Way Valve Control (Optional) - Panasonic S-80MW1E5 Service Manual & Test Run Service Manual

12. 2-Way Valve Control (Optional)

12. 2-Way Valve Control (Optional)

Function of 2-Way Valve:
• Allow to use the hot water to the floor heating panel or brock cold water to floor heating panel.
Control contents:
Conditions of 2-Way Valve OPEN
When indoor unit running in heat mode
When outdoor unit under defrost control
When test run for water circuit
Valve type
Valve State
Contact (15-16)
Terminal board Nos.15-16
Example:
16
15
Indoor Unit
0 : NO type
OPEN CLOSE
No contact contact
2-WAY VALVE
(No-voltage a-contact static output)
Allowable contact voltage and
Current : 250VAC/2A
OPEN
contact
2 - 9
Air-to-Water Indoor Unit
1 : NC type (default)
CLOSE
No contact
2