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0020213394_05 Installation and maintenance instructions

Code

Meaning

Cause

Remedy

F.724

Sensor fault: Fan unit 1 fan inlet
temp.

–

Sensor not connected or sensor
input has short-circuited

–

Check the sensor in the fan unit, and
replace if necessary

–

Replace the cable harness in the fan
unit

F.725

Sensor fault: Fan unit 1 brine flow
temp.

–

Sensor not connected or sensor
input has short-circuited

–

Check the sensor in the fan unit, and
replace if necessary

–

Replace the cable harness in the fan
unit

F.731

High-pressure switch open

–

Refrigerant pressure too high. The
integrated high-pressure switch has
tripped at 46 bar (g) or 47 bar (abs)

–

Insufficient energy output via the
relevant capacitors

–

Purging the building circuit

–

Too low a volume flow as a result
of closing single room controls in an
underfloor heating system

–

Check that the dirt filter that is in
place is permeable

–

Refrigerant flow rate too low (e.g.
electronic expansion valve defective,
4-port valve mechanically blocked,
filter blocked). Inform customer
service.

–

VWL SA (cooling mode): Check the
fan unit for dirt

F.732

Compressor outlet temperature
too high

The compressor outlet temperature is
above 130 °C:

–

Application limits exceeded

–

EEV does not work or does not open
correctly

–

Refrigerant volume too low

–

Check the low-pressure sensor,
compressor inlet sensor and outlet
sensor

–

Check the EEV (does the EEV
move to the limit stop? Use the
sensor/actuator test)

–

Check the refrigerant volume (see
Technical data)

–

Carry out a leak-tightness test

F.733

Evaporation temperature too low

–

No flow rate in the environment
circuit (heating mode)

–

Energy input too low in the environ-
ment circuit (heating mode) or build-
ing circuit (cooling mode)

–

Check the flow rate in the environ-
ment circuit

–

Check the dimensioning of the en-
vironment circuit (heating mode) for
ground/brine and ground water/brine

–

If the building circuit contains ther-
mostatic valves, check that they are
suitable for cooling mode (cooling
mode)

–

VWL SA (heating mode)

–

Check the fan unit for dirt

–

Check the EEV (does the EEV
move to the limit stop? Use the
sensor/actuator test)

–

Check the low-pressure sensor and
compressor inlet sensor

F.735

Evaporation temperature too high

–

Temperature in the environment
circuit (heating mode) or building
circuit (cooling mode) too high for
compressor operation

–

Feed-in of external heat into the
environment circuit

–

Reduce or stop the external heat
that is entering

–

Check the de-icer (does it heat
up even though it is

Off

in the

sensor/actuator test?)

–

Check the EEV (does the EEV
move to the limit stop? Use the
sensor/actuator test)

–

Check the compressor inlet sensor
and low-pressure sensor

F.740

Environment circuit: Inlet temp.
too low

–

Inlet temperature in the environment
circuit too low for the compressor to
start for heating:

–

Air/brine: Environment circuit inlet
temperature < -28 °C

–

Ground/brine: Environment circuit
inlet temperature < -7 °C

–

Ground water/brine: Ground water
inlet temperature < 2 °C

–

Check the dimensioning of the envir-
onment circuit

–

Check the sensors

Содержание flexoTHERM exclusive

Страница 1: ...en Installation and maintenance instructions flexoTHERM exclusive VWF 57 197 4 0020213394_05 26 01 2023...

Страница 2: ...the VRC DCF 26 8 11 Installing optional accessories 26 8 12 Connecting the circulation pump 26 8 13 Connecting the heat pump system to the photovoltaic installation 26 8 14 Checking the electrical ins...

Страница 3: ...iew 48 I Maintenance messages 50 J Fault codes 50 K Characteristic values external cylinder temperature sensor 56 L Characteristic values internal temperature sensors refrigerant circuit 57 M Characte...

Страница 4: ...use Any direct commercial or industrial use is also deemed to be improper Caution Improper use of any kind is prohibited 1 2 General safety information 1 2 1 Risk caused by inadequate qualifications T...

Страница 5: ...al filling of R410A refrigerant Escaping refri gerant may cause freezing if the exit point is touched If refrigerant escapes do not touch any components of the product Do not inhale any vapours or gas...

