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.
Page
59
R1/R2 input settings
R1/R2 input operation mode
[None / Hood / Filter pressure
switches]
R1 logical status
[Normally Open / Normally Closed]
R2 logical status
[Normally Open / Normally Closed]
Hood mode settings
Supply air fan, cotrolled with R1
[-100..100%]
Exhaust air fan, controlled with R1
[-100..100%]
Supply air fan, cotrolled with R2
[-100..100%]
Exhaust air fan, controlled with R2
[-100..100%]
Fan settings
Air supply fan minimum control
[25..100%]
Air supply fan maximum control
[75..100%]
Exhaust air fan minimum control
[25..100%]
Exhaust air fan maximum control
[75..100%]
Max. asymmetry
[10..50%]
Air supply fan stop delay
[0..20min]
Air exhaust fan stop delay
[0..20min]
Min. Outside temperature
Permitted from min. outside temp.
[No/Yes]
Min. outside temperature
[-
30..30ºC]
Hysteresis of min. outside temperature
[0..10 ºC]
Ramp
Ramp operation
[On/Off]
Fan speeds change increment
[0..100%]
Default settings
AHU default settings
[No/Yes]
Exchanger cleaning
Cleaning start time
[0..23h]
Start delay
Start delay
[0..255s]
Modbus settings
Modbus address
[0..200]
Baud rate
[9600/19200/115200]
Number of stop bits
[1 stop bit /2 stop bits]
Parity
[None/Even/Odd]
Modbus activation
[No/Yes]
Parameter edition
[No/Yes]
HRU control
[No/Yes]
Modification disabling
[No/Yes]
Exchanger anti-freezing
Activation or deactivation of the primary air heater outside the defrosting
period
[No/Yes]
Activation threshold for the primary air heater outside the defrosting period
[-
20..20ºC]
Deactivation hysteresis of the primary air heater outside the defrosting period
[0..10ºC]