Heating; Processes And Functions - Sanyo C4272R Service Manual

(B) Heating
REMOTE CONTROL
SENSOR
(Only for wireless
remote controller)
SET. +2 °F
SETTING TEMP.
SET. –2 °F
BODY SENSOR
+2°F
SET TEMP.+7 °F SHIFT
–2°F
SET TEMP.
COMPRESSOR
1
OUTDOOR FAN
(H OR M)
2
INDOOR FAN
2
STANDBY
(88°F)
INDOOR HEAT
EXCH.
COIL
81°F
TEMP.
77°F
E2
SOLENOID
COIL (4-WAY)
TEMP.
OPERATION
BUTTON
Once the compressor starts, it keeps running for 5 minutes.
Once the compressor stops, it will not start running again for 3 minutes.
If you change the operation mode (HEAT, COOL or FAN) during the heating cycle, the
control circuit stops the compressor for 3 minutes.
For 5 minutes after the compressor is first turned on, and for 3 minutes after it is turned off,
the compressor is not controlled by the room sensor.
When set on remote control sensor
Thermo ON: When room temperature is –2˚F below the set temperature T˚.
Thermo OFF: When the room temperature is 2˚F above the set temperature T˚, (T˚+2 ˚F)
When set on body sensor
NOTE: In case of Body sensor, operating temperature is shifted to setting temperature +7 ˚ F.
THERMO. ON
THERMO. OFF
THERMO. OFF
THERMO. ON
5 MINUTES 3 MINUTES
OFF ON
OFF ON
3 SECONDS
OFF SET SPEED
L L
LL
OFF O N O F F
OFF
1. Refer to 2-4 Outdoor Fan Speed Control
2. Refer to 2-2 Cold Draft Prevention (Heating)
Chart Summary and Explanations
THERMO. ON
THERMO. ON
MORE THAN
5 MINUTES
OFF ON
OFF ON
SET SPEED
LL
O N O F F
ON (REVERSING CYCLE)
ON
Compressor ON
Compressor OFF
II-3

2. Processes and functions

THERMO. OFF
THERMO. ON
THERMO. OFF
THERMO. ON
MORE THAN
3 MINUTES
OFF ON
OFF ON
SET SPEED
LL
O N OFF
1134_THS_I
Fig. 2
1
2
3
4
5
6
SM831148