F. Commissioning
1. Flow Rates
Each Pool Heat Pump has a minimum flow rate requirement please check the specification table
water flux section to ensure the circulation pump in use is adequately sized.
Calibrating the flow rate.
By using the running status function on the touch controller, it is easy to calibrate the check valves
installed for optimum flow rates through the heat pump.
OPTIMUM FLOW RATE DIFFERENTIAL FROM INLET TO OUTLET IS BETWEEN 2-3 DEGREES
Madimack Heat Pumps have a built-in flow switch which will deactivate the heating function if not
enough water flow is detected. The Heat Pump has a large range operation up to a seven-degree
differential. If the temperature differential is above 7 degrees, the built in flow switch or E6 Error
will be displayed indicating not enough flow detected.
Recommended procedure
a. Fully open all valves including the by-pass and switch the unit on to max temp.
b. If Error E3 is displayed slowly close by pass valve until unit initiates.
c. Wait 3-4 minutes until heat pump is at 100% Capacity
d. Check inlet and outlet temperature through on screen controller running status check
e. Open the by-pass valve to increase temperature differential
f. Close the by-pass valve to decrease temperature differential
g. Once optimum temperature achieved lock position of by-pass if possible.
Checklist
Unit has been installed level
Minimum ventilation requirements are met as shown in appendix C.
Condensation drain pipe has been connected and drains away from unit
Rubber feet have been placed underneath unit
Warranty registration details have been filled out in section L
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