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AIT L Split Series, Руководство по эксплуатации

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Subject to change without notice  |  83019600bUK – Translation of the original operating manual |  ait-deutschland GmbH

11.3 

Technical specifications 

L…Split

Outdoor module

L6 Split

L8 Split

L12 Split

Output data according to EN 14511 ΔT5K

Outdoor

temp./ Supply

temp.

Heating

Capacity / power input / COP (kW/kW/-)

at nominal flow

7/35 °C 

(floor)

2,67/0,5/4,85

3,86/0,83/4,65

5,21/1,09/4,78

2/35 °C 

 

(floor)

2,32/0,55/4,2

5,11/1,36/3,76

6,91/1,79/3,86

-7/35 °C 

 

(floor)

4,60/1,79/2,57

6,60/2,46/2,68

9,00/3,27/2,75

7/45 °C

2,28/0,63/3,62

3,70/1,00/3,70

5,00/1,31/3,82

2/45 °C

1,93/0,67/2,88

5,03/1,70/2,96

6,80/2,24/3,04

Cooling

Capacity / Power input / EER (kW/kW/-)

at maximum flow

27/7 °C

5,87/1,65/3,56

7,52/2,37/3,17

9,87/3,16/3,13

27/18 °C

7,98/1,77/4,52

11,20/3,20/3,50

11,70/3,32/3,52

35/7 °C

4,86/1,86/2,61

7,10/2,65/2,68

9,45/3,41/2,77

35/18 °C

7,03/2,03/3,45

9,19/2,98/3,08

11,20/3,58/3,12

Electrical data
Rated voltage

230V 50 Hz, 230V 2WS 50 Hz

Max. current

A

rms

15

16

23

Recommended fuse rating

A

rms

16

16

25

Starting current

A

rms

5

Max fan flow (heating, nominal)

m³/h

2 530

3 000

4 380

Fan rating

W

50

86

Drain pan heater (integrated)

W

110

100

120

Defrosting

Reverse cycle

Enclosure class

IP24

Refrigerant circuit
Type of refrigerant

R410A

GWP refrigerant

2 088

Compressor

Twin Rotary

Refrigerant quantity

kg

1,5

2,55

2,90

CO

2

-equivalent

t

3,13

5,32

6,06

Cut-out value, pressure switch, high pressure

MPa (Bar)

-

4,15 (41,5)

Breaking value high pressure

MPa (Bar)

4,15 (41,5)

Cut-out value, pressure switch, lowpressure 

(15 s)

MPa (Bar)

-

0,079 MPa (0,79)

Max. length, refrigerant pipe, one way

m

30*

Max height difference, refrigerant pipe

m

7

Dimensions, refrigerant pipe

Gas pipe: OD12,7 (1/2")

Fluid pipe: OD6,35 (1/4")

Gas pipe: OD15,88 (5/8")

Fluid pipe: OD9,52 (3/8")

Pipe connections
Pipe connection option

Right-hand side Right-hand side

Right /bottom /reverse

Pipe connections

Flare

* L6 Split: If the length of the refrigerant pipes exceeds 15 m, extra refrigerant must be added at a rate of 0.02 kg/m.
  L8 Split, L12 Split: If the length of the refrigerant pipes exceeds 15 metres, extra refrigerant must be added at a rate of 0.06 kg/m.

Содержание L Split Series

Страница 1: ...UK 83019600bUK Translation of the original operating manual Air Water Heat Pumps Outdoor installation Operating Manual L Split series ...

Страница 2: ...2 Assembly 10 2 3 Removing the covers 15 3 The heat pump design 16 3 1 List of components L Split 17 3 2 Electrical panel 18 3 3 Sensor 19 4 Pipe connections 21 5 Electrical connections 21 5 1 General 21 5 2 Electrical components 22 5 3 Accessibility electrical connection 22 5 4 Connections 23 6 Commissioning and adjusting 24 7 Control Heat pump 24 8 Disturbances in comfort 25 9 Accessories 25 10 ...

Страница 3: ... be left with the customer 1 2 Personnel qualifications All instructional information in this operating manual is solely directed at qualified skilled personnel Only qualified skilled personnel are able to carry out the work on the unit safety and correctly Interference by unqualified personnel can cause life threatening injuries and damage to property Ensure that the personnel are familiar with t...

