Electrical Connection Diagram - Panasonic S-250WX2E5 Technical Data Manual

Gas heat pump, chiller water heat exchanger unit
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Water Heat Exchanger Unit

(2) Electrical connection diagram

About hot/cold water pump output and the interlock
Hot/cold water output force
Terminals 1 and 2 of connector TB3 on the water heat exchanger unit terminal board are outputs.
Output format: Non-voltage contacts (closed = pump on, open = pump off)
Hot/cold water pump interlock input
Terminals 1 and 2 of connector TB4 on the water heat exchanger unit terminal board are inputs.
Input format: Non-voltage contacts (closed = pump on, open = pump off)
Caution.
Always connect the fl ow switch in parallel with the pump operating signal to protect against freezing.
Flow switch rating: Contacts should be closed when the fl ow rate is 4 m
GHP Chiller TECHNICAL DATA.indb   A-29
GHP Chiller TECHNICAL DATA.indb   A-29
Maximum contact point rating: 200 V AC, 0.8 A (cosθ = 0.7)
Current rating is 30 mA at 12 V DC
A-29
7. Electrical installation
3
/h or more.
2012/04/06   13:42:07
2012/04/06   13:42:07

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