Operation and Maintenance Manual, OnyX Sky Heat Recovery Units, 2022/01
Frapol Sp. z o.o. reserves the right to introduce changes without any prior notice.
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44
The controller has two mains screens: a data screen that shows values of the basic parameters, and a screen with automation
diagram. Use the buttons (2) and (5) to switch between the screens.
Data screen
Automation diagram screen
1. Adjustment mode: OPERATION, OPERATION-Heating,
OPERATION-Cooling, Defrosting, Exchanger Cleaning,
Ventilation.
12. GHE (Ground-air heat exchanger) temperature and
GHE (ground-air heat exchanger) actuator position:
- OFF,
- ON.
2. Supply set temperature.
13. Air intake.
3. Supply measured temperature.
14. Air intake temperature (external).
4. Supply air flow.
15. Information field:
ALARM!
–
signalling active alarms;
–
primary air heater operation;
–
reheater operation;
–
cooler operation.
5. Exhaust air flow.
16. Bypass actuator position 1.
6. Information field for measured temperatures.
17. Mixer box actuator position.
7. Day of the week and time.
18. Exhaust air temperature.
8. Main modes: Downtime, Mode 1...4 (U1...4).
19. Exhaust (extraction).
9. Active positive pressure function.
20. Air supply.
10. Exhaust vent temperature.
21. Air supply temperature.
11. Exhaust vent.
22. Bypass actuator position 2.
