EverHot 625275 Owner's Manual And Installation Instructions
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EverHot 625275 Owner's Manual And Installation Instructions

Gas heavy duty water heater 275 litre models
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Owner's Guide
and
Installation Instructions
625275
635275
Gas Heavy Duty
Water Heater
275 litre models
This water heater must be installed and serviced by a qualified person.
Please leave this guide with the householder.

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Summary of Contents for EverHot 625275

  • Page 1 Owner’s Guide Installation Instructions 625275 635275 Gas Heavy Duty Water Heater 275 litre models This water heater must be installed and serviced by a qualified person. Please leave this guide with the householder.
  • Page 2 Warning: Upon completion of the installation and commissioning of the water heater, leave this guide with the householder or responsible officer. DO NOT leave this guide inside of the cover of the water heater, as it may interfere with the safe operation of the water heater or ignite when the water heater is turned on. An electronic copy of these Owner’s Guide and Installation Instructions is available upon request.

  • Page 3: Table Of Contents

    Everhot warranty. We recommend you read pages 7 to 20, and the terms of the Everhot warranty on pages 4 to 6. The other pages are intended for the installer but may be of interest.

  • Page 4: Warranty

    The decision of whether to repair or replace a faulty component is at Rheem’s sole discretion. If you require a call out and we find that the fault is not covered by the Everhot warranty, you are responsible for our standard call out charge. If you wish to have the relevant component repaired or replaced by Rheem, that service will be at your cost.
  • Page 5 If the water heater is not sized to supply the hot water demand in accordance 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...
  • Page 6 You are also entitled to have the goods repaired or replaced if the goods fail to be of acceptable quality and the failure does not amount to a major failure. The Everhot warranty (set out above) is in addition to any rights and remedies that you may have under the Australian Consumer Law.

  • Page 7: Safety, Warnings, Installation Notes

    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 instructions.
  • Page 8 SAFETY, WARNINGS, INSTALLATION NOTES • For continued safety of this water heater it must be installed, operated and maintained in accordance with the Owner’s Guide and Installation Instructions. • Servicing of the water heater must only be carried out by qualified personnel. Phone Rheem Service or their nearest Accredited Service Agent.
  • Page 9 • in compliance with the Plumbing Code of Australia (PCA) and Plumbing Standard AS/NZS 3500.4, ▪ This 625275 water heater is designed for indoor installation and the 635275 water heater is designed for outdoor installation. ▪ This water heater is intended to be permanently connected to the water mains and not connected by a hose-set.

  • Page 10: About Your Water Heater

    MODEL TYPE ® The Everhot Heavy Duty Gas water heater model you have chosen is a 275 litre indoor or outdoor quick recovery water heater. Water is stored in a vitreous enamel lined steel cylinder and heated by a gas burner located under the cylinder.
  • Page 11 ABOUT YOUR WATER HEATER TEMPERATURE ADJUSTMENT The water heater features an electronic adjustable thermostat. We recommend only a licensed tradesperson make any temperature adjustments. We advise the thermostat be adjusted to the lowest temperature setting “Hotter that meets your needs, especially if there are young children or elderly people in the premises. Refer to Water Increases the Risk of Scald Injury”...
  • Page 12 ABOUT YOUR WATER HEATER VICTORIAN CUSTOMERS Notice to Victorian Customers from the Victorian Building Authority. This water heater must be installed by a licensed person as required by the Victorian Building Act 1993. Only a licensed person will give you a Compliance Certificate, showing that the work complies with all the relevant Standards.

  • Page 13: Maintenance Requirements

    Service or their nearest Accredited Service Agent. Note: The service and routine replacement of any components, if required, are not included in the Everhot warranty. A charge will be made for this work. Only genuine replacement parts should be used on this water heater.
  • Page 14 Note: The major service and routine replacement of any components, such as the anode and relief valve(s), are not included in the Everhot warranty. A charge will be made for this work. Only genuine replacement parts should be used on this water heater.

  • Page 15: Water Supplies

    If an incorrect colour coded anode is used in the water heater, any resultant faults will not be covered by the Everhot warranty. In addition, the use of an incorrect colour coded anode may shorten the life of the water heater cylinder.
  • Page 16 Where the saturation index exceeds +0.40, the water is very scaling. An expansion control valve must be fitted on the cold water line after the non-return valve to protect and for the Everhot warranty to apply to the temperature pressure relief valve and water heater cylinder.
  • Page 17 The water heater and its components are not suitable for certain water chemistries. Those chemistries are listed below. If the water heater is connected at any time to a water supply with the following water chemistry, the Everhot warranty will not cover any resultant faults on the components listed below: Water Chemistry Component Total Dissolved Solids (TDS) >...

