61
A, B: Water Pump
A-Pump 1: Pump for Heating & Cooling Circuit 1,
B-Pump 2: Pump for Heating & Cooling Circuit 2,
If there is an external water pump in heating, cooling and hot water system, it can be connected to
these ports, to be under the control of heat pump,
For user's side
A
B
4. Installation Walkthrough
4.5. Wiring
4.5.2. Explanation of Terminal Block 2