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CONNECTIONS – ELECTRICAL

37

POWER FLUE EXTERNAL CONTROLS

– 24 HOUR OPERATION

Notes

1. Power source for the water heater, fan and control circuit must be from the same circuit.

2. R1 monitors return signal.

3. R2 monitors alarm signal.

4. T1 to be set for 20-30 seconds.

5. Replace plug of water heater power supply cord with SPO with round earth terminal.

6. Meets requirements of Clause H2.2.5 of AS/NZS 5601.1 providing lockout in the event of flue product flow

failure.

WIRING DIAGRAM - 24 HR FAN OPERATION POWER FLUE CONNECTION

MULTIPLE and SINGLE RHEEM 621 SERIES & RAYPAK TYPE A SERIES (197- 427)

WATER HEATERS

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Содержание 625275

Страница 1: ...r heater must be installed and serviced by a qualified person Please leave this guide with the householder Owner s Guide and Installation Instructions 625275 635275 Gas Heavy Duty Water Heater 275 lit...

Страница 2: ...alia Pty Ltd Note Every care has been taken to ensure accuracy in preparation of this publication No liability can be accepted for any consequences which may arise as a result of its application Warni...

Страница 3: ...installer but may be of interest Warranty 4 Safety Warnings Installation Notes 7 About Your Water Heater 10 Maintenance Requirements 13 Water Supplies 15 Save A Service Call 18 Installation 21 Connec...

Страница 4: ...will be at your cost 2 3 Where a failed component or cylinder is replaced under this warranty the balance of the original warranty period will remain effective The replacement does not carry a new Eve...

Страница 5: ...ance with the guidelines in the Everhot water heater literature any resultant fault will not be covered by the Everhot warranty 3 WHAT IS COVERED BY THE EVERHOT WARRANTY FOR THE WATER HEATERS DETAILED...

Страница 6: ...act number and date of installation of the water heater or if that s unavailable the date of manufacture and serial number from the rating label on the water heater b Rheem will arrange for the water...

Страница 7: ...se devices is fitted and is in working order The Everhot warranty may not cover faults if safety devices or the relief valve are tampered with or if the installation is not in accordance with these in...

Страница 8: ...Warning Never block the outlet of either valve or their drain lines for any reason A relief valve drain must be left open to atmosphere and be installed in a continuously downward direction In locati...

Страница 9: ...nt cover The temperature rating of the power supply wires insulation must suit this application or the wiring protected by insulating sleeving with an appropriate temperature rating if it can make con...

Страница 10: ...ibution it is recommended the thermostat is set at 60 C unless sanitising temperatures are required Note AS 3498 requires that a water heater provides the means to inhibit the growth of Legionella bac...

Страница 11: ...installation and draining of a safe tray or bund must comply with AS NZS 3500 4 and all local codes and regulatory authority requirements AS NZS 3500 4 also has particular requirements when a safe tra...

Страница 12: ...THE WATER HEATER The water heater is suitable for most public water supplies however some water chemistries may have detrimental effects on the water heater its components and fittings Refer to Water...

Страница 13: ...nd efficient operation it is recommended a service be conducted on the water heater every twelve 12 months Warning Servicing of a gas water heater must only be carried out by qualified personnel Phone...

Страница 14: ...if required replace the anodes If the anodes are not replaced they should be replaced within three 3 years of this service refer to Anode Inspection and Replacement on page 16 Check and if necessary a...

Страница 15: ...by the Everhot warranty when the total dissolved solids TDS content in the water is less than 2500 mg L and when the correct colour coded anode is used If an incorrect colour coded anode is used in t...

Страница 16: ...o or more weeks the following procedure should be carried out before using any electrical appliances automatic washing machines and dishwashers which are connected to the hot water supply The hydrogen...

Страница 17: ...try Component Total Dissolved Solids TDS 2500 mg L water heater cylinder Total Dissolved Solids TDS not suitable for anode type water heater cylinder Saturation Index SI 0 4 if expansion control valve...

Страница 18: ...r plumber fit a flow control valve to each shower outlet to reduce water usage Relief valve running Is the relief valve discharging too much water Refer to Temperature Pressure Relief Valve or Expansi...

Страница 19: ...LIEF VALVE OR EXPANSION CONTROL VALVE RUNNING Normal Operation It is normal and desirable the temperature pressure relief valve or expansion control valve if fitted allows a quantity of water to escap...

Страница 20: ...l Valve Running on page 19 Are outlets especially the showers using more hot water than you think Refer to Not Enough Hot Water on page 18 Is there a leaking hot water pipe dripping hot water tap etc...

Страница 21: ...or business then there should be back up redundancy within the hot water system design This should ensure the continuity of hot water supply in the event that this water heater was to become inoperab...

Страница 22: ...appliances installed in the same space Secondary Flue A secondary flue must be installed with an indoor gas water heater to discharge combustion products outside the building The flue design and insta...

