Gree GRS-CQ4.0Pd/NhG-K Mode D'emploi page 36

Air-to-water Heat Pump
The minimum clearance from the water tank to combustible surface must be 500mm.
There should be water pipe, hot water joint and floor drain near the water tank in favor of water replenishment,
hot water supply and drainage of water tank.
Connection of inlet/outlet waterway: Connect the safety check valve attached with the unit (with the arrow on it
pointing at the water tank) with the water inlet of water tank with PPR pipe according to the following figure, sealing
with unsintered tape. The other end of the safety check valve should connect with tap water joint. Connect the hot
water pipe and water outlet of water tank with PPR pipe.
Note
For safe use of water, water outlet/inlet of water tank must connect with a certain length of PPR pipe ,L
2
≥70×R (cm, R is inside radius of the pipe). Moreover, heat preservation should be conducted and metal pipe
cannot be used. For the first use, water tank must be full of water before the power is on.
Water Tank
Fix
With
Bolts
Installed on the ground
and never suspended
Tap water
32
Safety check valve
MONOBLOC TYPE