Frick Vyper 700 Owner's manual

Form 100-210 IOM (JUL 2009)
INSTALLATION - OPERATION - MAINTENANCE
File: SERVICE MANUAL - Section 100
Replaces: S100-210 IOM (FEB 09)
Dist: 3, 3a, 3b, 3c
THIS MANUAL CONTAINS RIGGING, ASSEMBLY, START-UP, AND
MAINTENANCE INSTRUCTIONS. READ THOROUGHLY BEFORE
BEGINNING INSTALLATION. FAILURE TO FOLLOW THESE
INSTRUCTIONS MAY RESULT IN PERSONAL INJURY OR DEATH,
DAMAGE TO THE UNIT, OR IMPROPER OPERATION.
700 (60 Hz) / 572 (50 Hz) Horsepower
912 (60 Hz) / 752 (50 Hz) Horsepower
Please check www.johnsoncontrols.com for the latest version of this publication.

VYPER™VARIABLE SPEED DRIVE
INSTALLATION - OPERATION - MAINTENANCE
100-210 IOM (JUL 09)
Page 2
Table of conTenTs
PREFACE ....................................................................................4
INTRODUCTION .......................................................................... 4
JOB INSPECTION........................................................................ 4
TRANSIT DAMAGE CLAIMS ....................................................... 4
UNIT IDENTIFICATION ................................................................ 5
VYPER™MODEL NUMBERDEFINITIONS/NOMENCLATURE ... 5
MODEL DESCRIPTIONS............................................................. 6
572 HP Model Descriptions........................................................ 6
700 HP Model Descriptions........................................................ 6
752 HP Model Descriptions........................................................ 6
912 HP Model Descriptions........................................................ 6
Vyper Pre-Installation Site Check List .......................................... 7
Vyper Pre-Operation Site Check List............................................ 7
Pre-startup Inspection .................................................................. 8
VYPER™SYSTEM OVERVIEW...................................................9
VYPER™COMPONENT DESCRIPTION ..................................... 9
HARMONIC FILTER ................................................................... 12
GENERAL OPERATION DESCRIPTION ................................... 16
ELECTRICAL LIMITS................................................................. 16
CURRENT LIMITS ..................................................................... 16
INPUT SHORT CIRCUIT LIMITS ............................................... 16
INSTALLATION .........................................................................17
RIGGING AND HANDLING........................................................ 17
PACKAGE MOUNTED UNITS.................................................. 17
REMOTE MOUNTED UNITS ................................................... 18
ENVIRONMENT ......................................................................... 19
VYPER™COOLING CONFIGURATION ..................................... 19
VYPER™COOLING LOOP......................................................... 19
COOLANT TEMPERATURE LIMITS .......................................... 20
GENERAL COOLING SYSTEM REQUIREMENTS ................... 20
WATER RECOMMENDATIONS ............................................... 20
GLYCOL RECOMMENDATIONS.............................................. 20
HEAT EXCHANGER PRESSURE DROP .................................. 21
POWER WIRING........................................................................ 23
GROUNDING ............................................................................. 23
FUSES AND CIRCUIT BREAKERS........................................... 23
ACCEPTABLE CABLE TYPES ................................................... 23
UNSHIELDED CABLE.............................................................. 23
SHIELDED CABLE................................................................... 23
CONTROL WIRING.................................................................... 24
ELECTRICAL WIRING CONDUIT.............................................. 24
TRANSFORMERS ..................................................................... 24
POWER FACTOR CAPACITORS ............................................... 24
SOFT-START SEQUENCE......................................................... 25
INTERFERENCE WITH ELECTRONICEQUIPMENT ................ 25
INTERFACING ELECTRICAL EQUIPMENT.............................. 25
SYSTEM OPERATING CONDITIONS ....................................... 25
PNEUMATIC CONTROLS.......................................................... 25
VYPER™PREINSTALLATION SITE CHECKLIST...................... 26
VYPER™POWER AND CONTROL ENTRY LOCATIONS ......... 26
EXTERNAL POWER AND CONTROL WIRING......................... 27
INPUT POWER CONNECTION............................................... 27
OUTPUT POWER CONNECTION (REMOTE MOUNT) ......... 28
OUTPUT POWER CONNECTION (PACKAGE MOUNT)......... 28
VYPER™WIRING AND WIRING DIAGRAMS ............................ 29
QUANTUM™LX COMMUNICATIONS WIRING......................... 29
MOTOR THERMAL PROTECTION OPTIONS......................... 31
VYPER™PREOPERATION SITE CHECKLIST.......................... 32
BLOWER MOTOR ROTATION ................................................... 33
COOLANT CONTAMINATION AND PROPERTIES ................... 33
ADDING AND REPLACING COOLANT..................................... 34
OPERATION..............................................................................36
QUANTUM™LX CONTROL PANEL ............................................ 36
VYPER™OPERATION ............................................................... 36
QUANTUM™LX PANEL SETUP.................................................. 37
ACCESSING THE VYPER™SETUP .......................................... 37
SETTING USER LEVEL........................................................... 38
CONFIGURING COMPRESSOR OPERATION ....................... 39
PROGRAMMING VYPER™ / QUANTUM™LX
COMMUNICATIONS ............................................................ 40
PROGRAMMING PID SETUP.................................................. 41
THE VYPER™AND HARMONIC FILTER SCREENS............... 42
VYPER SCREEN SETPOINTS................................................ 43
HARMONIC FILTER SCREEN ................................................. 44
PROGRAMMING THE MOTOR SCREEN................................ 45
High Motor Amp Limit Examples .......................................... 46
VFD Setpoints ...................................................................... 47
Capacity Control Setpoints................................................... 48
Suggested VFD and Capacity Control Settings.................... 49
Compressor Safeties Screen................................................ 51
Capacity Control Setpoints Screen ...................................... 53
VSD LOGIC BOARD SETUP ..................................................... 53
SETTING THE JOB FLA ............................................................ 54
MOTOR ROTATION .................................................................... 54
MAINTENANCE ........................................................................56
NORMAL MAINTENANCE OPERATIONS................................. 56
STANDARD MAINTENANCE ................................................... 56
REPLACEMENT OF THE VYPER™POWER MODULE............. 56
REPLACEMENT OF THE VYPER™HARMONIC FILTER POWER
MODULE ................................................................................ 57
FREQUENTLY ASKED QUESTIONS......................................... 58
VYPER™ALARMS / SHUTDOWNS........................................... 59
OVERVIEW .............................................................................. 59
FRICK VYPER™FAULT CODE LIST .......................................... 59
FAULT CODEFAULT CODE DESCRIPTIONS............................ 60
INDEX........................................................................................70

