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Warranty
Please check the following before commencing startup as they are important conditions of
Panasonics warranty.
•
A magnetic filter must be installed in the return pipe as close as possible to the unit. Do
not switch the system on without this.
•
A buffer tank or low loss header must be used to create hydraulic separation and ensure
a minimum primary water volume of either 30 litres (single fan unit) or 50 litres (twin
fan unit). If using a low loss header then a volumising tank is probably required.
•
The pipe diameter used must be no smaller than 28mm copper (larger if plastic)
•
If glycol (anti-freeze) is used then this should be food safe and pre mixed before intro-
duction and of the correct strength for the system. Most applications will require this.
•
The water quality should be tested against Panasonics requirements.
Part of the startup process involves checking the water flow rate. In order for the unit to op-
erate at all then an absolute minimum low rates must be observed aswell as the
recommended pipework sizing.
kW output of unit
5
7
9
12
16
Flow rate (L/min)
14.3
20.1
25.8
34.4
45.9
Primary Pipework sizing Guide
kW Output
Copper Pipe Size O/D (mm)*
5kW
22
7kW
22
9kW
28
12kW
28
16kW
35
*Please note that these sizes are for guidance only and may differ dependant on pipe run, pressure losses within the system and
number of bends.
A full copy of Panasonics Warranty Terms and Conditions can be found at
https://www.aircon.panasonic.eu/GB_en/downloads/others/
