Glen Dimplex Koolant Koolers WO2-2-5000 User manual

Original Instructions 800.968.5665 | dimplexthermal.com
User Manual

Table of Contents
ATTENTION
This manual provides the user, installer and
maintenance technician the technical information for
installation, operation and routine maintenance to
ensure smooth operation and long-lasting operation of
the CHILLER. This manual has been written with
general guidelines and specifications for this platform
of chillers. Always refer to your CHILLER’s specific
drawings that have shipped with the unit. When
contacting the factory for service or replacement parts
reference your CHILLER’s serial and model numbers.
These can be found on the data tag on the CHILLER or
on the data pack information that shipped with the
unit.
Information Subject to Change
While every effort has been made to ensure the
accuracy and completeness of the information
presented in this document, Dimplex Thermal
Solutions assumes no responsibility and disclaims all
liability for damages resulting from the use of this
information or for any errors or omissions.

Table of Contents
i
Table of Contents
Table of Contents ........................................................................................................................................................i
List of Figures.............................................................................................................................................................iii
List of Tables..............................................................................................................................................................iv
Important Safety Instructions ........................................................................................................................... 1
Introduction....................................................................................................................................................... 2
Specifications..................................................................................................................................................... 3
Labels................................................................................................................................................................. 4
Installation Guidelines....................................................................................................................................... 5
Exterior Components................................................................................................................................. 5
Overall Dimensions.................................................................................................................................... 6
Location Considerations ............................................................................................................................ 7
Checking for Shipping Damage.................................................................................................................. 9
Transportation........................................................................................................................................... 9
Uncrating ................................................................................................................................................... 9
Installation....................................................................................................................................................... 10
Internal Access......................................................................................................................................... 10
Connections............................................................................................................................................. 14
6.2.1 Electrical .......................................................................................................................................... 14
6.2.2 Coolant plumbing ............................................................................................................................ 15
Coolant Reservoir Filling.......................................................................................................................... 16
Installation Checklist................................................................................................................................ 18
Operation......................................................................................................................................................... 19
Initial Startup........................................................................................................................................... 19
7.1.1 Temperature control ....................................................................................................................... 19
Controller................................................................................................................................................. 20
7.2.1 Initialization of Controller:............................................................................................................... 20
7.2.2 Starting the System: ........................................................................................................................ 20
7.2.3 Enabling Devices:............................................................................................................................. 20
7.2.4 Changing the Setpoint: .................................................................................................................... 21
7.2.5 Viewing Alarms................................................................................................................................ 21
7.2.6 Sequence of Operation:................................................................................................................... 21

Table of Contents
ii
Troubleshooting ...................................................................................................................................... 26
Refrigeration High Pressure Switch......................................................................................................... 27
Maintenance............................................................................................................................................ 27
7.6.1 Suggested maintenance checklist. .................................................................................................. 27
Internal Components....................................................................................................................................... 30
Units Equipped with a Tank Heater......................................................................................................... 34
Spare Parts List ................................................................................................................................................ 35
Maintenance................................................................................................................................................ 36
Pump Removal......................................................................................................................................... 36
Revisions...................................................................................................................................................... 37
Appendix A (Plumbing)............................................................................................................................................ 38
Appendix B (Pump Curve)........................................................................................................................................ 39
Appendix C (Refrigeration) ...................................................................................................................................... 40
WO2-2-5000 ........................................................................................................................................................ 40
WO2-2-7500 ........................................................................................................................................................ 41
WO2-2-10000 ...................................................................................................................................................... 42
Appendix D (Warranty)............................................................................................................................................ 43
Warranty Coverage.............................................................................................................................................. 43
What is Included.................................................................................................................................................. 43
What is Not Included........................................................................................................................................... 43
Appendix E (General Warranty Procedures) ........................................................................................................... 44
Warranty Work.................................................................................................................................................... 44
Warranty Parts .................................................................................................................................................... 44
Appendix F (Factory Contact) .................................................................................................................................. 45
Service Support Team.......................................................................................................................................... 45
Parts Department ................................................................................................................................................ 45
Appendix G (Chiller Registration) ............................................................................................................................ 46
Why register your chiller? ................................................................................................................................... 46

