Specifications

Part number 550-142-120/0113
WM97+ gas-fired water boiler — Boiler Manual
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CIRCULATOR EXERCISING and
FREEZE PROTECTION CIRCULATORS menus
CIRCULATOR EXERCISING
1. For each circulator, select whether you want the WM97+
control to automatically start the circulator and run for 10
seconds for each 72-hour period of inactivity.
FREEZE PROTECTION CIRCULATORS
1. This function automatically fires the boiler at low fire and
starts the circulators chosen if the heat exchanger sensor
detects a temperature less than 40 °F. The circulators turn
off when the temperature rises above 45 °F.
Menus Next screen Next screen Next screen DEFAULT
Follow information at the bottom of each screen to navigate to next/previous screen or enter/save data
SYSTEM SETTINGS CIRCULATOR EXERCISING CIRCULATOR 1: ###
CIRCULATOR 2: ###
CIRCULATOR 3: ###
BOILER CIRC: ###
ON/OFF
ON/OFF
ON/OFF
ON/OFF
ON
ON
ON
ON
FREEZE PROTECT CIRCS CIRCULATOR 1: ###
CIRCULATOR 2: ###
CIRCULATOR 3: ###
BOILER CIRC: ###
ON/OFF
ON/OFF
ON/OFF
ON/OFF
OFF
OFF
OFF
ON
Figure 92 CIRCULATOR (SYSTEM SETTINGS) menu navigation (see Figure 84, page 74 for access information)