  • Page 18: Save A Service Call

    SAVE A SERVICE CALL Check the items below before making a service call. You will be charged for attending to any condition or fault that is not related to manufacture or failure of a part. NOT ENOUGH HOT WATER (OR NO HOT WATER) •...
  • Page 19 SAVE A SERVICE CALL BURNER WILL NOT LIGHT • Is there gas to the water heater? Check the gas isolation valve on the gas supply line is open. • Is there a normal gas supply to the rest of the premises? Try lighting another gas appliance.
  • Page 20 SAVE A SERVICE CALL WATER HEATER APPEARS TO BE LEAKING When the water heater is first lit or after a large usage of hot water, condensation may form on the burner of the water heater. This is quite normal, especially in winter months and will dry off as the water is heated. HIGHER THAN EXPECTED GAS BILLS Should you at any time, feel your gas bill is higher than expected, we suggest you check the following points: •...

  • Page 21: Installation

    INSTALLATION THIS WATER HEATER IS NOT SUITABLE FOR POOL HEATING. This water heater is for connection to natural gas only. Check the water heater is suitable for the gas type available. (refer to the rating label on the water heater) Note: In Australia, natural gas models can be connected to SNG, however the hourly gas consumption may be reduced (typically by 10%).
  • Page 22 The water heater is supplied with a draught diverter, fitted to the top of the water heater. The draught diverter is designed to receive a 200 mm diameter flue (625275 model). An adaptor is also supplied with a 625275 model. The flue installed with a 625275 model sits inside of the adaptor. •...
  • Page 23 INSTALLATION OUTDOOR INSTALLATION The water heater is to be installed at ground or floor level on a stable fireproof base as acceptable to local authorities. The water heater must also stand vertically upright with the back of the water heater against or within 150 mm of an external wall or alternatively against a fireproof screen extending at least 500 mm above, below and either side the flue terminal.
  • Page 24 If an incorrect colour coded anode is used in the water heater, any resultant faults will not be covered by the Everhot warranty. In addition, the use of an incorrect colour coded anode may shorten the life of the water heater cylinder.
  • Page 25 INSTALLATION CIRCULATED HOT WATER FLOW AND RETURN SYSTEM An Everhot 625 or 635 series water heater can be installed as part of a circulated hot water flow and return system in a building. Temperature Settings • the thermostat setting of the water heater must be set to at least 60°C.
  • Page 26 Note: If the cylinder is damaged as a result of attaching pipe clips or saddles to the jacket, any resultant faults will not be covered by the Everhot warranty.
  • Page 27 INSTALLATION TYPICAL INSTALLATION – OUTDOOR LOCATION – 635275 MODEL RESET BUTTON Press if illuminated BMS CONNECTION Refer to BMS Interface...
  • Page 28 INSTALLATION TYPICAL INSTALLATION – INDOOR LOCATION – 625275 MODEL FLUE DAMPER RESET BUTTON Press if illuminated BMS CONNECTION Refer to BMS Interface...
  • Page 29 INSTALLATION DIMENSIONS AND TECHNICAL DATA Model No. 625275 635275 (Indoor) (Outdoor) Storage capacity (litres) Nominal Dimensions (mm) 1910 1885 1454 1454 1706 1706 33° 33° Weight (kg) cartoned Hourly Gas Minimum Test Point Max. Gas Main Injector Gas Details Consumption...

  • Page 30: Connections - Plumbing

    CONNECTIONS – PLUMBING All plumbing work must be carried out by a qualified person and in compliance with the Standard AS/NZS 3500.4 and all local codes and regulatory authority requirements. All gas work must be carried out by a qualified person and in compliance with the Standard AS/NZS 5601.1, all local codes and regulatory authority requirements.
  • Page 31 CONNECTIONS – PLUMBING TEMPERATURE PRESSURE RELIEF VALVE The temperature pressure relief valve is shipped in the plastic bag attached to the side of the water heater. The temperature pressure relief valve must be fitted before the water heater is operated. Before fitting the relief valve, make sure the probe has not been bent.
  • Page 32 Warning: Always isolate the water heater before pressure testing the gas supply system. Disconnect the water heater after the isolating cock to prevent the risk of serious damage to the gas control. The Everhot warranty does not cover damage of any nature resulting from failure to observe this precaution. Refer to rating label for gas types and pressures.

