Vaillant aroTHERM VWL Series Installation Instructions Manual Download Page 26

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Appendix

Installation instructions aroTHERM 0020147164_09

Heat pump heating flow temperature sensor

Heat pump heating return temperature sensor

Air inlet temperature sensor

Electronic expansion valve

Main PCB

Coding resistor

Diagnosis software connection

Fan 1

Fan 2 (for VWL 155/2 only)

Fan PCB

Crankcase heating

Condensate tray immersion heater

LED status display

Heating circuit high-efficiency pump with flow rate
sensor

4-port diverter valve

PCB installation

Rotary compressor

Inverter box

Temperature sensor for the finned-tube heat ex-
changer

Heat pump schematic

B.1

Heat pump schematic drawing (VWL 55/2 A 230 V)

PZHH

TCE

Flow heating circuit temperature sensor

Return heating circuit temperature sensor

High-efficiency pump with flow rate sensor

Expansion vessel (not for Vaillant)

Drain valve

Purging valve

Fan

Air inlet temperature sensor

Finned-tube heat exchanger

Temperature sensor for the finned-tube heat ex-
changer

4-port valve

Plate heat exchanger

Temperature sensor after the plate heat exchanger

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

High-pressure pressure switch in the refrigerant
circuit

High-pressure sensor in the refrigerant circuit

Compressor outlet temperature sensor

Rotary compressor

Filter

Liquid separator

Electronic expansion valve

Compressor inlet temperature sensor

Service valve for the low-pressure area of the refri-
gerant circuit

Filter

Fluid collector

Summary of Contents for aroTHERM VWL Series

Page 1: ...Installation instructions aroTHERM VWL 2 A 230 V GB Publisher manufacturer Vaillant GmbH Berghauser Str 40 D 42859 Remscheid Tel 492191 18 0 Fax 492191 18 2810 info vaillant de www vaillant de ...

Page 2: ...tary water 18 6 8 Filling the heating installation 19 6 9 Activating the heat pump 19 6 10 Checking the product s operation 19 6 11 Operating noises 20 6 12 Adjusting the heating circuit 20 6 13 Installing the side casing 21 6 14 Instructing the end user 21 7 Maintenance 21 7 1 Observing maintenance intervals 21 7 2 Preparing for maintenance 22 7 3 Instructions before carrying out maintenance work...

Page 3: ...ct in ac cordance with the product and system ap proval compliance with all inspection and main tenance conditions listed in the instruc tions Intended use also covers installation in ac cordance with the IP code Any other use that is not specified in these instructions or use beyond that specified in this document shall be considered improper use Any direct commercial or industrial use is also de...

Page 4: ...ter 1 3 8 Risk of material damage caused by using an unsuitable tool Use the correct tool 1 3 9 Avoid environmental damage caused by escaping refrigerant The heat pump contains the refrigerant R410A The refrigerant must not be allowed to escape into the atmosphere R410A is a fluorinated greenhouse gas covered by the Kyoto Protocol with a GWP of 2088 GWP Global Warming Potential If this gas es cape...

Page 5: ...o deals with the collection of refrigerants system leaks particularly sys tems containing more than 3 kg of CFC or HCFC as well as the minimum level of qualification required by the technicians EC regulation No 0842 2006 from the 17th of May 2006 regarding the containment use collection and disposal of the fluorin ated greenhouse gases the labelling and elimination of the products and equipment co...

Page 6: ...emperature 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 heating circuit when starting up the product If the heating circuit temperature falls below 3 C the product s ...

Page 7: ...Air temperature 3 4 Basic 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 Finned tube heat ex changer 4 Temperature sensor for the finned tube heat exchanger 5 4 port valve 6 Return heating circuit temperature sensor 7 High efficiency pump with flow rate sensor 8 Purging valve 9 Flow heating circuit tempera...

Page 8: ...ion on the data plate Meaning PSR_LP PSR_HP Min and max operating pres sure in the refrigerant circuit PSH min PSH max Minimum and maximum operat ing pressure in the heating circuit COP Ax Wxx Output figure coefficient of performance at an air inlet temperature of xx C and a heating flow temperature of xx C Ax Wxx Heating output at an air inlet temperature of xx C and a heating flow temperature of...

Page 9: ...se this may lead to malfunctions in the refrigerant circuit during subsequent operation 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 Use the transportation belt to carry the product to the final installation site Only lift the product from the back and side where the hydraulic connections...

Page 10: ...30 V VWL 115 2 A 230 V VWL 155 2 A 230 V 463 32 481 581 5 1 2 3 Bottom view C A B B D E Product A B C D E VWL 55 2 A 230 V 740 120 490 386 70 VWL 85 2 A 230 V VWL 115 2 A 230 V VWL 155 2 A 230 V 778 162 550 437 102 5 1 3 Complying with minimum clearances 5 1 3 1 Installation clearance C B D A A 0 5 m Clearance For heating mode A 250 mm B 1000 mm C 120 mm D 600 mm Caution If the minimum clearances ...