VYPER™VARIABLE SPEED DRIVE
INSTALLATION - OPERATION - MAINTENANCE
100-210 IOM (JUL 09)
Page 3
Figure 1 – Vyper™Data Plate ....................................................... 5
Figure 2A - Vyper™Elementary Wiring Diagram......................... 10
Figure 2B - Vyper™Elementary Wiring Diagram......................... 11
Figure 3 - VSD Input Current Without Harmonic Filter ............... 13
Figure 4 - VSD Input Current With Harmonic Filter .................... 13
Figure 5A - Harmonic Filter Elementary Wiring Diagram ........... 14
Figure 5B - Harmonic Filter Elementary Wiring Diagram ........... 15
Figure 6 - Vyper™Package Mounted on Frick RWF II 134 ......... 17
Figure 7 - Vyper™ Cabinet and Stand ......................................... 18
Figure 8 - Minimum Flow Rates - GLYCOL ................................ 20
Figure 9 - Minimum Flow Rates - WATER .................................. 21
Figure 10 - Pressure Drop vs. Flow Rate.................................... 21
Figure 11 - Vyper™P&I Diagram - Noneconomized ................... 22
Figure 12 - Vyper™P&I Diagram - Economized ......................... 22
Figure 13 - Ground Circuit.......................................................... 26
Figure 14 - Vyper™Cabinet Power and Control Entry Locations 26
Figure 15 - Vyper™Input Power Terminal Connection Lugs ....... 27
Figure 16 - Insulation Stripped from Power Leads ..................... 27
Figure 17 - Fastening Power Leads............................................ 27
Figure 18 - Ground Connection.................................................. 27
Figure 19 - Vyper™Output Power Terminal Connection Lugs .... 28
Figure 20 - Vyper™ Starter, Motor, Blower, and Quantum Wiring 29
Figure 21 - Quantum™LX Communications Terminal Block....... 29
Figure 22 - Analog Board Wiring ................................................ 30
Figure 23 - Temperature Control Valve Wiring ............................ 30
Figure 24 - Thermistor Motor Protection Wiring.......................... 31
Figure 25 - RTD Motor Protection Wiring ................................... 31
Figure 26 - Coolant Circulation System...................................... 34
Figure 27 - Removing the Cooling System Pipe Plug ................ 34
Figure 28 - Hose connected to the Heat Exchanger Drain ........ 34
Figure 29 - Draining Coolant ..................................................... 34
Figure 30 - Refilling the Cooling System .................................... 35
Figure 31 - VSD Logic Board Connection J2.............................. 35
Figure 32 - Topping Off the Coolant Supply................................ 35
Figure 33 - Installing the Cooling System Pipe Plug .................. 35
Figure 34 - VSD Logic Board Connection J2.............................. 35
Figure 35 - Quantum™LX Operating Status Screen.................... 37
Figure 36 - Quantum™LX Session Screen.................................. 38
lisT of figures
Figure 37 - Quantum™LX Operating Status Screen.................... 38
Figure 38 - Quantum™LX Compressor Configuration Screen..... 39
Figure 39 - Communications Screen.......................................... 40
Figure 40 - PID Setup Screen (Page 2)...................................... 41
Figure 41 - Operating Values Menu............................................ 42
Figure 42 - Pull-down for Vyper Screen...................................... 42
Figure 43 - Vyper™ Screen ........................................................ 43
Figure 44 - Harmonic Filter Screen ............................................ 44
Figure 45 - Low Motor Amps ...................................................... 45
Figure 46 - Motor Screen............................................................ 45
Figure 47 - High Motor Amps ..................................................... 46
Figure 48 - Ex.1 Motor Amps Safety Calculation Table .............. 46
Figure 49 - Ex. 1 Motor Amp Setpoint Calculations (Table A)..... 46
Figure 50 - Ex. 2 Motor Amps Safety Calculation Table.............. 46
Figure 51 - Ex.2 Motor Amp Setpoint Calculations (Table B) ..... 46
Figure 52 - Ex. 3 Motor Amps Safety Calculation Table.............. 47
Figure 53 - Ex. 3 Motor Amp Setpoint Calculations (Table A)..... 47
Figure 54 - Ex. 4 Motor Amps Safety Calculation Table.............. 47
Figure 55 - Ex. 4 Motor Amp Setpoint Calculations (Table A)..... 47
Figure 56 - Motor Screen VFD Setpoints.................................... 47
Figure 57 - Motor Screen Capacity Control Setpoints ................ 48
Figure 58 - Example 1 VFD and Capacity Control Setpoints...... 49
Figure 59 - 5:1 Turndown Suggested Control Strategy............... 50
Figure 60 - Example 2 VFD and Capacity Control Setpoints...... 50
Figure 61 - Compressor Safeties Screen ................................... 51
Figure 62 - 2:1 Turndown Suggested Control Strategy............... 52
Figure 63 - Example 2 VFD and Capacity Control Setpoints...... 52
Figure 64 - Capacity Control Setpoint Screen............................ 53
Figure 65 - Vyper Logic Board.................................................... 53
Figure 66 - Logic Board SW3 ..................................................... 53
Figure 67 - Vyper Logic Board.................................................... 54
Figure 68 - FLA Trim Pot............................................................. 54
Figure 69 - Job FLA on the Vyper Screen .................................. 54
Figure 70 - Control Logic Board ................................................. 55
Figure 71 - Filter Logic Board..................................................... 55
Figure 72 - Power Module Screw Tightening Sequence............. 57
Figure 73 - Logic Board Test Button ........................................... 58
lisT of Tables
Table 1 – Supply Voltage Requirements..................................... 16
Table 2 – Operating Voltage Limits ............................................. 16
Table 3 – Power Interruption Minimum Voltage Limits ................ 16
Table 4 – Unit Current Limits ...................................................... 16
Table 5 – Circuit Breaker Ratings and Lug Sizes ....................... 16
Table 6 – Ambient Temperature Operating Limits....................... 19
Table 7 – Vyper™ Cabinet Component Temperature Thresholds 19
Table 8 – Entering Coolant Temperature Limits.......................... 20
Table 9 – Digital Control Signal Wire Recommendations ........... 24
Table 10 – Recommended Transformer Sizes ............................ 24
Table 11 – Vyper™ Output Power Lead Torque Specifications .... 28
Table 12 – Comm1 Setpoints ..................................................... 40
Table 13 – PID Channel #5 Setpoints......................................... 41
Table 14 – Binary Parameter Indicator Status ............................ 43
Table 15 – Applied Motor FLA Calculation ................................. 45
Table 16 – High Motor Amps Safety Calculation Table ............... 45
Table 17 – High Motor Amp Setpoint Calculations (Table A) ...... 46
Table 18 – High Motor Amp Setpoint Calculations (Table B) ...... 46
Table 19 – Limit Calculations...................................................... 54
Table 20 – Fault Code List .......................................................... 59

VYPER™VARIABLE SPEED DRIVE
INSTALLATION - OPERATION - MAINTENANCE
100-210 IOM (JUL 09)
Page 4
iMPorTanT!
reaD before ProceeDing!
safeTY PrecauTion DefiniTions
The symbols below are used in this document to alert the operating/service personnel to an area of potential hazard or to note
something of importance. The danger, warning, and caution text identifies the hazard type, location, and avoidance.
PREFACE
INTRODUCTION
This manual has been prepared to acquaint the owner and
service personnel with the INSTALLATION, OPERATION,
and MAINTENANCE procedures as recommended by
Johnson Controls-Frick for the Frick Vyper™Variable Speed
Drive unit.
For information about the functions of the Quantum™LX
Control panel, communications, specifications, and wiring
diagrams, please see the applicable and most current Frick
documentation.
It is most important that these units be properly applied to
an adequately controlled refrigeration system. Consult an
authorized Frick representative for expert guidance in this
determination.
Proper performance and continued satisfaction with the Frick
Vyper™is dependent upon the following:
• Correctunitinstallation
• Correct utilization and operation of the unit in
accordance with the procedures detailed in Frick
manuals.
• Regularandproperunitmaintenance.
To ensure correct installation and application, the equipment
must be properly selected and connected to a properly de-
signed and installed system. The engineering plans, piping
layouts, etc. must be detailed in accordance with the best
practices and local codes, such as those outlined in ASHRAE
literature.
The Frick Vyper™is a sophisticated piece of electronic con-
trol equipment. All safety precautions consistent with opera-
tion of high current and voltage electrical equipment should
be strictly enforced.
JOB INSPECTION
Immediately upon arrival of the unit, examine all crates,
boxes, and exposed compressor and component surfaces
for damage. Unpack all items and check against shipping
lists for any possible shortage. Examine all items for damage
from unit transit.
TRANSIT DAMAGE CLAIMS
All claims must be made by consignee. This is an ICC re-
quirement. Request immediate inspection by the agent of the
carrier and be sure the proper claim forms are executed.
Contact the Sales Administration Department in Waynesboro,
PA to report damage or shortage claims. NOTE: Damage
must be photographically documented.
Indicates an imminently hazardous situation which, if not avoided, will result in death or serious
injury.
Indicates a potentially hazardous situation or practice which, if not avoided, will result in death
or serious injury.
Indicates a potentially hazardous situation or practice which, if not avoided, will result in dam-
age to equipment and/or minor injury.
NOTE: Indicates an operating procedure, practice, etc., or portion thereof which is essential to highlight.

