REMEHA 1000 Indirect Installation Manual Download

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36006247_issue_08

page 32

emeha UnveRemeha Unvented Flexistor Water Heaters Installation (7038477_issue _01) Pre Serial No 1831nted Flexistor Water Heaters Installation (7038477_issue
_01) Pre Serial No 1831

Summary of Contents for 1000 Indirect

Page 1: ...R36006247_issue_08 Installation Manual Unvented Indirect Water Heaters Installation Servicing Instructions...

Page 2: ......

Page 3: ...fety 2 1 General safety warnings 2 2 Recommendations 2 3 Specific safety instructions 3 Technical specifications 3 1 Immersion allocation 3 2 Technical data 3 3 Dimensions and connections 3 4 Electric...

Page 4: ...rocedure 8 Operation 8 1 General 9 Maintenance 9 1 General 9 2 Standard inspection maintenance operations 10 Troubleshooting 10 1 Fault finding 11 Decommissioning 11 1 Decommissioning procedure 12 Spa...

Page 5: ...ous risk levels are employed to draw the user s attention to particular information In doing so we wish to safeguard the user avoid hazards and guarantee the correct operation of the appliance DANGER...

Page 6: ...ut any checks necessary Complete the commissioning checklist Explain the installation to the user If maintenance is necessary warn the user of the obligation to check the appliance and maintain it in...

Page 7: ...d the installation Do not tamper with any of the safety valves or controls supplied with the cylinder Before any work switch off the mains supply to the appliance Do not switch on if there is a possib...

Page 8: ...3 1 Immersion allocation Table 1 Immersion allocation table Element 94110301 94110302 94110303 94110304 94110305 94110306 94110307 94110308 94110309 Kw 6 9 12 18 24 30 36 45 54 Location Upper Lower Up...

Page 9: ...82 Weight full kg 505 610 964 1188 1569 1872 2445 2950 Weight empty kg 105 110 164 188 319 322 445 450 Max supply pressure 1 6 MPa 16 bar Max design pressure 0 8 MPa 8 bar Max operating pressure 0 6 M...

Page 10: ...10 bar 1 x 1 25 8 bar or 13 bar 1 5 2000 2500 2 1 5 6 bar or 5 10 bar 1 25 x 1 5 8 bar or 13 bar 2 Commercial Cylinder Volume ltr Expansion Vessel Size ltr Mounting Kit Weights 400 500 60 Floor Mounte...

Page 11: ......

Page 12: ...443 1 BSP 527 527 1 BSP 599 599 F 1 BSP 309 309 1 BSP 437 437 1 BSP 526 526 2 BSP 606 606 G N A N A 487 487 N A 526 526 N A 575 575 H N A BSP 657 657 BSP 751 751 BSP 815 815 I N A 774 859 N A 952 952...

Page 13: ...Figure 3 Indirect wiring diagram 1 Thermostat Option 2...

Page 14: ...Figure 3a Indirect wiring diagram 2 volt free option NOTE Option 2 utilises control thermostat to provide volt free control circuit page 8...

Page 15: ...Figure 4 Single phase wiring schematic...

Page 16: ...al contactors must be approved components certified for 10 000 cycles of operation for the contactor controlled by the thermostat and at least 30 for the contactor controlled by the non self resetting...

Page 17: ...pplications The water is heated indirectly through a coil in the unit using an indirect heat source It can also be heated using Auxiliary immersion heaters To provide pressure to the tap or shower an...

Page 18: ...2 port zone valve...

Page 19: ......

Page 20: ...emand can be satisfactorily met The minimum supply requirements should be 0 15MPa 1 5 bar pressure and 100 litres per minute flow rate A 28mm cold water supply is recommended as a minimum However if a...

Page 21: ...pipe away any discharge from the safety valves In areas where the water consistently contains a high proportion of solids e g suspended matter that could block the strainer unless adequate filtration...

Page 22: ...der is level and capable of permanently supporting the weight when full of water see table 2 for weights 5 4 Transport Prior to installation the unit should be stored and transported in an area free f...

Page 23: ...itted temperature pressure relief valve be removed other than by a competent person To do so will invalidate any guarantee or claim The cold water combination valve assembly must be fitted on the main...

Page 24: ......

Page 25: ...stable and should be set between 1 5 6 bar The valve can be fitted in any orientation to suit the installation as long as the valve is installed with the direction of flow arrows pointing in the corre...

Page 26: ...Figure 10 Cold water combination valve 400 500ltr page 13 Secondary circulation If secondary circulation is required it is recommended that it be connected to the cylinder as shown see fig 11 below...

Page 27: ...stratification kits The correct size of de stratification kit must be used with your cylinder to ensure the volume can be circulated in 1 hour The pump instructions will need to be reviewed for infor...

