Johnson Controls (H, Engineering Manual

Page: 87 / 124

OUTDOOR UNITS
TC-16006
2-65
Figure 2.3 Illustration of Electrical Wiring Connections
TB1
GFCI
Main Switch
Main Switch
Main Switch
TB1 TB2
1 2 3 4
TB2
1 2 3 4
TB1
1 2 A B
TB2
1 2 A B
TB2
TB1
N
No. 0
Indoor Unit No. 1
Indoor Unit
Distribution Box or Pull Box Distribution Box or Pull Box
GFCI
GFCI
GFCI
GFCI
GFCI
S
S
S
Outdoor Unit A (Main)
Ground Ground
Outdoor Unit B (Sub)
Controller
Cable Controller
Cable
Wired
Controller Wired
Controller
No. 0 System Indoor Units No.1 System Indoor Units
1
208/230V 60Hz
TB : Terminal Block
PCB : Printed Circuit Board
: Field Wiring
: Communication Line
DC5V (Non-Pole Communication H-LINK System)
: Field-Supplied
: Optional Accessory
3
208/230V 60Hz
460V 60Hz
3
208/230V 60Hz
460V 60Hz
L1 L2 L3 L1 L2
L1 L2 N L1 L2
L3