User Guide

Part number 550-100-325/0718
130
AquaBalance
®
SERIES 2 WALL MOUNT GAS-FIRED WATER BOILER — Boiler Manual
Figure 173 Engineering data
Boiler
Model
Shipping
weight
Operating
weight
Water
content
Vent/air pipe size:
(Provide a
separate vent for each
boiler)
Electrical
service
required
Pounds
per boiler
Pounds
per boiler
Gallons
per boiler
Amps
per boiler
Note 2 Note 3 Note 1
AB-80C Combi
77 86 1.110 2” or 3” 15.0
AB-120C Combi
80 91 1.306 2” or 3” 15.0
AB-155C Combi
87 98 1.331 3” 15.0
AB-80H Heating Only
64 73 1.030 2” or 3” 15.0
AB-120H Heating Only
67 77 1.226 2” or 3” 15.0
AB-155H Heating Only
67 77 1.231 3” 15.0
Notes
1
Total amp requirement includes up to one circulator, Low Water Cutoff, 3-Way Valve not to exceed 3.0 amps total.
2
Operating weight is the total weight of the boiler, including water.
3
AB-80 or 120 vent/air pipes can be either 2” or 3” pipe. AB- 155 is 3” only.
All of the boilers will automatically de-rate as vent/air pipe length increases, due to the pressure loss through the piping.
See Figure 174, page 131 for details.
All installations require a separate vent pipe and termination for each boiler. Vent piping cannot be manifolded.
Install and terminate vents as described in vent/air installation instructions in this manual.
Combustion air piping can be individually piped. See venting section in this manual.
37 Connections, Dimensions and Engineering data (continued)