Metro Therm METROAIR AQUA 201, Руководство пользователя

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7.3. Mode of operation
Different strategies to heat the water can be selected from the main control panel
pressing 5 or 6 (Scroll down or scroll up) from the home view.
The possible modes of operation to choose from are found in the following table:
Figure 18 – Modes of operation
Class Code Menu Item Description
Er
Er1 T1 Error The temperature sensor T1 is out of range
Er2 T2 Error The temperature sensor T2 is out of range
Er3 T3 Error The temperature sensor T3 is out of range. If T3 Error
occurs, the unit does not heat the water in any way
Er4 T4 Error* The temperature sensor T4 is out of range. The error Er4 is
ignored and the unit runs normally
Er5 T5 Error* The temperature sensor T5 is out of range. The error Er5 is
ignored and the unit runs normally
Er6 Err HP The pressure switch opens, when the pressure in the cool-
ing circuit is above the limit of pressure specified on the
high pressure switch
Er7 Err Evap The temperature sensor T2 is above T1 - 2°C for more than
one hour
Er8 Err C Evap The temperature T2 is below - 25°C
Er9 Err H Evap The temperature T2 is above D11 (Evaporator T max)
Er10 Filter Replace filter. The alarm is displayed on the main screen,
but the operation of the unit is not affected.