Page 11: ...gulations Install the product outside the building Do not install the product Near a heat source Near flammable materials Near ventilation openings for adjacent buildings Under deciduous trees Note the following points when installing the product Prevailing winds The visual impression on the environment Avoid places where strong winds blow on the product s air outlet Point the fan away from nearby...

Page 12: ...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 300 B 100 380 ø100 1500 A 410 350 350 C 750 380 410 350 350 D 750 4 2 3 4 1 Dig a hole in the ground The recommended dimensions can be found in the figure and the table aroTHERM VWL 55 C 70 aroTHERM VWL 85 155 D ...

Page 13: ... scope of delivery 5 2 2 Aligning the product M10 8mm 1 Align the product horizontally so that condensate can flow Note The product must be installed with the vibra tion isolating feet supplied The product is lif ted by the vibration isolating feet which sim plifies the condensate discharge process and reduces vibrations 2 Screw in the vibration damping feet using the concrete foundation Screw len...

Page 14: ...exible connection pipes on the product that have a length of at least 0 75 m 3 When the product is not installed at the highest point in the heating circuit install additional purging valves in places where air can collect elevated points in the system 4 Install all of the safety relevant hydraulic components Note If you use glycol you must collect it at the expansion relief valve to prevent envir...

Page 15: ...connection terminals 5 4 1 Establishing the power supply The external mains connection cable must be earthed and connected with the correct polarity and in accordance with the valid regulations Check that the mains connection cable is connected cor rectly The cables that connect the product to the fuse box must Be suitable for fixed installation Be weatherproof Be equipped with a wire cross sectio...

Page 16: ...sk of malfunction due to incorrect rout ing of the supply lines If you route the supply lines for the power supply and the eBUS line through the same cable duct the signal will be disrupted Route the supply lines for the power sup ply and the eBUS line through various cable ducts in the product 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 1 2 3 4 ØA ØA 1 2 1 eBUS line and limit thermostat line grommet 2...

Page 17: ...tent 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 the entry after the last digit by pressing the right hand selection button All of the digits to the right will be deleted 6 4 Calling up Live Monitor checki...

Page 18: ... appearance of the heating water If you ascertain that it contains sedimentary materials you must desludge the installation Use a magnetic rod to check whether it contains mag netite iron oxide If you ascertain that it contains magnetite clean the in stallation and apply suitable corrosion inhibition meas ures or fit a magnetic filter Check the pH value of the removed water at 25 C If the value is...

Page 19: ...r damages the seals and diaphragms 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 Condition System separation with a heat exchanger module Connect the filling tap with the heating w...

Page 20: ...duct 11 Remove the hose and the mixing container Note The system control has a purging function The purging function can be started via the heat pump control interface 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 20...

Page 21: ... minimum flow 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 at...

Page 22: ...ng circuit s filling pressure Ensure that there are no traces of rust or oil on the refri gerant circuit components Ensure that the product components are neither worn nor defective Check that all wires sit securely in the connection plugs Check the product s earthing Check the heating pump s flow temperature and the set values Remove any dust from the electronics box and the in verter box Clean t...

Page 23: ...llation Check the electrical installation and take all relevant dir ectives into account Checking the cable If the product s power supply cable is damaged then in or der to avoid danger only the manufacturer the Customer Service team or a similarly qualified person should replace the power supply cable To replace the power supply cable see Carrying out the electrical installation Page 15 7 9 Start...

Page 24: ...he 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 Decommissioning 9 1 Temporary decommissioning 1 Switch off the product 2 Disconnect the product from the power supply 9 2 Permanently decommissioni...

Page 25: ...700 X16 X11 F1 X1 X15 X13 X26 X23 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 finned tube heat ex changer 2 Temperature sensor after the plate heat exchanger 3 Refrigerant circuit pressure switch 4 Compressor inlet temperature sensor 5 Compressor outlet temperature sensor 6 Refrigerant circuit temperatu...

Page 26: ...23 22 18 15 16 17 14 12 6 1 4 5 13 19 21 24 10 25 11 20 2 3 1 Flow heating circuit temperature sensor 2 Return heating circuit temperature sensor 3 High efficiency pump with flow rate sensor 4 Expansion vessel not for Vaillant 5 Drain valve 6 Purging valve 7 Fan 8 Air inlet temperature sensor 9 Finned tube heat exchanger 10 Temperature sensor for the finned tube heat ex changer 11 4 port valve 12 ...

