Dhw Settings Menus - Weil-McLain WM97+ Manual

WM97+ -
gas fired water boiler

DHW SETTINGS menus

Figure 66 DHW SETTINGS
DHW SETTINGS
1. The DHW SETTINGS menus are for setting control
operation during DHW operation. The settings
apply ONLY to Zone 1. (see Figure 66)
2. When DHW is used, the settings for control opera-
tion during DHW calls for heat are set under the
DHW SETTINGS menus (see Figure 66, page 61).
DHW
1. Use this setting to enable or disable DHW operation
of the control module.
2. The temperature presets are chosen based on
normal best setting for DHW systems. The tem-
perature values can be changed, if desired, under
"TEMPERATURES."
Part number 550-142-058/0811
— Boiler Manual
menus (see Figure 62, page 57 for setting values and descriptions)
BOILER CIRCULATOR SPEED
Direct-connected DHW (bottom connections)
1. The boiler circulator speed must be set to OFF for directly-connected
2. A separate DHW circulator must be supplied and wired to Circula-
DHW as a zone in the system
1. Boiler circulator as system circulator — The boiler circulator should
2. Primary/secondary piping, zone valve-zoned or circulator zoned — Set
DHW applications.
tor 1 output.
be set to HIGH for most applications on which the boiler circulators
provides system flow.
the boiler circulator speed to LOW. Increase speed if needed.
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