Macurco DVP-120B User manual

Macurco DVP-120B
Detection and Ventilation Control Panel
User Instructions
IMPORTANT: Keep these User Instructions for reference.

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Table of Contents
1General Safety Information..........................................................................................................................................................4
1.1 List of warnings.....................................................................................................................................................................4
2Use Instructions and Limitations..................................................................................................................................................5
2.1 DVP-120B General Description............................................................................................................................................5
2.2 DVP-485B Modbus®Adapter................................................................................................................................................5
2.3 MRS-485 Modbus Adapter...................................................................................................................................................5
2.4Features...............................................................................................................................................................................6
2.5 Specifications........................................................................................................................................................................6
3Installation and Operating Instructions.........................................................................................................................................7
3.1 Mounting Holes.....................................................................................................................................................................7
3.2 General Wiring Information...................................................................................................................................................8
3.2.1 DVP-120.....................................................................................................................................................8
3.2.2 DVP-120B...................................................................................................................................................8
3.3 Main Power Connection........................................................................................................................................................9
3.4 Remote Sensor Connection..................................................................................................................................................9
3.4.1 DVP-120.....................................................................................................................................................9
3.4.2 DVP-120B.................................................................................................................................................11
3.5 Interfacing Macurco Sensors..............................................................................................................................................13
3.5.1 DVP-120...................................................................................................................................................13
3.5.2 DVP-120B.................................................................................................................................................13
4Operations.................................................................................................................................................................................18
4.1 Initial Operating Mode.........................................................................................................................................................18
4.1.1 Status Light Display..................................................................................................................................18
4.1.2 User Interface...........................................................................................................................................19
4.1.3 Cursor Keys..............................................................................................................................................19
4.1.4 MENU Key................................................................................................................................................19
4.1.5 HUSH Key.................................................................................................................................................19
4.1.6 Normal Status Display..............................................................................................................................20
4.1.7 ALARM Status Display..............................................................................................................................20
4.1.8 Warning Status Display.............................................................................................................................21
4.1.9 Trouble Status Display..............................................................................................................................21
4.2 Ventilation Control..............................................................................................................................................................22
4.2.1 Zone Signal Display..................................................................................................................................22
4.3Setting the System Configuration.......................................................................................................................................23
4.3.1 System Menu............................................................................................................................................23
4.3.2 Configure System Submenu.....................................................................................................................24
4.3.3 Configure Sensors Submenu....................................................................................................................29
4.3.4 Configure Relays, Horn & Strobe Submenu .............................................................................................31
4.3.5 Configure Horn Submenu.........................................................................................................................32
4.3.6 Configure Strobe Submenu.......................................................................................................................33
4.3.7 Configure Zones Submenu.......................................................................................................................33
4.3.8 Configure Signals Submenu.....................................................................................................................37
5BACnet ......................................................................................................................................................................................41
5.1 General Information............................................................................................................................................................41
5.1.1 Analog Input - Sensor ID...........................................................................................................................41
5.1.2 Analog Input - Gas Reading......................................................................................................................41
5.1.3 Binary Input - MRS Trouble.......................................................................................................................41
5.1.4 Binary Input - Over Range........................................................................................................................41
5.1.5 Binary Input – Trouble...............................................................................................................................41
5.1.6 Binary Input- DVP Com Error....................................................................................................................41
5.2 Macurco Network Parameter Utility (NPU).........................................................................................................................41
5.3 BACnet Connection............................................................................................................................................................43
5.3.1 Serial RS-485 to USB Wiring....................................................................................................................43
5.3.2 Serial RS-485 to Ethernet (TCP/IP)..........................................................................................................44

