Vents VUT 300 WH EC, Руководство пользователя

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U3
Failure U3 (underheating) appears if return heat medium temperature
at the end of the heating cycle in winter mode before the fan start-up
is below the set point, factory s40°C. Start-up of the fans is
disabled.
Adjustment
Basic controller adjustment menu. Adjustment editing by
professionals only! Editing by unauthorized unskilled labour may
result in the controller non-serviceability or malfunction. The
adjustment menu is password protected. Password information is for
professional installers and service engineers only.
Passw
The adjustment enter password is 1111 by default. To enter the
password which is displayed as “****” select the first number with
buttons and and press Enter, then enter the second number
with buttons and then press Enter and so on. After entering the
last number press Enter to get to adjustment menu. The engineering
menu is displayed, (Eng. adjust.)
Adjustment of fans (Adjust-vent) Fan parameter adjustment menu
V-02 40 Supply fan low speed adjustment [%]
V-03 70 Supply fan medium speed adjustment [%]
V-04 100 Supply fan high speed adjustment [%]
V-05 40 Extract fan low speed adjustment [%]
V-06 70 Extract fan medium speed adjustment [%]
V-07 100 Extract fan high speed adjustment [%]
V-08 Enables (yes)
This parameter enables/disables fan start-up after power supply
failure. Disable function (no) disables the fan start-up after the power
supply failure and enable function (yes) enables the fan start-up after
the power supply failure;
Pump adjustment (Adjust-pump) Adjustment menu for circulation pump of the water heater.
H-01 20 Minimum operating time of the circulation pump [s].
H-02 Enabled (yes)
This parameter enables/disables the circulation pump operation in
summer mode. Disable function (no) disables the pump start-up in
summer mode and enable function (yes) enables the pump start-up
when the heat medium regulating valve is activated.