Gree GRS-2.4/D270ANbA-K - Water Pipe Connection

Air Source Heat Pump Water Heater
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(3) The distance between water heater and surrounding wall or other shelter
objects can’t be too small. The installation space should satisfy the drawing
requirement.
(4) If install a rain shed for protecting the water heater, please make sure that it
won’t affect the heat radiation and absorption for the heat exchanger.
(5) The water heater should be installed at the solid place uprightly. Fix the
water heater with ground bolt if necessary.
(6) There should be tap water pipe, joint of hot water pipe and floor drain nearby
the water heater for water supply for water tank, hot water supply and water
drainage.
(7) Condensate water drainage: connect the drainage hose to the drainage hole
on the unit according to the drawing tightly and then lead to drainage hose to proper
place for discharge.
3.5 Water pipe connection
(1) Pipeline preparation
Adopt the special pipe for the hot water exit pipe of water heater. S2.5 series
PPR pipe with the external diameter of dn20 are suggested. If adopt other similar
insulated pipe materials, you can select it by referring to above external diameter
and the pipe thickness. Aluminium pipe are not suggested to be adopted.
(2) Installation of water inlet pipe and water outlet pipe of water tank
The water inlet pipe must be installed with safe device, strainer and cut-off valve,
and the installation sequence must be the same with the sketch map of unit
installation. A cut-off valve must be installed on the water outlet pipe.
For the convenience of drainage or clean for water tank, you are suggested to
install a three-way valve and a cut-off valve at the air outlet of water tank; if the water
tank is far away from the water using point (hot water pipe is more than 20m) or the
hot water using point is lower than the hot water outlet of water tank, three-way valve
and cut-off valve must be installed.
(3) Installation of drainage pipe
Take out the choke plug of drainage outlet, and then connect the drainage outlet
and the floor drain with pipeline. The position for the connection end for drainage