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5.4 BACnet software.................................................................................................................................................................44
6Troubleshooting.........................................................................................................................................................................45
6.1 System Status Light Flashing.............................................................................................................................................45
6.1.1 Input Channel Trouble..............................................................................................................................45
6.1.2 Internal Controller Board Trouble..............................................................................................................46
6.2 Timed ventilation problem...................................................................................................................................................46
6.3 No Power............................................................................................................................................................................46
6.4 LCD Display unreadable.....................................................................................................................................................46
6.5 The Keypad does not respond (LCDshows KEYS LOCKED)............................................................................................46
6.6 The Keypad does not respond after silencing an Alarm, Warning or Trouble.....................................................................47
6.7 After a power failure............................................................................................................................................................47
6.8MRS-485 Modbus Application............................................................................................................................................47
6.8.1 Normal Operation......................................................................................................................................47
6.8.2 Unknown Sensor Code.............................................................................................................................47
6.8.3 Error Codes...............................................................................................................................................47
6.8.4 Dip Switch Settings Codes........................................................................................................................47
7Testing and Maintenance...........................................................................................................................................................49
7.1 Testing................................................................................................................................................................................49
7.1.1 Keypad Test..............................................................................................................................................49
7.1.2 DVP Functionality Test.............................................................................................................................49
7.2 Maintenance.......................................................................................................................................................................49
8Appendix A – Quick Setup.........................................................................................................................................................50
8.1 Configure System Submenu...............................................................................................................................................52
8.2 Configure Sensors Submenu..............................................................................................................................................54
8.2.1 See section 4.1 Initial Operating Mode for more detail.............................................................................54
8.2.2 See section 4.1.2 User Interface for more detail.......................................................................................54
8.2.3 See section 4.3 Setting the System Configuration formore detail............................................................54
8.2.4 See section 4.3.3 Configure Sensors Submenu for more detail...............................................................54
8.3 Configure Relays, Horn & Strobe Submenu.......................................................................................................................55
8.3.1 See section 4.3.4 Configure Relays, Horn & Strobe Submenu for moredetail.........................................55
8.4 Configure Zones Submenu.................................................................................................................................................56
8.4.1 See section 4.3.7 Configure Zones Submenu for more detail...................................................................56
8.5 Configure Signals Submenu...............................................................................................................................................58
8.5.1 See section 4.3.8 Configure Signals Submenu for more detail.................................................................58
9Appendix B – DVP-120 Setup Record.......................................................................................................................................59
10 Appendix C – DVP-120B Setup Record ....................................................................................................................................60
11 Macurco Gas Detection products limited warranty.....................................................................................................................62
Technical Support Contact Information.............................................................................................................................................62
General Contact Information.............................................................................................................................................................62

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1 General Safety Information
1.1 List of warnings
WARNING
•Each person using this equipment must read and understand the information in these User Instructions before use. Use of this
equipment by untrained or unqualified personsor use that is not in accordance with theseUser Instructions, may adversely
affect product performance and result in serious injury or death.
•This equipment helps monitor for the presence and concentration level of certainspecified airbornegases. Misuse may
produce an inaccurate reading, which meansthat higher levels of the gas being monitoredmay be present and could result in
overexposure and result in serious injury or death. For proper use,see supervisor or User Instructions, orcall Macurco
Technical Service at 1-844-325-3050.
•DVP-120B may not functioneffectively below 32°F (0°C) orabove 104°F (40°C). Using the equipment outside of this
temperature range may adversely affectproduct performance and result in serious injury or death.
•High voltage terminals (120/240 VAC)are located within the DVP-120B, presenting a hazard to service technicians. Only
qualified technicians shouldopen the DVP-120B case and service the internal circuits. Ensure power is removed from the
DVP-120B prior to servicing the unit.
•Immediately exit any environment that causes an alarm condition on the sensor. Failure to do so may result in serious injury
or death.
•Each time theunit is turned on it performs a self-test, which activates the audibleand visual alarms. If theself-test fails, or all
the alarms do not activate, do not use. Failure to do somay adversely affect product performance and result in serious
injury or death.
•Do not cover or obstruct audible alarm opening or visual alarm LED. Doing so may adversely affect product performance and
result in serious injury or death.
•Do not disassemble unitor attempt to repair ormodify any component of this instrument.This instrumentcontains no user
serviceable parts, and substitution of components may adversely affectproduct performance and result in serious injury or
death.
•Use only for monitoring the gases which thesensors and equipment are designed to monitor. Failure to doso may resultin
exposures to gases not detectable and result in serious injury or death. For proper use, see supervisor or User Instructions,
or call Macurco Technical Support at 1-844-325-3050.

