Vaillant VAI 2-050 WN, VAI 2-025 WN, VAI 2-035 WN User Manual
WALL MOUNTED UNITS
DMJNB7"*3
Technical Dossier
WALL MOUNTED UNITS
VAI 2-025 WN
VAI 2-035 WN
VAI 2-050 WN
VAI 2-065 WN
2010
ENG
1- CONTENTS
1- CONTENTS ............................................................................................................................... 2
2- TECHNICAL SPECIFICATIONS .....................................................................................................
3- TEMPERATURE BY CAPACITIES .................................................................................................. 5
4- WIRING DIAGRAMS ................................................................................................................... 9
5- ERROR CODES .........................................................................................................................12
6- FLOW CHART OF DIAGNOSIS AND SOLUTIONS ..........................................................................13
7- PCB EXPLANATION ...................................................................................................................16
7.1- Abbreviation ............................................................................................................................... 16
7.2- Display function .......................................................................................................................... 16
7.3- Protection ................................................................................................................................... 16
7.4- Fan-only mode ............................................................................................................................ 17
7.5- Cooling mode .............................................................................................................................. 18
7.6- Drying mode ............................................................................................................................... 19
7.7- Heating mode ............................................................................................................................. 19
7.8- Auto mode function ..................................................................................................................... 22
7.9- Forced operation function............................................................................................................ 22
7.10- Action of 4-way valve .................................................................................................................. 22
7.11- Two speeds outdoor fan function ................................................................................................. 23
7.12- Timer function ............................................................................................................................. 23
7.13- Sleep function mode ................................................................................................................... 23
7.14- Mode conflict .............................................................................................................................. 24
7.15- Auto-restart function ................................................................................................................... 24
