Panasonic Aquarea Tank Duo GH 200 Design, Installation & Servicing Instructions Download

Page: 21 / 28

Page 21

SERVICING AND MAINTENANCE

FAULT FINDING

FAULT - Poor Water Flow at Hot Taps

FAULT - Water Discharge Into Tundish

Water service check by

supply company required

Clean or replace strainer

as appropriate

Service /replace PRV

as appropriate

START

END

Is incoming mains supply

flow/pressure adequate?

Is in-line strainer

(in combination valve)

clean?

YES

Clear obstructions

Is system free from

restrictions/blockages?

YES

Is pressure reducing valve

(in combination valve)

working?

Clean or replace

as required

Is expansion vessel

charge pressure correct?

Replace ERV/TPRV

Replace PRV

END

START

Is pressure downstream

of pressure reducing valve

correct?

Is valve seal and seat
clean & undamaged?

Is heater operating at

less than 60ºC?

Re-set temperature

YES

Is ERV/TPRV

discharging?

YES

Recommission

expansion

vessel pressure

Summary of Contents for Aquarea Tank Duo GH 200

Page 1: ...esign Installation Servicing Instructions Models covered in this manual Aquarea Duo 200 300 litres Aquarea Duo Pre plumbed 200 300 litres Unvented cylinders specifically designed to work with a heat pump ...

Page 2: ...se of the appliance by a person responsible for their safety Children should be supervised at all times to ensure they do not play with the appliance This information is provided to assist generally in the selection of equipment Responsibility for selection and specification of our equipment must however remain that of our customer and any experts or consultants concerned with the installation s P...

Page 3: ...Opening temperature of P T Relief Valve 92 95 C Energy cut out thermostat setting 82 C Max working pressure Primary heat exchanger Indirect models 6 bar Immersion heater rating 3kW 240V AC All cylinders are manufactured in accordance with the requirements of BS EN 12897 The tundish must be positioned so that it is visible to the occupant and is away from electrical devices Components supplied with...

Page 4: ...ze volume litres 24 35 Expansion vessel initial charge pressure bar 3 3 Height mm 1992 2030 Diameter mm 550 630 Buffer vent A mm 2000 2037 Buffer connections B mm 1657 1752 T P relief valve C mm 1235 1330 Hot supply D mm 1190 1330 Heat pump flow E mm 1440 1510 Secondary return F mm 1127 1170 Control thermostat x2 G mm 495 560 Heat pump return H mm 265 310 Immersion heater J mm 220 240 Cold feed K ...

Page 5: ...5 Expansion vessel initial charge pressure bar 3 3 Height mm 1992 2030 Diameter mm 550 630 Buffer vent A mm 2000 2037 Buffer connections B mm 1657 1752 Cold feed C mm 1110 1205 Hot supply D mm 1190 1330 Tundish E mm 690 825 Secondary return F mm 1127 1170 Heat pump flow G mm 963 1000 Control thermostat x2 H mm 495 560 Immersion heater J mm 220 240 Heat pump return K mm 390 433 Primary heat exchang...

Page 6: ...urn compression 11 Control thermostat 22mm dual pocket 12 HP return 28mm plain pipe 13 Immersion heater 1 female 14 Cold feed 22mm plain pipe 15 Three port motorised valve Part G3 loose components supplied in a separate box A Combination inlet group incorporating pressure reducing valve strainer check valve balance cold take off point expansion relief valve and expansion vessel connection points B...

Page 7: ... dual pocket 12 HP return 1 compression 13 Immersion heater 1 female 14 Three port motorised valve 15 Combination inlet group incorporating pressure reducing valve strainer check valve balance cold take off point expansion relief valve and expansion vessel connection points 16 Auto bypass 17 System pressure gauge 18 Filling loop Part G3 loose components supplied in a separate box A Potable expansi...

Page 8: ...ion heater for backup and sterilisation purposes The multi pass arrangement of the coil enables high flow rates to be passed through it withlowpressurelosses Theimmersionheaterisusuallycontrolledbytheheatpump control system which determines when it needs to run based upon the parameters selected by the commissioning engineer The product is supplied with a full divert 3 port valve as the energy cut...

