Watts PVi CEN 1600, Installation, Operation And Maintenance Manual

Page: 26 / 124

OMM-0153_E
• 5/11/2023 Technical Support • (800) 526-0288 • Mon-Fri, 8 am - 5 pm EST Page 26 of 124
CENTURION Installation, Operation & Maintenance Manual
SECTION 2: INSTALLATION
Connector Strip J4 Terminals
Pin # Name Description
1 Supply Loop 2
In a multiple application configuration, connection to the 2
nd
loop supply
header temperature sensor.
2 Sensor Ground Ground connection for Supply Loop 2
3 Return Loop 2
In a multiple application environment, connection to the 2
nd
loop return
header temperature sensor.
4 Shield
Connection to the shield from any cable.
5 RTD Spare 1 Reserved. Spare temp sensor
6 Sensor Ground Ground connection for RTD Spare 1
7 RTD Spare 2 Reserved. Spare temp sensor
8 Return Header
Connection to the Supply Header temperature sensor (2 wire sensor P/N
24410C , or 4 wire sensor P/N 61058C ) for:
•
Solar/Waste Heat application
Typically, used on Manager and Backup Manager units.
9 Sensor Ground Ground connection for Return Header Temp sensor
10 DHW Temp
Connect the DHW tank temperature or DHW Loop Supply Temperature
sensor
11 Shield Connection to the shield from any cable.
12 CO/Analog In +
Reserved for future use
13 CO/Analog In -
Connector Strip J5 Terminals
Pin # Name Description
1 Spare Analog In 3 + Connection to one of the following signals:
•
Swing V1 feedback
•
Swing V2 Feedback
•
VS Pump Feedback (Variable Speed Pump Feedback)
•
Remote Setpoint 2
•
DHW VSP Fdbk
To assign/program its function, go to the Controller’s Main Menu
→
Advanced Setup
→
Ancillary Devices
→
Analog Inputs, then set the Analog
Input Source parameter to Spare Analog In 1, Spare Analog In 2, or Spare
Analog In 3.
2 Spare Analog In 3 -
3 Spare Analog In 1 +
4 Spare Analog In 1 -
5 Spare Analog In 2 +
6 Spare Analog In 2 -
7 Spare Analog Out 1 + Connection to one of the following signals:
•
Fire Rate
•
Cascade Valve
To assign/program its function, go to the Controller’s Main Menu
→
Advanced Setup
→
Ancillary Devices
→
Analog Outputs, then set the
Select Output parameter to Spare Analog Out 1.
8 Spare Analog Out 1 -
9 DHW V.S. Pump +
Recirc pump on the unit
10 DHW V.S. Pump -
11 Spare Analog Out 3 + Connection to the Fire Rate signal.
To assign/program its function, go to the Controller’s Main Menu
→
Advanced Setup
→
Ancillary Devices
→
Analog Outputs, then set the
Select Output parameter to Spare Analog Out 3.
12 Spare Analog Out 3 -