Page 2 - ® Registered trademark of Rheem Australia Pty Ltd.; with the householder or a responsible officer.; DO NOT; leave this guide inside of the cover of the water
PATENTS This water heater may be protected by one or more patents or registered designs in the name of Rheem Australia Pty Ltd or Paloma Co., Ltd. Rheem Australia Pty Ltd is the supplier of the Rheem range of continuous flow gas water heate rs, manufactured by Paloma Co., Ltd., a world leader in wat...
Page 3 - CONTENTS; RESPONSIBLE OFFICER - We recommend you read pages 4 to 14.
3 CONTENTS RESPONSIBLE OFFICER - We recommend you read pages 4 to 14. The other pages are intended for the installer but may be of interest. About Your Water Heater ............................................................................................................ 4 Water Supplies ............
Page 4 - ABOUT YOUR WATER HEATER; WATER HEATER APPLICATION
4 ABOUT YOUR WATER HEATER WATER HEATER APPLICATION This water heater is designed for the purpose of heating potable water. Its use in an application other than this may shorten its life. MODEL TYPE The Rheem ® continuous flow gas water heater model you have chosen is for indoor installation only. Th...
Page 5 - MAINS PRESSURE; must not; HOTTER WATER INCREASES THE RISK OF SCALD INJURY
ABOUT YOUR WATER HEATER 5 MAINS PRESSURE The water heater is designed for direct connection to the mains water supply. If the mains supply pressure in your area exceeds that shown on page 17, a pressure limiting valve must be fitted. The supply pressure should be greater than 140 kPa for the rated f...
Page 6 - WARNING; flammable or combustible materials
ABOUT YOUR WATER HEATER 6 WARNING This water heater is only intended to be operated by persons who have the experience or the knowledge and the capabilities to do so. This water heater is not intended to be operated by persons with reduced physical, sensory or mental capabilities i.e. the infirm, or...
Page 7 - PRECAUTIONS; Condensate Trap; MINOR SIX MONTH MAINTENANCE; Warning
ABOUT YOUR WATER HEATER 7 PRECAUTIONS Where damage to property can occur in the event of the water heater leaking, the water heater must be installed over a safe tray. Construction, installation and draining of a safe tra y must comply with AS/NZS 3500.4 and all local codes and regulatory authority ...
Page 8 - TO TURN OFF THE WATER HEATER
ABOUT YOUR WATER HEATER 8 TO TURN OFF THE WATER HEATER If it is necessary to turn off the water heater: Turn off the controllers(s) (if fitted) by pressing the on / off button. The light in the on / off button will go out and the priority light (standard controller) or the ACTIVE light (Deluxe contr...
Page 9 - FROST PROTECTION
ABOUT YOUR WATER HEATER 9 FROST PROTECTION The water heater has a frost protection system. The frost protection system will protect the water heater from damage, by preventing ice forming in the waterways of the water heater, in the event of freezing conditions occurring. Notes: The frost protection...
Page 10 - HOW DO I KNOW IF THE WATER HEATER IS INSTALLED CORRECTLY?; VICTORIAN CUSTOMERS
ABOUT YOUR WATER HEATER 10 HOW DO I KNOW IF THE WATER HEATER IS INSTALLED CORRECTLY? Installation requirements are shown on pages 15 to 23. The water heater must be installed: by a qualified person, and in accordance with the installation instructions, and in compliance with Standards AS/NZS 3500.4,...
Page 11 - WATER SUPPLIES; CHANGE OF WATER SUPPLY; GAS CONTINUOUS FLOW WATER HEATERS; WITHIN WARRANTY
11 WATER SUPPLIES This water heater must be installed in accordance with this advice to be covered by the Rheem warranty. This water heater is manufactured to suit the water conditions of most public reticulated water suppl ies. However, there are some known water chemistries which can have detrimen...
Page 12 - SAVE A SERVICE CALL; “Terms of the Rheem Warranty”
12 SAVE A SERVICE CALL Check the items below before making a service call. You will be charged for attending to any condition or fault, which is not related to manufacture or failure of a part (refer to “Terms of the Rheem Warranty” on page 55). NO DISPLAY ON THE CONTROLLER (IF FITTED) Is the contro...
