Part number 550-100-305/0916
56
AquaBalance
TM
W
ALL
M
OUNT
GAS
-
FIRED
WATER
BOILER
— C
OMBI
Boiler Manual
26
Standard Altitude Blower Speeds
CIRCULATOR EXERCISING
and FREEZE PROTECTION
CIRCULATOR EXERCISING
1. The control will automatically start the circulator output and
run for 10 seconds for each 72-hour period of inactivity.
FREEZE PROTECTION
1. This function automatically fires the boiler and starts the
HEAT circulator when the heat exchanger sensor detects a
temperature less than 40 °F. The circulator turns off when the
temperature rises above 45 °F.
Model
3TANDARD!LTITUDE
"LOWER3PEED(Z
Low
Fire
(b06)
Ignition
(Can't
Change -
Needs PC)
High Fire
In
CH Mode
(b05)
High Fire
In
DHW
Mode (b04)
WMB-155C N
39
60%
205
205
WMB-155C LP
40
60%
200
200
In USA Input rates are derated 4% for each 1000 ft.
above sea level, beyond 2000 ft. in accordance with
National Fuel Gas Code, ANSI Z223.1/NFPA 54 -latest
edition.
For elevations above 10,000 feet, please contact
Weil-McLain Technical Support for details.
Figure 78
34!.$!2$!LTITUDE"LOWER3PEEDS
FORBELOWINSTALLATIONS
)