© 2014 284_B - 08/14
7 of 12
A Watts Water Technologies Company
Object ID Name Description Data Type Read / Write Units Range / Value
Binary Input Objects
0 PRIM P1 Primary Pump 1 Status BI R N/A 0 = Off, 1 = On
1 PRIM P2 Primary Pump 2 Status BI R N/A 0 = Off, 1 = On
2 DHW PUMP DHW Pump Status BI R N/A 0 = Off, 1 = On
3 SETBACK Setback Status BI R N/A 0 = Off, 1 = On
4 AUX RLY Auxiliary Relay Status BI R N/A 0 = Off, 1 = On
5 ALERT RLY Alert Relay Status BI R N/A 0 = Off, 1 = On
6 HEAT CALL Heat Call Status BI R N/A 0 = Off, 1 = On
7 DHW CALL DHW Call Status BI R N/A 0 = Off, 1 = On
8 SETP CALL Setpoint Call Status BI R N/A 0 = Off, 1 = On
9 FLOW PROOF Flow Proof Call Status BI R N/A 0 = Off, 1 = On
10 CA PROOF C.A. Proof Call Status BI R N/A 0 = Off, 1 = On
11, 13,
15, 17
CONDENSE (n) Boiler (n) Condensing BI R N/A 0 = No, 1 = Yes
12, 14,
16, 18
B(n) PUMP Boiler (n) Pump Status BI R N/A 0 = Off, 1 = On
Binary Output Objects
0
DHW PUMP BAS DHW Pump Request BO R/W N/A 0 = Off, 1 = On
Binary Value Objects
0
BAS SETP CALL BAS Setpoint Call BV R/W N/A 0 = Off, 1 = On
1
BAS PRIM PMP REQ BAS Primary Pump Request BV R/W N/A 0 = Off, 1 = On
2, 3,
4, 5
ENABLE B(n) Enable / Disable Boiler (n) BV R/W N/A
0 = Enable,
1 = Disable
Refer to the 284_D Installation & Operational Manual for additional information.
Troubleshooting
If there is no communication, check the following:
Check the ethernet cable. Cable length must not exceed 150 ft. (45.7 m) for CAT-5E or 300 ft. (91.4 m) for CAT-6.
If the cable was manually made, check continuity across each of the wires.
If there is intermittent communication, check the following:
Check the ethernet cable. Cable length must not exceed 150 ft. (45.7 m) for CAT-5E or 300 ft. (91.4 m) for CAT-6.
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BACnet
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Binary Parameters
Binary Input Object = BI Binary Output Object = BO Binary Value Object = BV Read = R Write = W
(n) represents the specific Boiler number, including 1, 2, 3 and 4.
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