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
31
5.6.6
List of controller inputs and outputs
Digital inputs:
•
DIN1
(R1)
–
the first threshold of air flow demand, forced from an external sensor (potential-free NO contact)
/ supply filter pressure switch
•
DIN2
(R2)
–
the second threshold of air flow demand, forced from an external sensor (potential-free NO
contact) / exhaust filter pressure switch
•
DIN3
(SAP)
–
signal input from the FIRE control unit (potential-free NC contact)
•
DIN4
(ECO)
–
signal input from the alarm control unit (potential-free NO contact)
•
DIN5
(TR1)
–
pre-heater thermostat (NC)
•
DIN6
(TR2)
–
reheater thermostat (NC)
Temperature inputs (NTC 10K sensors):
•
T1
–
air intake temperature
•
T3
–
air supply temperature
•
T4
–
air exhaust temperature
•
T5
–
exhaust vent temperature
•
T6
–
GHE temperature
Analogue inputs*
•
T7
–
(Q1A)
–
air quality sensor (CO
2
or RH), analogue with 0-10 V output
•
T8*
–
(Q1B)
–
air quality sensor (CO
2
or RH), binary with potential-free output (NO)
•
AIN1
- supply fan pressure measurement
•
AIN2
- exhaust fan pressure measurement
Digital outputs:
•
OUT1
(W1)
–
supply fan ( max. 750W), 230 V output
•
OUT2
(W2)
–
exhaust fan (max. 750W), 230 V output
•
OUT3
(N1)
–
pre-heater (if the heater power exceeds 1000 W, supply only the contactor coil), 230 V output
•
OUT4
(N2)
–
reheater (if the heater power exceeds 1000 W, supply only the contactor coil), 230 V output
•
OUT5
(GHE)
–
ground-air heat exchanger actuator, 230 V output
•
OUT6
(SBP1)
–
exchanger bypass actuator, supply duct, 230 V output
•
OUT7
(SBP2)
–
exchanger bypass actuator, extraction duct, 230 V output
•
REL1
(RESERVE 1)
–
potential-free changeover (NO/NC) contact
–
default cooling function
•
REL2
(RESERVE 3)
–
potential-free changeover (NO/NC) contact
•
REL3
(OPERATION)
–
potential-free contact (NO)
•
REL4
(FAILURE)
–
potential-free contact (NO)
•
REL5
(RESERVE 2)
–
potential-free contact (NO)
–
default heating function
Analogue outputs:
•
AOUT1
(N2)
–
primary air heater, three-way valve (0-10 V)
•
AOUT2
(SBP1)
–
exchanger bypass actuator, supply air duct (0-10 V)
•
AOUT3
(SM1)
–
mixing box actuator (0-10 V)
•
AOUT4
(CH)
–
water cooler, three-way valve (0-10 V)
•
AOUT5/PWM
(W1)
–
supply air fan control (0-10 V, PWM);
•
AOUT6/PWM
(W2)
–
exhaust air fan control (0-10 V, PWM)
Transmission channels:
•
COM1
–
connection of the FraNET internet module
•
COM2
–
transmission socket for additional expansion modules (RS485)
•
COM3 ISO
(BMS
)
–
external communication port (isolated RS485 and SGND)
•
PANEL
–
control panel (power 12VDC)
*the input configured as a digital one for the operation of a binary sensor, with NO potential-free output
