Specifications

CVHE-SVN03D-EN 17
Field Control
Panel Signal Wiring
Table 5.
Standard Control Circuits:
UCP Control Wiring (120 VAC)
Unit Control
Terminations
Included in
Factory
Package
Input or
Output Type
All wiring to be in
accordance with
National Electrical Code
and any local codes.
Contacts
Chilled Water Flow Proving Input 1X1-5 to 1A6-J3-2 Std. Binary Input Normally Open,
closure with flow
Condenser Water Flow Proving Input 1X1-6 to 1A6-J2-2 Std. Binary Input Normally Open,
closure with flow
Chilled Water Pump Relay Output 1A5-J2- 4 to 6 Std. Binary Output Normally Open
Condenser Water Pump Relay Output 1A5-J2-1 to 3 Std. Binary Output Normally Open
Optional Control Circuits (120 VAC)
Alarm Relay MAR (Non-Latching) Output 1A8-J2-1 to 3 OPST Binary Output Normally Open
Limit Warning Relay Output 1A8-J2-4 to 6 OPST Binary Output Normally Open
Alarm Relay MMR (Latching) Output 1A8-J2-7 to 9 OPST Binary Output Normally Open
Compressor Running Relay Output 1A8-J2-10 to 12 OPST Binary Output Normally Open
Maximum Capacity Relay Output 1A9-J2-1 to 3 OPST Binary Output Normally Open
Head Relief Request Relay Output 1A9-J2-4 to 6 OPST Binary Output Normally Open
Purge Alarm Relay Output 1A9-J2-7 to 9 OPST Binary Output Normally Open
Ice Making Relay Output 1A5-J2-10 to 12 EXOP Binary Output Normally Open
Free Cooling Relay Output 1A11-J2-4 to 6 FRCL Binary Output Normally Open
Standard Low Voltage Circuits Low
Voltage Circuits (less than 30VAC)
Unit Control Panel
Terminations
Input or Output Type
External Auto Stop Input 1A13-J2-1 to 2 Std. Binary Input Closure required for
normal operation
Emergency Stop Input 1A13-J2-3 to 4 Std. Binary Input Closure required for
normal operation
Optional Low Voltage Circuits
External Base Loading Enable Input 1A18-J2-1 to 2 EXOP Binary Input Normally Open
External Hot Water Control Enable Input 1A18-J2-3 to 4 EXOP Binary Input Normally Open
External Ice Machine Control Enable Input 1A19-J2-1 to 2 EXOP Binary Input Normally Open
External Free Cooling Input Enable Input 1A20-J2-1 to 2 FRCL Binary Input Normally Open
RLA Compressor Output 1A15-J2-1 to 3 GBAS or CDRP Analog Output 2-10 vdc
External Condenser Pressure Output 1A15-J2-4 to 6 GBAS or CDRP Analog Output 2-10 vdc
External Current Limit Setpoint Input 1A16-J2-2 to 3 GBAS Analog Input 2-10 vdc, or 4-20 mA
External Chilled Water Setpoint Input 1A16-J2-5 to 6 GBAS Analog Input 2-10 vdc, or 4-20 mA
External Base Load Setpoint Signal Input 1A17-J2-2 to 3 EXOP Analog Input 2-10 vdc, or 4-20 mA
Generic Refrigerant Monitor input 1A17-J2-5 to 6 EXOP Analog Input 2-10 vdc, or 4-20 mA
Outdoor Air Temperature sensor IPC bus Connection
and sensor
CWR Communication and
sensor.
Tracer Comm Interface 1A14-J2-1(+) to 2(-)
1A14-J2-3(+) to 4(-)
TRIMM or LCI-C Communication to
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