Страница 23: ...e building such as an openable window measured vertically At least 500 mm between the flue terminal and a return wall or external corner measured horizontally Note If these horizontal distances cannot...

Страница 24: ...ixtures where water hotter than 50 C is allowed such as a kitchen laundry and other areas requiring sanitising temperatures The installing plumber may have a legal obligation to ensure the installatio...

Страница 25: ...be circulated Where a circulated hot water flow and return system is required in a building a temperature limiting device can only be installed on a dead leg branching off the circulated hot water flo...

Страница 26: ...necessary A time clock to control the electrical supply can be used to switch off the water heater during hours or days when it is not in use SADDLING PIPE WORK To prevent damage to the cylinder when...

Страница 27: ...INSTALLATION 27 TYPICAL INSTALLATION OUTDOOR LOCATION 635275 MODEL RESET BUTTON Press if illuminated BMS CONNECTION Refer to BMS Interface...

Страница 28: ...INSTALLATION 28 TYPICAL INSTALLATION INDOOR LOCATION 625275 MODEL RESET BUTTON Press if illuminated BMS CONNECTION Refer to BMS Interface FLUE DAMPER...

Страница 29: ...1706 1706 H 33 33 K 692 692 M 200 P 383 Weight kg cartoned 167 174 Gas Details Hourly Gas Consumption MJ Minimum Gas Pressure kPa Test Point Gas Pressure kPa Max Gas Pressure kPa Main Injector Orifice...

Страница 30: ...er Delivery on page 24 and to Mains Water Supply on page 23 A disconnection union must always be provided at the cold water inlet and hot water outlet on the water heater to allow for disconnection of...

Страница 31: ...lever should move smoothly and without undue force If the lever cannot be moved or is jerky in its movement then the valve has been damaged and must be replaced A copper drain line must be fitted to t...

Страница 32: ...e pressure relief valve on this water heater is to discharge high temperature water under certain conditions it is strongly recommended the pipe work downstream of the relief valve be capable of carry...

Страница 33: ...thermostat setting requirements with a responsible officer Refer to Temperature Control on page 45 If this water heater is installed as an in series booster water heater as part of a commercial solar...

Страница 34: ...rmally closed contact is closed The water heater is operating normally Note 625275 model if a run signal is received but the water heater does not appear to be heating check the transport clip has bee...

Страница 35: ...CONNECTIONS ELECTRICAL 35 WIRING DIAGRAM ALL MODELS 635275 635275 625275...

Страница 36: ...f Clause H2 2 5 of AS NZS 5601 1 providing lockout in the event of flue product flow failure 6 Where intermittent fan operation is utilised it is necessary to run the fan for some time after combustio...

Страница 37: ...3 R2 monitors alarm signal 4 T1 to be set for 20 30 seconds 5 Replace plug of water heater power supply cord with SPO with round earth terminal 6 Meets requirements of Clause H2 2 5 of AS NZS 5601 1...

Страница 38: ...ts of both AS NZS 3500 4 and the application 5 A non return valve isolation valve and if required a pressure limiting valve and expansion control valve must be installed on the cold water line to the...

Страница 39: ...MULTIPLE INSTALLATIONS 39 Single Bank of Water Heaters Multiple Banks of Water Heaters TPR Valve Drain Line Common Discharge Point Back to Back Manifold Angle Manifold In Line Manifold...

Страница 40: ...recommended space between wall and back of water heater is 100 mm 625275 890 645 300 100 1780 900 2 A minimum of 900 mm E F should be left in front of the water heater for access servicing and water...

Страница 41: ...MULTIPLE INSTALLATIONS 41 MANIFOLD ARRANGEMENT Hot Manifold Assembly Cold Manifold Assembly...

Страница 42: ...r discharges freely from the drain line It is very important the lever is raised and lowered gently The lever should move smoothly and without undue force If the lever cannot be moved or is jerky in i...

Страница 43: ...cant then Switch off the electrical supply at the isolating switch to the water heater s Close the gas isolation valve s at the inlet to the gas control s Close the cold water isolation valve on the c...

Страница 44: ...r a five 5 minute delay between each try This delay is to allow for any build up of unburnt gas to escape 4 If the third attempt is also unsuccessful the system enters the re ignition attempt lockout...

Страница 45: ...ite or other ablution or public area RECIRCULATION SYSTEM Where the installation involves close temperature control for any purpose or the installation is providing water above 80 C it is essential to...

Страница 46: ...3 Press the set button The current temperature set point value will be displayed 4 Press the down button to decrease or the up button to increase until the required temperature set point is displayed...

Страница 47: ...o not let the lever snap back or you will damage the valve seat It is very important the lever is raised and lowered gently Operating the lever will release the pressure in the water heater Remove the...

Страница 48: ...Revision Date 2020 November 122292B 48...

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