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Appendix

0020147164_07 aroTHERM Installation instructions

33

A.4

Heat pump schematic drawing (VWL 155/2 A 230 V)

PZHH

-

TI

-

TCE

TI

-

TI

-

PT

-

TI

-

TI

-

TI

-

TI

-

7

9

8

23

22

18

15

16

17

14

12

6

1

3

4

5

13

19

21

24

10

25

11

20

+

2

1

Flow heating circuit temperature sensor

2

Return heating circuit temperature sensor

3

High-efficiency pump with flow sensor

4

Expansion vessel (not for Vaillant)

5

Drain valve

6

Purging valve

7

Fan

8

Air inlet temperature sensor

9

Ribbed pipe heat exchanger

10

Temperature sensor of the ribbed pipe heat ex-
changer

11

4-way valve

12

Plate heat exchanger

13

Temperature sensor after the plate heat exchanger

14

Service valve for the high-pressure range of the
coolant circuit

15

High-pressure pressure switch in the coolant circuit

16

High-pressure sensor in the coolant circuit

17

Compressor outlet temperature sensor

18

Rotary piston compressor

19

Filter

20

Liquid separator

21

Electronic expansion valve

22

Compressor inlet temperature sensor

23

Service valve for the low-pressure range of the
coolant circuit

24

Filter

25

Gas buffer

B

Heat pump setting parameters

Note

If repairs are carried out on the heat pump electronics (e.g. replacing the PCB), you must reset the parameters.

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Содержание aroTHERM VWL ../2 A 230 V series

Страница 1: ...n Installation instructions aroTHERM VWL 2 A 230 V GB Installation instructions Publisher manufacturer Vaillant GmbH Berghauser Str 40 D 42859 Remscheid Tel 49 21 91 18 0 Fax 49 21 91 18 2810 info vaillant de www vaillant de ...

Страница 2: ...the heating circuit 21 6 7 Checking and treating the heating water filling and supplementary water 22 6 8 Filling the heating installation 23 6 9 Activating the heat pump 23 6 10 Checking the product s operation 23 6 11 Operating noises 24 6 12 Adjusting the heating circuit 24 6 13 Installing the side cladding 25 6 14 Instructing the operator 25 7 Maintenance 25 7 1 Observing maintenance intervals...

Страница 3: ... Carefully read the enclosed instructions and all other applicable documents par ticularly the Safety section and the warn ings Only carry out the activities for which in structions are provided in these operating instructions 1 3 2 Risk of death from electric shock There is a risk of death from electric shock if you touch live components Before commencing work on the product Disconnect the produc...

Страница 4: ...d of by accredited specialists in accordance with regulations Only use coolant R410A Only use a suitable R410A tool for the filling pressure measurement vacuum generation and discharge Solder the lines using shielding gas Check the lines for leak tightness using nitrogen In the event of a repair or maintenance work fill the coolant circuit with liquid coolant If the coolant circuit is not leak tig...

Страница 5: ...he restriction of use and banning of certain products from the market as well as the training and cer tifi cation of personnel and companies op erating in the activities targeted by this reg ulation refrigeration air conditioning heat pumps and fi re protection systems con taining greenhouse gases 1 9 Other regulations 1 9 1 Control of Substances Hazardous to Health Under Section 6 of The Health a...

Страница 6: ...1 Safety 6 Installation instructions aroTHERM 0020147164_07 Improper use of any kind is prohibited ...

Страница 7: ...or inlet temperature and the compressor outlet temperature are below 1 C the compressor does not start up A temperature sensor on the compressor outlet limits the product s operation if the measured temperature exceeds the maximum permissible temperature The maximum permissible temperature depends on the evaporation and condensation temperature The product measures the flow rate of the connected h...

Страница 8: ...4 System diagram VWL 55 2 A 230 V e 1 3 12 16 17 19 24 15 21 14 11 4 23 20 2 22 5 13 8 9 6 7 10 A B 18 1 Fan 2 Air inlet temperature sensor 3 Ribbed pipe heat ex changer 4 Temperature sensor of the ribbed pipe heat exchanger 5 4 way valve 6 Return heating circuit temperature sensor 7 High efficiency pump with flow sensor 8 Purging valve 9 Flow heating circuit temperature sensor 10 Drain valve 11 P...

Страница 9: ...l ing mode on the VWL 85 2 A 230 V only 24 Filter 25 Gas buffer A Heating return B Heating flow 4 Overview of the equipment 4 1 Type designation and serial number 1 1 The type designation and serial number are on the identifica tion plate 1 4 2 Information on the identification plate Information on the identi fication plate Meaning Serial no Unique unit identification number P max Maximum rated po...

