CIAT FLOWAY ACCESS User Manual

Correlation table with warnings :
#Warning Code Denition
#Code 1 Current limitation
#Code 2 (reserved)
#Code 3 Power limitation
#Code 4 Power output temperature too high
#Code 5 Motor temperature too high
#Code 6 Internal circuit temperature too high
#Code 7 Voltage too low (DC-link)
#Code 8 Slowdown mode
#Code 9 (reserved)
#Code 10 Current speed too low
#Code 11 Cable rupture
#Code 12 (reserved)
#Code 13 Voltage too high (DC-link)
#Code 14 Speed limit exceeded
#Code 15 Supply voltage high
#Code 16 Load shedding function active
Faults
The pressure sensors used for the FMAs are used to detect the presence of the air ow (threshold P111). The PLC triggers a fault if
the ow rate is greater or less than the xed limits.
Flow rate control
110 AHU max ow rate
111 AHU ow rate low limit threshold
Note:
The air ow rate lower limit fault (intake or exhaust) is triggered if the ow rate measurement is less than 50% of the low threshold
(P111) for at least 10 s.
This time lag is extended to 60 s during the DX unit defrosting phase in derated mode (P286 = derated mode)
Minimum ow rates according to the unit model:
P1 P111
Unit model minimum ow rate
1000 Alu 350 m
3
/h
1000 Plastic 350 m
3
/h
2000 Alu 500 m
3
/h
2000 Plastic 500 m
3
/h
3000 Alu 800 m
3
/h
3000 Plastic 700 m
3
/h
5000 Alu 900 m
3
/h
7500 Alu 1400 m
3
/h
Air intake fan
104 Air intake ventilation control
Air extraction fan
106
Multiplication factor value of the signal sent by the air extraction fan with pressure control in the supply
air duct
3.7 - Energy recovery
The unit has a xed-speed wheel recovery unit. This is used to warm fresh air up in winter or cool fresh air down in summer.
The wheel recovery unit operates as follows:
• If the recovery unit heating requirement is greater than 50% with a 50% hysteresis, and the return air temperature is greater
than the fresh air temperature + the di󰀨erence P225 then it operates
• If the recovery unit cooling requirement is greater than 50% with a 50% hysteresis, and the return air temperature is less than
the fresh air temperature - the di󰀨erence P225 then it operates
3 - FEATURES
FLOWAY ACCESS EN-18

CIAT FLOWAY ACCESS Specifications

General

Brand	CIAT
Model	FLOWAY ACCESS
Category	Air Handlers
Language	English