Standard Altitude Blower Speeds - Weil-McLain WMB-155C Manual

W
TM
AquaBalance

26 Standard Altitude Blower Speeds

Figure 78
Model Low
Fire
(b06)
WMB-155C N 39
WMB-155C LP 40
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, and/or the Natural Gas and Propane Instal-
lation Code, CAN/CSA B149.1.
For elevations above 10,000 feet, please contact
Weil-McLain Technical Support for details.
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.
56
M -
ALL OUNT GAS FIRED WATER BOILER
)
Ignition High Fire High Fire
(Can't In
Change - CH Mode
Needs PC) (b05) Mode (b04)
60% 205
60% 200
— C
In
DHW
205
200
OMBI Boiler Manual
Part number 550-100-305/1016