GMV5 Home DC Inverter Multi VRF Units
35
Route quantity of water knockout drum
and water collector should not be over
6, if it’s over 6, it should be divided or
combined. Water knockout drum (floor
heating shunt valve) should install
electric shunt valve (single phase
220V~, normally closed type), and
should connect power cord to electric
box of Gree generator, and
automatically controlled by generator.
Set wired controller of air conditioner to
control shunt valve of designated room.
For specific operation please refer to
circuit diagram of generator and
instruction manual of generator.
It can avoid turning on floor heating of all the rooms.
This function is energy-saving. Wired controller for
controlling on and off of shunt valve of designated
room is proviced by Gree (it should set linkage
function). There is no need for users to purchase floor
heating temperature controller separately.
When installing floor heating, resistance
of water system should be calculated to
decide whether it needs to install
engineering water pump. Generator
provides external pipelines with
1.7m3/flow and 6m delivery lift. When
water pump in generator cannot satisfy
the requirement of delivery lift, it can
externally connect to engineering water
pump. Recommended model of
engineering water pump: Wilo
RL-25/7.5. Engineering water pump
should connect to electric box of Gree
generator, and is automatically
controlled by generator, for specific
operation please refer to circuit diagram
of generator;
If resistance of water system is great and there is no
engineering water pump, or delivery lift of engineering
water pump is relatively low, it will cause small water
flow and poor heating effect that cannot reach the
setting heating temperature, and energy consumption
of unit will be large;
Install 3 kg-force dropping valve in
closed circulating water system between
water tank and hot water generator.
Dropping valve has been packed with
generator as accessory.
When water pressure becomes large, safety valve of
hot water generator will leak water and will impact
water heating effect;
In package of generator, there are C
valve and D valve for water system,
please install according to actual
situation; please note that even only
install water tank or only install floor
heating for generator, C valve and D
valve should be installed.
Install C valve and D valve in water system can switch
between heating water mode and floor heating mode.
Please note that if it only installs water tank, C valve
should be installed. If it only installs floor heating
function, D valve should be installed.
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