M
aintenance Guide – Econordic heat pump
13
STEP 1:
Connect the water pump cable harness
by clipping the electric connector to
water pump.
NG
NG
Change water pump
cable
If case of absence : keep the water pump cable fitted
to the water pump.
2/ Check absence of verdigris (kind of corrosion) or dark traces.
Caution : the cable connector is located behind the water pump, inside
the tank unit (EcoNordic W4 product only). You may use a mirror or a
picture from a mobile phone to complete that checking