Back of Control
Boiler Operation
Com
Sup
Sys
Boil
Out
Heat
Dem
Ret
Boiler
Off-Enable
On-Control
RMB
Pump
N
H
XPB
00-V V
( + )
( - )
S1
On
Off
2
1
3
00-VS
S3
S2
Ht
Req
5
4
00-VR
PMP
SUPPLY
BOILER
OUTDOOR
R
C
SENSOR
COMMON
24 VAC
POWER INPUT
iVALVE-R
SETBACK
iVALVE-S
Grnd.