Nibe ACVM 270, Инструкция по установке и обслуживанию

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May be due to Description Alarm text on the dis-
play Alarm
no.
- Low flow in heating operation Too high temperature out from the condenser. High KF 6
- Too high set temperatures Occurs if alarm 71 occurs 3 times within an hour.
- Low flow during defrost Anti-freeze of heat exchanger. Anti freeze HX 7
- Abnormally low temperature in the climate
system Occurs if alarm 72 occurs 3 times within an hour.
- Low flow during defrost Occurs if the alarm 77 occurs 10 times in succes-
sion. Defrosting interrupted 14
- Abnormally low temperature in the climate
system
- Lack of refrigerant or leak
- Indoor unit and outdoor unit not compatible
with each other.
Indoor unit and outdoor unit do not communic-
ate with each other. OU not compatible 15
- Low flow during defrost Occurs if the alarm 78 occurs 10 times in succes-
sion. Defrosting interrupted 16
- Open-circuit or short-circuit on sensor input Sensor fault, high pressure (BP4). S. fault HP 31
- Sensor does not work
- Open-circuit or short-circuit on sensor input
Sensor fault, cond out (BT12). Sensor fault KF 32
- Sensor does not work (see "Temperature
sensor" section)
- Open-circuit or short-circuit on sensor input
Sensor fault, liquid line (BT15). S. fault Liquid line 33
- Sensor does not work (see "Temperature
sensor" section)
AMS 10 alarm
The following alarms block AMS 10. Addition runs at min permitted supply temperature.
May be due to Description Alarm text on the dis-
play Alarm
no.
- Any isolator switches for AMS 10 off Communication between the outdoor unit and
ACVM 270 is broken. There must be 22 volt
direct current (DC) at the switch CNW2 on the
control board (PWB1). OU Com. error E5
- Incorrect cable routing
- Sensor does not work (see "Temperature
sensor" section) Temperature deviation on the heat exchanger
sensor (Tho-R1/R2) five times within 60 minutes
or for 60 minutes continuously. High HX temp E35
- Insufficient air circulation or blocked heat ex-
changer
- Defective control board in AMS 10
- Too much refrigerant
- Sensor does not work (see "Temperature
sensor" section)
Temperature deviation on the hot gas sensor
(Tho-D) twice within 60 minutes or for 60
minutes continuously. Permanent Hotgas E36
- Insufficient air circulation or blocked heat ex-
changer
- If the fault persists during cooling, there may
be an insufficient amount of refrigerant.
- Defective control board in AMS 10
- Open-circuit or short-circuit on sensor input
Sensor fault, heat exchanger in AMS 10 (Tho-
R). Sensor fault Tho-R E37
- Sensor does not work (see "Temperature
sensor" section)
- Defective control board in AMS 10
NIBE™ SPLIT ACVM 270 62
Miscellaneous
Alarm list