Страница 4: ... If parts other than those stated by us are used water leaks electric shocks fire and personal injury may occur as the unit may not work properly Ventilate the working area well refrigerant leak age may occur during service work If the refrigerant comes into contact with naked flames poisonous gas is created Install the unit in a location with good support Unsuitable installation locations can cau...

Страница 5: ...takes of salty air Locations where large amounts of snow occur Locations where the system is exposed to chim ney smoke Check after completed installation or service that no refrigerant leaks from the system in gas form If refrigerant gas leaks into the house and comes into contact with an aerotemp an oven or oth er hot surface poisonous gases are produced Switch off the compressor before opening b...

Страница 6: ...ture damage on the roof floor furni ture and valuable personal property Do not install the outdoor unit in a location where insects and small animals can inhabit Insects and small animals can enter the electronic parts and cause damage and fire Instruct the user to keep the surrounding equipment clean Take care when carrying the unit by hand If the unit weights more than 20 kg it must be carried b...

Страница 7: ...hich is not covered by the guarantee Checking grilles and bottom panel on L Split Check that the inlet grille is not clogged by leaves snow or anything else regularly throughout the year You should be vigilant during windy conditions and or in the event of snow as the grilles can become blocked Also check that the drain holes in the bottom panel three are free from dirt and leaves Regularly check ...

Страница 8: ...sure is also an affecting factor Also remember Open the thermostat valves completely except in the rooms that are to be kept cooler for various reasons e g bedrooms The thermostats slow the flow in the heating system which the heat pump wants to compensate with increased tem peratures It then works harder and consumes more electrical energy Reduce or adjust the settings for heating in any external...

Страница 9: ...e o Pressurization test o Leak testing o End pressure vacuum o Pipe insulation o Electrical installation Notes Checked Property s main fuse o Group fuse o Load monitor current sen sor Connects to indoor mod ule control module o KWS o When installing L6 Split HSV Split 6 check that the software ver sion of the indoor module control module is at least v8320 o Cooling Notes Checked Pipe system conden...

Страница 10: ... be positioned next to noise sensitive walls for example next to a bed room Also ensure that the placement does not incon venience the neighbours L Split must not be placed so that recirculation of the outdoor air can occur This causes lower output and impaired efficiency The evaporator should be sheltered from direct wind which negatively affects the defrosting func tion Place L Split protected f...

Страница 11: ...the product is removed in reverse order Lift by the bottom panel instead of a pallet Condensation run off Condensation runs out on to the ground below L Split To avoid damage to the house and heat pump the condensation must be gathered and drained away NOTE It is important to the heat pump func tion that condensation water is led away and that the drain for the conden sation water run off is not p...

Страница 12: ...doors 1 Joint 2 Water seal The condensation water is lead to an indoor drain subject to local rules and regulations Route the pipe downward from the air water heat pump The condensation water pipe must have a water seal to prevent air circulation in the pipe KWS spliced as illustrated Pipe routing inside house not included Stone caisson 1 Frost proof depth If the house has a cellar the stone caiss...

Страница 13: ...al 3 Water seal 4 Frost free depth The outlet of the condensation water pipe must be at frost free depth Route the pipe downward from the air water heat pump The condensation water pipe must have a water seal to prevent air circulation in the pipe The installation length can be adjusted by the size of the water seal CAUTION If none of the recommended alterna tives is used good lead off of conden s...

Страница 14: ...it and the house wall must be at least 15 cm Clearance above L Split should be at least 100 cm However free space in front must be 100 cm for future servicing 1 Free space behind 2 Minimum distance during use of several L Split 3 However the free space in front must be 100 cm for future servicing 4 Minimum distance during use of several L Split 30 cm 100 cm 30 cm 15 cm ...

Страница 15: ...15 Subject to change without notice 83019600bUK Translation of the original operating manual ait deutschland GmbH 2 3 Removing the covers L6 Split L8 Split L12 Split ...

Страница 16: ...16 Subject to change without notice 83019600bUK Translation of the original operating manual ait deutschland GmbH 3 The heat pump design Component locations L6 Split Component locations L8 Split ...