Page 9: ...mended for new systems or to some lesser standard where practical constraints dictate The pipe connecting the heat pump flow to the appliance must not be less than 22mm copper or equivalent Further guidance on converting heat loss limits to insulation thickness for specific thermalconductivitiesisavailableinTIMSA HVACguidanceforachievingcompliance with Part L of the Building Regulations INSTALLATI...

Page 10: ...eat Pump Selection Guide 1 Flow rates in various units for comparison with heat pump manufacturers data m3 h 0 50 0 75 1 00 1 25 1 50 1 75 2 00 2 25 2 50 2 75 3 00 3 25 3 50 3 75 4 00 4 25 l min 8 33 12 50 16 67 20 83 25 00 29 17 33 33 37 50 41 67 45 83 50 00 54 17 58 33 62 50 66 67 70 83 l sec or kg s 0 14 0 21 0 28 0 35 0 42 0 49 0 56 0 63 0 69 0 76 0 83 0 90 0 97 1 04 1 11 1 18 2 Velocity in pi...

Page 11: ...ings Aeratedtapsarerecommendedtopreventsplashing Anytypeofshowermixingvalve can be used as long as both the hot and cold supplies are mains fed However all mains pressure systems are subject to dynamic changes particularly when other hot and cold taps showers are opened and closed which will cause changes in the water temperature at mixed water outlets such as showers For this reason and because t...

Page 12: ...the discharge be of metal and a Be at least one pipe size larger than the nominaloutletsizeofthesafetydeviceunless its total equivalent hydraulic resistance exceeds that of a straight pipe 9m long i e discharge pipes between 9m and 18m equivalent resistance length should be at leasttwosizeslargerthanthenominaloutlet size of the safety device between 18 and 27m at least 3 sizes larger and so on Ben...

Page 13: ...ccupiedby blind infirmordisabledpeople considerationshouldbegiventotheinstallation of an electronically operated device to warn when discharge takes place Safety The safety devices supplied or fitted on an Aquarea are selected for their suitability for the temperatures and pressures involved They must not be changed removed or by passedanditisessentialthatonlygenuinereplacementpartssuppliedorappro...

Page 14: ... having a contact separation at least 3mm see diagram above Danger of electrocution before making any adjustments to the thermostat isolate the immersion heater from the mains electricity supply at the fuse spur unit The immersion heater thermostats incorporate a manual reset safety overheat cut out thermostat Should this operate investigate the cause for the operation cut out before pressing the ...

Page 15: ...port B Power is supplied to the 3 port valve when in cylinder charging mode Therefore the cylinder cannot be heated if there is no power to the valve The cylinder tank sensor sends accurate temperature information to the remote control unit this information coupled with the program times controls the cylinder charging If the cylinder is not heated quickly enough the Boost immersion heater will fun...

Page 16: ... N L N COOL HEAT N CLOSE OPEN 2 3 4 5 6 Lead wire cord 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 Booster Heater Cord Solar Three way Valve Cable Tank OLP Cable Tank Sensor Cable External Controller Cable Solar Pump Station Cable Room Thermostat Tank temperature sensor AB B To the heating system AB A To the tank Spannungslos Valve de energized Valve energized 3 way valve C 1 C 1 2 Dual Aqau S...

Page 17: ...n cause damage unless the appliance is adequately flushed and refilled with the mains water immediately on completion of the disinfection procedure Damage caused through a failure to do this adequately will not be covered by the warranty For the above reasons we recommend the use of a non chlorine dased disinfectant such as Fernox LP Sterox as manufactured by Cookson Electronics when carrying out ...

Page 18: ...re in the system stabilises This is quite normal with these types of systems and does not indicate a fault In some areas the water will initially appear cloudy but will quickly clear when left to stand This is nothing to be concerned about and is due to aeration of the water WARNING Ifwaterisseenflowingthroughthetundish thisindicatesafaultcondition which needs action If the discharge is hot and co...

