GMV5 Home DC Inverter Multi VRF Units
130
Notices:
Before installation and debugging, please read the following notices carefully!
(1) Hydro box is only used for closed-type water system. For open-type water system such
as water tank with no coil, please do not use hydro box. It should be installed indoors at
ambient temperature of 4~35. Never install the hydro box outdoors, otherwise vibration
will occur.
(2) If units will be stopped or powered off for a long time, please drain away the water in the
hydro box, water tank and floor heating pipeline, otherwise, units will get frozen. During
installation, please install drain valve at the inlet and outlet pipe of hydro box to ensure
water can be completely drained.
(3) Before power is on, please check the main board if the DIP switch S2 is consistent with
the actual condition of connected equipment. If it is not consistent, units reliablibity will be
affected and temperature sensor error will occur.
(4) If water replenishing pressure is larger than 3bar, please add pressure-relief valve at the
water replenishing port to make sure water pressure is less than or equal to 3bar.
Otherwise, pressure relief valve will be open and cause water leak.
(5) For the connection of floor heating equipment, if pressure loss of water system outside
hydro box is more than 6m, please add an engineering water pump.
(6) Air conditioner wired controller can control floor heating. For the details of setting method
and operation, please refer to the manual of hydro box and the manual of wired
controller.
(7) When connecting hydro box with water tank, please connect the circulation outlet of
hydro box with the circulation inlet of water tank, and connect the circulation inlet of
hydro box with the circulation outlet of water tank. Please refer to the manual of hydro
box for installation details.
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