Grundig GHP-MM08, Руководство по обслуживанию

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Heat Pump Monobloc Inverter / User Manual
202202 Heat Pump Space Heater 12
3.4.5 DC Fan Control
Start the fan before the compressor starts, and fan runs at the initial speed. After the compressor
runs a few minutes, the fan runs at a higher set speed.
3.4.6 Electronic Expansion Valve Control
The position of the electronic expansion valve (EEV) is controlled in steps from 0 (fully closed) to
480 (fully open).
!
At power-on
EEV first closes fully
，
and then moves to the standby position. After a few seconds EEV
moves to an initial running position, which is determined according to operating mode, inlet
water temperature and outdoor ambient temperature. A few minutes further, EEV is
controlled according to inlet water temperature, outlet water temperature, discharge
temperature and compressor speed.
!
When the unit is on standby
EEV keeps current position and delay a few seconds and opens fully.
!
When the unit stops
EEV keeps current position first and delay a few seconds and opens fully.