91
wP
wQ
qE
wE
qW
qQ
qP
wW
wT
5
4
2
3
8
/
9
wZ
wR
6
/
7
1
Terminal area
2
Safety high pressure switch
High pressure 1 (Stage 1)
3
Only type BW 2150, BW 2180,
BW 2250:
Safety high pressure switch
High pressure 2 (Stage 2)
4
High pressure sensor EEV 1
(Stage 1)
5
Only type BW 2150, BW 2180,
BW 2250:
High pressure sensor EEV 2
(Stage 2)
6
Suction gas temperature sensor
EEV 1 (Stage 1)
7
Only type BW 2150, BW 2180,
BW 2250:
Suction gas temperature sensor
EEV 2 (Stage 2)
8
Low pressure sensor EEV 1
(Stage 1)
9
Only type BW 2150, BW 2180,
BW 2250:
Low pressure sensor EEV 2
(Stage 2)
qP
Liquid gas temperature sensor
EEV 1 (Stage 1)
Only type BW 2150, BW 2180,
BW 2250:
Liquid gas temperature sensor
EEV 2 (Stage 2)
qW
Electronic expansion valve EEV 1
(Stage 1)
qE
Only type BW 2150, BW 2180,
BW 2250:
Electronic expansion valve EEV 2
(Stage 2)
qR
Only type BW 2150, BW 2180,
BW 2250:
Hot gas temperature sensor EEV 2/
Compressor 2 (Stage 2)
qT
Only type BW 2150, BW 2180,
BW 2250:
Compressor 2 (Stage 2)
Troubleshooting
Repairs
(cont.)
5772 458 GB
Service