Prestige ACVMax Control Supplement

5
2.0 CH Settings
2.0 CH SETTINGS
2.1 Navigation:
Home Screen > Installer Menu > CH & DHW Settings > CH Settings
The CH Settings menu contains settings related to central heating oper-
ation. Each line contains a CH Setting followed by its current value.
Six CH Settings are displayed on the screen at one time. Press the UP
or DOWN buttons to scroll through additional CH Settings.
2.2 Heating Operation Default: Enabled
Heating Operation allows the central heating 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 central heating call.
• Disabled - The Prestige will not respond to a central heating call.
The heating operation disabled icon ( ) is displayed on the home
screen when central heating operation has been disabled.
Freeze protection will remain enabled when Heating Operation is
Disabled.
2.3 Demand Type Default: Thermostat & Outd. Curve
Demand Type allows the installer to select how a CH Demand is generat-
ed. Press the UP or DOWN buttons to select the CH Demand Type then
press the OK button to store the setting. The CH Demand options are:
• Thermostat & Outd. Curve – A central heating call from a dry
contact switch will enable the Prestige and the setpoint will vary
with the outdoor temperature for central heating calls.
• Thermostat & Setpoint - A central heating call from a dry contact
switch will enable the Prestige and the setpoint will be fixed for
central heating calls.
• Constant & Outdoor Curve - The Prestige will maintain setpoint
and the central heating circulators will be constantly enabled with-
out an external call from a dry contact switch. The central heating
circulators will be disabled when the outdoor temperature exceeds
the Warm Weather Shutdown Temperature setting. The setpoint
will vary with the outdoor temperature for central heating calls.
• Constant & Setpoint - The Prestige will maintain setpoint and the
central heating circulators will be constantly enabled without an
external call from a dry contact switch. The central heating circula-
tors will be disabled when the outdoor temperature exceeds the
Warm Weather Shutdown Temperature setting. The setpoint will be
fixed for central heating calls.
• 0-10V Modulation Signal – This option allows the Prestige firing rate
to be controlled by an external control system with a 0-10 VDC signal.
Heating Settings
Heating Operation
D
emand
A
bs. Max CH Setpoint
CH1 Max. Setpoint
CH1 Min. Setpoint
Outdoor Curve / Coldest Day
E
nabled
T
hermostat & Outd. Curve
188ºF
180ºF
120ºF
1
0ºF
Heating Operation
D
isabled
Enabled
Demand Type
Thermostat & Outd. Curve
Thermostat & Setpoint
Constant & Outdoor Curve
Constant & Setpoint
0-10V Modulation Signal