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2 Use Instructions and Limitations
2.1 DVP-120B General Description
The DVP-120B exhaust fan controller, use in conjunction with Macurco gas detector,controller, transducers, providesautomatic
controls to helpmaintain an acceptable environmentin parking garages or other facilities. The DVP-120B system is designed to meet
specifications for safety in enclosed parking garages, including the Uniform Building Code and OSHA 50ppm CO requirements. The
standard DVP-120B can control up to twelve analog gas sensors, as well as 87 digital addressable sensors, in any combination (i.e.
CO, NO2, EX, etc.). The DVP-120B is ready for operation after the wiring is complete and the user systemconfiguration is entered.
2.2 DVP-485B Modbus®Adapter
TheDVP-485BModbus adapterincreases thecapacityofthe DVP-120Bfrom 12detectorsto 99and providesaRS-485BACnetoutput.
The DVP-120B is the Modbus and BACnet enabled version of the DVP-120 with up to 87 Modbus addressable sensors on one channel,
plus the original 12 analog 4-20mA sensor channels. System wiring includes 4-20mA current loop and RS-485 serial detector interface
aswellasmain powerconnectionforthe DVP-120B,thefancontroland alarmconnectionsfromtheDVP-120Btothebuildingventilation
andautomationsystems.TheRS-485serialinterfaceisfromtheDVP-120Btotheremotedetectors.Powertothesedetectorsisprovided
by an external 24VDC low voltage power supply. See section 3.4 Remote Sensor Connection for more information regarding remote
power supplies.
2.3 MRS-485 Modbus Adapter
The Macurco MRS-485 adapter is an accessory used to convert the 4-20mA analog signal from Macurco 6-Series type detectors to a
digital signal for use with the DVP-120B and other multipoint addressablesystems. The Macurco MRS-485 simply plugs into the back of
the detector and a single screw fastens it in place. The MRS-485 accepts the 4-20mA output and is powered from the same connection
as the detector. The MRS-485 mounts to a Macurco 6-Series detector installed on a 4” x 4” electrical box electrical box supplied by the
contractor.
WARNING
EachpersonusingthisequipmentmustreadandunderstandtheinformationintheseUserInstructionsbeforeuse.Useofthisequipment
by untrained or unqualified persons or use that is not in accordance with these User Instructions, may adversely affect product
performance and result in serious injury or death.

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2.4 Features
•LCD display showing the status ofeach transducer andrelay
•External keypad for user selection ofthe transducer/alarm display andsetting the configuration (password
protected)
•Up to three ventilation control zones can bedefined
•Each zone can be controlled based ontransducer signals and/or time of day
•Each relay isconfigurable with adelay before activation and minimum ontime
•Fail-safe operation can beimplemented
•Lockable NEMA 1 type enclosure
•Modular input and output connectors
•One RS-485 digital input channels - 87 addressable sensors RS-485 digital output channel for BACnet
•Compatible with all Macurco 6-Series gas detectors and MRS-485 adapter
•Twelve analogs (current loop) input channels
•Three 10A, 240 VAC SPDT Dry Contact relays
•24VDC Powered Relays for external Horn and Strobe
•ETL Listed toUL508A, CAN/CSA-C22.2 No. 14-13
•BTL Listed
2.5 Specifications
•Size: 10.5” x 12.5” x2.” (267 mm x 318 mm x 51 mm)
•Weight: 6 ½ lb (2.9 kg)
•Enclosure: NEMA 1 Type
•Operating Temperature: 32° to 104°F (0° to 40°C)
•Operating Humidity: 0% to 95% RH non-condensing
•Power Input: 90 – 250 VAC, 1 Amp, 47 – 63 Hz, single phase
•Relay Rating (3): SPDT, 120/240 VAC, 10 A resistive
•LCD Display: 2 rows of 16 characters with backlight
•Status Indicators (LED): Power, ALARM/warning, Hush, Relay 1, Relay2 & Relay 3
•Audible indicator: Internal buzzer, 90 dBA at 1ft
•External Drivers (2): 24VDC, maximum 250 mA
•Carbon Monoxide (CO) Range: 0 – 200ppm
•Nitrogen Dioxide (NO2) Range: 0 – 20ppm
•Combustible (EX) Range: 0 – 50% LEL
•Ammonia (NH3) Range: 0 – 100ppm
•Hydrogen Sulfide (H2S) Range: 0 – 50ppm
•Refrigerant (REF) Range: 0 – 1,000ppm
•Oxygen (O2) Range: 0 – 25% v/v
•Carbon Dioxide (CO2) Range: 0 – 5,000ppm
•Wild Card (WC) Range: Variable
•Relay on Delay: 0 – 15 minutes in1 second increments
•Relay Minimum Run Time: 0 – 15 minutes in1 second increments