Page 27: ...Finned tube heat exchanger 10 Temperature sensor for the finned tube heat ex changer 11 4 port valve 12 Plate heat exchanger 13 Temperature sensor after the plate heat exchanger 14 Service valve for the high pressure range of the refrigerant circuit 15 High pressure pressure switch in the refrigerant circuit 16 High pressure sensor in the refrigerant circuit 17 Compressor outlet temperature sensor...

Page 28: ...ture 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 refrigerant circuit 15 High pressure pressure switch in the refrigerant circuit 16 High pressure sensor in the refrigerant circuit 17 Compressor outlet temper...

Page 29: ...at exchanger 13 Temperature sensor after the plate heat exchanger 14 Service valve for the high pressure range of the refrigerant circuit 15 High pressure pressure switch in the refrigerant circuit 16 High pressure sensor in the refrigerant circuit 17 Compressor outlet temperature sensor 18 Rotary piston compressor 19 Filter 20 Liquid separator 21 Electronic expansion valve 22 Compressor inlet tem...

Page 30: ...as far as necessary in order to prevent 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 the fault messages F 103 F 752 or F 753 are 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...

Page 31: ...ible range high pressure low pressure ratio too low 556 Refrigerant circuit pressure not in the permissible range condensation rate too low 557 Refrigerant circuit pressure not in the permissible range evaporation rate too high 558 Refrigerant circuit pressure not in the permissible range condensation rate too high 559 Refrigerant circuit pressure too low 560 Compressor outlet overheated 561 Fault...

Page 32: ... 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 cast iron Painted cast iron Painted cast iron Painted cast iron Pollution rating 2 ...

Page 33: ...ature cyl inder charging 46 46 46 46 Max air flow 2 000 m h 2 700 m h 3 400 m h 5 500 m h Technical data Heating 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 Minimum operating pres sure 0 1 MPa 1 0 bar 0 1 MPa 1 0 bar 0 1 MPa 1 0 bar 0 1 MPa 1 0 bar Maximum operating pres sure 0 3 MPa 3 0 bar 0 3 MPa 3 0 bar 0 3 MPa 3 0 bar 0 3 MPa 3 0 bar Heating circuit water con...

Page 34: ...ption ef fective at A7 W55 3 51 kW 4 65 kW F Overview of fault codes Code Meaning Cause F 022 Water pressure too low Insufficient water in the heating system F 037 Fan fault Obstruction in the product s air pipe Fan motor not connected or defective The connection between the main PCB and the fan PCB is dam aged or broken F 042 Fault Coding resistor The product s coding resistor is missing or is de...

Page 35: ...exchanger blocked F 537 High pressure switch opened Refrigerant volume too high or too low Vacuum insufficient 10 mbar Incondensable particle in the refrigerant circuit Pressure switch or electrical connection defective Premature expansion in the liquid area of the refrigerant circuit loss of charge Flow rate quantity too high see defined maximum flow rate Flow rate monitor defective Insufficient ...

Page 36: ...CB is defective F 755 Fault 4 port diverter valve position incorrect Mechanical or electrical problem Move the 4 port diverter valve away from the control When moving it check that the coil voltage is correct Check the cable harness and the connections Check the temperat ure sensor for the finned tube heat exchanger for plausibility to do this use a surface mounted thermometer and the display in t...

Page 37: ... should be made aware it is ultimately their responsibility to register with the manufacturer within the allotted time period It is essential that the heat pump is serviced in line with the manufacturers recommendations at least annually This must be carried out by a competent certified operative The service details should be recorded on the Benchmark Service and Interim Heat Pump Work Record and ...

Page 38: ...H 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 Yes CENTRAL HE...

Page 39: ... Company name Telephone No 2SHUDWLYH 1R Comments Signature SERVICE 05 Date Engineer name Company name Telephone No 2SHUDWLYH 1R Comments Signature SERVICE 07 Date Engineer name Company name Telephone No 2SHUDWLYH 1R Comments Signature SERVICE 09 Date Engineer name Company name Telephone No 2SHUDWLYH 1R Comments Signature SERVICE 02 Date Engineer name Company name Telephone No 2SHUDWLYH 1R Comments...

Page 40: ...y 4 F Filling 19 Front Cleaning 22 Function menu 24 G Grommet 16 H Hot water temperature 4 I Installer level 17 Instructions Validity 6 Intended use 3 L Live Monitor Calling up 17 P Product Unpacking 9 Q Qualification 3 R Regulations 5 Risk of scalding 4 S Safety device 3 Safety devices 6 Sensor actuator test 24 Setting the language 17 Side casing Removing 13 Spare parts 22 Statistics Calling up 1...

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Page 44: ...rbyshire 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 Subject to technical modifications 0020147164_09 ...

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