Страница 10: ... this may lead to malfunctions in the coolant circuit during subsequent opera tion In the worst case scenario this may lead to a fault in the whole system During transport do not tilt the heat pump by any more than the maximum angle of 45 1 Use the transportation belt to carry the product to the final installation site 2 Only lift the product from the back and side where the hydraulic connections ...

Страница 11: ...als 4 Vibration isolating feet 1 Purge hose 5 1 2 Complying with clearances and installation clearances 5 1 2 1 Unit dimensions and connection dimensions 1 2 0 1 2 0 7 4 0 980 408 840 386 VWL 55 2 A 230 V 386 11 Size increases by 45 mm when using the vibration dampers sup plied 1 6 2 1 6 2 7 7 8 1103 463 975 437 VWL 85 2 A 230V VWL 115 2 A 230V 437 11 Size increases by 45 mm when using the vibrati...

Страница 12: ...e affected To guarantee sufficient air flow and to facilitate mainten ance work observe the minimum clearances that are specified above Ensure that there is sufficient room to install the hydraulic lines If the product is to be installed in areas where heavy snow falls ensure that the snow does not accumulate around the product and that the minimum clearances specified above are observed If you ca...

Страница 13: ...onment Avoid places where strong winds blow on the product s air outlet Point the fan away from nearby windows Install noise protection if necessary Install the product on one of the following supports Concrete slab Steel T beam Concrete block Elevating socket Vaillant accessory Wall bracket permitted Vaillant accessory for VWL 55 2 A 230 V VWL 85 2 A 230 V and VWL 115 2 A 230 V or VWL 115 2 A 400...

Страница 14: ... 5 Preparing the condensate discharge 100mm Danger Risk of injury due to frozen condensate Frozen condensate on paths may cause falls Ensure that condensate does not dis charge onto paths and that ice cannot build up there The condensate is discharged centrally underneath the product The condensate is heated inside the product and routed into the condensate discharge 0 1 m Prepare the condensate d...

Страница 15: ...nes such as welding beads scale hemp putty rust and coarse dirt may be deposited in the product and cause malfunctions Flush the heating installation thoroughly before connecting the product in order to remove any possible residue Caution Risk of material damage due to corrosion If plastic pipes that are not diffusion tight are used in the heating circuit this may lead to corrosion and deposits in...

Страница 16: ...e heat pump on site 7 Insulation on site 8 Stop valve 9 Dirt filter 5 Remove the covering caps 3 from the product s hy draulic connections 6 Install a dirt filter 9 in the heating circuit return between two stop valves 8 so that the filter can be cleaned regularly 7 Install a flexible connection pipe 1 and 6 to be provided on site with an O ring and a stop valve to each of the connections for the ...

Страница 17: ...k of death from electric shock as a res ult of an improper electrical connection An improper electrical connection may neg atively affect the operational safety of the product and result in material damage or per sonal injury The electrical installation must be carried out by a suitably qualified competent per son who is responsible for complying with the existing standards and directives 1 Only s...

Страница 18: ...tion underfloor pro tective circuit 3 eBUS connection in the VWZ AI heat pump control module or in the hydraulic station 1 Feed the cable through the cable duct VWL 55 2 A 230 V VWL 85 2 A 230 V VWL 115 2 A 230 V VWL 155 2 A 230 V Recommended eBUS cable dimen sion 2 x 0 75 mm Recommended cable dimension for eBUS limit thermostat 4 x 0 75 mm 2 Connect the eBUS cable to the system controller 3 If yo...

Страница 19: ...3 X21 X22 X30 X25 X24 X25 X5 X10CA X9 X2 RL1 X3 15 16 17 12 18 19 20 21 22 23 24 25 11 9 8 7 6 5 4 3 1 2 13 14 10 1 Temperature sensor of the ribbed pipe heat ex changer 2 Temperature sensor after the plate heat exchanger 3 Coolant circuit pressure switch 4 Compressor inlet temperature sensor 5 Compressor outlet temperature sensor 6 Coolant circuit temperature sensor 7 Heat pump heating flow tempe...

Страница 20: ...ng resistance 13 Diagnosis software connection 14 Fan 1 15 Fan 2 for VWL 155 2 only 16 Fan PCB 17 Crankcase heating 18 Drain pan electrical heating rod 19 LED status display 20 Heating circuit high efficiency pump with flow sensor 21 4 way valve 22 PCB installation 23 Rotary piston compressor 24 Inverter box 25 Temperature sensor for ribbed pipe heat exchanger ...

Страница 21: ...dule VWZ AI 6 3 1 Setting the language Menu Basic setting Language You can use this function to set the desired language 6 3 2 Telephone number for the competent person You can store your telephone number in the appliance menu The operator can display it in the information menu The tele phone number can be up to 16 digits long and must not con tain any spaces If the telephone number is shorter end...

