Quick Reference Boiler Piping and Wiring Guide
HEAT ONLY BOILER
WITH MULTIPLE PUMPS
BOILl:R Pd.IMP SETnl/lG,
IHel!iCell
FUME
CH PUMP
CH·1
0
ON
Cti•2
0
ON
OHW
OFF
OFF
* (ON)
• Pump Setting Changes Needed With This Configuration
DHWPUMP
OFF
OFF
ON
MaluBIDn
Themnstat
CH2
I
6
5
00
- -
�••m 1
"'=
4
3
"'
0
0
- -
�,ma @J
Sgrel
2
'
0
0
- -
f--------------
�
El Q Q
I
I
I
, - - I- - -:- - - T - - - - - - - - - - - - - l
PRK:lRITY
ltfl..lT
Z0flE4
120VAC
N
H
N
H
0000
SR504-4
I
�
I
r--------------------
·············
1
··························································,
'--
��
_
7
_
:
:
_
]
_
;�
_
:
;
_
;
_
:
_
,;
_.
'····-····L::::::::::::::::::::::::
:
:::::::::::l .................
l.
I.
·-------------------···················:
Water
Supply
3
0
-
Malbu;
G
2
'
XI
0
0
- -
:
�
·
,.:� I
1
··· -�-.......................................................... :
WA'TER
.,,..
12
See appendix for listing of additional components.