Страница 6: ...6 Installation and maintenance instructions 0020213394_05 1 3 Regulations directives laws standards Observe the national regulations stand ards directives ordinances and laws...

Страница 7: ...ign A B A B 3 1 2 4 1 2 5 1 2 The heat pump system consists of the following components Heat pump 1 System control 2 from VRC 700 Outdoor temperature sensor with DCF receiver System sensor if required...

Страница 8: ...again it condenses As heat energy can only pass from a body at a higher tem perature to a body at a lower temperature the refrigerant in the evaporator must have a lower temperature than the heat sour...

Страница 9: ...en if they are installed on the product as well as any other components in the heating system and other external con sumers are not part of the data recording Deviations between the determined values...

Страница 10: ...nditions are met Heat requirement without switching off prematurely 60 minutes of uninterrupted operation 3 3 8 Safety cut out SCO in the heating circuit If the temperature in the heating circuit of t...

Страница 11: ...f XX C and a heating flow temperature of XX C COP A2 W35 A7 W35 A7 W45 A7 W55 Coefficient of performance at an air temperature of XX C and a heating flow temperature of XX C EER A35 W18 Coefficient of...

Страница 12: ...om the Heating and Hotwater Industry Council who manage and promote the Scheme Benchmark is managed and promoted by the Heating and Hotwater Industry Council For more information visit www centralheat...

Страница 13: ...0020213394_05 Installation and maintenance instructions 13 5 3 Dimensions 671 651 595 600 20 833 1183 18 2 91 100 100 91 25 50 90 115 115 90...

Страница 14: ...that the weight dis tribution is as even as possible Secure the product using a retaining strap Use a ramp to move the product from the pallet using the sack truck e g a piece of square timber and a...

Страница 15: ...tear under load After installing the product render all of the retaining straps unusable To transport the product again at a later time use suitable transport harnesses instead of the attached transpo...

Страница 16: ...ide casings 1 Pull the casing top forwards slightly and remove it by lifting it upwards A A B B 2 To remove a side casing remove the four screws at the front and the three screws at the back 3 Remove...

Страница 17: ...ng installations with steel pipes static heating surfaces and or buffer cylinder sys tems magnetite may form where large water volumes are involved Insert a magnetic filter to protect the pump inside...

Страница 18: ...e in stallation and apply suitable corrosion inhibition meas ures e g fit a magnetite separator Check the pH value of the removed water at 25 C If the value is below 8 2 or above 10 0 clean the instal...

Страница 19: ...at the locations provided for this 11 Purge the heating pump using the heating pump s drain screw 12 Then check the heating installation pressure again if required repeat the filling procedure 13 Rem...

Страница 20: ...he pump s electronics Ensure that the brine pump is filled in the direction of flow 7 Use the filling pump 67 to pour the brine fluid from the brine container 66 into the brine circuit 7 2 3 Purging t...

Страница 21: ...tor and an earth conductor Fuse protect this connection using the exact values that are specified in the technical data If the local energy supply company requires that the heat pump is controlled usi...

Страница 22: ...ol PCB X110 is supplied with power via the bypass line from X110B 3 Connect the blockable power supply to the X101 power supply 4 Connect the continuous power supply to the X102 power supply 8 4 3 Con...

Страница 23: ...ay contact to the well pump is closed there is no voltage at La The X200 2 connection for the optional VR 11 temperature sensors which are available as accessories is labelled RR for return connection...

Страница 24: ...for compressor 8 X103 Bridge for supplying internal back up heaters if compressor and back up heater have the same tariff 9 X145 External back up heater 230 V L N PE 10 X1A 230 V supply for control P...

Страница 25: ...or multi function input can be adjusted in the system con trol 9 X26 Sensor cable harness 230 V L N PE 10 X100 S20 Limit thermostat 11 X100 S21 ESCO contact 12 X100 BUS Bus connection VR 900 13 X20 Da...

Страница 26: ...y 30 mm max 5 To prevent short circuits if a strand accidentally comes loose only strip the outer sheathing of flexible lines to a maximum of 30 mm 6 Ensure the inner conductor insulation is not damag...

Страница 27: ...uctions 3 Check the filling pressure of the heating installation and check for leaks 9 Start up 9 1 Operating concept Operating instructions 9 2 Starting up the heat pump system 50 d kWh reset 1 2 3 4...

