Bosch BMS500-AAU018-1AHDXB - 27 K Multi Zone Models; 36 K Multi Zone Regular System

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Service Manual
Bosch Climate 5000 Series Ductless Air Conditioner / Heat Pump Multi Zone Outdoor Units (01.2023)
4.3 For Models: 27K Multi Zone Regular, 27K Multi Zone
Max Performance System BMS500-AAM027-1CSXRC,
BMS500-AAM027-1CSXHC
Figure 4
HEAT
EXCHANGE
(EVAPORATOR)
HEAT
EXCHANGE
(CONDENSER)
COOLING
HEATING
T2 Evaporator
temp. sensor
middle
T1 Room
temp. sensor
T3
Condenser
temp. sensor
T4 Ambient
temp. sensor
INDOOR OUTDOOR
CAPILLARY TUBE
EXV A
LIQUID VALVE A
GAS VALVE A
EXV B
LIQUID VALVE B
GAS VALVE B
EXV C
LIQUID VALVE C
GAS VALVE C
Compressor
4-WAY VALVE
T5 Discharge
temp. sensor
Accumulator
High pressure
switch
Low pressure
switch
T2B-A Evaporator
temp. sensor outlet
T2B-B
T2B-C
4.4 For Models: 36K Multi Zone Regular System
BMS500-AAM036-1CSXRC
Figure 5
LIQUID VALVE A
GAS VALVE A
HEAT
EXCHANGE
(EVAPORATOR)
HEAT
EXCHANGE
(CONDENSER)
COOLING
HEATING
T2 Evaporator
temp. sensor
middle
T1 Room
temp. sensor
T3
Condenser
temp. sensor
T4 Ambient
temp. sensor
INDOOR OUTDOOR
EXV A
CAPILLARY TUBE
EXV B
LIQUID VALVE B
GAS VALVE B
EXV C
LIQUID VALVE C
GAS VALVE C
EXV D
LIQUID VALVE D
GAS VALVE D
Compressor
4-WAY VALVE
T5 Discharge
temp. sensor
Accumulator
High pressure
switch
Low pressure
switch
T2B-A Evaporator
temp. sensor outlet
T2B-B
T2B-C
T2B-D