Страница 22: ...he appearance of the heating water If you ascertain that it contains sedimentary materials you must desludge the system Use a magnetic rod to check whether it contains mag netite iron oxide If you ascertain that it contains magnetite clean the sys tem and apply suitable corrosion protection measures or fit a magnet filter Check the pH value of the removed water at 25 C If the value is below 8 2 or...

Страница 23: ...s blocks components in the product and heating installation through which the water flows and causes noise Only fill the heating installation with suit able heating water Note If a heat exchanger module is used the heating circuit must be topped up with heating water Conditions System separation with a heat exchanger module Connect the filling cock with the heating water supply using a cold water ...

Страница 24: ...d the mixing container Note The system controller has a purging func tion The purging function can be started via the heat pump s control module Within 15 minutes the pumps are switched on for a period of 30 seconds and switched off again 30 seconds 6 12 1 1 Available pressure in the heat pump heating circuit A B 0 10 20 30 40 50 60 70 80 500 0 1000 1500 2000 C 100 200 300 400 500 600 700 800 90 9...

Страница 25: ...low rate install an ad ditional pump If you cannot reach the recommended flow rate adjust the heating circuit pressure on the controller and if ne cessary use a bypass valve item 50 6 12 3 Adapting the unit to the heating installation The installation assistant is launched when the product is switched on for the first time If you have already filled the heating installation and termin ated the ins...

Страница 26: ...heating circuit s fill pressure Ensure that there are no traces of rust or oil on the coolant circuit components Ensure that the product components are neither worn nor defective Check that all wires sit securely in the connectors Check the product s earthing Check the heating pump s flow temperature and the set tings Remove any dust from the electronics box and the in verter box Clean the ribbed ...

Страница 27: ...k the electrical installation and take all relevant dir ectives into account Checking the cable If the product s mains power cable is damaged then in order to avoid danger only the manufacturer the Customer Ser vice team or a similarly qualified person should replace the mains power cable To replace the mains power cable see Carrying out the electrical installation Page 17 7 9 Start up following m...

Страница 28: ...y input 8 4 Carrying out check programmes Menu Installer level Test programs Check pro grams You can use the check programmes to purge the circuits carry out manual de icing and check the product s primary function Display Check programme P01 Forced heating P02 Forced cooling P06 Manual de icing Display Check programme P10 Purging the heating circuit P11 Purging the hot water circuit 9 Decommissio...

Страница 29: ...se gas covered by the Kyoto Pro tocol with a GWP of 1725 GWP Global Warming Potential Before the product is disposed of have the coolant which it contains completely drained into a suitable vessel so that it can then be recycled or disposed of in accordance with regulations The competent person who installed the heat pump must dispose of the coolant Personnel who are approved for energy recovery m...

Страница 30: ... Air inlet temperature sensor 9 Ribbed pipe heat exchanger 10 Temperature sensor of the ribbed pipe heat ex changer 11 4 way valve 12 Plate heat exchanger 13 Temperature sensor after the plate heat exchanger 14 Service valve for the high pressure range of the coolant circuit 15 High pressure pressure switch in the coolant circuit 16 High pressure sensor in the coolant circuit 17 Compressor outlet ...

Страница 31: ... 9 Ribbed pipe heat exchanger 10 Temperature sensor of the ribbed pipe heat ex changer 11 4 way valve 12 Plate heat exchanger 13 Temperature sensor after the plate heat exchanger 14 Service valve for the high pressure range of the coolant circuit 15 High pressure pressure switch in the coolant circuit 16 High pressure sensor in the coolant circuit 17 Compressor outlet temperature sensor 18 Rotary ...

Страница 32: ...mperature sensor 9 Ribbed pipe heat exchanger 10 Temperature sensor of the ribbed pipe heat ex changer 11 4 way valve 12 Plate heat exchanger 13 Temperature sensor after the plate heat exchanger 14 Service valve for the high pressure range of the coolant circuit 15 High pressure pressure switch in the coolant circuit 16 High pressure sensor in the coolant circuit 17 Compressor outlet temperature s...

Страница 33: ...he ribbed pipe heat ex changer 11 4 way valve 12 Plate heat exchanger 13 Temperature sensor after the plate heat exchanger 14 Service valve for the high pressure range of the coolant circuit 15 High pressure pressure switch in the coolant circuit 16 High pressure sensor in the coolant circuit 17 Compressor outlet temperature sensor 18 Rotary piston compressor 19 Filter 20 Liquid separator 21 Elect...