Страница 28: ...electric back up heater External 2 0 kW 3 5 kW 5 5 kW 7 kW 9 kW 9 3 5 Purging the building circuit Start the check programme P 05 in order to purge the building circuit Section 11 6 9 3 6 Purging the...

Страница 29: ...his set ting for every heat pump with cooling function Go to the system control Activate cooling mode Installation instructions for the system control 9 8 Calling up statistics Menu Installer level Te...

Страница 30: ...800 40 50 60 70 80 90 100 B A 1 2 3 1 Air heat source 2 Ground heat source 3 Ground water heat source A Remaining feed head in hPa mbar B Pump output in 10 2 2 3 Remaining feed head for VWF 11x 4 buil...

Страница 31: ...onment circuit type set and the output range Navigate to the Menu Installer level Configuration Target env pump val menu item If necessary change the factory setting and confirm by pressing 10 2 4 Rem...

Страница 32: ...twice The display shows the value of the flow temperat ure in cooling mode 3 Change the flow temperature in cooling mode by pressing or 4 Confirm this change by pressing OK Note At the factory the ta...

Страница 33: ...is used to secure the internal electric back up heater against short circuits If the circuit breaker has been triggered the electric back up heater remains switched off until the short circuit has bee...

Страница 34: ...tration of the brine fluid and the pressure in the brine circuit Top up with brine fluid if required x x 5 Check that the expansion vessel and the expansion relief valve in the brine cir cuit are work...

Страница 35: ...supply 2 Drain the product 3 Dispose of the product and the operating materials in accordance with the national regulations 14 Recycling and disposal Disposing of the packaging Dispose of the packagi...

Страница 36: ...Z 11 PT 11 TT 14 TT 10 PT 10 TT 17 TT 30 PT 30 TT 31 TT 20 PT 20 TT 21 TZ 21 M C S E D V7 TCE CP2 1 3 2 4 5 6 FLT1 FLT2 1 Heating circuit diaphragm expansion vessel connec tion 2 Circulation connectio...

Страница 37: ...mpressor outlet temperature sensor TT14 Intermediate injection compressor inlet temperature sensor TT17 Electronic expansion valve outlet temperature sensor TT20 Heating return temperature sensor TT21...

Страница 38: ...sor connection 2 X15 internal 3 port diverter valve 3 X13 internal brine pump 4 X16 internal heating pump 5 X11 internal 4 port diverter valve 6 230 V supply to control PCB 7 To the heating pump 8 To...

Страница 39: ...connection for compressor X103 Optional power output for internal auxiliary electric heating X102 X102 Mains connection for internal auxiliary electric heat ing X110 Mains connection for heat pump co...

Страница 40: ...nternal auxiliary electric heating X102 X102 Mains connection for internal auxiliary electric heat ing X110 Mains connection for heat pump controller PCB In this case the heat pump is operated using t...

Страница 41: ...nal auxiliary electric heating X102 X102 Mains connection for internal auxiliary electric heat ing X110 Mains connection for heat pump controller PCB In this case the heat pump is operated using two e...

Страница 42: ...tricity tariffs two consumption meters A continuous power supply ensures the operation of the compressor and the control PCB of the heat pump via its own elec tricity meter The power from the addition...

Страница 43: ...ll pump starts Current value Im heater pwr cons Current value kWh Im heater switchings Current value Im heater op hours Current value h Installer level Test menu Check programs P 01 Heating mode Selec...

Страница 44: ...or active cooling only Off On Off On Off Sensors Building circuit sensors T 79 Flow temperature 40 90 0 1 T 80 Cooling flow temperature for passive cooling only 40 90 0 1 T 81 Return temperature 40 9...

Страница 45: ...40 90 0 1 T 123 EEV VI inlet temperature 40 90 0 1 T 124 EEV VI outlet temperat ure 40 90 0 1 T 127 High pressure 0 47 bar abs 0 1 T 128 Condensation temperat ure 40 70 0 1 T 129 Low pressure 0 47 bar...

Страница 46: ...5 kW 7 kW 9 kW 9 Env pump target val 1 100 1 Air to brine VWF 57 4 55 VWF 87 4 78 VWF 117 4 86 VWF 157 4 47 VWF 197 4 68 Ground to brine VWF 57 4 100 VWF 87 4 100 VWF 117 4 100 VWF 157 4 100 VWF 197...

