Heating Operation - Bosch IDS 2.0 Service Manual

Split system heat pump condensing units up to 20.5 seer 2-3-4-5 ton capacity r410a
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Service Manual

9.2 Heating Operation

E
FAN
Evaporator Coil
Reversing
D
Valve
Strainer
C
HPS
B
T5
A
INV
Compressor
Figure 8
Refrigerant fl ow during heating operation/heating oil return
      o peration
Bosch Thermotechnology Corp. | 07.2021
H
EEV
F
Strainer
Strainer
T3
I
Check valve
G
T4
Pressure
J
Transducer
N
PEV
L
Th
Accumulator
Outdoor unit
P
Liquid Service Valve
Bi-flow Filter Drier
M
T3L
Gauge port of heat pump
Suction Service Valve
Bosch IDS 2.0 | 29
FAN ON
FAN
O
TXV
Condenser
Coil
Indoor unit
Thermostat "ON"
High pressure gas
High pressure liquid
Low pressure
Data subject to change

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