Страница 17: ...an heater GQ1 FM01 Fan GQ2 FM02 Fan PWB1 Control board PWB2 Inverter board PWB3 Filter board X1 TB Terminal block incoming supply and communication Cooling components EB10 CH Compressor heater EP1 Evaporator GQ10 CM Compressor QN1 EEV H Expansion valve heating QN2 20S 4 way valve QN3 EEV C Expansion valve cooling Sensors etc BP2 63H1 High pressure pressostat BP8 LPT Low pressure transmitter Miscel...

Страница 18: ...ctrical components L Split CH Compressor heater DH Drain pan heater F Fuse FM01 Fan motor PWB1 Control board PWB2 Inverter board PWB3 Filter board TB Terminal block incoming supply and communication 1 Cable holder Component locations L8 Split Designations at component positions according to standard EN 81346 2 Designations within brackets according to the supplier s standard ...

Страница 19: ... pressure transmitter GQ1 FM01 Fan GQ2 FM02 Fan GQ10 CM Compressor 1 Reactor 2 AF modul 3 Diode modul 4 Capacitor 5 PWB2 5 4 3 2 1 3 3 Sensor Positioning the temperature sensor Outdoor module L6 Split Outdoor module L8 Split L12 Split 1 Incoming supply QN1 EEV H Expansion valve heating QN2 20S 4 way valve QN3 EEV C Expansion valve cooling Tho D Hot gas sensor Tho R1 Evaporator sensor out Tho R2 Ev...

Страница 20: ...ce 83019600bUK Translation of the original operating manual ait deutschland GmbH Data for sensor in in L8 Split L12 Split Tho D Tho S Tho R1 Tho R2 Tho A BT28 Data for sensor in in L6 Split Tho D Tho A R 1 Resistance kΩ 2 Temperature C ...

Страница 21: ...uted so that they are not dam aged by metal edges or trapped by panels L Split is equipped with a single phase com pressor This means that one of the phases will be loaded with a number of amperes A during compressor operation Check the maximum load in the table below Outdoor module Maximum current A L 6 Split 15 L 8 Split 16 L 12 Split 23 Maximum permitted phase loading can be re stricted to a lo...

Страница 22: ...ciple diagram electrical installation N E P L1 L2 L3 Only in a 3 phase installation 1 Switchbox 2 Switch 3 Current sensor 4 Power cable and communication cable 5 Incoming supply 5 2 Electrical components Chapter The heat pump design 5 3 Accessibility electrical connection Removing the covers Chapter Removing the covers ...

Страница 23: ...nal operating manual ait deutschland GmbH 5 4 Connections NOTE To prevent interference unscreened communication and or sensor cables to external connections must not be laid closer than 20 cm from high volt age cables Power connection L Split 1 Incoming supply 2 Cable gland ...

Страница 24: ...anual for HSV Split 6 Commissioning and adjusting 6 1 Compressor heater L Split is equipped with a compressor heater CH that heats the compressor before start up and when the compressor is cold Does not apply to L6 Split NOTE The compressor heater must have been connected for 6 8 hours before the first start see the section Start up and inspection in the Installer Manual for the indoor module or c...

Страница 25: ...ed by foreign objects Check that L Split does not have any external damage Ice build up in the fan grille and or fan cone on L Split Contact your installer Water below L Split larger amount Check that the water drainage via the condensa tion pipe KWS is working Chapter Disturbances in comfort in the Installer Manual for HSV Split 9 Accessories Not all accessories are available on all markets Refri...

Страница 26: ...essure switch 63H1 Defective high pressure switch Expansion valve not correctly connected Service valve closed Defective control board in L Split Low or no flow during heating operation Defective circulation pump Defective fuse F 4A 221 LP alarm Too low a value on the low pres sure sensor LPT 3 times within 60 minutes Open circuit or short circuit on input for low pressure sensor Defective low pre...

Страница 27: ...h refrigerant 262 Power transistor too hot When IPM Intelligent pow er module displays FO signal Fault Output five times during a 60 minute period Can occur when 15V power supply to the inverter PCB is unstable 263 Inverter error Voltage from the inverter outside the parameters four times within 30 minutes Incoming power supply interference Service valve closed Insufficient amount of refrigerant C...

Страница 28: ...it BT28 Tho A Open circuit or short circuit on sensor input Sensor does not work Section Disturbances in comfort Defective control board in L Split 279 Sensor fault Tho D Sensor fault hot gas in L Split Tho D Open circuit or short circuit on sensor input Sensor does not work Section Disturbances in comfort Defective control board in L Split 280 Sensor fault Tho S Sensor fault suction gas in L Spli...