VYPER™VARIABLE SPEED DRIVE
INSTALLATION - OPERATION - MAINTENANCE
100-210 IOM (JUL 09)
Page 5
UNIT IDENTIFICATION
Shock Hazard! Wait five (5) minutes
after switching power to theVyper™
OFF to allow capacitors in the
cabinet to discharge before opening the cabinet door.
Failure to do so will result in death or serious injury.
Each Vyper™has a unit identification label located on the
right side of the cabinet. The data plate contains the Frick
Part Number, the unique Serial Number, and the basic
Model Number for the unit. In addition, the data label also
has electrical information pertinent to the individual unit.
NOTE: When inquiring about the Vyper™or ordering
spare parts, please provide the MODEL Number and
SERIAL Number from the data plate.
Figure 1 – Vyper™Data Plate
FRICK VYPER™MODEL NUMBER
DEFINITIONS/NOMENCLATURE
VYE_RHFL_46
Input Voltage - 46 (460V)
- 50 (400V)
Oil Pump - Large HP (L)
- Small HP (S)
IEEE 519 Filter - Installed (F)
- No Filter
(Blank)
Cooling Method - Water (H)
- Liquid (G)
Mounting - Package (P)
- Remote (R)
Drive Type - VYE 700 HP
- VYF 572 HP
- VYG 912 HP
- VYH 752 HP

VYPER™VARIABLE SPEED DRIVE
INSTALLATION - OPERATION - MAINTENANCE
100-210 IOM (JUL 09)
Page 6
MODEL DESCRIPTIONS
These tables provide the model number, Frick part number and basic description of each Vyper™ Drive covered in this manual.
Model No. Frick P/N Description
VYE_PH_S-46 720C0168G01 700 HP, Water Cooled, 460 Volts, Package Mount, 3 HP Oil Pump
VYE_PH_M-46 720C0168G02 700 HP, Water Cooled, 460 Volts, Package Mount, 5 HP Oil Pump
VYE_PH_L-46 720C0168G03 700 HP, Water Cooled, 460 Volts, Package Mount, 7.5 HP Oil Pump
VYE_PHFS-46 720C0168G04 700 HP, Water Cooled, w/ Filter, 460 Volts, Package Mount, 3 HP Oil Pump
VYE_PHFM-46 720C0168G05 700 HP, Water Cooled, w/ Filter, 460 Volts, Package Mount, 5 HP Oil Pump
VYE_PHFL-46 720C0168G06 700 HP, Water Cooled, w/ Filter, 460 Volts, Package Mount, 7.5 HP Oil Pump
VYE_RH_S-46 720C0168G07 700 HP, Water Cooled, 460 Volts, Remote Mount, 3 HP Oil Pump
VYE_RH_M-46 720C0168G08 700 HP, Water Cooled, 460 Volts, Remote Mount, 5 HP Oil Pump
VYE_RH_L-46 720C0168G09 700 HP, Water Cooled, 460 Volts, Remote Mount, 7.5 HP Oil Pump
VYE_RHFS-46 720C0168G10 700 HP, Water Cooled, w/ Filter, 460 Volts, Remote Mount, 3 HP Oil Pump
VYE_RHFM-46 720C0168G11 700 HP, Water Cooled, w/ Filter, 460 Volts, Remote Mount, 5 HP Oil Pump
VYE_RHFL-46 720C0168G12 700 HP, Water Cooled, w/ Filter, 460 Volts, Remote Mount, 7.5 HP Oil Pump
VYF_PH_S-50 720C0168G13 572 HP, Water Cooled, 400 Volts, Package Mount, 3 HP Oil Pump
VYF_PH_M-50 720C0168G14 572 HP, Water Cooled, 400 Volts, Package Mount, 5 HP Oil Pump
VYF_PH_L-50 720C0168G15 572 HP, Water Cooled, 400 Volts, Package Mount, 7.5 HP Oil Pump
VYF_PHFS-50 720C0168G16 572 HP, Water Cooled, w/ Filter, 400 Volts, Package Mount, 3 HP Oil Pump
VYF_PHFM-50 720C0168G17 572 HP, Water Cooled, w/ Filter, 400 Volts, Package Mount, 5 HP Oil Pump
VYF_PHFL-50 720C0168G18 572 HP, Water Cooled, w/ Filter, 400 Volts, Package Mount, 7.5 HP Oil Pump
VYF_RH_S-50 720C0168G19 572 HP, Water Cooled, 400 Volts, Remote Mount, 3 HP Oil Pump
VYF_RH_M-50 720C0168G20 572 HP, Water Cooled, 400 Volts, Remote Mount, 5 HP Oil Pump
VYF_RH_L-50 720C0168G21 572 HP, Water Cooled, 400 Volts, Remote Mount, 7.5 HP Oil Pump
VYF_RHFS-50 720C0168G22 572 HP, Water Cooled, w/ Filter, 400 Volts, Remote Mount, 3 HP Oil Pump
VYF_RHFM-50 720C0168G23 572 HP, Water Cooled, w/ Filter, 400 Volts, Remote Mount, 5 HP Oil Pump
VYF_RHFL-50 720C0168G24 572 HP, Water Cooled, w/ Filter, 400 Volts, Remote Mount, 7.5 HP Oil Pump
Model No. Frick P/N Description
VYG_PH_M-46 720C0169G01 912 HP, Water Cooled, 460 Volts, Package Mount, 5 HP Oil Pump
VYG_PH_L-46 720C0169G02 912 HP, Water Cooled, 460 Volts, Package Mount, 7.5 HP Oil Pump
VYG_PHFM-46 720C0169G03 912 HP, Water Cooled, w/ Filter, 460 Volts, Package Mount, 5 HP Oil Pump
VYG_PHFL-46 720C0169G04 912 HP, Water Cooled, w/ Filter, 460 Volts, Package Mount, 7.5 HP Oil Pump
VYG_RH_M-46 720C0169G05 912 HP, Water Cooled, 460 Volts, Remote Mount, 5 HP Oil Pump
VYG_RH_L-46 720C0169G06 912 HP, Water Cooled, 460 Volts, Remote Mount, 7.5 HP Oil Pump
VYG_RHFM-46 720C0169G07 912 HP, Water Cooled, w/ Filter, 460 Volts, Remote Mount, 5 HP Oil Pump
VYG_RHFL-46 720C0169G08 912 HP, Water Cooled, w/ Filter, 460 Volts, Remote Mount, 7.5 HP Oil Pump
VYH_PH_M-50 720C0169G09 752 HP, Water Cooled, 400 Volts, Package Mount, 5 HP Oil Pump
VYH_PH_L-50 720C0169G10 752 HP, Water Cooled, 400 Volts, Package Mount, 7.5 HP Oil Pump
VYH_PHFM-50 720C0169G11 752 HP, Water Cooled, w/ Filter, 400 Volts, Package Mount, 5 HP Oil Pump
VYH_PHFL-50 720C0169G12 752 HP, Water Cooled, w/ Filter, 400 Volts, Package Mount, 7.5 HP Oil Pump
VYH_RH_M-50 720C0169G13 752 HP, Water Cooled, 400 Volts, Remote Mount, 5 HP Oil Pump
VYH_RH_L-50 720C0169G14 752 HP, Water Cooled, 400 Volts, Remote Mount, 7.5 HP Oil Pump
VYH_RHFM-50 720C0169G15 752 HP, Water Cooled, w/ Filter, 400 Volts, Remote Mount, 5 HP Oil Pump
VYH_RHFL-50 720C0169G16 752 HP, Water Cooled, w/ Filter, 400 Volts, Remote Mount, 7.5 HP Oil Pump

