Nobu NBL4-18IDU32 Service Manual page 19

Service Manual
Outdoor Unit
● Top view
1
● Bottom view
Technical Information
22
2 3 4 5 6 7 8 9 10
No.
Compressor three phase input
1
interface
11
Terminal of system high pressure
2
protection
Compressor overload protection
3
terminal
4 Interface of temperature sensor
Terminal of electronic expansion
5
valve
Terminal for low pressure protection
6
Interface of fan
7
4-way valve terminal
8
12
9
2-way valve terminal
13
10
Terminal of compressor electric heater
11
Terminal of chassis electric heater
14
12 Live wire
13 Communication wire
14 Grounding wire
15 Neutral wire
15
Service Manua
Name
Technical Information
15