Panasonic Aquarea WH-MDF06E3E5 series - Maintenance; Checking the water pressure; Checking the pressure relief valve

9 – 46 Aquarea air/water heat pump – Installation manual for compact systems 03 / 2013
Maintenance
Checking the water pressure | Checking the pressure relief valve
9 Maintenance
9.1 Checking the water pressure
9.2 Checking the pressure relief valve
³ Open the compact unit as described in Section 5.
³ The following maintenance steps must be performed annually:
 Check water pressure
 Check pressure relief valve
 Visual inspection of circuit board
 Clean dirt trap
 Check RCD
 Check the quick vent
³ Check the system pressure on the manometer. If the system pressure
is less than the target pressure, add liquid.
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³ Check the function of the pressure relief valve by moving the lever
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Escaping air or liquid must be clearly audible. If not, contact an
authorised dealer.
³ Return the lever of the pressure relief valve to the basic setting
(closed).
Pressure relief valve
1
2
4
3
1
Fastening screws
2
Lever
3
Pressure relief valve
4
Raise lever
Danger!
The maintenance work may
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The device carries potentially
fatal voltage when open. En-
sure that you have disconnect-
ed the power supply, if the
maintenance steps require this,
before you perform mainte-
nance work.