48
9.0
ACVMax Operation
Navigation: Home Screen>Main Menu>EZ Setup>DHW EZ Setup
Domestic Hot Water EZ Setup allows the installer to quickly customize the
domestic hot water settings for the application.
9.8.1 Select DHW Demand
Default: Switch
Select DHW Demand prompts the installer to select the type of device which
will generate a DHW call. Press the
UP
or
DOWN
buttons to select the
DHW Demand type then press the
OK
button to store the setting. The Select
DHW Demand options are:
•
Thermostat
– A domestic hot water call from an aquastat or dry con-
tact switch will enable the Prestige with a fixed setpoint for a domestic
hot water call.
•
Sensor
– This option requires the use of Indirect Water Heater Sensor
PSRKIT22. The Prestige will monitor the DHW storage temperature
and generate a domestic hot water call when the temperature drops
below the DHW Storage Setpoint by 6ºF [3ºC].
9.8.2 Boiler DHW Setpoint
Default: 186°F [86°C]
Boiler DHW Setpoint prompts the installer to enter the fixed boiler setpoint
temperature during a Domestic hot water call when the Switch option is cho-
sen in Select DHW Demand. Press the
LEFT
or
RIGHT
buttons to adjust
the Boiler DHW Setpoint then press the
OK
button to store the setting.
9.8.3 DHW Storage Setpoint
Default: 140°F [60°C]
DHW Storage Setpoint prompts the installer to enter the domestic hot water
storage setpoint temperature when the Sensor option is chosen in Select
DHW Demand. Press the
LEFT
or
RIGHT
buttons to adjust the DHW
Storage Setpoint then press the
OK
button to store the setting.
The Boiler DHW Setpoint will automatically be set 46°F [25°C]
higher than the DHW Storage Setpoint setting.
NOTICE
9.8 Domestic Hot Water EZ Setup
Select DHW Demand
Thermostat
Sensor
96ºF
188ºF
186ºF
Boiler
DHW Setpoint
68ºF
150ºF
140ºF
DHW
Storage Setpoint