Страница 34: ...nt the remaining feed head from being exceeded Maximum value 100 mbar Max dura tion of the power inter ruption If the set value is exceeded when the power supply is dis connected fault messages F 103 F 752 or F 753 may be displayed If the heat pump is to be operated in the normal or spe cial tariff set the value to 3 h in the special tariff during installation 0 h 0 99 h C Status codes Status Desc...

Страница 35: ...sible range high pressure low pressure ratio too low 556 Coolant circuit pressure not in the permissible range condensation rate too low 557 Coolant circuit pressure not in the permissible range evaporation rate too high 558 Coolant circuit pressure not in the permissible range condensation rate too high 559 Refrigerant circuit pressure too low 560 Compressor outlet overheated 561 Fault Compressor...

Страница 36: ... dimensions depth 408 mm 463 mm 463 mm 463 mm Net weight 90 kg 106 kg 126 kg 165 kg Hydraulic lines material Copper Copper Copper Copper Hydraulic connections material Brass Brass Brass Brass Hydraulic seals material EPDM EPDM EPDM EPDM Plate heat exchanger ma terial AISI 304 stainless steel AISI 304 stainless steel AISI 304 stainless steel AISI 304 stainless steel Pump casing material Painted cas...

Страница 37: ...l 21 l 35 l 60 l Min volume flow rate 380 l h 380 l h 540 l h 1 200 l h Nominal volume flow rate max volume flow rate 860 l h 1 400 l h 1 900 l h 2 590 l h Hydraulic pressure differ ence 640 mbar 450 mbar 300 mbar 370 mbar Technical data Coolant circuit VWL 55 2 A 230 V VWL 85 2 A 230 V VWL 115 2 A 230 V VWL 155 2 A 230 V Coolant type R410A R410A R410A R410A Coolant contents 1 80 kg 1 95 kg 3 53 k...

Страница 38: ...en the main PCB and the fan PCB is dam aged or broken F 042 Fault Coding resistance The product s coding resistance is missing or is faulty Coding resistance value outside the permissible range X25 plug not connected or was connected incorrectly F 073 Fault Water pressure sensor Line to water pressure sensor is broken or has a short circuit F 086 Contact thermostat has opened Underfloor heating te...

Страница 39: ... expansion in the liquid area of the coolant circuit loss of charge Flow quantity too high see defined maximum flow rate Flow rate monitor faulty Insufficient heat transfer in the heat exchanger F 539 Refrigerant pressure too low Coolant quantity too low Air flow too low No thawing The resistance heating in the condensate receiver is faulty 4 way valve faulty Electronic expansion valve motor fault...

Страница 40: ...and the fan PCB is dam aged or broken The fan PCB is faulty F 755 Fault 4 way valve position incorrect Mechanical or electrical problem Move the 4 way valve away from the controller When moving it check that the coil voltage is correct F 774 Sensor fault Air inlet temperature The temperature sensor is faulty or incorrectly connected to the main PCB F 1288 Fault SP1 cylinder temperature sensor Sens...

Страница 41: ...ZHLJKW Yes 7KH V VWHP KDV EHHQ ÀXVKHG DQG FOHDQHG LQ DFFRUGDQFH ZLWK 6 DQG KHDW SXPS PDQXIDFWXUHU V LQVWUXFWLRQV Yes What system cleaner was used What inhibitor was used Quantity litres Is the system adequately frost protected Yes OUTDOOR UNIT Are all external pipeworks insulated Yes Is the fan free from obstacles and operational Yes Has suitable consideration been made for waste water discharge Y...

Страница 42: ...Engineer name Company name Telephone No Comments Signature SERVICE 05 Date Engineer name Company name Telephone No Comments Signature SERVICE 07 Date Engineer name Company name Telephone No Comments Signature SERVICE 09 Date Engineer name Company name Telephone No Comments Signature SERVICE 02 Date Engineer name Company name Telephone No Comments Signature SERVICE 04 Date Engineer name Company nam...

Страница 43: ...g 26 Function menu 28 H Hot water temperature 3 I Identification plate 9 Installer level 21 L Live Monitor Calling up 21 M Manual Applicability 7 P Product Unpacking 10 Q Qualification 3 R Regulations 4 Risk of scalding 3 S Safety device 3 Safety devices 7 Schematic drawing 3 Sensor actuator test 28 Setting the language 21 Side casing Removing 14 Spare parts 26 Statistics Calling up 21 T Terminal ...

Страница 44: ...hire DE56 1JT Telephone 0330 100 3461 info vaillant co uk www vaillant co uk These instructions or parts thereof are protected by copyright and may be reproduced or distributed only with the manufacturer s written consent We reserve the right to make technical changes ...

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