Nibe F2040 - Item Register

Temperature and low pressure
sensor
Main components cooling system
Defrosting/Cooling
Tho-D
Tho-S
LPT
20S
Tho-R1
EEV-H
EEV-C
FM01
CM
63H1
BP4
BT3
BT12
EP2
BT15
HS1
Tho-A
Heating
QM36
QM35
Tho-R2
The outdoor unit's shift, outdoor and low pressure
sensor:
If the following conditions are met for 5 seconds
between 2 minutes and 2 minutes and 20 seconds after
compressor start, the compressor stops:
■
Shift temperature: less than -50 °C.
■
Outdoor temperature: less than -30 °C.
■
Low pressure switch: 0 V or less, or 4 V or more.
Hot gas and suction gas sensor:
If the following conditions occur for 5 seconds between
10 minutes and 10 minutes and 20 seconds after
compressor start, the compressor stops.
■
Hot gas temperature: less than -10 °C.
■
Suction gas temperature: less than -50 °C.
Compressor stop with manual reset:
If the above occurs 3 times within 40 minutes, the
compressor stops. Restart by acknowledging the alarm.
Drain pan heater
The drain pan heater is on when these conditions are
met:
■
Operating mode is heating.
■
The compressor is in operation, and more than 30
minutes have passed since the compressor stopped.
■
The outdoor temp. is less than +1 °C (F2040-8) or
+3 °C (F2040-12/16).
NIBE™ F2040Chapter 4 | Description of functions26