Wm97+ Control Settings - Weil-McLain WM97-70-CT Manual

WM97+ -
gas fired water boiler

WM97+ control settings

Figure 84
WM97+ control menu access — accessing
contractor menus
BEFORE PROCEEDING, perform essential
control settings as instructed on page 73.
Control menus — OVERVIEW
1. Access contractor menus by pressing and holding the UP and
DOWN arrow keys at the same time for 7 seconds.
2. See Figure 84 for the screen sequences up to the BOILER
SETTINGS and SYSTEM SETTINGS menus.
The DHW settings must be modified to allow
operation of a DHW circuit. The circuit must be
wired ONLY to Zone 1. DHW settings are done
in the SYSTEMS SETTINGS / DHW SETTINGS
menus.
3. Adjust control settings as needed for the space heating and
DHW systems supplied by the boiler.
4. Wire the line voltage and low voltage connections as required.
– 74 –
— Boiler Manual
CWH Installations — See Companion Water Heater
manual for additional screen information. When the WM97+
control detects the combi temperature sensors, it automati-
cally enables the CWH screens and CWH control operation.
5. The CONTRACTOR MENU screen will show:
a. BOILER SETTINGS — see page 75 for details
b. SYSTEM SETTINGS — see below
c. DIAGNOSTICS — see page 83
d. MAINTENANCE INFO — see page 73 and page 86
e. SET DATE AND TIME — see page 73 and page 86
SYSTEM SETTINGS
6. The
a. HEAT SETTINGS — see page 77
b. DHW SETTINGS — see page 80
c. CIRCULATOR EXERCISING — see page 82
d. FREEZE PROTECTION CIRCS — see page 82
screen will show:
Part number 550-142-120/0113