VYPER™VARIABLE SPEED DRIVE
INSTALLATION - OPERATION - MAINTENANCE
100-210 IOM (JUL 09)
Page 7
Read This First
Vyper Pre-Installation and Pre-Operation Checklist
The following items MUST be checked and completed by the installer prior to the arrival of the Frick Field Service Supervisor.
Details on the checklist can be found in the I.O.M. Certain items on this checklist will be re-verified by the Frick Field Service
Supervisor prior to the actual start-up.
Vyper Pre-Installation Site Check List
Before attempting to install a Vyper Drive system, please perform a site inspection to assure that the following requirements
are met. (Where Applicable)
-- Verify that the coolant (water or glycol) is available for the Vyper heat exchanger connections. Hard-pipe the coolant sup-
ply in accordance to all local and national piping codes. Sufficient coolant flow and temperature levels must be available to
the Vyper VSD at installation. When hard-piping the coolant supply, take into consideration that room is required in order to
add coolant to the system.
-- Verify that the compressor package temperature sensors are RFI suppression type (639A0151G01).
-- Incoming power cables must enter through the access plate supplied on the top left side of the unit. This access plate
MUST BE removed, entry holes made in the plate, and then reinstalled. Power cables MUST BE in accordance with local
and national electrical codes and current safety standards. See the Power Wiring section of the S100-200 or S100-210
IOM.
-- Verify that the power cable lengths from the Vyper to the compressor motor do not exceed 50 feet (15 meters) and the
location of the Vyper is suitable for mounting.
-- Verify that the motor is suitable for Inverter duty service: 20-100% Speed (12-60 hZ) or 50-100% (30-60 hZ) The motor
must have thermal protection per NEC 2005. (RTD, Thermostat, Thermistor).
-- Verify that the ambient temperature remains within the recommended operating range of 40-135°F (4-57°C). If the drive is
to operate below 40°F (4°C), provide enclosure ambient space heating.
-- Verify that all wiring is contained in metallic conduit. Use of PVC or other materials is not acceptable UNLESS shielded UL
rated power cable is used. Follow recommendations in this manual and Frick publication S90-400 SB.
-- Verify that all control power (120 VAC), communications / analog wiring, and 460 VAC power are in separate metallic con-
duits. Properly shielded and grounded analog cables are not required to be in EMT.
Vyper Pre-Operation Site Check List
Prior to Quantum™LX setup and starting operation of the Vyper Drive system, review the following checklist to ensure all instal-
lation requirements are met. (Where Applicable)
-- Environmental:
A: Cleanliness – Keep panel doors closed and ensure that construction debris is kept out of the cabinet.
B: Use the conduit knockouts provided. Avoid metal shavings in the drive enclosure.
C: Clean out all debris with a low power magnet or a vacuum cleaner.
-- Mounting: Verify that the Vyper Drive is properly mounted: to the floor or wall for remote mounts or to the package for
package mounted units.
-- Verify that the primary water or glycol coolant supply is connected to the heat exchanger at the recommended flow and
temperature recommendations.
-- Wiring (use Frick publicaton S90-400 SB as a guideline):
A: Wiring from the drive to the motor must be enclosed in a grounded metal conduit even if poured in a concrete floor.
Use of PVC or other materials is not acceptable UNLESS shielded UL rated power cable is used.
B: Separate grounded metal conduits must be provided for input power, output power, and control wiring. Failure to provide
separate conduits could result in disruption of other electrical devices due to harmonics and RFI / EMI generated in the
drive.
C: Bond all conduit to the cabinet.
D: Protect control wires (analog and digital) from noise. Use properly shielded and grounded analog control wires. Digital
and analog control wiring must be separate from each other as well as separate from 3 phase control and power wiring.
Noisy input signals will cause erratic drive operation.
E: Verify control wiring has been connected from the Quantum™LX panel to the Vyper in accordance with the engineering
drawings for the specific installation.
F: Verify power wiring has been connected at the correct connection points and properly seated in accordance with the
provided engineering drawings for the specific installation.
-- Drain the shipping coolant from the Vyper and properly dispose. Replace with running coolant (pink) and purge air from
the cooling system. Refer to the “Adding and Replacing Coolant” portion of the S100-200 or S100-210 IOM.

VYPER™VARIABLE SPEED DRIVE
INSTALLATION - OPERATION - MAINTENANCE
100-210 IOM (JUL 09)
Page 8
-- Apply power to the Vyper Drive system.
A: Confirm dipswitches on the Vyper Logic Board are properly set. Refer to the “VSD Logic Board Setup” section of the
S100-200 or S100-210 IOM.
B: Verify no problems exist with the unit power supply connections.
C: Verify no problems exist with the boot-up of the Quantum™LX panel and control system.
D: Set the FLA ratings on the Vyper Logic Board as per job site requirements.
E: Set up the Quantum™LX panel in accordance with job site requirements. Refer to Refer to Quantum™LX Panel Setup in
the Operation portion of the S100-200 or S100-210 IOM.
F: Confirm operation of internal cooling fans.
G: Confirm operation of the coolant pump.
H: Confirm operation of the Vyper motorized coolant temperature control mixing valve.
I: Confirm wiring, operation, and correct rotation of motor blower fans if present.
Pre-startup Inspection
After installation is complete, use the following as guide
to checks items D – I, under in the Applying power to the
Vyper™Drive system section, in the preceding Vyper™Pre-
Operation Site Checklist. Any changes to factory setpoints,
needs to be approved by Frick®. Failure to obtain approval
may void warranty. Read all steps thoroughly and contact
the factory with any questions before proceeding.
1. With power off - In the drive, remove wire 624 (com-
pressor run) on the drive side of control wiring terminal
strip.
2. Remove wire 675 (oil pump run) if the unit is equipped
with an oil pump.
3. Close the drive, turn on the disconnect using the oper-
ating handle on the door.
4. Once the Quantum™LX panel has booted go to the level
2 operating session.
5. Confirm communications between the Vyper™drive
and the Quantum™LX by going to the Vyper™screen.
If there are base-plate temperature readings that are
approximate to ambient and a value is displayed for the
JOB FLA communications is confirmed. Compare the
Job FLA value to the panel test report Special Instruc-
tions section to ensure they match. If the JOB FLA is not
listed on the panel test report, use the JOB FLA tables
in this manual to calculate.
6. Go to the motor setpoints screen to check the motor
amps safeties, relative to the motor and drive combina-
tion. If these values are not correct use the tables in this
manual to calculate what they should be.
7. Verify proper operation of the motorized coolant mixing
valve on the back of the drive.
 • LocatetheCoolantmixingvalveonthebackofthe
drive, remove the cover from the motor and check
that the dip-switches are set as 1 ON, 2 OFF, 3 ON
& 4 OFF. If a change needs to be made, the power
must be cycled at the panel for the change to be in
effect.
 • GotoPage2ofPIDsetpoints,fortheVyperCoolant
PID. Ensure the setup is per the setup in this manual.
If it is, set the Control as Always and the Direction
as Reverse. Check the indicator disc or arrow on the
shaft between the valve and the actuator motor that
it is operating. Once it has moved to one end of the
stroke, change the Direction back to Forward. This
should move the Indicator Disc or Arrow back to the
other end of the stroke.
 • SettheControlbacktoRunningandsubmit.
8. Using a screw driver at the operating handle on the
door, open the drive leaving the power on, so that the
ride side panel can be opened providing access to the
logic board.
9. Re-secure the left side panel.
10. If the Job FLA setting is not correct this can now be set
using the Job FLA pot on the control logic board. Moni-
tor the value on the Vyper screen of the Quantum™LX to
determine when the value is properly set.
11. Test the internal fan and coolant circulation pump op-
eration by removing the P2 plug from the J2 connector
on the control logic board. Removing this plug will start
these devices.You will hear the fans run. The circulation
in the coolant loop should be seen through the clear
hose, proving the circulation pumps operation. Recon-
nect the P2 plug to the J2 connector to turn off these
devices. Doing this test will create a Low Inverter Base-
Plate Temperature shutdown on the Quantum™LX that
will need to be cleared.
12. Close the drive completely and with power still on, do a
simulated run of the compressor by pressing the manu-
al start button on the Quantum™LX. This should engage
the blower motors on the compressor drive motor to
verify proper rotation and operation of the blower mo-
tors. Rotational arrows on the fan housing shows proper
rotation, correct if necessary by changing any two wires
at the blower motor connection box with power locked
out.
13. Turn power off with the operating handle on the door of
the drive. Open the drive and check to ensure the panel
is de-energized. Carefully replace wires 624 and 675.
Tighten to 12 lb. In.

