Gree Hydro Box NRQR16L/A-T, Руководство пользователя

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Hydro Box
8
⑤
In case of any change to the site installation conditions, please appropriately reduce the
capacity according to the power cables and air switch specifications provided by the
manufacturer.
4 Unit Installation
4.1 Notices
Please read the following notices carefully before installation and debugging!
(1) The hydro box is only applicable for closed-type water system. Open-type system, such
as water tank without coil, cannot use this hydro box. It shall be installed indoors with
ambient temperature from 4°C~35°C. Prohibit installing the hydro box outdoors,
otherwise malfunction will be caused.
(2) If you put the unit out of use for a long period, please make sure to drain the water
thoroughly out of the hydro box, water tank and floor heating pipe, in order to prevent the
system from freezing. During installation, please add water discharge valve at the inlet
and outlet water pipe of hydro box in order to drain the water thoroughly and prevent the
system from freezing.
(3) Before energizing, please check if the DIP switch of main board S2 is in accordance with
the actual status of connected device. If it is not in accordance, the reliability of unit will
be affected and temperature sensor error will be reported.
(4) When the supplementary water pressure is bigger than 3bar, please add relief valve at
the supplementary water port. Make sure the system water pressure is not bigger than
3bar. Otherwise, the relief valve will open and cause water leakage.
(5) The wired control can control floor heating. Detailed setting and operation please refer to
the instruction manuals of hydro box and wired controller.
(6) When the hydro box is connected with the water tank, please connect the circulating
water outlet of hydro box and circulating water inlet of water tank with the circulating
water inlet of hydro box and circulating water outlet of water tank. Detailed installation
please refer to the instruction manual of hydro box.
(7) When the hydro box is to be connected with floor heating system or water tank, please
install waterway solenoid valve C and solenoid valve D according to the unit installation
diagram, for controlling the water tank and floor water way heating. For valve C and valve
D, please select straight solenoid water valve with small resistance(valve C and valve D
aren’t included in NRQR16L/A-T and NRQR30L/A-T
，
please purchase in market).
Meanwhile, valve C, valve D and floor heating performer shall select closed-type.
(8) When the system is connected with floor heating, its waterway system and water tank
water belong to different waterway system. Therefore, tap water filling port and discharge
port shall be set.
(9) Constructor shall add water return pump according to actual requirements to ensure the
water pipe water temperature at user side and avoid waste during use.