  • Page 33: Connections - Electrical

    The power consumption of the water heater is: Power Comments Model consumption 625275 100 Watts gas control operation and includes flue damper 635275 150 Watts gas control operation and includes fan The water heater will only operate on a sine wave at 50 Hz. Devices generating a square wave cannot be used to supply power to the water heater.
  • Page 34 Normally 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 been removed from the flue damper housing. Refer to the Notes on page 44.
  • Page 35 CONNECTIONS – ELECTRICAL WIRING DIAGRAM – ALL MODELS 635275 625275 635275...
  • Page 36 CONNECTIONS – ELECTRICAL POWER FLUE EXTERNAL CONTROLS – INTERMITTENT OPERATION Notes Power source for the water heater, fan and control circuit must be from the same circuit. R1 monitors return signal. R2 monitors alarm signal. T1 to be set for 20-30 seconds. Meets requirements Clause...
  • Page 37 CONNECTIONS – ELECTRICAL POWER FLUE EXTERNAL CONTROLS – 24 HOUR OPERATION Notes WIRING DIAGRAM - 24 HR FAN OPERATION POWER FLUE CONNECTION MULTIPLE and SINGLE RHEEM 621 SERIES & RAYPAK TYPE A SERIES (197- 427) Power source for the water heater, fan and control circuit must be from the same circuit. WATER HEATERS R1 monitors return signal.

  • Page 38: Multiple Installations

    MULTIPLE INSTALLATIONS A multiple installation of Everhot water heaters on a single manifold or multiple manifolds is possible, using the ® Equa-Flow manifold system, where large volumes of hot water are required. The Equa-Flow principle will function with water heaters in line, around a corner or in rows back to back (refer to the diagrams on page 39).
  • Page 39 MULTIPLE INSTALLATIONS In Line Manifold Single Bank of Water Heaters Multiple Banks of Water Heaters Angle Manifold Back to Back Manifold TPR Valve Drain Line Common Discharge Point...
  • Page 40 MULTIPLE INSTALLATIONS TYPICAL INSTALLATION – EVERHOT HEAVY DUTY GAS WATER HEATERS LEGEND RHEEM COM M ERCIAL W ATER HEATERS TYPICAL INSTALLATION INSTALLATION DIMENSIONS – EVERHOT HEAVY DUTY GAS WATER HEATERS In Line Manifold Angle Manifold Back to Back Manifold Installation Layout Minimum Dimensions...
  • Page 41 MULTIPLE INSTALLATIONS MANIFOLD ARRANGEMENT Hot Manifold Assembly Cold Manifold Assembly...

  • Page 42: Commissioning

    COMMISSIONING TO FILL AND TURN ON THE WATER HEATER The power supply to the water heater must not be switched on until the water heater is filled with water and a satisfactory megger reading is obtained. • Open all of the hot water tap(s) in the building (don’t forget the showers) and supply cock(s) and valve(s) in the system.
  • Page 43 COMMISSIONING TO TURN OFF THE WATER HEATER If it is necessary to turn off the water heater on completion of the installation, such as on a building site or where the premises is vacant, then: • Switch off the electrical supply at the isolating switch to the water heater(s). •...

  • Page 44: Lighting The Water Heater

    (refer rating label). Notes transport clip • 625275 indoor model - remove the transport clip from the flue damper housing. • A viewing window is provided to check burner operation on the water heater.

  • Page 45: Temperature Control

    LIGHTING THE WATER HEATER BURNER PRESSURE ADJUSTMENT • Switch off the electrical supply at the isolating switch. • Attach a manometer to the test spigot at side of gas control. • Switch on the electrical supply at the isolating switch. •...
  • Page 46 TEMPERATURE CONTROL THERMOSTAT ADJUSTMENT The water heater is supplied with the thermostat preset at 70°C. It will be necessary to adjust the thermostat temperature setting if another temperature is required. When adjusting the thermostat temperature it is necessary to alter the thermostat offset. The table outlines the thermostat temperature and the corresponding offset.

  • Page 47: Draining The Water Heater

    DRAINING THE WATER HEATER Warning: Exercise care, as water discharged from the water heater may be of a very high temperature. To drain the water heater: • “To Turn Off The Water Heater” Turn off the water heater (refer to on page 43).
  • Page 48 Revision Date: 2020 November 122292B...

This manual is also suitable for:

635275

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