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Fault investigation

The inlet and outlet screens and the evaporator must be checked for
dirt regularly, and cleaned when necessary.

Corrective action

• See fault display

•  Replace fuse
•  Switch on main switch

•  Reset safety thermostat
•  Replace

•  Replace
•  Replace
•  Turn on
•  Check standby, replace

• See fault display

• Clean

• Install
• Fill

Cause

• See fault display

• No power to the plug
• Main switch switched off

• Overheating
• Electrical connection defective

•  Electrical connection defective
•  Pump defective
•  Pump blocked
•  Boiler not in standby position

• High-pressure fault

•  Condensate drainage blocked

•  No drainage siphon installed
•  No water in drainage siphon

Fault

Alarm signal in display

  Electrical fault
  no display

  Electrical heating does not heat
  up, although switched on

Additional heating does not heat up,
although it is switched on

Fault No. 5 or 6

Condensate leak during operation

Smell

You can minimise the risk of a fault
occurring by signing up to a service
contract. If despite this something
goes wrong, go through the

fault checklist. Make sure that you
have adhered to the instructions in
the manual. If nevertheless

the fault cannot be eliminated,
please contact your Hoval
customer service.

Typ CombiVal WP-VT (2141)

Fault investigation

Содержание CombiVal WP-VT

Страница 1: ...to modifications Operating Instructions Hoval United Kingdom Hoval LTD Northgate Newark Nottinghamshire NG24 1JN Phone 44 1636 67 27 11 Fax 44 1636 67 35 32 Hoval Export Hovalwerk AG Austrasse 70 9490 Vaduz Principality of Liechtenstein Phone 423 399 24 00 Fax 423 399 26 18 ...

Страница 2: ...__________________________________ ______________________________________ Tel No ________________________________ Electrician ______________________________________ ______________________________________ ______________________________________ Tel No ________________________________ Important addresses Important addresses 2 Safety Instructions 3 Product Description and Mode of Operation 4 Fault Ind...

Страница 3: ...it has been ap proved by Hoval Do not make any modifications to the equipment as this will result in invalidating all legal claims Con version kits must be installed by and obtained from the licensed installer or Hoval Customer Ser vices In the event of damage or mal function find out about the repairs required from Hoval Customer Services To prevent any damage it is essential that the equipment b...

Страница 4: ... use with normal drinking water No guarantees can be given if drinking water of above average aggressivity is used The protective anode should be checked regularly and if necessary exchanged by your installer or by Hoval Customer Service This is a condition of the guarantee fig 1 The magnesium protective anode must under all circumstances be renewed if the diameter is down to only 10 mm Fig 1 Prot...

Страница 5: ... Acknowledge Press 3 Alarm fault Heat pump in hot water mode Further data Off Standby Legionella heating up to 65 C in operation De icing mode De icing gas De icing air De icing off De icing stop 4 Operating status data 5 Target temperature of hot water Set point Target hot water temperature Flashing Setpoint 45 C 3 Press knob acknowledge the new set temperature is now effective The setting should...

Страница 6: ... the pump and or electrical heating and or the boiler The function of the water heating operation is controlled by the user program heat pump operational status W Wasser Temperature control by sensors Tmax set point and Tmin The heat pump is switched on if the temperature falls below the set value is reached If the heat pump is switched off the target temperature of the heat ing water is reached w...

Страница 7: ...ttings Inform service Alarm overview fault overview Alarm fault overview WP VT Alarms and faults can be seen in the user level alarm mode and acknowledged If the error is not eliminated then even if acknowledged the alarm display remains If several alarms faults arise they are placed in sequence and shown as a priority list The alarms faults are divided into 3 groups alarm levels Alarm group Alarm...

Страница 8: ... not in standby position High pressure fault Condensate drainage blocked No drainage siphon installed No water in drainage siphon Fault Alarm signal in display Electrical fault no display Electrical heating does not heat up although switched on Additional heating does not heat up although it is switched on Fault No 5 or 6 Condensate leak during operation Smell You can minimise the risk of a fault ...

Страница 9: ...e tight From time to time check to ensure that the operating voltage and phase ir regularity remains within the specified limits Performance monitoring The temperature difference between the inlet air and exhaust air should be approximately 5 7K Greater tempera ture differences point towards prob lems in air throughput check both inlet and exhaust air flow whereas differ ences smaller than 4K indi...

Страница 10: ...y Hoval Deutschland GmbH Karl Hammerschmidt Strasse 45 D 85609 Aschheim Dornach Phone 49 89 92 20 97 0 Fax 49 89 92 20 97 77 www hoval de Austria Hoval Gesellschaft mbH Hovalstrasse 11 A 4614 Marchtrenk Phone 43 50 365 0 Fax 43 50 365 5005 www hoval at Italy Hoval Italia S r l Via per Azzano San Paolo 26 28 I 24050 Grassobbio BG Phone 39 035 52 50 69 Fax 39 035 52 58 58 www hoval it France Hoval F...

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