Page 28: ...ure and pressure relief valve from a single unvented hot water system discharge by way of the same manifold that is used by the safety devices the manifold should be factory fitted as part of the hot...

Page 29: ...corporating a water trap which allows water into the branch pipe without allowing foul air from the drain to be ventilated through the tundish b be a separate branch pipe with no sanitary appliances c...

Page 30: ...he next largest size Maximum resistance allowed for a straight length of 28mm pipe D2 from a G1 2 temperature relief valves equates to 18m Subtract the resistance of 4 No 28mm elbows at 1 0m each 4 0m...

Page 31: ......

Page 32: ...n the centre of the heater plate and a cut out which is fitted to the side of the thermostat These MUST be wired in series with the operating coil circuit of the contactor not supplied Space and heati...

Page 33: ...allow the cylinder to heat up to normal working temperature 65 C recommended If necessary the temperature can be adjusted by inserting a flat bladed screwdriver in the adjustment spindle on front of t...

Page 34: ...planation of its operation The installer is legally required to complete a commissioning checklist as a means of complying with the appropriate Building Regulations England Wales All installations mus...

Page 35: ...Figure 12 Auxiliary controls...

Page 36: ...Figure 13 Indirect controls page 18 8 Operation 8 1 General...

Page 37: ...0 C to 80 C Maximum working temperature is 80 C 176 F In very hard water areas limit to 60 65 C 140 150 F For optimal working conditions the thermostat should be set to 70 C max If the thermostat is s...

Page 38: ...tandard inspection maintenance operations Inspection The immersion heater boss can be used as an access for inspecting the cylinder internally Safety valve operation CAUTION Water discharged may be ve...

Page 39: ...eck the charge pressure using a tyre pressure gauge The pressure must be set in accordance with the inlet pressure set on the pressure reducing valve If it is lower than the required setting it should...

Page 40: ...ater heater and its associated controls MUST be carried out by a competent installer for unvented water heating systems In case of doubt contact service support Spare Parts A full range of spare parts...

Page 41: ...rols replace if faulty Milky water Oxygenated water Water from a pressurised system releases oxygen bubbles when flowing The milkiness will disappear after a short while 11 Decommissioning 11 1 Decomm...

Page 42: ...SOLATING BALL VALVE 2 95605181 13 ISOLATING DRAIN VALVE 1 95605182 14 TUNDISH 22mm 28MM 7716580 15 TUNDISH 1 1 2 X 2 95607452 16 PRV 1 SET PRESSURE 1 5 TO 6 BAR MAX IP 16 BAR 95605183 17 PRV 1 SET PRE...

Page 43: ...ATION UP 20 30N 95607366 36 PUMP 3 SPEED CIRCULATION UPS 15 50N 130 95607404 37 28MM PUMP ISOLATING VALVE 95605177 38 2 PORT MOTORISED VALVE BODY DN32 7031586 39 2 PORT MOTORISED VALVE BODY DN40 70315...

Page 44: ...10308 54kW Element Assembly 94110309 Destratification loop kit 400 500 litre 95970140 Destratification loop kit 800 1450 litre 95970157 Destratification loop kit 2000 2500 litre 95970158 Temperature g...

Page 45: ...3 7 8 Part No See table Part No 95 605 176 9 12 13 Part No See table Part No 95 605 182...

Page 46: ...14 15 Part No 95 607 367 Part No 95 607 425 16 18 19 21 Part No See table Part No See table...

Page 47: ...22 23 24 Part No 95 605 192 95 605 194 Part No 95 605 103 25 26 Part No 7033371 Part No 95 612 650...

Page 48: ...27 28 Part No 95 612 652 Part No 95 605 884 29 30 31 Part No 7031564 7031565 Part No 95 607 690...

Page 49: ...32 33 Part No 95 607 691 Part No 95 980 025 34 35 36 Part No 95 980 009 Part No 95 607 366 95 607 404...

Page 50: ...37 38 39 Part No 95 605 177 Part No 7031586 7031587 40 41 42 Part No 7031588 7035971 Part No 7031595 7031596 page 24 page 25 page 26...

Page 51: ...page 27 page 28 page 29 MAINS PRESSURE HOT WATER STORAGE SYSTEM COMMISSIONING CHECKLIST...

Page 52: ......

Page 53: ...water system is serviced regularly and that the appropriate Service Record is completed Service Provider Before completing the appropriate Service Record below please ensure you have carried out the s...

Page 54: ......

Page 55: ...e water heater has not been subjected to excessive pressure beyond the guidelines detailed in the installation instructions The water heater has not been subjected to frost nor has it been tampered wi...

Page 56: ...boilers remeha co uk 36006247_issue_08 page 32 emeha UnveRemeha Unvented Flexistor Water Heaters Installation 7038477_issue _01 Pre Serial No 1831nted Flexistor Water Heaters Installation 7038477_issu...

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