Watts AERCO CFR 3000, Руководство по установке и запуску, Страница: 16 / 25

SECTION 2: INSTALLATION
• • •
Connector Strip J3 Terminals
Pin # Name Description
8 Shield Connection to the shield from any cable.
9 (NOT USED)
10 (NOT USED)
11 BLR V.S. Pump + Connection for a 0 – 10 V signal to drive a Boiler Variable Speed Pump if desired
when doing BST. To enable this feature, go to the Controller’s Main Menu
→
Advanced Setup
→
BST Cascade
→
Cascade Configuration and set VSP Pump
Mode to Fire Rate , then configure the related parameters.
12 BLR V.S. Pump –
13 BST/WHM RS485 +
Dedicated to internal communication between units in a BST system. ACS (legacy)
panel should also be connected to this terminal.
14 RS485 Iso Gnd
15 BST/WHM RS485 -
Connector Strip J4 Terminals
Pin # Name Description
1 (NOT USED)
2 (NOT USED)
3 (NOT USED)
4 (NOT USED)
5 RTD Spare 1 Reserved. Spare temp sensor
6 Sensor Ground Ground connection for RTD Spare 1
7 (NOT USED)
8 (NOT USED)
9 (NOT USED)
10 DHW Temp Connect the DHW tank temperature or DHW Loop Supply Temperature sensor
11 Shield Connection to the shield from any cable.
12 (NOT USED)
13 (NOT USED)
Connector Strip J5 Terminals
Pin # Name Description
1 (NOT USED)
2 (NOT USED)
3 Spare Analog In 1 + Connection to one of the following signals:
•
SmartPlate Valve input
•
VS Pump Feedback (Variable Speed Pump Feedback)
•
Remote Setpoint 2
To assign function, go to the Controller’s Main Menu
→
Advanced Setup
→
Ancillary
Devices
→
Analog Inputs , then set the Input parameter to Spare Analog In 1 .
4 Spare Analog In 1 -
5 (NOT USED)
6 (NOT USED)
7 Spare Analog Out 1 + Connection to one of the following signals: ● Fire Rate ● Cascade Valve
To assign/program function, go to the Controller’s Advanced Setup
→
Ancillary
Devices
→
Analog Outputs , then set the Output parameter to Spare Analog Out 1 .
8 Spare Analog Out 1 -
9 (NOT USED)
10 (NOT USED)
11 (NOT USED)
12 (NOT USED)