103
qW
/
qE 2
/
3
/
4
/
5
wI
wW
wP
wQ
wE
qO
wT
8
/
9
1
Wiring chamber
2
Safety high pressure switch
High pressure 1 (Stage 1)
3
Only type WW 302.A125,
WW 302.A155, WW 302.A200,
WW 302.A250, WW 302.A300:
Safety high pressure switch
High pressure 2 (Stage 2)
4
High pressure sensor EEV 1
(Stage 1)
5
Only type WW 302.A125,
WW 302.A155, WW 302.A200,
WW 302.A250, WW 302.A300:
High pressure sensor EEV 2
(Stage 2)
6
Suction gas temperature sensor
EEV 1 (Stage 1)
7
Only type WW 302.A125,
WW 302.A155, WW 302.A200,
WW 302.A250, WW 302.A300:
Suction gas temperature sensor
EEV 2 (Stage 2)
8
Low pressure sensor EEV 1
(Stage 1)
9
Only type WW 302.A125,
WW 302.A155, WW 302.A200,
WW 302.A250, WW 302.A300:
Low pressure sensor EEV 2
(Stage 2)
qP
Liquid gas temperature sensor
EEV 1 (Stage 1)
Only type WW 302.A125,
WW 302.A155, WW 302.A200,
WW 302.A250, WW 302.A300:
Liquid gas temperature sensor
EEV 2 (Stage 2)
qW
Electronic expansion valve EEV 1
(Stage 1)
qE
Only type WW 302.A125,
WW 302.A155, WW 302.A200,
WW 302.A250, WW 302.A300:
Electronic expansion valve EEV 2
(Stage 2)
qR
Only type WW 302.A125,
WW 302.A155, WW 302.A200,
WW 302.A250, WW 302.A300:
Hot gas temperature sensor EEV 2/
Compressor 2 (Stage 2)
qT
Only type WW 302.A125,
WW 302.A155, WW 302.A200,
WW 302.A250, WW 302.A300:
Compressor 2 (Stage 2)
qZ
Hot gas temperature sensor EEV 1/
Compressor 1 (Stage 1)
qU
Compressor 1 (Stage 1)
qI
Sight glass, oil level Compressor 1
and 2
qO
Secondary circuit return tempera-
ture sensor
Only type WW 302.A125,
WW 302.A155, WW 302.A200,
WW 302.A250, WW 302.A300:
2 return temperature sensors, sec-
ondary circuit
wP
Filter dryer
Troubleshooting
Repairs
(cont.)
5848 164 GB
Service
Summary of Contents for BW 301.A090
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