Viessmann 7441 770 Installation And Service Instructions For Contractors Download

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5601325 GB

3/2020

Please keep safe.

Installation and service

instructions

for contractors

VIESMANN

Condensate lifting system

V AH-300

Safety instructions

Please follow these safety instructions closely to prevent accidents
and material losses.

Safety instructions explained

Danger

This symbol warns against the
risk of injury.

Please note

This symbol warns against the
risk of material losses and envi-
ronmental pollution.

Note

Details identified by the word "Note"
contain additional information.

Target group

These instructions are exclusively
intended for qualified contractors.
■ Work on electrical equipment may

only be carried out by a qualified
electrician.

Regulations to be observed

■ National installation regulations
■ Statutory regulations for the preven-

tion of accidents

■ Statutory regulations for environmen-

tal protection

■ Codes of practice of the relevant

trade associations

■ Relevant country-specific safety reg-

ulations

Summary of Contents for 7441 770

Page 1: ...st the risk of material losses and envi ronmental pollution Note Details identified by the word Note contain additional information Target group These instructions are exclusively intended for qualified contractors Work on electrical equipment may only be carried out by a qualified electrician Regulations to be observed National installation regulations Statutory regulations for the preven tion of...

Page 2: ...e appli ance and let it cool down Do not touch hot surfaces on the appliance fittings or pipe work Please note Electronic assemblies can be damaged by electrostatic dis charge Prior to commencing work touch earthed objects such as heating or water pipes to dis charge static loads Repair work Please note Repairing components that fulfil a safety function can compro mise the safe operation of the sy...

Page 3: ...t operation The condensate removal pump is not suitable for pumping the following liq uids Non neutralised condensate from oil condensing boilers Salt water Water containing chlorine Condensate with textile or paper par ticles Aggressive liquids chemicals Corrosive flammable explosive and gas emitting liquids Spare parts lists Information about spare parts can be found at www viessmann com etapp o...

Page 4: ... horizontal level and load bearing installation surface Easy accessibility for maintenance work Available socket 230 V 50 Hz per manent voltage in the immediate vicinity The length of the power cable is 2 m Existing sewer connection min DN 40 This must allow drainage of min 18 l min without obstruction Note Choose an installation location that means the supply and drain hoses are as short as possi...

Page 5: ...on densate lifting system with a fall Secure the hose with hose clips Note Never step on the hose Protect the hose against mechanical damage 5 Route the drain hose into the drain age system Secure the hose with hose clips Note Secure the free end of the drain hose because water flows out under pressure If the drain hose is extended and or constricted by hose con nectors this leads to a reduction i...

Page 6: ...6 Note The level switch and overflow alarm switch must be fully inserted into the locking ring fitting so that they rest against the locking ring fitting Positioning and connecting cont 5601325 ...

Page 7: ...9 1 3 M 1 BU BN GNYE A B L N A Power supply 230 V 50 Hz B Feed pump 230 V 50 Hz Colour coding to DIN IEC 60757 BN brown BU blue GNYE green yellow Terminal assignment of the overflow alarm switch Note If required connect the overflow alarm switch with the sockets supplied in the cap 1 2 3 Breaking capacity 250 V 6 A resistive load Electrical connection Flat pin sockets 6 3 x 0 8 mm Electrical conne...

Page 8: ...y subject to the volume and contamination of the condensate but at least once a year It must be carried out by an approved heating contractor or personnel trained by this approved heating contractor Inspection 1 Open the condensate lifting system cover 2 Check filter basket for contamina tion and clean if required 3 Check that the hoses are secure 4 Check that the level switch and overflow alarm s...

Page 9: ...ination inside the pump Open pump cover and clean pump Then carefully clean the sealing faces refit the pump cover cor rectly pressure chamber above the pressure joint and secure with screws Note First screw in the two fixing screws next to the pressure joint and tighten then the ones opposite Then screw in and tighten all other fixing screws Please note Leaks in the pump cover lead to reduced out...

Page 10: ...serted into the locking ring fitting so that they rest against the lock ing ring fitting 10 Carry out a visual inspection of all components for damage and leaks 11 Close the condensate lifting sys tem cover again 12 Restart the condensate lifting sys tem 13 Record service on page 13 Maintenance cont 5601325 ...

Page 11: ...ic measur ing if required in stall a larger or ad ditional condensate lifting system Delivery head at drain too large Check pump rate or delivery head Feed pump starts repeatedly even though no condensate is flowing Non return valve is contaminated or dam aged causing conden sate return Drain and undo the drain hose Remove non return valve with a pair of poin ted pliers and clean replace if requir...

Page 12: ...eat generator It switches when the con densate level is approx 150 mm and is reset when the level is approx 135 mm The alarm delay available as an accessory for connection to the over flow alarm switch enables the heat gen erator to be switched off in parallel to a fault message or after a time delay A delayed heat generator shutdown can only be carried out if condensate flow ing back cannot cause...

Page 13: ...e service Maintenance service Maintenance service Date By Maintenance service Maintenance service Maintenance service Date By Maintenance service Maintenance service Maintenance service Date By Maintenance service Maintenance service Maintenance service Date By Report 5601325 ...

Page 14: ... Max delivery head m 5 5 Pump rate With 4 m delivery head l h 300 Max l h 660 Condensate temperature ºC 5 60 Ambient temperature ºC 5 40 Weight In the delivered condition kg 8 Curve of the feed pump with a hose length of 6 m 4 0 1 2 3 0 100 200 300 400 500 5 6 600 700 Flow rate l h Delivery head m Specification 5601325 ...

Page 15: ...of the components in domestic waste Note Information about collection points for this product can be obtained from the local council the public waste disposal authority an authorised body for the disposal of electrical and electronic products or the rubbish collection serv ice Final decommissioning and disposal 5601325 ...

Page 16: ...16 Declaration of Conformity 5601325 ...

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Page 20: ... Shropshire TF1 7YP GB Telephone 44 1952 675000 Fax 44 1952 675040 E mail info uk viessmann com Viessmann Werke GmbH Co KG D 35107 Allendorf Telephone 49 6452 70 0 Fax 49 6452 70 2780 www viessmann com 5601325 Subject to technical modifications ...

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