7.16- Ionizer/plasma dust collector function (optional)......................................................................... 24
7.17- Outdoor chassis heating cable (optional) ..................................................................................... 24
3
ENG
2
2- TECHNICAL SPECIFICATIONS
Model
Indoor unit
Outdoor unit
Power supply V/Ph/Hz
kW
Cooling capacity
Power input kW
Min-Max cooling capacity kW
Min-Max cooling power input kW
Nominal capacity (UK condit.) kW
Power input (UK conditions) kW
Operating current A
EER
Energy level class
Annual consumption kWh
Heating capacity
Power input kW
Min-Max heating capacity kW
Min-Max heating power input kW
Nominal capacity (UK condit) kW
Power input (UK conditions) kW
Operating current A
COP
Energy level class
Max power input kW
Max operating current A
INDOOR UNIT
Air flow volume m3/h
Remote control type
Remote control reference
Sound power level dB(A)
Sound pressure level dB(A)
Testing conditions for sound pressure
Dimensions HxLxD mm
Net weight Kg
Packaged dimensions HxLxD mm
Volume
Packaged weigth
BTU
Fg/h
kW
BTU
Kcal/h
VAI 2-025 WN VAI 2-035 WN VAI 2-050 WN VAI 2-065 WN
VAI 2-025 WNI VAI 2-035 WNI VAI 2-050 WNI VAI 2-065 WNI
VAI 2-025 WNO VAI 2-035 WNO VAI 2-050 WNO VAI 2-065 WNO
230/1/50
2,60 3,50 5,00 6,70
8.873 11.945 17.064 22.866
2.236 3.010 4.300 5.762
0,65 0,97 1,55 2,09
0.9-3.3 1.1-4.3 1.5-6.4 3.5-7.3
0.3-1.1 0.4-1.48 0.38-2.3 0.82-2.5
2,56 3,45 4,93 6,61
0,52 0,78 1,24 1,67
2,90 4,30 6,90 9,40
4,00 3,61 3,23 3,21
A A A A
325 485 775 1.045
2,90 3,80 5,10 7,35
9.897 12.969 17.405 25.084
2.494 3.268 4.386 6.321
0,68 0,99 1,41 2,03
1.0-3.6 1.2-4.4 1.6-6.7 3.2-7.9
0.31-1.15 0.39-1.46 0.35-2.1 0.8-2.7
2,41 3,15 4,23 6,08
0,59 0,85 1,23 1,77
3,00 4,20 6,40 9,10
4,26 3,84 3,62 3,62
A A A A
1,61 1,95 2,76 2,70
7 9 12 15
250/300/500 310/450/580 570/800/850 820/980/1080
Infrared Infrared Infrared Infrared
RG19B/E (white) RG19B/E (white) RG19B/E (white) RG19B/E (white)
40/45/51 41/47/52 49/52/56 53/57/60
25/31/37 26/33/38 31/38/42 35/42/45
265 x 790 x 200 265 x 790 x 200 295 x 920 x 225 325 x 1000 x 235
8.5 8.5 11.5 16.5
335 x 875 x 265 335 x 875 x 265 368 x 1015 x 295 400 x 1080 x 320
0,078 0,078 0,110 0,138
10,5 10,5 15,0 19,0
ENG
3
2- TECHNICAL SPECIFICATIONS
VAI 2-025 WN VAI 2-035 WN VAI 2-050 WN VAI 2-065 WN
OUTDOOR UNIT
Air flow volume m3/h
Sound power level dB(A)
Sound pressure dB(A)
Number of fans
Refrigerant
Refrigerant charge heat pump gr
Inverter DC / AC
Compressor type
Compressor Model
Compressor Brand
Expansion system
Electric_electronic protections
Dimensions HxLxD mm
Dimensions Valves A/B/C mm
Dimensions Installation I/J mm
Net weight Kg
Packaged dimensions HxLxD mm
Volume
Packaged weight heat pump Kg
INSTALLATION
Pipe connection liq/gas inches
PM (Max pressure) bar
pm (min pressure) bar
Max. Piping length m
Max. Height IU under OU m
Max. Height OU under IU m
Chargeless length m
Additional charge per meter gr
1060/1800 1060/1800 1360/2200 2000/2700
60 62 64 66
50 50 53 53
1 1 1 1
R410A R410A R410A R410A
1100 1100 1180 1950
Inverter DC Inverter DC Inverter DC Inverter DC
ROTARY ROTARY Rotary ROTARY
DA108X1C-20FZ3 DA108X1C-20FZ3 DA130S1C-20FZ DA150S1C-20FZ
TOSHIBA TOSHIBA Toshiba TOSHIBA
Capillary Capillary Capillary Capillary
