GMV5 Home DC Inverter Multi VRF Units
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8) When connecting hot water generator with water tank, circulation water outlet of hot
water generator should connect to circulation water inlet of hot water generator, and
circulation water inlet of water tank should connect to circulation water outlet of water
tank, for specific installation please refer to instruction manual of hot water generator.
9) If hot water generator needs to connect to floor heating system or water tank, please
install water system magnetic valve C and magnetic valve D according to instructional
sketch map of unit, and control heating of water tank and water system of floor
respectively. C valve and D valve should be straight-through magnetic water valve with
small resistance (generator NRQD16G/A-S has been provided with C valve and D
valve), and floor heating performer of C valve and D valve should be closed type.
10) When the system is connected to floor heating function, the water system and water
tank are different water systems, thus it should set tap water inlet and drain interface.
11) User can install back water pump to keep water temperature of water pipe.
12) Water pipeline should be installed after fixing hot water generator. During the course of
installing connecting pipe, please prevent dust or other foreign matters from entering
into pipeline system.
13) After connecting all the water pipelines, conduct leakage detection first, and then
conduct heat insulation for the whole water system, especially for the joints such as
valves and pipe junctions. It is suggested to use heat insulating cotton with thickness
not less than 15mm.
14) Heat insulation bearing pressure water tank provides hot water by depending on
pressure of tap water, only under the condition of with tap water can produce hot water.
When using the unit, please keep the cut-off valve of cooling water inlet of water tank
is open.
15) Cooling and floor heating functions cannot be turned on simultaneously. If floor heating
function cannot be turned on and the unit displays ―mode limitation‖, please switch
mode of indoor unit to be heating or heating closedown mode.
16) Horizontal distance between hot water generator and insulating water tank should not
be over 5 meters, and vertical height difference should not be over 3 meters. If it is
over the above value, please contact our company. It is suggested to install insulating
water tank in lower position and hot water generator in upper position.
17) Prepare material according to the above size and specification of joint. If cut-off valve
is installed outdoors, it is suggested to use PPR pipe fittings to avoind freezing of
pipeline under low temperature.
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