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FLEX
1. “Exit” – return to the user menu window
2. “System PI” – PI coeffi cients of the entire system which defi nes the response to the heating or cooling
2.1. “Kp” – {1–1000}, factory setting 1
2.2. “Ki” – {1–10000}, factory setting 8
3. “Room PI” – coeffi cients for work based on the extracted air
3.1. “Kp” – {1–1000}, factory setting 100
3.2. “Ki” – {1–10000}, factory setting 10
4. “Heater PI” – electric heating coeffi cients
4.1. “Kp” – {1–1000}, factory setting 30
4.2. “Ki” – {1–10000}, factory setting 10
5. “Bypass/Rotor PI” – coeffi cients of the bypass valves or rotor
5.1. “Kp” – {1–1000}, factory setting 10
5.2. “Ki” – {1–10000}, factory setting 10
6. “Chiller PI” – coeffi cients of the cooler
6.1. “Kp” – {1–1000}, factory setting 10
6.2. “Ki” – {1–10000}, factory setting 10
7. “PreHeat PI” – coeffi cients of the preheater
7.1. “Kp” – {1–1000}, factory setting 30
7.2. “Ki” – {1–10000}, factory setting 10
8. “Night Control” – night cooling settings. Feature will be activated when the “day T>” limit is exceeded for
the working unit, and when temperature drops below “NightT>” and the room temperature stays above
“Room T>” after switching off the unit.
8.1. “day T>” – {15–40}°C maximum ambient air temperature, factory setting 26°C
8.2. “Night T>” – {0–15}°C minimum ambient air temperature, factory setting 16 °C
8.3. “Room T>” – {10–30}°C room air temperature, factory setting 17°C
8.4. “Exercise” – {0–5 } h. Period for blowing, measuring. If the setting is “0”, ambient air sensor should
exit outdoors, factory setting 3h
9. “Watt. heater” – temperature settings of the water heater
9.1. “Watter crit” – {“Watter stop” + 5, 20}°C The limit from which the temperature of the return water is
forced to be increased, factory setting 10°C
9.2. “Watter stop” – {-10 “Watter crit” -5}°C The limit at which fans are stopped, factory setting 5°C
9.3. “Pump stop” – {10–30}min. Time after which the water pump is switched off if there is no need for
heating, factory setting 10min
9.4. “Pump exerc.” – {0–5}h. The period for preventive start of the water pump for “Pump stop” time,
factory setting 10h
10. “Actuator settings” – select the basic settings of the unit
10.1. “Heater” – {E_On/Off, E_0_10, E_ESKM, W_VAL+-, W_0_10}, factory setting depends on the type
of the unit
E_On/Off – the electric heater is On/Off controlled using the relay
E_0_10 – the electric heater is controlled using 0–10 V output
E_ESKM – TRIAC control of the electric heater
W_VAL+ - Control of the three-position actuator of the water heater
W_0_10 – Control of the 0–10 V actuator of the water heater
“Menu” → “Advanced” → “Service” additional settings from the controlled recuperator, enter the password
4444.
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