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System Control - ACVMax: 660Y2800 • C
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APPLIANCE DESCRIPTION AND OPERATION
CH & DHW Settings / DHW settings
DHW Settings
DHW Settings
DHW Operation
Enabled
Demand Thermostat
DHW Boiler Setpoint
75°C
DHW Setpoint
60°C
DHW on Differential
3°C
DHW Storage Adder
15°C
The
DHW Settings menu
contains settings related to domestic hot water operation.
Each line contains a DHW Setting followed by its current value. Six DHW Settings are
displayed on the screen at one time.
Press the
UP
or
DOWN
buttons to scroll through additional DHW Settings.
DHW Operation
Disabled
Enabled
DHW Operation
allows the domestic hot water function to be enabled and disabled.
Press the
UP
or
DOWN
buttons to select Enabled or Disabled then press the
OK
button
to store the setting.
•
Enabled
- The Prestige will respond to a domestic hot water call.
•
Disabled
- The Prestige will not respond to a domestic hot water call. The domestic hot
water operation disabled icon (
)is displayed on the home screen when
domestic hot water operation has been disabled.
DHW Operation default: Enabled
DHW Settings
DHW Operation
Enabled
Demand Thermostat
DHW Boiler Setpoint
75°C
DHW Setpoint
60°C
DHW on Differential
3°C
DHW Storage Adder
15°C
Demand Type
Sensor
Thermostat
Demand Type
allows the installer to select the type of device which will generate a do-
mestic hot water call.
Press the
UP
or
DOWN
buttons to select the DHW Demand Type then press the
OK
but-
ton to store the setting.
The DHW Demand options are:
•
Thermostat
- A domestic hot water call from an aquastat or dry contact switch will
enable the Prestige with a fixed setpoint for a domestic hot water call.
•
Sensor
- This option requires the use of an Indirect Water Heater Sensor. The Prestige
will monitor the DHW storage temperature and generate a domestic hot water call
when the temperature drops below the DHW Storage Setpoint - DHW On Differential.
Default: Thermostat