DLFSAB and DLFLAB: Service Manual
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
7
CONNECTORS (CONT.)
Table 2 — Unit Configuration Settings
DIAL CODE FEATURES ON OFF (DEFAULT)
S3 Electric heating turns on outdoor T4 temperature
0 (zero) means that the temperature protection is not turned on.
1 through F maps to -4°F through 46°F (-20°C through 8°C).
Each increment represents 3.6°F (2°C).
SW1-1 Whether 24V control selection YES NO
SW1-2 Cold wind protection option NO YES
SW1-3 Single cooling/heating and cooling options Cooling Heating and Cooling
SW1-4 Set machine.single internal machine Indoor unit KIT
SW2-1
The first group controls the electric heating to turn on the
temperature difference
1.8°F (1°C) 3.6°F (2°C)
SW2-2 Whether the electric heating is delayed YES NO
SW2-3 Electric auxiliary heating delay start time 30 minutes 15 minutes
SW2-4 Electric heating/compressor allow opening limit
Compressor allowed to operate to low
limit set by S3
Electric heating allowed to operate
to high limit set by S3
SW3-1
Continuous running time when the 1.8°F (1°C) set temperature
is not reached
E-square value (0.5 hour) 1.5 hours
SW3-2
Cooling and heating Y2 signal setting temperature adjustment
value A
1.8°F (1°C) 3.6°F (2°C)
SW3-3 Hysteresis of the second group of electric heating 3.6°F (2°C) 5.4°F (3°C)
SW3-4 Reserve //
S4-1 Default ON Short circuit W1 and W2 W1, W2 separate
S4-2 Default ON DH is off by default DH on
SW4-1
000 is the default
000/001/010/011/100/101/110/111, internal machines with different abilities, electric heating and PSC classification for use
SW4-2
SW4-3
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