Page 13 - GAS BOOSTER OPERATING TOO FREQUENTLY
SAVE A SERVICE CALL 13 GAS BOOSTER OPERATING TOO FREQUENTLY If the water heater is installed as an in-series gas booster to a solar water heater, you may find that the water heater operates more frequently than expected. This will occur when the solar heated water temperature is lower than 2°C below...
Page 14 - CLOUDS OF WHITE ‘VAPOUR’ FROM THE FLUE TERMINAL; Normal operation; “Mains Water Supply”
SAVE A SERVICE CALL 14 CLOUDS OF WHITE ‘VAPOUR’ FROM THE FLUE TERMINAL During the heating cycle, it is not unusual to see water vapour clouds steaming from the flue terminal, particularly on cold days. This is normal operation of the water heater. PRESSURE RELIEF VALVE DISCHARGING A pressure relief ...
Page 15 - INSTALLATION – WATER HEATER; INSTALLATION STANDARDS
15 INSTALLATION – WATER HEATER THIS WATER HEATER IS FOR INDOOR INSTALLATION ONLY. THIS WATER HEATER IS NOT SUITABLE FOR POOL HEATING. Check the water heater is suitable for the gas type available. (refer to the rating label on the water heater) INSTALLATION STANDARDS The water heater must be install...
Page 16 - bottom of the unit (refer to page 22 for; MUST ONLY; be installed with a certified Rheem coaxial flue system.; MUST NOT; SAFE TRAY
INSTALLATION – WATER HEATER 16 This water heater must be installed vertically upright with the water, gas and power connections on the underside, pointing toward the floor. The back of the water heater can be either against a wall or supported by a frame. Note: The water heater must be well secured ...
Page 17 - MAINS WATER SUPPLY; Relief valve setting; “Water Supplies”
INSTALLATION – WATER HEATER 17 MAINS WATER SUPPLY Where the mains water supply pressure exceeds that shown in the table below, an approved pressure limiting valve that does not have non return valve characteristics (such as an RMC PSL series valve) is required and should be fitted as shown in the in...
Page 18 - HOT WATER DELIVERY; Gas Booster for a Solar Water Heater
INSTALLATION – WATER HEATER 18 HOT WATER DELIVERY This water heater can deliver water at temperatures which can cause scalding. It is necessary and we recommend that a temperature limiting device be fitted between an 862 series water heater and the hot water outlets in any ablution and public areas ...
Page 19 - before the non return valve prior; MUST BE; installed on the cold water line to the solar storage tank; AFTER; Two Temperature Zones Using a Temperature Limiting Device
INSTALLATION – WATER HEATER 19 Where a temperature limiting device is installed adjacent to the in-series gas booster, the cold water line to the temperature limiting device can be branched off the cold water line either before or after the isolation valve and pressure limiting valve to the solar st...
Page 20 - CIRCULATED HOT WATER FLOW AND RETURN SYSTEM
INSTALLATION – WATER HEATER 20 CIRCULATED HOT WATER FLOW AND RETURN SYSTEM A Rheem 862 627 model continuous flow water heater can be installed as part of a circulated hot water flow and return system in a building. Notes: the preset outlet temperature setting of the water heater must be set to at le...
Page 21 - Circulated Hot Water Flow and Return
INSTALLATION – WATER HEATER 21 LEGEND LEGEND Circulated Hot Water Flow and Return Continuous Flow Gas Water Heater LEGEND Circulated Hot Water Flow and Return In-series Gas Booster as part of a Solar Water Heater Installation REDUCING HEAT LOSSES The hot water line from the water heater and the pipe...
Page 22 - ELECTRONIC CONTINUOUS FLOW; Model
INSTALLATION – WATER HEATER 22 DIMENSIONS AND TECHNICAL DATA MOUNTING HOLES 2x TOP2x BOTTOM Ø127 351 10 to 40 650 707 672 17 49 21 132 127 5 HOT WATER OUTLET POWER LEAD CONNECTION GASCONNECTION COLD WATER INLET POWER LEADCONNECTION HOT WATER OUTLET GASCONNECTION COLD WATER INLET ELECTRONIC CONTINUOU...
Page 23 - TYPICAL INSTALLATION
INSTALLATION – WATER HEATER 23 TYPICAL INSTALLATION – INDOOR LOCATION
Page 24 - CONNECTIONS – PLUMBING; CONNECTION SIZES; WATER INLET AND OUTLET; A non return valve or stop tap must not be; “Hot Water Delivery”; WATER AND GAS CONNECTION DETAIL; Gas Water Heater
24 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 5601 or AS/...
