6. Connection Table
(Only 3 phase units)
22
Legend:
1. HINGH2 GND High pressure protection for system 2 (normally closed)
2. LOW2 GND
3. HINGH1 GND
4. LOW1 GND
5. SYS GND 12V
6. SW s
7. CMP2 c
8. OUTW2 t s
9. INW2 t s
10. CMP1 c
11. OUTW1 t s
12. INW1 t s
s (normally closed)
s (normally closed)
s (normally closed)
Low pressure protection for ystem 2
High pressure protection for ystem 1
Low
Protection signal
Current setting (hand et)
Output temp. of ompressor 2
Refrigerant temperature after ube ( ystem 2)
Refrigerant temp. before ube ( ystem 2)
Output temperature of ompressor 1
Refrigerant temp. after ube ( ystem 1)
Refrigerant temp. before ube ( ystem 1)
pressure protection for ystem 1
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