Страница 47: ...set statistics Yes No No Factory settings Yes No No Installer level Start inst assistant Language Languages available for selection 02 English Env circuit type Select Air to brine Ground to brine Well...

Страница 48: ...oling Compressor shutdown S 112 Cooling Compressor blocked S 113 Cooling Compressor mode pre run S 114 Cooling Compressor active S 117 Cooling Compressor mode overrun S 118 Cooling Pre run S 119 Cooli...

Страница 49: ...ocked S 261 Fan unit 2 Safety cut out open S 262 Fan unit 2 De icing takes too long S 263 Fan unit 2 Air inlet temp too high S 264 Fan unit 2 Air inlet temp too low S 265 Environment circuit Pressure...

Страница 50: ...reduction mode activated The fan unit is de iced more fre quently than is required The effi ciency of the heat pump is reduced Loosen and clean any dirt from the fan unit air to brine heat exchanger C...

Страница 51: ...arness F 583 Building circuit Flow temp too low 4 port valve is mechanically blocked Temperature sensor in the flow is defective Air in the building circuit Check the building circuit flow rate Check...

Страница 52: ...nment circuit Brine fluid viscosity is too high Switch the heat pump off for at least 30 seconds no current Check the quality of the plug contact on the PCB Check that the pump functions cor rectly Pu...

Страница 53: ...or actuator test Check the refrigerant volume see Technical data Carry out a leak tightness test F 733 Evaporation temperature too low No flow rate in the environment circuit heating mode Energy input...

Страница 54: ...address switch position on the PCB of fan unit 2 Required switch position 2 F 783 Connection error Terminal block TMB Cable not connected or connected incor rectly Check the connection cable between t...

Страница 55: ...t has short circuited Check the sensor in the fan unit and replace if necessary Replace the cable harness in the fan unit F 792 Sensor fault VI inlet temp Sensor not connected or sensor input has shor...

Страница 56: ...rrent limiter F 1119 Compressor ICL fault In rush current limiter defective or incorrectly connected Mains voltage too low Check all plug contacts Check the ICL compressor connec tion Check the ICL co...

Страница 57: ...C Resistance ohms 40 327344 35 237193 30 173657 25 128410 20 95862 15 72222 10 54892 5 42073 0 32510 5 25316 10 19862 15 15694 20 12486 25 10000 30 8060 35 6535 40 5330 45 4372 50 3605 55 2989 60 249...

Страница 58: ...instructions 0020213394_05 M Characteristic values for the VRC DCF outdoor temperature sensor Temperature C Resistance ohms 25 2167 20 2067 15 1976 10 1862 5 1745 0 1619 5 1494 10 1387 15 1246 20 112...

Страница 59: ...hould 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 manufacturer...

Страница 60: ...V VWHP KDV EHHQ XVKHG 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...

Страница 61: ...ompany 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...

Страница 62: ...hould 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 manufacturer...

Страница 63: ...accordance with BS7593 2019 Yes Heat Pump outdoor unit Tick the appropriate boxes Measure and Record Is the heating system adequately frost protected and pipes insulated to prevent heat loss Yes Spli...

Страница 64: ...issioning l min Additional heat sources connected Gas Boiler Oil Boiler Electric Heater Solar Thermal Other ALL INSTALLATIONS All electrical work complies with the appropriate Regulations Yes The heat...

Страница 65: ...been checked and appropriate action taken in accordance with BS 7593 and heat pump manufacturers instructions Yes N a Comments Signature SERVICE 01 Date Engineer name Company name Telephone No Operat...

Страница 66: ...not have under taken this if the service engineers attendance visit was in between annual services to attend a non water facing component SERVICE 01 Date Engineer name Company name Telephone No Operat...

Страница 67: ...x with in rush current limiter 0 472 0 472 0 472 0 472 0 472 Fuse type characteristic C slow blow three pole switching disconnection of the three mains connection lines in one switching operation Desi...

Страница 68: ...Fe Cu CuZn Alloy Stainless Steel EPDM Brass Fe Cu CuZn Alloy Stainless Steel EPDM Brass Fe Cu CuZn Alloy Stainless Steel EPDM Brass Fe Cu CuZn Alloy Stainless Steel EPDM Brass Fe Permissible heating...