List of Figures
iii
List of Figures
Figure 1: Exterior Components.................................................................................................................................. 5
Figure 2: Exterior Components (Electrical Enclosure Side) ....................................................................................... 5
Figure 3: WO2-2-5000 Overall Dimensions............................................................................................................... 6
Figure 4: WO2-2-7500 / WO2-2-10000 Overall Dimensions..................................................................................... 6
Figure 5: WO2-2-5000 / WO2-2-7500 / WO2-2-10000 Required Clearances........................................................... 8
Figure 6: Internal Access.......................................................................................................................................... 10
Figure 7: Removal or Doors & Blockers................................................................................................................... 11
Figure 8: Removal of Lower Doors .......................................................................................................................... 12
Figure 9: Reservoir Visual Level Indicator Marks .................................................................................................... 16
Figure 10: Controller Restart Warning .................................................................................................................... 22
Figure 11: Controller Home Page ............................................................................................................................ 22
Figure 12: Controller Main Menu Pg1 ..................................................................................................................... 23
Figure 13: Controller Main Menu Pg2 ..................................................................................................................... 23
Figure 14: Controller Main Menu Pg3 ..................................................................................................................... 23
Figure 15: Controller On/Off Menu......................................................................................................................... 24
Figure 16: Controller Pump Enable/Disable Menu.................................................................................................. 24
Figure 17: Controller Setpoint Menu....................................................................................................................... 25
Figure 18: Controller Alarm Menu........................................................................................................................... 25
Figure 19: WO2-2-5000 Air Filter Side..................................................................................................................... 30
Figure 20: Door Side ................................................................................................................................................ 31
Figure 21: WO2-2-7500 Air Filter Side..................................................................................................................... 32
Figure 22: WO2-2-10000 Air Filter Side................................................................................................................... 33
Figure 23: Tank Heater ............................................................................................................................................ 34
Figure 24: Tank Heater Control Box ........................................................................................................................ 34
Figure 25: Pump Removal........................................................................................................................................ 36

List of Tables
iv
List of Tables
Table 1: Medical Chiller Capacities............................................................................................................................ 2
Table 2: Specifications............................................................................................................................................... 3
Table 3: Labels ........................................................................................................................................................... 4
Table 4: Chiller Air Intake and Exhaust Requirements .............................................................................................. 7
Table 5: Standard Fitting Losses in Equivalent Feet of Pipe .................................................................................... 15
Table 6: Chiller Plumbing Connections.................................................................................................................... 15
Table 7 Troubleshooting Service Guide................................................................................................................... 26
Table 8: Electrical Component Torque .................................................................................................................... 29
Table 9: Spare Parts List .......................................................................................................................................... 35

Important Safety Instructions
1
Important Safety Instructions
This manual contains important safety instructions that should be followed during the installation and
maintenance of the chiller. Read this manual thoroughly before attempting to install or operate this unit. Failure
to follow the instructions in this document may damage the equipment, cause hazardous conditions and void
the warranty.
Only properly trained and qualified personnel should move, install, operate or service this equipment.
Adhere to all warnings, cautions and safety instructions on the unit and in this manual when installing, operating
or maintaining the unit. Follow all operating and user instructions.
WARNING
This unit may present arc flash and electric shock hazards that could cause injury
or death.
Open all local electric power disconnect switches and wear protective equipment
before working within the chiller cabinet.
Earth ground to unit must be provided, per NEC, CEC and local codes, as
applicable. Adhere to all other local codes as applicable.
The only way to isolate all power from the unit is to turn the chiller’s main
disconnect to its OFF position. This should only be performed when intending to
service the unit.
WARNING
The chiller has automatically starting, high-speed fans. Open all electric power
disconnect switches before working in the unit. Contact with fans when the chiller
is powered can cause injury or death.
Do not operate this unit with any cabinet panels or air filters removed.
CAUTION
Fan and pump motors, compressors, and refrigeration components can become
extremely hot during operation. Allow enough time for them to cool before
working within the unit. Wear protective gloves and arm protection when working
on or near hot components.
Only HVAC/R qualified technicians should be working on refrigeration
components.
NOTICE
Improper installation, application, and service practices can result in water leakage
from the unit, causing damage to property and equipment.
Do not locate unit directly above any equipment that could sustain water damage.
NOTICE
Improper storage can cause damage to the unit.
Keep the unit upright, protected from moisture, and prevent contact damage.

