Sanyo CH3642 - Automatic Restart after Power Interruption; (B) AUTO Control Mode

II - 15
SM830082
1
2
3
4
Section
5
2. Processes and functions
(B) AUTO Control Mode
When the Compressor has stopped while in AUTO mode, the 4-way valve switches on
(heating) or off (cooling) within 1 minute according to the following conditions:
Fig. 16
2-12 Automatic Restart after Power Interruption
This air conditionner has a power failure recovery function.
Compressor has stopped
under the operation of
“AUTO mode” condition.
4-way valve delays its
switching for 30 – 50 seconds
after compressor has been
turned ON.
0446_M_S
SOLENOID COIL
(4-WAY VALVE)
COMPRESSOR
COOL
AUTO
MODE
CONTROL HEAT
OFF OFF
OFF
OFFPOWER SOURCE
OPERATION
BUTTON
OFF
MORE THAN 10 MINUTES
(THERMO. OFF)
MORE THAN 10 MINUTES
(THERMO. OFF)
3 MINUTES
THERMO. OFF
THERMO. ON
MORE THAN
30 – 50 SECONDS
MORE THAN
3 MINUTES
OFFOFF
MORE THAN
30 – 50 SECONDS
ON ON ON ON
ON
HEAT
COOL
ON
ON
ON
HEAT
0445_M_S
Fig. 17