VYPER™VARIABLE SPEED DRIVE
INSTALLATION - OPERATION - MAINTENANCE
100-210 IOM (JUL 09)
Page 9
VYPER™SYSTEM OVERVIEW
VYPER™COMPONENT DESCRIPTION
The Frick Vyper™Variable Speed Drive is a liquid-cooled,
transistorized, PWM inverter in a highly integrated package.
This unit is factory designed to mount either remotely on a
stand or integrally to the compressor package. The power
section of the drive is composed of four major blocks:
• ACtoDCrectiersectionwithintegratedprechargecircuit
• DClinkltersection
• Three-phaseDCtoACinvertersection
• Outputsuppressionnetwork
An electronic circuit breaker with ground fault sensing con-
nects the AC line to an AC line choke and then to the DC
converter.The line choke will limit the amount of fault current
so that the electronic circuit breaker is sufficient for protecting
the Vyper™input fuses. See the elementary wiring diagram in
Figures 2A and 2B for wiring and component references.
The AC to DC Rectifier utilizes a semi-converter formed by
the connection of three SCR/diode modules (1SCR-3SCR)
in a three phase bridge configuration (See Figure 2). The
modules are mounted on a liquid cooled heatsink. Use of
the semiconverter configuration permits implementation of
a separate precharge circuit to limit the flow of current into
the DC link filter capacitors when the drive is switched on
and it also provides a fast disconnect from the power mains
when the drive is switched off. When the drive is turned off,
the SCRs in the semiconverter remain in a nonconducting
mode and the DC link filter capacitors remain uncharged.
When the drive is commanded to run, a set of precharge
resistors (1RES, 2RES) are switched into the circuit by con-
tactor 1M.The DC link filter capacitors are slowly charged via
the precharge resistors and the diodes of the semiconverter
for a fixed time period of fifteen (15) seconds.After the fifteen-
second time period has expired, the SCR’s are gated fully
on and the contactor 1M is dropped out.
A “free-wheeling” diode (1CR) is included to reduce the surge
current which must be conducted through the semiconverter
if a serious fault occurs across the DC link. Three (3) power
fuses (1FU - 3FU) and an electronic circuit breaker (1SW)
with ground fault sensing connects the AC to DC converter
to the power mains. The drive utilizes very fast semicon-
ductor power fuses to ensure that the SCR/diode module
packages do not rupture if a catastrophic failure occurs on
the DC link. The SCR Trigger board (031-01472) provides
the gating pulses for the SCR’s as commanded by the VSD
Logic board (031-02506).
The DC Link Filter section of the drive consists of two basic
components, a DC Link “smoothing” inductor or pair of induc-
tors (1L, 2L) and a series of electrolytic filter capacitors (C1-
C36). This inductor / capacitor combination forms a low-pass
L-C filter which effectively smooths the ripple voltage from
the AC to DC rectifier while simultaneously providing a large
energy reservoir for use by the DC to AC inverter section of
the drive. In order to achieve a suitable voltage capability
for the capacitor portion of the filter; filter capacitor “banks”
are formed by connecting two capacitors in series to form
a “pair”, and then paralleling a suitable number of “pairs” to
form a capacitor “bank”. In order to assure an equal sharing
of the voltage between the series connected capacitors and
to provide a discharge means for the capacitor bank when
the VSD is powered off, “bleeder” resistors (3RES and 4RES)
are connected across the capacitor banks.
The DC to AC Inverter section of the VSD (See Fig. 2),
serves to convert the rectified and filtered DC back to AC
at the magnitude and frequency commanded by the VSD
Logic board. The inverter section is actually composed of
three identical inverter output phase assemblies. These as-
semblies are in turn composed of a series of Insulated Gate
Bipolar Transistor (IGBT) modules (Q1-Q4) mounted to a
liquid cooled heatsink, a filter capacitor “bank” (C13-C20)
and a VSD Gate Driver board (031-01681) which provides
the On and Off gating pulses to the IGBT’s as determined
by the VSD Logic board.
In order to minimize the parasitic inductance between the
IGBT’s and the capacitor banks, copper plates which electri-
cally connect the capacitors to one another and to the IGBT’s
are connected together using a “laminated bus” structure.
This “laminated bus” structure is a actually composed of
a pair of copper bus plates with a thin sheet of insulating
material acting as the separator/insulator. The “laminated
bus” structure forms a parasitic capacitor which acts as a
small valued capacitor, effectively canceling the parasitic
inductance of the busbars themselves. To further cancel the
parasitic inductances, a series of small film capacitors (C43-
C51) are connected between the positive and negative plates
of the DC link. An IGBT driver “shield board” (031-01627),
mounted just beneath the VSD Gate Driver board, provides
electrical shielding for the Gate Driver board.
The VSD Output Suppression Network is composed of a
series of capacitors (C61-C66) and resistors (5RES-10RES)
connected in a three phase delta configuration. The param-
eters of the suppression network components are chosen
to work in unison with the parasitic inductance of the DC to
AC inverter sections in order to simultaneously limit both the
rate of change of voltage and the peak voltage applied to
the motor windings. Limiting the peak voltage to the motor
windings, as well as the rate-of-change of motor voltage avoid
problems commonly associated with PWM motor drives,
such as stator-winding end-turn failures and electrical fluting
of motor bearings.
Various ancillary sensors and boards are used to convey
information back to the VSD Logic board. The following list
describes some of these components.
• Eachliquid-cooledheatsinkwithintheDCtoACinverter
section contains a thermistor heatsink temperature sensor
(RT1 - RT3) to provide temperature information to the VSD
logic board.
• TheACtoDCsemiconverterheatsinktemperaturemoni-
tored using a thermistor temperature sensor (RT4).
• Thebus isolator board (031-01624) utilizes three resistors
on the board to provide a “safe” impedance between the
DC link filter capacitors located on the output phase bank
assemblies and the VSD logic board. The bus isolator
board provides the means to sense the positive, midpoint,
and negative connection points of the VSD’s DC link.
• ACurrentTransformer(3T-5T)isincludedoneachoutput
phase assembly to provide motor current information to
the VSD logic board.

