© 2013
400_D - 09/13
17 of 32
Item Field
Range
Access
Description
Set to
ADJUST
0 to 50%
Default = 0%
Installer
MINIMUM MODULATION
SECTION E
The minimum percent modulation of the boiler
burner.
Note:
This item is only available when the Boiler
Type is 0-10 V (dc) or 4-20 mA.
ADJUST
sec
0 to 3:00 minutes
Default = 10
seconds
Installer
MODULATION DELAY
SECTION E
Delay time between the burner firing and the boiler
releasing to modulation.
Note:
This item is only available when the Boiler
Type is 0-10 V (dc) or 4-20 mA.
ADJUST
40 to 100°F
(4.5 to 38.0°C)
Default = 70°F
(21.0°C)
Installer
User
WWSD OCCUPIED
SECTION G
The system’s Warm Weather Shut Down temperature
during Occupied periods or when a schedule is not
used.
ADJUST
40 to 100°F
(4.5 to 38.0°C)
Default = 60°F
(15.5°C)
Installer
WWSD UNOCCUPIED
SECTION G
The system’s Warm Weather Shut Down temperature
during Unoccupied periods.
Note:
Item is only available when a schedule or User
Switch is present on the system.
Off, 1, 2, 3, 4, 5
Default = 2
Installer
DHW MODE
SECTION C
Selects the DHW mode of operation. The
mode determines the zone and boiler system
pumps operation whenever the DHW pump is in
operation.
100 to 200°F
(38.0 to 93.5°C)
Default = 180°F
(82°C)
Installer
DHW EXCHANGE
SECTION C
Selects the minimum boiler target to the DHW heat
exchanger.
Note:
Item is only available in DHW Modes 1 through 4
when a DHW sensor is not connected. It is available in
DHW Mode 5 when a DHW sensor is connected.
70 to 180°F
(21.0 to 82.0°C)
Default = 125°F
(51.5°C)
Installer
DHW OCCUPIED
SECTION C
Selects the temperature of the indirect DHW tank.
Note:
Item is only available when an optional DHW
sensor is installed except in DHW Mode 5.
ADJUST
Off or On
Default = On
Installer
DHW UNOCCUPIED
SECTION G
Selects whether or not the indirect DHW tank should
be heated to during Unoccupied time periods.
Note:
Item is only available when Schedule #1
is available or a User Switch is present on the
system.
Adjust Menu (2 of 3)
AD
J
U
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T
M
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N
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Continued on next page.
