Energy Recovery Ventilation System
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slave wired controller. Detailed setting please refer to the owner’s
manual of wired controller.
③ One wired controller can control 16 fresh air units in maximum at the
same time (this function is only available when the unit is connected to
VRF system or virtual outdoor unit).
④ If the fresh air units are not connected to VRF system, while the wired
controller shall control several fresh air units, the fresh air units shall
connect with virtual outdoor unit; connect one end of communication
wire with the virtual outdoor unit and the other end to terminal D1 and D2;
other units connect to terminal D1 and D2 through communication wire.
5 Operation and Maintenance
After finishing engineering installation, please check the wire connection and
arrange running test.
Notices for operation condition: the suggested operating outdoor temperature
range is -25°C ~40°C; if outdoor fresh air temperature is above 40°C or lower than
-25°C, the induced fresh air may influence indoor ambient comfort. It is suggested
to close the fresh air unit.
The cleaning reminder cycle of filter can be set according to local air pollution
status. Setting way is as below: according to the operation steps of owner’s manual
of wired controller, enter parameter setting P49 interface; for the areas where
outdoor pollution is not so serious, set P49 to 04 and filter cleaning will be reminded
once in every 2 months of accumulative operation time; for the areas where outdoor
pollution is serious, set P49 to 05 and filter cleaning will be reminded once in every
one month of accumulative operation time; for the areas and seasons with serious
outdoor pollution, set P49 to 06 and filter cleaning will be reminded once in every
half month of accumulative operation time; if filter cleaning reminder cycle hasn’t
been set, wired controller will default P49 as 04.
Maintenance notices of filter: after cleaning, user shall clear the cleaning
reminder on wired controller. Detailed operation instructions please refer to the
operation steps of owner’s manual of wired controller.
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