Page 25 - PIPE SIZES; of copper and be fully insulated in accordance with
CONNECTIONS – PLUMBING 25 PIPE SIZES The pipe sizing for hot water supply systems should be carried out by persons competent to do so, choosing the most suitable pipe size to ensure adequate flow for each individual application. Reference to the technical specifications of the water heater and local...
Page 26 - FLUEING; SECONDARY FLUE; be installed with certified Rheem coaxial flue components; use any other type of flue parts.; Flue Terminal Location; install if any gaskets are missing. Contact Rheem Service or their
26 FLUEING SECONDARY FLUE A secondary flue must be installed with an indoor water heater to discharge combustion products to outside the building. The water heater MUST ONLY be installed with certified Rheem coaxial flue components carrying the label opposite. DO NOT use any other type of flue parts...
Page 27 - COMPONENTS
FLUEING 27 COMPONENTS A complete flue system is comprised from the following components. horizontal flue terminal (PN 295116) trim ring (PN 295125) vertical flue terminal (PN 295117) condensate trap (PN 295139) 90° bend (PN 295118) 45° bend (PN 295119) straight length – 300 mm (PN 295126) wall brack...
Page 28 - FLUE TERMINAL LOCATION; Horizontal Flue Terminal Location; At least 300 mm between the top of the flue terminal and the eaves.; Vertical Flue Terminal Location; “Vertical Flue Terminations”
FLUEING 28 FLUE TERMINAL LOCATION The water heater must be located to ensure that the location of the flue terminal complies with the requirements of AS 5601 or AS/NZS 5601.1, as applicable under local regulations. As a guide the following requirements are extracted from the Gas Installations Standa...
Page 29 - FLUE LENGTHS; Maximum Flue Length; A secondary flue may have a combination of 90° bends and 45° bends.; Minimum Flue Length; one 90° Bend is connected to the flue outlet of the water heater, and; Draining the Condensate; Where the flue terminates vertically.; CONDENSATE SPIGOT LOCATION; condensate drain spigot
FLUEING 29 FLUE LENGTHS Maximum Flue Length The system will not operate if there is excessive restriction (pressure drop) in the flueing system. The maximum length of a secondary flue, with no bends, between the water heater and the flue terminal is 13.5 m. To determine the maximum length of flue fo...
Page 30 - “Multiple Water Heater Condensate Trap and Condensate Drain Line; Condensate Trap and Condensate Drain Line
FLUEING 30 Condensate Trap and Condensate Drain Line Where the installation requires a Condensate Trap and condensate drain line: 1. Remove the clamp and rubber cap from the condensate drain spigot on the water heater flue outlet assembly. 2. Locate the Condensate Trap in a suitable position adjacen...
Page 31 - HORIZONTAL FLUE RUNS; orientated upward; must have a gradient upward to the flue terminal.
FLUEING 31 HORIZONTAL FLUE RUNS There are a number of basic installation requirements which must be followed for a flue installation incorporating horizontal flue runs. Failure to observe these precautions can lead to the premature failure of the flue system and / or water heater. The flue must be i...
Page 32 - Typical Installation
FLUEING 32 Typical Installation Horizontal Terminal with Multiple Vertical and Horizontal Sections Typical Installation Typical Installation Vertical Flue Vertical Terminal with Vertical and Horizontal Sections
Page 33 - HORIZONTAL FLUE INSTALLATION; position template
FLUEING 33 HORIZONTAL FLUE INSTALLATION Horizontal Flueing – Directly Behind Water Heater This method of flue installation is used where the secondary flue is to penetrate and terminate immediately behind the wall on which the water heater is mounted. Do not plumb the water heater prior to this type...
Page 34 - “Connections – Electrical”; flue components required
FLUEING 34 Note: Steps 10 to 14 can only be conducted whilst the water heater is off the wall. 10. Connect the 90° Bend (PN 295118) to the water heater flue outlet so it is orientated behind the water heater. Fit the end of the bend down over the water heater flue outlet as far as it will go. Ensu...
