Nibe F2040 Technical Manual

Table of Contents
31 Important information
3Document information
3Safety information
3Symbols
3Marking
4Serial number
5Contact information
62 The heat pump design
6General
6F2040-8
7F2040-12
8F2040-16
10List of components F2040-8, -12, -16
11Electrical connection
143 System description
14Principle of operation
15Sensor internal
16System diagram
16System principle Docking
174 Description of functions
17Compressor operation
17Max speed
17Min speed
18The compressor's speed change
18Compressor start
18Start procedure for the compressor
19Fan speed
19Cooling mode
20Heating mode
21Expansion valves (EEV)
21Cooling mode
21Heating mode
21Defrosting
21Start conditions for defrosting
22Conditions during defrosting
22Conditions for stopping defrosting
23
Conditions when defrosting is stopped by a pro-
tective function
23Oil return
24Compressor protection
24Hot gas temperature
24High pressure control
24Low pressure control
25Inverter
26Temperature and low pressure sensor
26Main components cooling system
26Drain pan heater
28Pump down function
28Indoor unit VVM 310 / VVM 320 / VVM 500
28F2040
30Silent mode
315 Component description
31Compressor (GQ10)
324-way valve
324-way valve
334-way valve function
34Circuit board
34Control board (PWB1)
36Inverter (PWB2)
37Suppressor filter (PWB3)
38Communication board (AA23)
39Expansion valve
39Other components
40Sensors
40Data for temperature sensor in F2040
40
Data for return line temperature sensor (BT3),
condensor supply (BT12) and fluid pipe (BT15)
41Reference designation
42Settings DIP Switch
428kW
4512 kW and 16 kW
476 Troubleshooting
47Disturbances in comfort
47Basic actions
47
Low hot water temperature or a lack of hot wa-
ter
47Low room temperature
47High room temperature
47F2040 is not operational
47F2040 does not communicate
47Alarm list
47Acknowledging alarms
48F2040 alarm
52Troubleshooting guide
52
3 - Sensor fault BT3, 12 - Sensor fault BT12, 15 -
Sensor fault BT15
53162 - High condenser out
54220 - HP alarm
55221 - LP alarm
57223 - OU com error
58224 - Fan alarm
59230 - Perm. high hot gas
60261 - High HWX temp
61263 - Inverter error
62264 - Inverter error
63265 - Inverter error
65266 - Insufficient refrigerant
1Table of Contents |NIBE™ F2040

Nibe F2040 Specifications

General

Type	Air/water heat pump
Refrigerant	R410A
Operating Temperature Range Heating	-20°C to 35°C
Operating Temperature Range Cooling	10°C to 46°C
Sound Power Level	56-62 dB(A) (depending on model)