Introduction
2
Introduction
WO-2-2-( ) outdoor chillers are designed to supply water/glycol as coolant to remove heat from process
equipment and reject it to the air through a vapor compression refrigeration cycle. The chiller features:
•Dual refrigeration circuits
▪Over 99% system uptime
▪50% capacity remains if one circuit is shut down
•Redundant horizontal centrifugal pump
▪Dual pumps provide complete redundancy in case of pump failure
▪Easy access panels and flanged plumbing connections streamline pump replacements
▪Automated pump rotation for increased longevity through load sharing
•Flow setter valve
▪Flow setter valve automatically adjusts internal pressure drop to compensate for varying
connecting pipe lengths while maintaining consistent flow
•Tank level switch
▪Tank level switch prevents the pumps from running dry
•Variable speed fans
▪Fans adjust rotational speed to provide optimal airflow through the condenser
•Flow switch
▪Flow switch ensures flow is maintained while the unit is running
Table 1: Medical Chiller Capacities
Model
Cabinet
Material
Coastal
Application?
(30 miles)
(Yes/No)
Tank and
Condenser
Heater?
(Yes/No)
Ambient
Range
(Min°F /
Max°F)
Capacity at
95°F
Ambient
kW/
(BTU/Hr)
Capacity at
Max
Ambient
kW/
(BTU/Hr)
WO2-2-5000-2P-NF-L-407C-M
Galvanized
No
No
-22 / 120
60 / 204720
49 / 167188
WO2-2-5000-2P-NF-L-407C-M
Galvanized
No
Yes
-40 / 120
60 / 204720
49 / 167188
WO2-2-5000-2P-NF-L-407C-M
Stainless
Yes
No
-22 / 120
60 / 204720
49 / 167188
WO2-2-7500-2P-NF-L-407C-M
Galvanized
No
No
-22 / 120
70 / 238840
WO2-2-7500-2P-NF-L-407C-M
Galvanized
No
Yes
-40 / 120
70 / 238840
WO2-2-7500-2P-NF-L-407C-M
Stainless
Yes
No
-22 / 120
70 / 238840
WO2-2-10000-2P-NF-L-407C-M
Galvanized
No
No
-22 / 104
94 / 320728
WO2-2-10000-2P-NF-L-407C-M
Galvanized
No
Yes
-40 / 104
94 / 320728
WO2-2-10000-2P-NF-L-407C-M
Stainless
Yes
No
-22 / 104
94 / 320728

Specifications
3
Specifications
Table 2: Specifications
Criterion
WO2-2-5000
Standard
WO2-2-5000
Low Ambient
WO2-2-7500
Standard
WO2-2-7500
Low Ambient
WO2-2-10000
Standard
WO2-2-10000
Low Ambient
Electrical
Input power
460V, 3Phase, 60Hz
FLA
61 A
64 A
89
MCA
64 A
66 A
93
MOPD
70 A
70 A
100
SCCR
5 kA
Refrigeration
Number of
Compressors
4
Compressor Motor
Power, each
5hp (3.7kW)
7.5hp (5.6kW)
10hp (7.5kW)
Refrigerant
R407c
Number of
Refrigeration
Circuits
2
Nominal
Refrigerant Charge
(Each Circuit)
29lb (13.2kg)
Plumbing
Number of Pumps
2
Pump Motor
Power
5.5hp (4.1kW)
Nominal Flow Rate
(36gpm Flowsetter
Configuration)
35gpm (132LPM)
Nominal Flow Rate
(26gpm Flowsetter
Configuration)
26gpm (98LPM)
Nominal Supply
Pressure
70 psi (4.8Bar)
Physical
Crated weight
3500lb (1588kg)
3750lb (1701kg)
4000lb (1814kg)
Uncrated weight
3400lb (1542kg)
3650lb (1656kg)
3900lb (1769kg)
Operational weigh
4300lb (1950kg)
4550lb (2064kg)
4800lb (2177kg)
Length
134.5” (3417mm)
Width
44.0” (1118mm)
Height
87.7” (2454mm)

Labels
4
Labels
Table 3: Labels
Symbol
Description
Symbol
Description
Caution Fan
Starts
Automatically
Do No Remove
Guards
Tank Level High
Prop65 Warning
Tank Level Low
Tank Drain
Fluid Outlet
Fluid Inlet
Arc Flash
Warning
Arc Flash Warning
Made in USA