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3 Installation and Operating Instructions
Gas detection and exhaust fan control are provided by a Macurco DVP-120 system. System wiring includes the main power connection
for the DVP-120, 4-20mA current loop and 24VDC power connections between the remote sensors and the DVP-120, the fan control
connectionsand/oralarmconnectionsfromtheDVP-120tothebuildingventilationandautomationsystems.TheDVP-120Balsoincludes
the RS-485 serial interface from the DVP-120B to the MRS-485 and remote detectors. Power to the MRS-485 and detectors is provided
by isolated/remote low voltage power supply.
The system is configured bythe user through the LCD display and keypad. Thesystem display providesthe userwith the system status
and the status of each configured sensor. In addition, all control functions of the DVP-120 may be accessed through thesystem display
and keypad.
WARNING
This equipment helps monitor for the presence and concentration level of certain specified airborne gases. Misuse may produce an
inaccurate reading, which means that higher levels of the gas being monitored may be present and could result in overexposure and
result in serious injury or death. For proper use, see supervisor or User Instructions, or call Macurco Technical Service at 1-844-325-
3050.
This DVP-120 system shouldbe used with Macurco™transducers and each unit will measure the level of the target gas (i.e. CO, NO2,
EX, etc.) and provide this information to the DVP-120 over a 4-20mA current loop. The transducers operate on low voltage (24VDC). All
powerand signalconnectionsforthe transducersareprovidedfromthe DVP-120controlpanel, viaunshieldedfourconductor cable.For
DVP-120B Modbus applications use shielded 3-conductor wire with one twisted pair providing a pair for signal (A & B), common (COM)
and shield ground (SHD) connections. The DVP-120 controlpanel provides three relays which can be used for ventilation fan control or
alarm signaling. These relays (SPDT - Form C) are for pilot duty only, capable of switching 10 amp loads up to 240 VAC. Main power
wiring should conform to national and local electrical codes and may require separate inspections and certification. Contact your local
building authority for further details.
WARNING
DVP-120 may not function effectively below32°F (0°C) or above 104°F (40°C). Using theequipment outside of this temperature range
may adverselyaffect product performance and result in serious injury or death.
3.1 Mounting Holes
Mounting holes are provided in the DVP-120 case at the four corners. The top two are keyhole shaped so that the panel can be hung
and then the two bottom screws driven to hold the panel. See figure 3-1. The panel should be mounted with sufficient space around the
panel for access to Conduit entry holes provided on the top,bottom and right side of the panel.
Figure 3-1 Mounting Holes

