Select CH Demand
Thermostat & Outd. Curve
Constant & Outdoor Curve
Constant & Setpoint
0 - 10 V Modulation Signal
140°F
80°F
18°C
-12°C
Current Settings
Select CH1 Reset Curve
MAX
140°F
80°F
18°C
-12°C
Current Settings
Select CH2 Reset Curve
Warm Weather Shutdown
O
O 25°C
EZ Setup Complete
Heating EZ setup is complete.
Additional changes can be made in
the Installer Menu if required.
Press OK to return to EZ Setup Menu
EZ Setup
Heating EZ Setup
Select CH Demand
Thermostat & Outd. Curve
Constant & Outdoor Curve
Constant & Setpoint
0 - 10 V Modulation Signal
57
CHAPTER 9
CHAPTER 9 - CTRLMAX OPERATION
9.7.2 Select CH Demand (Outdoor sensor connected)
Select CH Demand prompts the installer to select how a CH Demand is generated.
Thermostat & Outd. Curve – A central heating call from a thermostat or zone panel will
enable the EXALT and the setpoint will vary with the outdoor temperature for central
heating calls. After Thermostat & Outd. Curve is selected, the Select CH1 Reset Curve
screen appears (see below).
Constant & Outdoor Curve - The EXALT will maintain setpoint without an external CH call from a
thermostat or zone panel. The setpoint will vary with the outdoor temperature for central heating
calls. After Constant & Outdoor Curve is selected, the Select CH1 Reset Curve screen appears
Select CH1 Reset Curve prompts to select an outdoor reset curve for a CH1 heating
call when an Outdoor Curve option is chosen in Select CH Demand. Outdoor reset curve
presets are available to cover most applications. The outdoor reset curve can also be
adjusted to any desired settings in the Installer Menu.
Touch the
or soft keys to select the outdoor reset curve appropriate for the type of heating
system, then touch to store the setting. The Select CH2 Reset Curve screen then appears.
Default: Radiators 2
Select CH2 Reset Curve prompts to select an outdoor reset curve for a CH2 heating call
when an Outdoor Curve option is chosen in Select CH Demand. Outdoor reset curve pre-
sets are available to cover most applications. The outdoor reset curve can also be adjusted
to any desired settings in the Installer Menu.
Touch the
or soft keys to select the outdoor reset curve appropriate for the type of heating
system, then touch to store the setting. The Warm Weather Shutdown screen then appears.
Default: Radiators 2
Warm Weather Shutdown prompts to enter an optional outdoor temperature at which to
disable the central heating function and any circulator placed into constant circulation with
the Pump Permanent Circulation setting. The EXALT will continue to respond to a domestic
hot water call or a 0- 10V Modulation Signal when the outdoor temperature exceeds the
Warm Weather Shutdown Temperature setting.
Touch the
or soft keys to adjust the Warm Weather Shutdown Temperature then
touch the soft key to store the setting and complete Heating EZ Setup.
The Warm Weather Shutdown icon (
) is displayed on the home screen when the out-
door temperature reaches the Warm Weather Shutdown temperature.
Default: OFF.
Table 4 - Outdoor Reset Preset Selections
Preset Minimum Setpoint Maximum Setpoint
Floor Heat Low Temp. 76°F [24°C] 96°F [35°C]
Floor Heat High Temp. 76°F [24°C] 104°F [40°C]
Radiators 1 80°F [27°C] 120°F [49°C]
Radiators 2 80°F [27°C] 140°F [60°C]
Radiators 3 80°F [27°C] 158°F [70°C]
Radiators 4 80°F [27°C] 176°F [80°C]
Radiators 5 80°F [27°C] 185°F [85°C]
Cast iron baseboard 100°F [38°C] 170°F [77°C]
Finned tube baseboard 120°F [49°C] 180°F [82°C]
Radiators 6 120°F [49°C] 170°F [77°C]
Fancoil 140°F [60°C] 180°F [82°C]
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