R
DURASTAR.COM40
DIP SWITCH DEFINITIONS
DIP SWITCH
CONTROL
SCENARIO FUNCTION ON OFF NOTE
SW1-2 1,2 Anti-cold blow protection option NO [Default] YES
SW1-3 1,2,3 Single cooling / heating and cooling options Cooling [
[Default] Cooling &
Heating
SW2-1 1
Compressor Running (demand working with
heat pump+ Electric heat)
Compressor slower
speed
[Default] Faster
Compressor
Only affects
compressor
and W1
SW2-1 2
Temperature differential to activate first
stage auxiliary heat (the GAP of T1 and Ts),
Wire controller demand with heat pump +
Electric heat working together
2°F (1°C) [Default] 4°F (2°C)
SW2-2 2 Electric heat on delay YES [Default] NO
SW2-3 2 Electric auxiliary heating delay to start time 30 minutes [Default] 15 minutes
Based on SW2-2
is ON
SW2-4 2
Compressor/Auxiliary heat outdoor
ambient lockout
The compressor will
not operate if the
outdoor temperature
is lower than the
temperature
represented by S3
[Default] The heater
will not operate if the
outdoor temperature
is greater than
the temperature
represented by S3
SW2-4 and S3
need to be working
together
Rotary
Switch S3
2
Set outdoor temperature Limitation
(for auxiliary heating or compressor)
0 means that the temperature protection is not
turned on, the dial range is 1 through F, 1 equals
-4°F and it increased up to 46°F based on the
Rotary Switch table on the following page.
SW3-1 1
Maximum continuous runtime allowed
before system automatically stages up
capacity to satisfy set point. This adds 1 to
5°F to the user set point in the calculated
control point to increase capacity and
satisfy user set point
30 minutes [Default] 90 minutes
SW3-2 1
Cooling and heating Y/Y2 temperature
differential adjustment.
Compressor slower
speed
[Default] Faster
Compressor
Only affects
compressor
SW3-3 1
Compressor Running (demand working with
heat pump+ Electric heat)
Compressor slower
speed
[Default] Faster
Compressor
Only affects
compressor
and W2
SW3-3 2
Temperature differential to activate second
stage auxiliary heating (the GAP of T1
and Ts) Wire controller demand with heat
pump+Electric heat working together
4°F (2°C) [Default] 6°F (3°C)
SW3-4 1,3
Fan speed of cooling mode when 24V
Thermostat is applied for.
Turbo High
SW4 1,2,3 Electric heat nominal CFM adjustment
Available settings are 000/001/010/011. Each
digit corresponds an individual switch
position. For example
[SW4-1 OFF, SW4-2 ON, SW4 -3 OFF] = 010
See table 11 for the corresponding CFM
adjustment
S4-1 1,3 Default ON
[Default] For single
stage supplemental
heat, W1 and W2 are
connected
For dual stage
supplemental heat,
W1 and W2 are
controlled
independently.
S4-2 1,3 DH function selection
[Default]
Dehumidification
control not available
Dehumidification
feature is enabled
through
thermostat
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