Страница 29: ...29 Subject to change without notice 83019600bUK Translation of the original operating manual ait deutschland GmbH 11 Technical data 11 1 Dimensions Dimensions L6 Split All dimensions in mm ...

Страница 30: ...30 Subject to change without notice 83019600bUK Translation of the original operating manual ait deutschland GmbH Dimensions L8 Split All dimensions in mm ...

Страница 31: ...31 Subject to change without notice 83019600bUK Translation of the original operating manual ait deutschland GmbH Dimensions L12 Split All dimensions in mm ...

Страница 32: ...red Accordingly you should always attempt to find a placement on the side that faces the least sound sensitive neighbouring area The sound pressure lev els are further affected by walls bricks differences in ground level etc and should therefore only be seen as guide values Noise L6 Split L8 Split L12 Split Sound power level according to EN12102 at 7 35 C nominal LW A 51 55 58 Sound pressure level...

Страница 33: ...s 15 16 23 Recommended fuse rating Arms 16 16 25 Starting current Arms 5 Max fan flow heating nominal m h 2 530 3 000 4 380 Fan rating W 50 86 Drain pan heater integrated W 110 100 120 Defrosting Reverse cycle Enclosure class IP24 Refrigerant circuit Type of refrigerant R410A GWP refrigerant 2 088 Compressor Twin Rotary Refrigerant quantity kg 1 5 2 55 2 90 CO2 equivalent t 3 13 5 32 6 06 Cut out ...

Страница 34: ...al operating manual ait deutschland GmbH Dimensions and weight L6 Split L8 Split L12 Split Width mm 800 880 67 valve protection 970 Depth mm 290 340 110 with footrail 370 80 with footrail Height mm 640 750 845 Weight kg 46 60 74 Miscellaneous Part no 064 205 064 033 064 110 ...

Страница 35: ...rature C 3 Return pipe 4 Flow pipe 65 60 55 50 45 40 35 30 25 20 15 C C 30 20 10 0 10 20 30 40 50 35 30 25 20 15 10 5 0 C C 10 15 20 30 25 35 40 45 11 5 Capacity and COP Capacity and COP at different supply temperatures Maximum capacity including defrosting Max specified power L6 Split kW 9 00 8 00 7 00 6 00 4 00 3 00 1 00 0 00 C 25 20 35 C 45 C 55 C 15 10 5 0 5 10 COP 4 00 3 50 3 00 2 50 2 00 1 5...

Страница 36: ...15 10 5 0 5 10 15 COP 6 00 4 00 5 00 kW 12 00 10 00 8 00 6 00 4 00 2 00 0 00 C 25 20 35 C 45 C 55 C 15 10 5 0 5 10 15 kW 16 00 14 00 12 00 10 00 2 00 8 00 6 00 4 00 0 00 C 25 20 35 C 45 C 55 C 15 10 5 0 5 10 15 COP 5 00 4 00 3 00 2 00 1 00 0 00 C 25 20 35 C 45 C 55 C 15 10 5 0 5 10 15 COP 6 00 5 00 COP L12 Split 1 COP 2 Outdoor temperature C 11 6 Output with lower fuse rating than recommended Capa...

Страница 37: ...37 Subject to change without notice 83019600bUK Translation of the original operating manual ait deutschland GmbH 11 7 Electrical circuit diagram Circuit diagram L6 Split Circuit diagram L8 Split ...

Страница 38: ...DH Drain pan heater DM Diode module F Fuse FM01 FM02 Fan motor IPM Intelligent power module Circuit diagram L12 Split Designation Description L L1 Induction coil LED1 Indication lamp red LED2 Indication lamp green LPT Low pressure transmitter QN1 EEV H Expansion valve for heating QN3 EEV C Expansion valve for cooling SW1 9 Pumpdown SW3 5 7 8 Local settings TB Terminal block BT28 Tho A Temperature ...

Страница 39: ...39 Subject to change without notice 83019600bUK Translation of the original operating manual ait deutschland GmbH ...

Страница 40: ...ait deutschland GmbH Industriestraße 3 D 95359 Kasendorf www ait deutschland eu UK ...

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