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3.2 General Wiring Information
WARNING
High voltage terminals (120/240 VAC) are located within the DVP-120, presenting a hazard to service technicians. Only qualified
techniciansshouldopentheDVP-120caseandservicetheinternalcircuits.EnsurepowerisremovedfromtheDVP-120priortoservicing
the unit.
Figure 3-2 Typical Layout
With the exception of the safety ground, all field wiring is completed via modular connectors (provided). After wiring, simply plug the
modular connectors into thematching connectors on the printed circuitboard (PCB).
Note: It is recommended to always install with wires enclosed within the rigid metallic conduit.
3.2.1 DVP-120
The power and signal connections to the remotely mounted sensors should be size AWG18 (minimum) for short runs. Refer to Table 3-
2 for recommended wire gauges. Four conductor cables may be used in all cases since the DVP-120 employs DC power for remote
sensors to help prevent electrical noise from interfering with the sensor output signal.
Do not bundle sensor power and/or signal connections with other AC power cables to prevent electrical interference. If other AC power
connections must be bundled with the DVP-120 sensor cables, the sensor connections should be made with two twisted pairs of the
appropriate gauge, with an overall foil and braid shield. All shields shouldbe terminated at the DVP-120 end of the cable only. A ground
stud is providednear the bottom leftcorner of the panel.
3.2.2 DVP-120B
The power connections to the MRS-485 and remote mounted sensors and should be size AWG18 (minimum) for short runs. Refer to
Table 3-2a for recommended wire gauges. The power for the MRS-485 adapter is connected via a two-terminal screw type connector,
12 to 24 VAC or 12 to 24 VDC and no polarity.
The MRS-485 adapter output is wired in the standard 2W-Modbus circuit definition with selectable built-in terminating resistors at the
ends of the RS-485 bus. It is recommended to always use twisted wires to reduce noise and allow for reliabledatacommunicationover
greater distances. For best performance use shielded 3-conductor wire with one twisted pair providing a pair for signal (A & B), common
(COM) and shield ground (SHD) connections. Use at least 3-conductor wire with one twisted pair providing a pair for signal (A & B) and
common (COM) connections. The Macurco MRS-485 Modbus output is connected via a four-terminal screw type connector.
Running the Modbus cable adjacent toor in the same conduit with high voltage wires is not recommended as there may be interference
from the high voltages.

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3.3 Main Power Connection
Themain powercableshouldbe routedintothe bottomleftconduitentry. Macurcorecommendsa minimumwire sizeof AWG18and the
wire insulator must be rated for 140°F (60°C) service. The modular connector will accept wire from 12 to 24 AWG. The safety ground
wire should be secured to the ground stud at the bottom left of thecabinet with the lock washer and nut supplied. Use a ring terminalfor
the ground connection. Refer to Table 3-1 for DVP-120 power connections. The line and neutral wires should be stripped 1/4 in. (6.5
mm), insert the wire into the wire cavity of the modular connector and tighten the screw clamp. Ensure that the wire cannot be easily
pulled from the connector. Plug the modularconnector into AC~ on the PCB and ensure that it latches into theheader properly.
Signal
Connector
Pin Number
Line (120/220/240/250 VAC)
AC~
3
Neutral
AC~
1
Ground
Ground Stud
n/a
Table 3-1 Main Power Connections
Figure 3-3 System Wiring Diagram
3.4 Remote Sensor Connection
3.4.1 DVP-120
Each remote sensor is connected by a four-wire connection – two wires forDC power andtwo wires for the 4– 20 mA loop connection.
The sensors are connected to the control panel PCB with modular connectors, two sensors per connector. See Figure 3-5 for a view of
a typical sensor connector. Refer to Table 3-2 for wire size recommendations.

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Figure 3-4 DVP-120 Internal View and DVP-120B with DVP-485 Modbus Adapter
Figure 3-5 Sensor Interface Connector – Channels 5 and 6
Each 8-terminal sensor modular connector may be disconnected from the PCB connector to ease wire installation. The terminals will
accept wire from 16 to 28 AWG. To install a wire, strip back approximately 0.25 in. (6 mm) of insulation and insert the bare wire into the
terminal. Tighten thescrew clamp and ensure that the wirecannot be easily pulled from the connector. Connector to sensor C1 through
C12 correspondence to all 12 input channels.
Wire gauge
Maximum Run Length
(feet)
(meters)
18
500
152
16
800
244
14
1250
381
Table 3-2 Recommended Wire Gauge