5. Schematic Refrigeration Diagram
Multi Controller
The schematic shows the layout for a four way multi controller (RBM-Y1042E-E), the three way
multi controller (RBM-Y1302E-E) is very similar however all components relating to branch D have
been removed.
Specification of Multi Controller Components
240 / 12
Primary / Secondary (v ac)
Transformer
1
(Amps)
Heater Fuse
Trips at 119
(ºC)
Thermal Fuse
65
50
(W)
Sump Heater (240vac)
Break on Rise
Float Switch
32.8 @ 0ºC , 10 @ 25ºC , 3.6 @ 50ºC
(k
Ω)
ThA,B,C,D,X Sensor
RBM-Y1042E-E
RBM-Y1032E-E
Model Number
TOSHIBA
AUGUST 1997
Page 12
STRAINER
EXPANSION VALVE
PMV(D)
CHECK VALVE
EXPANSION VALVE
STRAINER
PMV(C)
CHECK VALVE
EXPANSION VALVE
PMV(B)
STRAINER
CHECK VALVE
STRAINER
EXPANSION VALVE
PMV(A)
CHECK VALVE
ThA
ThB
ThC
ThD
ThX
LIQUID PIPE
GAS PIPE
BRANCH A
BRANCH B
BRANCH C
BRANCH D
INDOOR UNIT
STRAINER
STRAINER