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Part number 550-100-325/0419
53
AquaBalance
®
Series 2 Wall Mount Gas-fired Water Boiler – Boiler Manual
Figure 68
22 Field wiring (continued)
Outdoor sensor uses the back connection block,
see Figure 66,
Item 138, (right side of block … terminals 5 and 6).
-
stat wire 22 gauge).
shielded from direct sunlight or
flow of heat or cooling from other sources, approximately 10 feet
above ground level.
-
ly
Figure 69
Wiring the indirect tank aquastat to the Heating Only Boiler, will fire the
boiler to provide heated boiler water to the indirect tanks heating coil.
Field supplied; zone panel, with priority zone, indirect circulator,
zone valve for indirect tank.
Connect indirect aquastat N/O contact wires to boiler connections
#7 and #8, see Figure 69 below.
Boiler must be in the “comfort mode” (not “eco” mode) push eco/
comfort button to exit “eco” mode, display will Not show “eco”
on display when in correct mode, when using an Indirect Water
Heater Tank.
The control of the Heating Only model of the boiler is ca-
pable of managing two (2) separate circulators, one for the
Heating circuit and one for the Domestic Hot water circuit.
The connections are located on the rear part of the con-
trol case. In order to access the connector you will have to
unscrew the screw located on the lower right corner of the
control to enable you to rotate the control and access the
connectors. See Figure 70 and Figure 71.
Figure 70
Figure 71
In Figure 71, terminals 9, 10 and 11 (Item 32) are for con-
necting the Heating circuit circulator.
Terminals 11, 12, and 13 (Item 130) are for connecting the
Domestic Hot water circuit circulator.
The common terminal 11 is ground.
Only one circulator may be wired to each con-
nection point.
7
8
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