Страница 69: ...7 to 25 Permissible relative air humidity 40 to 75 40 to 75 40 to 75 40 to 75 40 to 75 Q 2 Brine heat source Heat source circuit brine circuit VWF 57 4 VWF 87 4 VWF 117 4 VWF 157 4 VWF 197 4 Min sourc...

Страница 70: ...6 26 kW Coefficient of performance B0 W55 T 8 K EN 14511 2 89 3 22 3 10 3 14 3 18 Heat output B10 W35 T 5 K 6 57 kW 10 50 kW 13 68 kW 17 57 kW 24 10 kW Effective power consumption for B10 W35 T 5 K 1...

Страница 71: ...consump tion for A7 W35 T 5 K with an external pressure loss of 250 mbar in the heating circuit 28 W 36 W 50 W 70 W 78 W Performance data The following performance data is applicable to new products...

Страница 72: ...dwater circuit VWF 57 4 VWF 87 4 VWF 117 4 VWF 157 4 VWF 197 4 Heat source module VWW 11 4 SI VWW 11 4 SI VWW 11 4 SI VWW 19 4 SI VWW 19 4 SI Nominal flow of groundwater at T 3 K with W10W35 1 450 l h...

Страница 73: ...T 8 K 2 12 kW 2 96 kW 3 93 kW 4 79 kW 6 74 kW Coefficient of performance W10 W55 T 8 K EN 14511 2 94 3 47 3 36 3 55 3 52 Sound power level W10 W35 EN 12102 EN 14511 LWI in heating mode 41 2 dB A 47 9...

Страница 74: ...44 X145 max 2 5 A 0 0 kW 11 3 6 0 6 0 5 3 0 0 0 0 6 0 6 0 6 0 2 0 kW 20 0 6 0 6 0 14 0 0 0 0 0 6 0 6 0 6 0 3 5 kW 11 3 6 0 21 2 5 3 0 0 15 2 6 0 6 0 6 0 5 5 kW 20 0 6 0 21 2 14 0 0 0 15 2 6 0 6 0 6 0...

Страница 75: ...5 2 10 0 10 0 10 0 7 0 kW 15 6 25 2 25 2 5 6 15 2 15 2 10 0 10 0 10 0 9 0 kW 24 3 25 2 25 2 14 3 15 2 15 2 10 0 10 0 10 0 VWF 197 4 400 V 0 0 kW 16 1 15 2 15 2 0 9 0 0 0 0 15 2 15 2 15 2 2 0 kW 24 8 1...

Страница 76: ...6 6 6 0 6 0 7 0 kW 0 6 6 0 21 2 21 2 0 0 15 2 15 2 6 6 6 0 6 0 9 0 kW 0 6 14 7 21 2 21 2 8 7 15 2 15 2 6 6 6 0 6 0 X12 max 1 3 A X14 max 0 9 A X141 X143 X144 X145 max 2 5 A 0 0 kW 5 3 6 0 6 0 6 0 0 0...

Страница 77: ...0 0 15 2 15 6 10 0 10 0 7 0 kW 5 6 10 0 25 2 25 2 0 0 15 2 15 2 15 6 10 0 10 0 9 0 kW 5 6 18 7 25 2 25 2 8 7 15 2 15 2 15 6 10 0 10 0 VWF 197 4 400 V 0 0 kW 0 9 15 2 15 2 15 2 0 0 0 0 0 0 16 1 15 2 15...

Страница 78: ...nsion drawing 13 Dimensions 13 Direct connection heating circuit 18 Disposal accessories 35 Disposal brine fluid 35 Disposal packaging 35 Disposal product 35 Disposing of refrigerant 35 Documents 7 E...

Страница 79: ...eed head environment circuit pump 31 Removing refrigerant circuit cover 16 Requirements heating circuit 17 Resetting circuit breaker 33 Restart 35 Routing eBUS lines 21 S Safety cut out 10 Safety devi...

Страница 80: ...isher manufacturer Vaillant GmbH Berghauser Str 40 D 42859 Remscheid Tel 49 2191 18 0 Fax 49 2191 18 2810 info vaillant de www vaillant de These instructions or parts thereof are protected by copyrigh...

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