Voltage,current, pressure,temperture,communication protection
600 x 760 x 285 600 x 760 x 285 600 x 760 x 285 695 x 845 x 315
60/60/145 60/60/145 60/60/145 60/60/280
290/530 290/530 290/530 335/560
38,0 38,0 39,5 52,0
655 x 887 x 355 655 x 887 x 355 655 x 887 x 355 770 x 970 x 400
0,206 0,206 0,206 0,299
40,5 40,5 42,0 57,0
1/4’’ - 3/8’’ 1/4’’ - 3/8’’ 1/4’’ - 1/2’’ 3/8” - 5/8”
42 42 42 42
15 15 15 15
20 20 25 25
10 10 10 10
10 10 10 10
7,5 7,5 7,5 7,5
20 20 20 20
ENG
4
3- TEMPERATURE BY CAPACITIES
3.1 VAI 2-025 WN
COOLING
Indoor Conditions 21ºC 25ºC 30ºC 35ºC 40ºC 45ºC 50ºC
Total capacity kW 2,64 2,55 2,44 2,32 2,21 2,08 1,91
21ºC D
15ºC W
24ºC D
17ºC W
27ºC D
19ºC W
32ºC D
23ºC W
Sensitive capacity kW 2,11 2,04 1,95 1,86 1,76 1,67 1,53
Input kW. 0,53 0,54 0,54 0,55 0,56 0,57 0,66
Total capacity kW 2,80 2,71 2,60 2,47 2,35 2,22 2,03
Sensitive capacity kW 2,24 2,17 2,08 1,98 1,88 1,77 1,62
Input kW. 0,58 0,59 0,60 0,61 0,61 0,62 0,73
Total capacity kW 2,95 2,85 2,74 2,60 2,47 2,33 2,14
Sensitive capacity kW
Input kW. 0,62 0,63 0,64 0,65 0,66 0,67 0,78
Total capacity kW 3,31 3,20 3,06 2,91 2,77 2,61 2,39
Sensitive capacity kW 2,64 2,56 2,45 2,33 2,21 2,09 1,91
Input kW. 0,71 0,72 0,73 0,74 0,75 0,76 0,89
OUTDOOR TEMPERATURE DRY
2,36 2,28 2,19 2,08 1,98 1,87 1,71
HEATING OUTDOOR CONDITIONS
Indoor Conditions
Capacity kW 2,78 3,73 3,19 2,52 2,06 1,93 1,57 0,67
15ºC
Input kW. 0,75 0,90 0,73 0,66 0,62 0,61 0,61 0,53
Capacity kW 2,65 3,56 3,05 2,40 1,97 1,84 1,50 0,64
18ºC
Input kW. 0,72 0,87 0,71 0,63 0,60 0,59 0,59 0,51
Capacity kW 2,52 3,39 2,90 2,29 1,87 1,76 1,43 0,61
20ºC
Input kW. 0,69 0,84 0,68 0,61 0,57 0,57 0,56 0,49
Capacity kW 2,42 3,26 2,78 2,20 1,80 1,69 1,37 0,58
22ºC
Input kW. 0,60 0,80 0,69 0,62 0,58 0,57 0,57 0,50
Capacity kW 2,20 2,95 2,52 1,99 1,63 1,53 1,24 0,53
27ºC
Input kW. 0,73 0,88 0,72 0,64 0,60 0,60 0,59 0,52
24ºC D
18ºC W
12ºC D
11ºC W
7ºC D
6ºC W”
4ºC D
3ºC W
0ºC D
-1ºC W
-5ºC D
-6ºC W
-7ºC D
-8ºC W”
-15ºC D
-16ºC W”
ENG
5
3- TEMPERATURE BY CAPACITIES
ENG
COOLING
Indoor Conditions 21ºC 25ºC 30ºC 35ºC 40ºC 45ºC 50ºC
Total capacity kW 3,55 3,43 3,29 3,13 2,97 2,81 2,57
21ºC D
15ºC W
24ºC D
17ºC W
27ºC D
19ºC W
32ºC D
23ºC W
Sensitive capacity kW 2,84 2,75 2,63 2,50 2,38 2,25 2,06
Input kW. 0,37 0,61 0,75 0,91 1,02 1,03 1,04
Total capacity kW 3,77 3,65 3,50 3,33 3,16 2,99 2,73
Sensitive capacity kW 3,02 2,92 2,80 2,66 2,53 2,39 2,19
Input kW. 0,38 0,63 0,77 0,94 1,05 1,06 1,07
Total capacity kW 3,97 3,84 3,68 3,50 3,33 3,14 2,88
Sensitive capacity kW
Input kW. 0,39 0,65 0,79 0,97 1,09 1,10 1,11
Total capacity kW 4,45 4,30 4,12 3,92 3,72 3,52 3,22
Sensitive capacity kW 3,56 3,44 3,30 3,14 2,98 2,82 2,58
Input kW. 0,44 0,72 0,88 1,07 1,20 1,21 1,22
OUTDOOR TEMPERATURE DRY
3,18 3,07 2,95 2,80 2,66 2,51 2,30
HEATING OUTDOOR CONDITIONS
Indoor Conditions
Capacity kW 3,86 4,32 4,18 3,45 3,24 2,93 2,65 1,25
15ºC
Input kW. 0,35 0,74 1,07 1,08 0,96 0,78 0,73 0,55
Capacity kW 3,68 4,12 3,99 3,29 3,09 2,79 2,53 1,20
18ºC
Input kW. 0,34 0,71 1,03 1,04 0,93 0,75 0,70 0,53
Capacity kW 3,51 3,93 3,80 3,13 2,94 2,66 2,41 1,14
20ºC
Input kW. 0,33 0,68 0,99 1,00 0,89 0,73 0,68 0,51
Capacity kW 3,37 3,77 3,65 3,01 2,83 2,55 2,32 1,09
22ºC
Input kW. 0,33 0,69 1,00 1,01 0,90 0,73 0,68 0,51
Capacity kW 3,05 3,42 3,31 2,73 2,56 2,31 2,10 0,99
27ºC
