WaterMaster 25 - 35 - 45 - 70 - 85 - 120 : A1006482 - 664Y7300 • D
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USER’S GUIDE
DHW Setup
EZ Setup
DHW EZ Setup
Select DHW Demand
Thermostat
Sensor
Select DHW Demand
Thermostat
Sensor
Select DHW Demand
prompts the installer to select how a DHW Demand is generated. There are two Select DHW Demand options,
among which the installer must make a selection
.
When
Thermostat
is selected in Select DHW Demand, a domestic hot water call from an aquastat or dry contact switch will enable
the WaterMaster with a fixed setpoint for a domestic hot water call..
When
Sensor
is selected in Select DHW Demand, it requires the use of an optional Indirect Water Heater Sensor. The WaterMaster moni-
tors the DHW storage temperature and generates a DHW call whenever the temperature drops below the DHW storage setpoint by 3°C.
Default : Sensor
DHW Boiler Setpoint
prompts to enter the fixed appliance setpoint temperature during a hot water call when the Thermostat option
is selected.
Press on
LEFT
or
RIGHT
button to adjust the required temperature setpoint then press
OK
to store the setting.
Default: 75°C
.
DHW Setpoint
prompts to enter the DHW storage setpoint temperature.
Press on
LEFT
or
RIGHT
button to adjust the required temperature setpoint then press
OK
to store the setting.
Default: 60°C
.
The DHW Storage Setpoint will automatically be set 15°C higher than the DHW Setpoint setting
DHW Priority Timeout
prompts to enter an optional time limit that a domestic hot water call has priority.
Press on
LEFT
or
RIGHT
button to adjust the required timeout value, if required, then press
OK
to store the
setting and complete the DHW setting.
Defau
lt: Off
DHW Priority Timeout
Off
Off
120 min.
DHW
Boiler Setpoint
75°C
35°C
87°C
DHW Setpoint
60°C
20°C
75°C
EZ Setup Complete
DHW EZ setup is complete.
Additional changes can be made in
the Installer Menu if required.
Press OK to return to EZ Setup Menu