VYPER™VARIABLE SPEED DRIVE
INSTALLATION - OPERATION - MAINTENANCE
100-210 IOM (JUL 09)
Page 10
Figure 2A - Vyper™Elementary Wiring Diagram
NOTE: Drawings for specific units can be found in the door of
the VyperTM Drive or check with Frick Engineering department.

VYPER™VARIABLE SPEED DRIVE
INSTALLATION - OPERATION - MAINTENANCE
100-210 IOM (JUL 09)
Page 11
Figure 2B - Vyper™Elementary Wiring Diagram
NOTE: Drawings for specific units can be found in the door of the
VyperTM Drive or check with Frick Engineering department.

VYPER™VARIABLE SPEED DRIVE
INSTALLATION - OPERATION - MAINTENANCE
100-210 IOM (JUL 09)
Page 12
HARMONIC FILTER
The VSD system may include an harmonic filter designed to
meet the IEEE Std 519 -1992,“IEEE Recommended Practices
and Requirements for Harmonic Control in Electrical Power
Systems”.The filter is offered as a means to“clean up”the input
current waveform drawn by the VSD from the power mains,
thus reducing the possibility of causing electrical interference
with other sensitive electronic equipment connected to the
same power source.
Figure 3 is a plot of the typical input current waveform for the
VSD system without the harmonic filter when the system is
operating at 50% load. Figure 4 is a plot of the typical input
current waveform for the VSD system with the harmonic filter
installed when operating at the same load conditions. The
plots show that the input current waveform is converted from
a square wave to a fairly clean sinusoidal waveform when the
filter is installed. In addition, the power factor of the system
with the harmonic filter installed corrects the system power
factor to nearly unity.
The power section of the Harmonic Filter is composed of four
major blocks: a precharge section, a “trap” filter network, a
three phase inductor and an IGBT Phase Bank Assembly.
See the elementary wiring diagram in Figures 5A and 5B for
wiring and component reference
The Precharge Section is formed by three resistors (11RES
- 13RES) and two contactors, the precharge contactor (2M),
and the supply contactor (3M).The precharge network serves
two purposes, to slowly charge the DC link filter capacitors
associated with the filter Phase Bank Assembly (via the
diodes within the IGBT modules Q13-Q18) and to provide
a means of disconnecting the filter power components from
the power mains. When the drive is turned off, both contac-
tors are dropped out and the filter phase bank assembly is
disconnected from the mains.
When the drive is commanded to run, the precharge resistors
are switched into the circuit via contactor 2M for a fixed time
period of five (5) seconds. This permits the filter capacitors
in the phase bank assembly to slowly charge. After the five-
second time period, the supply contactor is pulled in and the
precharge contactor is dropped out, permitting the filter phase
bank assembly to completely charge to the peak of the input
power mains. Three power fuses (11FU -13FU) connect the
filter power components to the power mains. Very fast semi-
conductor power fuses are utilized to ensure that the IGBT
modules do not rupture if a catastrophic failure occurs on the
DC link of the filter phase bank assembly.
The“Trap”Filter is composed of a series of capacitors (C84-
C92), inductors (4L-6L) and resistors (16RES-18RES). The
“trap” filter acts as a low impedance for a range of frequencies
centered at the PWM switching frequency of the filter (20 kHz).
The purpose of the trap is to block currents at the switching
frequency of the filter from getting onto the power mains.
The Three-Phase Inductor provides some impedance for
the filter to “work against”. The inductor effectively limits the
rate of change of current at the input to the filter to a reason-
able level.
The IGBT Phase Bank Assembly is the most complicated
power component in the harmonic filter. The purpose of the
assembly is to generate harmonic currents required by the
drive’s AC to DC converter so that these harmonic currents are
not drawn from the power mains.The phase bank is composed
of a series of IGBT modules (Q13-Q18) mounted to a liquid-
cooled heatsink, a filter capacitor “bank” (C67-C76) and an
IEEE 519 Filter Gate Driver board (031-01786) which provides
the On and Off gating pulses to the IGBT’s as determined by
the 519 Filter Logic board. In order to assure an equal shar-
ing of the voltage between the series connected capacitors
on the filter bank, “bleeder” resistors 14RES and 15RES
are connected across the banks. In order to counteract the
parasitic inductances in the mechanical structure of the phase
bank, the filter incorporates “laminated bus” technology and
a series of small film capacitors (C77-C83). The technology
used is identical to that used in the VSD’s DC to AC inverter
section of the drive.
Various ancillary sensors and circuit boards are used to convey
information back to the harmonic filter logic board.The follow-
ing list describes some of these components.
• Athermistor temperature sensor, RT5, is mounted onto the
liquid-cooled heatsink to provide temperature information.
• CurrentTransformers6Tand7Tsensetheinputcurrent
drawn by the VSD’s AC to DC converter.
• DCCurrentTransformers(DCCT1andDCCT2)sensethe
current generated by the harmonic filter.
• TheLineVoltageIsolationBoard(031-02022)sensesthe
input voltage to the system, steps the voltage down to a safe
level and provides isolation between the Filter Logic board
and the power mains.
• The Bus Isolation Board (031-01624) incorporates three
resistors to provide a “safe” impedance between the DC filter
capacitors located on the phase bank assembly and the filter
logic board. The bus isolation board provides the means to
sense the positive, midpoint, and negative connection points
of the filter’s DC link.

VYPER™VARIABLE SPEED DRIVE
INSTALLATION - OPERATION - MAINTENANCE
100-210 IOM (JUL 09)
Page 13
Figure 3 - VSD Input Current Without Harmonic Filter
Figure 4 - VSD Input Current With Harmonic Filter

VYPER™VARIABLE SPEED DRIVE
INSTALLATION - OPERATION - MAINTENANCE
100-210 IOM (JUL 09)
Page 14
Figure 5A - Harmonic Filter Elementary Wiring Diagram
NOTE: Drawings for specific units can be
found in the door of the VyperTM Drive or
check with Frick Engineering department.

VYPER™VARIABLE SPEED DRIVE
INSTALLATION - OPERATION - MAINTENANCE
100-210 IOM (JUL 09)
Page 15
Figure 5B - Harmonic Filter Elementary Wiring Diagram
NOTE: Drawings for specific units can be
found in the door of the VyperTM Drive or
check with Frick Engineering department.

