Quick Reference Boiler Piping and Wiring Guide
HEAT ONLY BOILER
USING 2 TEMPS/ 2 HEATING CURVES
1-leaiCt!I
CH·1
CH·2
OHW
BOILER PUMP SETI'I
NI
G
,
f\.AfM!;
CH PUMP
0
ON
ON" (OFF)
OFF
01-,
OFF* (ON)
DHWPU�P
OFF
OFF
ON
• Pump Setting Changes Needed With This Configuration
SRSOl4
OtEZOtE
WITCHNG FE.LAY
Power
120VAC
Water
Supply
High Temp
Dl-2
I
I
CH2
S,,stem
MaluB!rm
Therrrmtat
SenllOr
Sig rel
I
I
'--7
low Temp
I
�
CH-1
I
l.;;;2j_J
□
----J
················----------------
L ____ _
················---------··············································
____
./'
:
\...
_
16
See appendix for listing of additional components.
PoWer
120VAC
WA'"
SUPPIY