Page 19: ...ipes from temperature and expansion relief valves are free from obstruction and blockage and are not passing any water 5 Check the condition and if necessary descale the heat exchangers in hard water areas 6 Check that water pressure downstream of pressure reducing valve is within the manufacturers limits 7 Check operation of motorised valve 8 Check the pressure on the air side of the expansion ve...

Page 20: ...electrical ensure that the immersion heaters are isolated from the mains before re setting the energy cut out If the immersion heater s need replacing this should be done with the units supplied from Aquarea See page 14 for more details Discharge From Relief Valves If cold water is discharging from the expansion relief valve into the tundish check the pressure on the expansion vessel when cold and...

Page 21: ...tion valve clean YES YES YES YES NO NO NO Clear obstructions Is system free from restrictions blockages YES NO Is pressure reducing valve in combination valve working Clean or replace as required Is expansion vessel charge pressure correct Replace ERV TPRV Replace PRV END START Is pressure downstream of pressure reducing valve correct Is valve seal and seat clean undamaged Is heater operating at l...

Page 22: ...r 1 SG021 5 flexible hose 1 SG024 6 24 litre expansion vessel 1 XG192 7 35 litre expansion vessel 1 XG193 8 Wall mounting bracket for 35 litre expansion vessel 1 XG058 9 3 port valve 1 XC015 10 Junction wiring box 12 way 1 XG129 11 Control and overheat limit thermostat 1 XG213 12 15mm x 22mm tundish 1 XG207 13 TWA sensor 1 GT529 14 1 2 Automatic air vent 1 GT015 15 1 immersion blank 1 FT467 16 50m...

Page 23: ...d House 40 New Road Stourbridge West Midlands DY8 1PA TELEPHONE 01384 442611 FAX 01384 442612 Water Savings Water Related Costs Can Be Reduced By Good Plumbing Practice TAPS MIXERS SHOWERS Unregulated 25 30 l m Regulated 10 12 l m Over 20 l m 5 6 or 8 l m 2 tap half open Fitted with regulator Unregulated 4 Fixing Options For Taps Mixers 1 MK Range Combined Regulators Aerator forscrewingontoTaps Mi...

Page 24: ...ure you have a good hold e Taking the lead for team lifts As more than one person is required for these products ensure that one person is taking the lead This may be you so ensure that each person that is helping is made aware of the weight and of the items listed within this assessment Make sure you and any others helping know the route you intend to take that it is clear of any obstructions Nev...

Page 25: ...ddress in UK or Ireland free of charge during the first year after delivery by us ii thereafter at a charge of one twenty fifth of the then current list price during the second year after delivery by us and increasing by a further one twenty fifth on the second and subsequent anniversary of delivery by us ACTION IN THE EVENT OF FAILURE We will require the return of a cylinder which develops a leak...

Page 26: ...ate will then be issued to the customer Heating and Hotwater Industry Council HHIC www centralheating co uk demonstrating compliance with the appropriate Building Regulations and then handed to the customer to keep for future reference Failure to install and commission this equipment to the manufacturer s instructions may invalidate the warranty but does not affect statutory rights Customer name T...

Page 27: ...ame 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 name Telephone No Comments...

Page 28: ... the latest design and installation manuals available from our technical support team or on our website It is an offence to copy or adapt this document without consent of the owner Panasonic UK Panasonic House Willoughby Road Bracknell Berkshire RG12 8FP Tel 01344 853182 Fax 01344 853021 Technical 01344 853393 uk aircon salesadmin eu panasonic com www aircon panasonic co uk ...

Search results

Summary of Contents for Aquarea Tank Duo GH 200

Reviews:

Related manuals for Aquarea Tank Duo GH 200

Brands by name

Popular brands

Panasonic Aquarea Tank Duo GH 200, Design, Installation & Servicing Instructions

Search results

Summary of Contents for Aquarea Tank Duo GH 200

Reviews:

Related manuals for Aquarea Tank Duo GH 200

Brands by name

Popular brands