BAS Integration Manual

© 2013 284_B - 02/13
6 of 12
A Watts Water Technologies Company
Object
ID
Name Description Data
Type
Read /
Write
Units Range / Value
Analog Input Objects
0 Boil TARG Boiler Target Temperature AI R °F (64) -22 to 266°F
1 Boil MIN Minimum Boiler Target Temperature AI R °F (64) 60 to 180°F
2 Boil MAX Maximum Boiler Target Temperature AI R °F (64) 90 to 225°F
3 Boil SUP Boiler Supply Temperature AI R °F (64) -22 to 266°F
4 Boil RET Boiler Return Temperature AI R °F (64) -22 to 266°F
5 OUTDOOR Outdoor Air Temperature AI R °F (64) -76 to 149°F
6 DHW DHW Tank Temperature AI R °F (64) -22 to 266°F
7 VENT Vent Temperature AI R °F (64) -22 to 266°F
8 Boil INLET Boiler Inlet Temperature AI R °F (64) -40 to 500°F
9 FLOW RATE Flow Rate AI R GPM (89) 0 to 65535 gpm
10 ENERGY Energy Usage AI R Therms (21) 0 to 65535 Therms
11 PRESSURE System Pressure AI R PSI (56) 0 to 65535 psi
12 PRIM P1 RT Primary Pump 1 Running Time AI R Hours (71) 0 to 65535 Hours
13 PRIM P2 RT Primary Pump 2 Running Time AI R Hours (71) 0 to 65535 Hours
14 DHW P RT DHW Pump Running Time AI R Hours (71) 0 to 65535 Hours
15 ERROR Current Error AI R N/A (95) See Error List
16, 22,
28, 34
Boil (n) TYPE Boiler (n) Type AI R N/A (95)
0 = MOD, 1 = 1STG,
2 = 2STG, 3 = EMS1,
4 = EMS2
17, 23,
29, 35
Boil (n) OUT Boiler (n) Outlet Temperature AI R °F (64) -22 to 266°F
18, 24,
30, 36
Boil (n) MOD Boiler (n) Modulating Output AI R % (98) 0 to 100%
19, 25,
31, 37
BURNER (n) Boiler (n) Running Time AI R Hours (71) 0 to 65535 Hours
20, 26,
32, 38
CYCLES (n) Boiler (n) Cycles AI R N/A (95) 0 to 65535
21, 27,
33, 39
PUMP (n) RT Boiler (n) Pump Running Time AI R Hours (71) 0 to 65535 Hours
Analog Value Objects
0
SETPOINT BAS Setpoint Temperature AV R/W
°F (64) 60 to 225°F
1
ROOM Occ Room Occupied Temperature AV R/W
°F (64) 35 to 100°F
2
ROOM UnOcc Room UnOccupied Temperature AV R/W
°F (64) 35 to 100°F
3
OUT DSGN Outdoor Design Temperature AV R/W
°F (64) -60 to 45°F
4
TERMINAL Terminal Unit Type AV R/W
N/A (95)
0 = HRF1, 1 = HRF2,
2 = CONV, 3 = COIL,
4 = RAD, 5 = BASE
5
OUTDOOR BAS Outdoor Air Temperature AV R/W
°F (64)
-85 to 149°F
(-85°F = invalid temp. / no
BAS sensor)
BACnet
®
Analog Parameters
Analog Input Object = AI Analog Value Object = AV Read = R Read / Write = R / W
(n) represents the specific Boiler number, including 1, 2, 3 and 4.