Gree GRS-1.5/D150ANbA-K, Service Manual

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GREE AIR SOURCE HEAT PUMP WATER HEATER SERVICE MANUAL
35
is recommended, d etailed list is as follows:
Material code Name Quantity
76612816 Selflimiting temperature tracing belt 1
01802894 frame 1
8600800101 aluminum-foil paper 1
64132820 Pipeline antifreezing tracing belt installation statement sheet 1
(6) Installation of Stabilizing valve
Before connecting water pipe, measure water supply pressure of running water first, if water pressure
is over 0.7MPa, add stabilizing valve in waterway, otherwise, pressure relief on safety valve might occur
when the unit is not heated. Stabilizing valve (―→‖ direction shall accord with the water tank direction) shall
be installed between safety valve and filter.
Notices
！
①
To ensure water safety, the PPR pipe length at the water inlet and outlet is determined as per the
formula: L
≥
70×R
2
, wherein L indicate the pipe length, and R indicates the inner diameter of the pipe (unit:
cm). The pipe should be insulated properly. No metal pipe is allowed.
②
To ensure safety and reliability, special accessory equipped with this unit must be adopted (PPR
water pipe joint, safety valve and filter etc.). Don't use the accessory of any third party and replace the
accessory by yourself, any losses thereof for normal operation and usage of heat pump water heater
result from personal injury and improper installation, Gree shall not be liable.