Input kW. 0,33 0,70 1,01 1,02 0,91 0,74 0,69 0,52
24ºC D
18ºC W
12ºC D
11ºC W
7ºC D
6ºC W”
4ºC D
3ºC W
0ºC D
-1ºC W
-5ºC D
-6ºC W
-7ºC D
-8ºC W”
-15ºC D
-16ºC W”
6
3- TEMPERATURE BY CAPACITIES
3.3 VAI 2-050 WN
COOLING
Indoor Conditions 21ºC 25ºC 30ºC 35ºC 40ºC 45ºC 50ºC
Total capacity kW 5,07 4,90 4,70 4,47 4,24 4,01 3,67
21ºC D
15ºC W
24ºC D
17ºC W
27ºC D
19ºC W
32ºC D
23ºC W
Sensitive capacity kW 4,05 3,92 3,76 3,57 3,39 3,21 2,94
Input kW. 0,59 0,98 1,19 1,46 1,63 1,65 1,66
Total capacity kW 5,39 5,22 5,00 4,75 4,51 4,27 3,90
Sensitive capacity kW 4,31 4,17 4,00 3,80 3,61 3,41 3,12
Input kW. 0,61 1,01 1,23 1,50 1,68 1,70 1,72
Total capacity kW 5,68 5,49 5,26 5,00 4,75 4,49 4,11
Sensitive capacity kW
Input kW. 0,63 1,04 1,27 1,55 1,74 1,75 1,77
Total capacity kW 6,36 6,15 5,89 5,60 5,32 5,03 4,60
Sensitive capacity kW 5,08 4,92 4,71 4,48 4,26 4,02 3,68
Input kW. 0,70 1,15 1,40 1,71 1,92 1,93 1,95
OUTDOOR TEMPERATURE DRY
4,54 4,39 4,21 4,00 3,80 3,59 3,29
HEATING OUTDOOR CONDITIONS
Indoor Conditions
Capacity kW 5,18 5,80 5,61 4,63 4,35 3,93 3,56 1,68
15ºC
Input kW. 0,50 1,05 1,52 1,54 1,37 1,12 1,04 0,78
Capacity kW 4,94 5,53 5,36 4,42 4,15 3,75 3,40 1,61
18ºC
Input kW. 0,48 1,01 1,46 1,48 1,32 1,07 1,00 0,75
Capacity kW 4,70 5,27 5,10 4,21 3,95 3,57 3,24 1,53
20ºC
Input kW. 0,47 0,97 1,41 1,42 1,27 1,03 0,96 0,72
Capacity kW 4,52 5,06 4,90 4,04 3,79 3,43 3,11 1,47
22ºC
Input kW. 0,47 0,98 1,42 1,44 1,28 1,04 0,97 0,73
Capacity kW 4,09 4,58 4,44 3,66 3,44 3,11 2,82 1,33
27ºC
Input kW. 0,48 1,00 1,44 1,46 1,30 1,06 0,99 0,74
24ºC D
18ºC W
12ºC D
11ºC W
7ºC D
6ºC W”
4ºC D
3ºC W
0ºC D
-1ºC W
-5ºC D
-6ºC W
-7ºC D
-8ºC W”
-15ºC D
-16ºC W”
ENG
7
3- TEMPERATURE BY CAPACITIES
3.3 VAI 2-065 WN
ENG
COOLING
Indoor Conditions 21ºC 25ºC 30ºC 35ºC 40ºC 45ºC 50ºC
Total capacity kW 6,79 6,57 6,29 5,98 5,68 5,37 4,92
21ºC D
15ºC W
24ºC D
17ºC W
27ºC D
19ºC W
32ºC D
23ºC W
Sensitive capacity kW 5,43 5,26 5,04 4,79 4,55 4,30 3,93
Input kW. 0,80 1,32 1,61 1,96 2,20 2,22 2,24
Total capacity kW 7,22 6,99 6,70 6,37 6,05 5,72 5,23
Sensitive capacity kW 5,78 5,59 5,36 5,09 4,84 4,57 4,19
Input kW. 0,82 1,36 1,66 2,03 2,27 2,29 2,31
Total capacity kW 7,60 7,36 7,05 6,70 6,37 6,02 5,51
Sensitive capacity kW
Input kW. 0,85 1,40 1,71 2,09 2,34 2,36 2,39
Total capacity kW 8,52 8,24 7,89 7,50 7,13 6,74 6,17
Sensitive capacity kW 6,81 6,59 6,32 6,00 5,70 5,39 4,93
Input kW. 0,94 1,55 1,89 2,31 2,58 2,61 2,63
OUTDOOR TEMPERATURE DRY
6,08 5,89 5,64 5,36 5,09 4,81 4,41
HEATING OUTDOOR CONDITIONS
Indoor Conditions
Capacity kW 7,44 8,33 8,06 6,65 6,25 5,64 5,12 2,42
15ºC
Input kW. 0,72 1,51 2,19 2,21 1,97 1,61 1,50 1,12
Capacity kW 7,10 7,95 7,70 6,35 5,96 5,39 4,89 2,31
18ºC
Input kW. 0,70 1,45 2,11 2,13 1,90 1,55 1,44 1,08
Capacity kW 6,76 7,57 7,35 6,05 5,68 5,13 4,65 2,20
20ºC
Input kW. 0,67 1,40 2,03 2,05 1,83 1,49 1,39 1,04
Capacity kW 6,49 7,27 7,04 5,80 5,45 4,93 4,47 2,11
22ºC
Input kW. 0,68 1,42 2,05 2,07 1,85 1,50 1,40 1,05
Capacity kW 5,88 6,59 6,38 5,26 4,94 4,46 4,05 1,91
27ºC
Input kW. 0,69 1,43 2,08 2,10 1,87 1,52 1,42 1,07
24ºC D
18ºC W
12ºC D
11ºC W
7ºC D
6ºC W”
4ºC D
3ºC W
0ºC D
-1ºC W
-5ºC D
-6ºC W
-7ºC D
-8ºC W”
-15ºC D
-16ºC W”
8
4- WIRING DIAGRAMS
4.1 Indoor unit 025/035
4.2 Indoor unit 050
ENG
9
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