VYPER™VARIABLE SPEED DRIVE
INSTALLATION - OPERATION - MAINTENANCE
100-210 IOM (JUL 09)
Page 16
CURRENT LIMITS
The drive is capable of outputting the rated full load current
over the operating frequency range of the drive. The unit is
started with the compressor fully unloaded until the frequency
reaches the minimum operating frequency range. In addition,
the drive is capable of operating without a load for ease of
service. Refer to Table 4 for current limits.
The following information is also helpful in the operation of
the unit:
• Overload:105%offullloadratingforseven(7)seconds.
• Efciency:98%Typicalatratedloadandfrequency.
INPUT SHORT CIRCUIT LIMITS
Vyper™drives are suitable for use on circuits capable of
delivering up to 100,000 RMS symmetrical amperes and a
maximum of 480 VAC.
The Vyper™can be affected by specific events that can de-
crease product life and cause component damage related to
the input power conditioning. These events include:
• Thepowersourceexperiencesinterruptions.
• The power system has power factor correction
capacitors switched in and out of the system by either
the power supplier or the end user.
• Thepowersourcecontainsvoltagespikeswhichcould
be caused by equipment on the same line or natural
phenomena such as electrical storms.
If one or more of these conditions exist, Frick recommends
that the end user install minimum impedance between the
Vyper™and the power source. A transformer or other similar
device can supply the impedance.
A 100% rated input power circuit breaker with ground fault
protection and external lockable operator is supplied as
standard. The circuit breaker is sized in accordance with the
National Electrical Code or UL requirements. Refer to Table
5 for circuit breaker ratings and lug sizes.
Horsepower Circuit Breaker
Rating (Amps)
Circuit Breaker
Lug Sizes
700/572 1000 3/0 to 500 KCMIL
912/752 1200 3/0 to 500 KCMIL
Table 5 – Circuit Breaker Ratings and Lug Sizes
The maximum per phase Total Harmonic Distortion (THD)
of the input current shall not exceed 30% at 100% rated
power. The Frick®Vyper™drive typically produces between
20-30% THD.
An IEEE 519 Harmonic Filter is required if the THD of the input
current at the installation cannot exceed 8%. The IEEE 519
Harmonic Filter is highly recommended for crucial applications
such as hospitals, computer networks, airports, etc.
GENERAL OPERATION DESCRIPTION
The Vyper™serves as the motor starter and capacity control
for a Frick screw compressor.TheVyper™controls capacity by
reducing compressor speed and optimizing the compressor
efficiency at all loads.
The Vyper™varies the screw compressor speed by control-
ling the frequency and voltage of electrical power supplied
to the compressor motor. Unlike general purpose variable
speed drive units, the Vyper™is factory calibrated for maxi-
mum performance with Frick screw compressors. Because
of the specific application to commercial building systems,
the Vyper™has been designed to be electronically compat-
ible with other electronic equipment that typically operates
in the same facility.
The Vyper™can be cooled by two coolants: water or glycol.
Both coolants can be used with either package mounted or
remotely mounted Vyper™units. Power wiring and some pip-
ing between the facility and Vyper™must be field supplied.
ELECTRICAL LIMITS
Supply voltage to the Vyper™must be 440/460/480V @ 60
Hz or 380V @ 50 Hz. If a building has higher or lower sup-
ply voltage, consider a step-up or step-down transformer.
Refer to Table 1.
Extreme operating voltage ranges from a minimum of 414
VAC to a maximum of 508 VAC, 3-phase, 60 Hz, or 342 to
423 VAC, 50 Hz. The maximum allowable voltage imbal-
ance is 3%. Size the main transformer so voltage does not
sag more than 5% when subjected to load excursions. The
steady-state operating voltage should be within the range of
414 to 508 VAC, 3 phase, 60 Hz, or 342 to 423 VAC, 3 phase,
50 Hz. Refer to Table 2.
Unit controls may shut down with power interruptions up to
one cycle. Interruptions greater than one cycle will result in
a shutdown. A voltage dip below 391V, 60 Hz or 340V, 50 Hz
constitutes a power interruption. Refer to Table 3.
Frequency Supply Voltages VAC
60 Hz 440/460/480
50 Hz 380
Table 1 – Supply Voltage Requirements
Frequency Operating Voltage Limits Phase
Min Max
60 Hz 414 508 3
50 Hz 342 423 3
Table 2 – Operating Voltage Limits
Frequency Minimum Voltage Limits VAC
60 Hz 391
50 Hz 340
Table 3 – Power Interruption Minimum Voltage Limits
HP Freq Voltage RMS current LRA max
912 HP 60 Hz 460V 1180A 7014A
752 HP 50 Hz 400V 1180A 8205A
700 HP 60 Hz 460V 880A 5777A
572 HP 50 Hz 400V 880A 5780A
Table 4 – Unit Current Limits

VYPER™VARIABLE SPEED DRIVE
INSTALLATION
100-210 IOM (JUL 09)
Page 17
Installation
RIGGING AND HANDLING
Each Vyper™Variable Speed Drive unit is shipped mounted
on a wooden skid or mounted to the refrigeration package. All
shipping materials must be removed prior to unit installation.
The Vyper™cabinet unit is best moved via lifting lugs on the
top sides of the cabinet. Caution must be used to not damage
the pump or peripheral equipment on the rear of the cabinet.
Never move the unit by pushing against the Vyper™cabinet
with a forklift or other machinery.
UNIT (WITH FILTER) WEIGHTS (lb)
MODEL UNIT UNIT AS SHIPPED
700/572 1,890 2,319
912/752 2,026 2,455
VYPER™MOUNTING CONFIGURATIONS
NOTE: When mounting the Vyper™ unit, allow space for
servicing both sides of the unit cabinet.
The Frick Vyper™is offered in two mounting configurations,
package mounted and remote mounted.
PACKAGE MOUNTED UNITS
One advantage of the package mounted version is that all
electrical connections have been prewired and tested at
the factory which ensures proper installation of control and
power lines.Package mounting is available for all horsepower
ratings of the Vyper™. Both water or glycol cooling connec-
tions are also available as well as the optional IEEE 519
harmonic filter. In addition, the package-mounted Vyper™
does not require an additional dV/dt filter between the VFD
cabinet and the motor.
Figure 6 shows Vyper™cabinet mounted on a Frick RWF II
refrigeration package. Individual systems configurations will
vary according to model and horsepower sizes selected.
On package mounted units, the Vyper™cabinet is mounted
on a rectangular welded steel channel, which provides both
an attachment point for the cabinet’s side brackets and also
helps to maintain the rigidity of the cabinet during service.
The channel assembly / VSD cabinet is mounted on two
extension brackets welded to pads on the system’s oil separa-
tor. All package-mounted units are assembled with vibration
isolators located between the Vyper™channel frame and the
extension mounting brackets. The isolators help to minimize
the exposure of internal components and connections to
cyclic vibrations during unit shipping and operation.
Power supply to the Vyper™is from the top. Power supply to
the motor is made via a conduit exit from a rear panel in the
Vyper™Cabinet. Control wiring in/out is located at the lower
left side of the cabinet.
Please consult standard compressor package installation
procedures for this mounting method.
Drive Disconnect Height – covered under Exception 2,
section 8 of article 404 of the NEC, which states, Switches
and Circuit Breakers installed adjacent to motors, applianc-
es, or other equipment that they supply shall be permitted
to be located higher than 2.0 M (6 ft 7in) and to be acces-
sible by portable means.
Figure 6 - Vyper™Package Mounted on Frick RWF II. Diagram is for orientation purposes only and is not to scale.

