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Facilità d'uso
The R9 relay can be used to control the three way damper of the exhaust air. This three way damper can supply the living area with cool air, if the room temperature reach the setpoint E2. For this function you will need a separate sensor, which is not a within the standard delivering. The sensor shall be connected to the control panel. For access to the control panel you have to dismantle the top of the machine. E2 can be set between 10-30°C Factory setting: 21°C E8: Disinfection function ON/OFF By setting the point to 1, the electric cartridge will provide 65°C hot water, once a week, in order to disinfect the tank (legionella protection function). Factory setting: 0 E9: Operating in cold surroundings ON/OFF If the setting is 0, the heat pump will run as long as there is a need of heat (= exhaust air-operation). Using the heat pump when taking the admission air from e.g. the cellar, there is an option of making the compressor stop in case the room is getting to cold. Instead, the electric heater will heat the water. The function is activated when the value has been set to 1 (= circulating air-operation). It is also possible to automatically let the electrical heater help heating the water when the intake air temperature is below the temperature set in E10. The function is activated when the value has been set to 2 (= fresh air operation). If the value is 0, the function is not active. Factory setting: 0 E10: Operating in cold surroundings When activating the function menu E9, the temperature at which the compressor will stop, or the heater will assist, may be set. The temperature is adjustable between –10 and +10°C. Factory setting: -5 E15: Hygrostat / stop unit If the value is 0, the speed of the fans will change to 3 when the relative humidity is above the preset value of the hygrostat. If the value is 1, the unit will stop when the clips 25 and 26 are short-circuiting. Factory setting: 0 E16: Min. airflow This value shows the minimum speed at which the fan is permitted to run when operating. Notice that the cooling system may be overloaded, resulting a drop out of the high-pressure switch, if the value has been set too high. The value should not be chosen higher than necessary, in order to secure a minimal airflow through the cooling coil. Adjust this value between 0-100%. Factory setting: 0 E17: Extended airflow ON At 3rd speed, there is an option of making the unit step down automatically to the 2nd speed, after a number of hours, by adjusting to set 1. If the setpoint is adjusted to 0, the unit will run at the 3rd speed until a lower speed has been selected manually. Factory setting: 0 E18: Hour If automatic step-down at 3rd speed is in use, the number of hours at which the unit is to operate with forced air, may be adjusted here. The setpoint may be adjusted between 1 - 10 hours. Factory setting: 3 E19: Extra function If the setpoint is 1 the extra function will be activated as soon as T9 reach the setpoint (se E2). If the setpoint is 0, the function will be out of order. E21: TX set In order to avoid high operating pressures in the cooling system, the system output must be reduced for the remaining part of the heating period. This parameter indicates the water temperature at which the reduction should start. It may be set to 0-55°C. Factory setting: 50 E23: Tmop This value indicates the maximum permitted evaporation temperature. This prevents overloading of the compressor system at high ambient temperatures. Adjust this value between 0-25°C. Factory setting: 25 E25: Vent level 2 If an extended period of extraction from the building is wanted, it is possible to change to level 2. The fan will now run until another level has been selected. This option is used to set the speed at which the fan should run, when level 2 is selected. Please note that this setting also sets the maximum fan speed when running in level 1. The speed may be set to 0-100%. Factory setting: 100 E26: Vent level 3 If extraction from the building at a specific length of time is required, it is possible to change to level 3. The fan will now run for the set period. Thereafter the system will return to level 2. This menu option is used to specify the speed at which the fans should run when the set period has been chosen. Please note that this setting also sets the maximum fan speed when running in level 1 The speed may be set to 0-100%. Factory setting: 100% E27: Available function. Must at all times be 1. E45: dTair-set Here it is possible to choose minimum cooling of the air, while heating the water. The control will adjust the speed of the fan to make sure the air will be cooled at the exact temperature chosen. In case the control needs to cool the air due to technical reasons, the value will be controlled by the automatic function. When requiring a higher fan speed, the value may be reduced. Remember though, the- fan will run faster, using more energy, if the values are set to low. Factory setting: 1 57 1.4 Factory default schem...
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