Wiring Diagram Sizes 48−56 - Carrier 38GJQ Series Installation Instructions Manual

WIRING DIAGRAM SIZES 48−56
XT1
L2 S
L1 L2
G
L1 L2
POWER
(Outdoor Unit)
Outdoor unit
BU module
BU1
G
L2 S L1 L2 S L1
G
Indoor unit Indoor unit
A
L2 S L1 L2 S L1
L1 L2
G
G
POWER Indoor unit
Indoor unit
BU1
1A
XT2
Outdoor unit
L2 S
BU module
L2 S L1
G G
Indoor unit
B C
L2 S L1
G
G L1 L2
G
Indoor unit POWER
1B
1C BU2
Fig. 81 – Wiring Diagram sizes 48−56
L2 S L2 S
Outdoor unit
BU module
BU module
BU2
G
L2 S L1 G
L2 S L1 L2 S L1
Indoor unit Indoor unit Indoor unit
A B C
L2 S L1 L2 S L1 L2 S L1
G
G G
Indoor unit Indoor unit Indoor unit
2A 2B 2C
41
L2 S
Outdoor unit
BU module
BU3
G
L2 S L1 L2 S L1 L2 S L1 G
G
G
Indoor unit
Indoor unit
B
A
L2 S L1
L2 S L1
L1 L2
G G G
POWER
Indoor unit Indoor unit Indoor unit
BU3
3A 3B
L2 S
BU module
Indoor unit
C
L2 S L1
G
3C