Quick Reference Boiler Piping and Wiring Guide
HEAT ONLY BOILER
USING ZONE VALVES
li
H1C�!
I
CH·1
CH·2
OHW
BOILER PilJMP :SETinlNG
IFlAME
CH PIJMP
0
O.N
DHWPU�P
OFF
0
OFF
ON
OFF
Orf
•
(ON)
ON
• Pump Setting Changes Needed With This Configuration
CH2
System
I
Therrmstat
Sensor
or
6
5
4
3
2
1
�
1---��"'
-
�
-
---j f-
-
-�----1
,.
- - - - - -
I
r-------------------1
�
:
I
I
r----------�---------------------------
1
I
I
I
I
PRORITY
Z0flE2
ZOIIEJ
ZOIIE4
1234
1234
1234
000000000000000
I
I
L-------7
L ___ L_-,
-----1
I
----------------,
I
I
I
I
I
I
Water
Supply
I
I
I
I
I
I
I
I
I
I
I
I
I
I
.
.
.
.
.
.
...................
Malbu;
G
3
2
XI
�
(S)
(S)
- -
1
(S)
-
Po;,..,er
120VAC
..............................................
r
ffitii•
WATER
.,,..
See appendix for listing of additional components.
13