VYPER™VARIABLE SPEED DRIVE
INSTALLATION
100-210 IOM (JUL 09)
Page 18
Figure 7 - Vyper™ Cabinet and Stand

VYPER™VARIABLE SPEED DRIVE
INSTALLATION
100-210 IOM (JUL 09)
Page 19
should be taken to ensure that the Vyper™and the associated
piping and wiring do not obstruct access to service areas.
VYPER™COOLING CONFIGURATION
The Frick Vyper™is internally cooled with a factory cali-
brated liquid cooling circuit that offers many advantages
over traditional air-cooled systems. The liquid circuit pro-
vides precisely controlled coolant temperatures to the heat
generating components and delivers coolant into locations
that air-over fan systems could not penetrate. The Vyper™
liquid-cooling arrangement performs independently of fluctu-
ating ambient conditions. The NEMA 4 indoor-rated cabinet
seals the internal electronics and piping from corrosive
refrigerant vapors while providing superior cooling for the
internal electronic components. Efficient liquid cooling also
allows for smaller cabinet size and longer component life
than traditional air-cooled units. Plant condenser water or a
facility-supplied glycol loop subsequently removes the heat
in the coolant via the heat exchanger located at the back of
the Vyper™ cabinet.
VYPER™COOLING LOOP
While the compressor is running, the Quantum™LX control
panel monitors the temperature of Vyper™drive coolant.With
this information, the Quantum™LX delivers a 4-20 mA signal
to the 3-way mixing valve, based on the setpoints of a PID
loop output from the Quantum™LX. This signal will maintain
the Vyper™coolant temperature at the control setpoint for
the PID loop. This setpoint will be set at 110°F at the factory.
There are also low and high temp alarms and shutdowns as-
sociated with the Vyper™coolant temperature reading.These
wil also be factory set for a Low Temp. alarm and shutdown
at 85°F and 80°F with a 90 second delay, when running. The
High Temp. Alarm and shutdown will be factory set at 125°F
and 130°F with a 30 second delay when running. If theVyper™
coolant temperature drops too low, condensation may occur,
damaging vital electronic components.
In addition to controlling the Vyper™cabinet cooling system,
the Quantum™LX panel also monitors the temperature of four
components in the Vyper™cabinet. If any of these tempera-
tures reaches a critical threshold, the Quantum™LX panel will
enter a Stop Load condition, preventing either the slide valve
position or motor speed from increasing. If the temperature
continues to rise, the Quantum™LX panel will next go to a
Force Unload condition. In this situation, the slide valve will
unload to lower the motor torque required, in an effort to drop
the temperature in the panel. Table 7 shows the Stop Load
and Force Unload temperatures as well as the temperatures
where the Vyper™cabinet will automatically shut down.
Location Stop Load Force
Unload Shutdown
Baseplate Temp
Inverter
160°F
(71°C)
165°F
(74°C)
170°F
(77°C)
Heat Sink Temp 155°F
(68°C)
160°F
(71°C)
158°F
(70°C)
Harmonic Filter 130°F
(54°C)
135°F
(57°C)
145°F
(63°C)
Baseplate Temp 160°F
(71°C)
165°F
(74°C)
175°F
(79°C)
Table 7 – Vyper™ Cabinet Component Temperature Thresholds
REMOTE MOUNTED UNITS
For the remote mounting method, the Vyper™cabinet is
mounted on a steel stand specifically designed for the VSD.
The primary requirement for mounting the Vyper™is that the
foundation must be able to support the weight of the cabinet
and stand. In addition, the remote stand and Vyper™cabi-
net must be located so that no more than fifty (50) feet (15
meters) of motor wiring length is needed between the VSD
cabinet and the package motor.
The remote-mounted units have fastener holes located on
the bottom feet for floor anchors and on the rear stand legs
for wall anchoring of the stand.
Anchor bolts are recommended to firmly mount the unit to
the foundation. Anchoring the cabinet to a firm foundation
by proper leveling and employment of fastening bolts is the
best assurance for trouble-free installation.
Foundations must be in compliance with local building codes
and materials must be of industrial quality. All electrical
conduits must be metallic, no PVC or other materials are
permitted. The remote-mounted Vyper™ configuration is
shown in Figure 7. Table 6 provides the dimensions of the
unit and stand.The mounting location of remote-mount units
must be able to support the weight of the Vyper™. Dimen-
sions of the package-mount cabinets are identical except for
the elimination of the stand. Coolant connections to the heat
exchanger are 1½ in. NPT.
ENVIRONMENT
The Vyper™is housed in a NEMA 4 indoor class enclosure.
The electronics are sealed against ambient conditions, how-
ever it is recommended that the end user employ good stan-
dard practices in regard to moisture exposure and extreme
temperature conditions. It is recommended that the Vyper™
be operated within the ambient temperature range of 41°F
(5°C) and 135°F (57°C) with the dew point no higher than
90°F (32°C). Refer to Table 6 for temperature limits.
Recommended Ambient Temperature Limits
Unit Status Min Max
Storage -4°F (-20°C) 158°F (70°C)
Operating 41°F (5°C) 135°F (57°C)
Table 6 – Ambient Temperature Operating Limits.
The Vyper™can be used at altitudes up to 10,000 feet (3048
meters) without derating for units without the IEEE 519
Harmonic Filter. A Vyper™with the Harmonic Filter option
included can be operated up to 5,000 feet (1524 meters)
without derating. Remotely mounted units must have the
distance limited between the Vyper™and the compressor
motor to fifty (50) feet (15 meters) of wire or less. Problems
that may be encountered with wire lengths greater than fifty
feet are as follows:
• VSDpicksupinterferenceinthecontrolwiring,causing
the VSD to intermittently trip.
• Voltage drop becomes excessive, rising above the 5%
voltage drop limit.
• Peak voltage applied to the motor windings becomes
excessive and may cause premature motor failure.
• AdV/dt filter must be installed on remote-mounted units
with motor power lead lengths between 3 to 50 feet (1 to
15 meters).
Adequate service clearances, including door swing, must
be maintained around the Vyper™. During installation, care

VYPER™VARIABLE SPEED DRIVE
INSTALLATION
100-210 IOM (JUL 09)
Page 20
COOLANT TEMPERATURE LIMITS
Liquid supply cooling temperature limits vary between Water
and Glycol cooled units. The required coolant flow rate is
based on the maximum temperature of the coolant type to
be used.
GENERAL COOLING SYSTEM
REQUIREMENTS
• Vyper
™
Liquid-cooled 700/912 HP models provide one
in. NPT threaded male connections IN and OUT of the
heat exchanger for customer connections.
• Sufcientclearancetoperformnormalserviceandmain-
tenance work should be provided around the entire unit.
Figure 8 - Minimum Flow Rates - WATER
Entering Coolant Temperature Limits
Coolant Type Min Max
Water 40°F (4°C) 105°F (41°C)
Glycol 35°F (2°C) 105°F (41°C)
Table 8 – Entering Coolant Temperature Limits.
• Anupstreamstrainerisrecommendedtostopparticulate
matter from entering the heat exchanger. The strainer
should be cleaned several times during the first twenty-four
hours of operation.
• RefertothechartsinFigures8and9forminimumow
rates.
WATER RECOMMENDATIONS
• Frickrecommendsaclosed-loopsystemforthecustomer-
supplied water side of the heat exchanger.
• FrickrecommendsawaterpHlevelbetween6.0and7.4
for proper heat exchanger life.
• Whenaddingabooster pump to supply condenser water
to the heat exchanger of the water-cooled Vyper™, choose
a pump which will supply the proper GPM based on the
drive size and temperature of coolant where a 700 HP
drive would require 16 gallons @ 102.5°F at 10 or 15 feet
of head minimum. See Figure 8.
GLYCOL RECOMMENDATIONS
• PropyleneGlycolistobeusedexclusively.Glycolconcen-
tration must be 50% or less by volume. See Figure 9.