Hisense AVWT-408FHFSHA Installation Manual page 31

< Heat Pump System & Heat Recovery System Without Switch Box >
Main Switch
Fuse
ELB
ELB
460V
3~ 60Hz
ELB
460V
3~ 60Hz
208/230V
1~ 60Hz
< Heat Recovery System with Switch Box>
For Single Branch SW BOX
460V
3~ 60Hz
460V
3~ 60Hz
208/230V
1~60Hz
Outdoor Unit A (Main)
TB1 TB2
L1 L2 L3 1 2 3 4
Earth
Main Switch
Fuse
ELB
Distribution Box
Main Switch
Fuse
L2
L1
TB1
ELB
No.0 Unit
ELB
TB2
1 2 A B
No. 0 System Indoor Units (or Water Modules)
Heat Recovery Indoor Units
(or Water Modules)
Outdoor Unit B (Sub)
TB1 TB2
L1 L2 L3 1 2 3 4
Distribution Box
L1 L2
TB1
No.1 Unit
Remote
TB2
Controller
1 2 A B
(Shielded
Twist Pair
Cable)
Remote
Controller
Heat Recovery Indoor Units
Connected to the same branch
23
Earth
Remote
Controller
(Shielded
Twist Pair
Cable)
Remote
Controller
No.1 System Indoor Units
(or Water Modules)
Heating Only
Cooling Only
Indoor Units Water Modules