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To modify the unit operation parameters move the cursor to the required line using the
button. Then use the
and
buttons to set
the desired value and then press the
to confirm. To exit the parameter change mode without saving the changes press the
button.
VIEWING THE READINGS FROM THE TEMPERATURE SENSORS
To view the readings from the temperature sensors installed in the unit move the cursor to the upper left corner by means of the
button and then use the
and
buttons to select the necessary sensor for viewing.
1.
Room temperature. The feedback is provided by the temperature
sensor built into the control panel or the exhaust duct temperature
sensor.
2.
Supply air temperature. The feedback is provided by the
temperature sensor built into the supply duct downstream of the
heat exchanger and the water heater.
3.
Outside air temperature. The feedback is provided by the
temperature sensor built into the supply duct upstream of the heat
exchanger.
UNIT OPERATION MODE SELECTION
The unit has 4 operation modes. To select the desired mode set the cursor at the “Mode” word by using the
button. Then use the
and
buttons to set the desired value and then press the
to confirm.
1. OFF
— the fans and the heat exchanger are disabled. Temperature
and speed settings are not available.
2.
FAN
— the fans run at the pre-selected speed. The heat exchang-
er and the water heater are disabled. The temperature settings are
not available. This mode can be enabled only from the pGD1 control
panel.
3. Auto mode
— the fans, the heat exchanger and the water heater
are enabled. The user may change the temperature and speed
settings. While in this mode the unit automatically adjusts the water
heater operation to attain the pre-set temperature at the selected
speed.
4. Scheduler —
the fans, the heat exchanger and the water heater
are enabled. Temperature and speed settings are not available. While
in this mode the unit operates according to a pre-programmed
schedule.