Rotex HPSU 6-8X - Forced Cooling Operation

8 x Faults and malfunctions
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FA ROTEX HeatPumpSolarUnit - Part 2 - 05/2009
8.4.1 Forced cooling operation
8.4.2 Forced heating operation
1)
The function room cooling is available only for systems of type "HPSU..X".
Outdoor Module (RRHQ) 6-8 kW Outdoor Module (RRHQ) 11-16 kW
• Press pushbutton SW1 briefly.
 Forced cooling operation starts.
• Press pushbutton SW1 briefly.
 Forced cooling operation finishes.
• Set DIP switch (DS1) 1 to "ON".
• Press pushbutton BS4 briefly.
 Forced cooling operation starts.
• Press pushbutton BS4 briefly.
 Forced cooling operation finishes.
• Set DIP switch (DS1) 1 to "OFF".
CAUTION!
During forced cooling operation, the temperature in the water circuit can fall below 5 °C: this can then cause
frost damage to the circulation pump.
• During forced cooling operation, check water temperature on the display of the Indoor Module (RKHB) and
if necessary starts all fans on the Outdoor Module (RRHQ) manually.
Outdoor Module (RRHQ) 6-8 kW Outdoor Module (RRHQ) 11-16 kW
• Function not available. • Set DIP switch (DS1) 1 to "ON".
• Set DIP switch (DS1) 2 to "ON".
 Forced heating operation starts.
• Set DIP switch (DS1) 2 to "OFF".
• Set DIP switch (DS1) 1 to "OFF".
 Forced heating operation finishes.