Toshiba RAV-M240A-E Service Manual page 13

Parts 20SRA1
Operating
indoor unit
M240A-E Power ON No
X
indoor unit operating
O
A
X
B
X
C
X
D
O
A B
O
A C
O
A D
X
B C
B D X
C D X
A B C O
X
B C D
O
A C D
O
A B D
O
A B C D
20SR A1, 2 : Indoor unit changeover 2-way valve solenoid coil
20SR B1, 2 : Indoor unit changeover 2-way valve solenoid coil
20SR C1, 2 : Compensation 2-way valve solenoid coil, OFF at the time of both indoor unit in a
cycle in operation
20SR D1, 2 : 2-way valve solenoid coil for bypass
O : ON
X : OFF
∆
: Discharge thermo switch (23H
∇
: Suction thermo switch (23L
20SRB1 20SRC1 20SRD1
(Cycle 1)
X X O
∆ ∇
X
∆ ∇
O
X X O
X X O
O X X
∆ ∇
X
∆ ∇
X
∆ ∇
O
∆ ∇
O
X X O
O X X
∆ ∇
O
∆ ∇
X
O X X
O X X
, ) ON at high temp. (OFF at low temp.)
1 2
, ) ON at low temp. (OFF at high temp.)
1 2
– 13 –
20SRA2 20SRB2 20SRC2
(Cycle 2)
X X X
X X X
X X X
∆
O X
∆
X O
X X X
∆
O X
∆
X O
∆
O X
∆
X O
O O X
∆
O X
O O X
O O X
∆
X O
O O X
20SRD2
O
O
O
∇
∇
O
∇
∇
∇
∇
X
∇
X
X
∇
X