Page 35 - Horizontal Flueing; “Typical Installation – Horizontal Terminal with One Bend”
FLUEING 35 Horizontal Flueing – Extended Flue Run Notes: Ensure each flue component is fully engaged and the rubber seal on the inner duct is well seated at each joint. Each flue component is supplied with screws to connect to the adjacent flue component. The screws are located in a bag taped to the...
Page 36 - bold; diagram; orientated
FLUEING 36 4. Carefully remove the template inserted as the middle pages of this installation instructions booklet. Cut along the middle of the bold circle marked “Cut Line”. 5. Align the top of the circular template with the mark on the wall. It may be convenient to tape the template to the wal...
Page 37 - “Draining the Condensate”
FLUEING 37 17. Once the flue is assembled and penetrating the wall, install the Horizontal Terminal and secure the termination to the flue using the sheet metal screws provided. Note: If the flue terminal position is more than 1800 mm above a safe working surface, then suitable equipment will be req...
Page 38 - VERTICAL FLUE INSTALLATION
FLUEING 38 VERTICAL FLUE INSTALLATION Suitable flashing (not supplied) is required to waterproof the roof penetration. Notes: Ensure each flue component is fully engaged and the rubber seal on the inner duct is well seated at each joint. Each flue component is supplied with screws to connect to the ...
Page 39 - “Vertical Flue
FLUEING 39 8. Fix a W all Bracket after each transition to a vertical run. This is to prevent vertical loading on the bends and offsets. 9. Support vertical sections of flue at a distance no greater than 2 m using a W all Bracket (PN 295128). Note: The Wall Bracket can be used to support vertical se...
Page 40 - MULTIPLE WATER HEATER FLUE INSTALLATION; horizontal flue terminations
FLUEING 40 MULTIPLE WATER HEATER FLUE INSTALLATION Where multiple water heaters are installed, each water heater must be individually flued to the outside. A common flue system MUST NOT be used. For a multiple unit installation, the water heater is certified for installation with zero clearance betw...
Page 41 - “Draining the Condensate”; Condensate Traps with Common Drain Line; Refer to steps 2 to 4 of the procedure outlined in
FLUEING 41 MULTIPLE WATER HEATER CONDENSATE TRAP AND CONDENSATE DRAIN LINE INSTALLATION Depending upon the type of installation, it may be necessary to install a Condensate Trap and condensate drain line to each water heater. Refer to “Draining the Condensate” on page 29. The drain line from each Co...
Page 42 - Notes
FLUEING 42 Warning: Failure to fill with water may cause flue gasses to escape through the condensate trap. The condensate trap should be regularly checked to ensure it is filled with water, replenishing when required. Notes AS/NZS 3500.4 section 5.12 is used as a guide in preparing the following dr...
Page 43 - CONNECTIONS – ELECTRICAL; Temperature controllers; be fitted to this water heater (862 series) if it is installed as; must be; Component; Gas water heater
43 CONNECTIONS – ELECTRICAL All electrical work and permanent wiring must be carried out by a qualified person and in accordance with the Wiring Rules AS/NZS 3000 and all local codes and regulatory authority requirements. Warning: Temperature controllers must not be fitted to this water heater (862 ...
Page 44 - MULTIPLE INSTALLATIONS; plumbing arrangement. The installation may operate on a dead leg; No of water heaters; booster installation to a solar water heater.
44 MULTIPLE INSTALLATIONS A multiple installation of 27 litre gas water heaters on a single manifold is possible, using a parallel plumbing arrangement, where large volumes of hot water are required. It is good practice, but not essential, to install the water heaters in an Equa-Flow ® plumbing arra...
Page 45 - Refer to the diagram on
MULTIPLE INSTALLATIONS 45 Refer to the diagram on page 45 for installation and plant layout details. PRESSURE REDUCING VALVE COMMISSIONING PROCEDURE The pressure reducing valves must be set and commissioned for each water heater so the water heaters will turn on and off in sequence when the flow rat...
Page 46 - “Commissioning”; Clockwise
MULTIPLE INSTALLATIONS 46 To set and commission the pressure reducing valves: 1. Commissioning: Commission each of the water heaters prior to setting the pressure reducing valve on the cold (or solar preheat) branch to the water heater (refer to “Commissioning” on page 47). 2. Turn on services: Turn...
Page 47 - COMMISSIONING; TO TURN ON THE WATER HEATER; GAS INLET PRESSURE
47 COMMISSIONING All water heaters are tested and adjusted before dispatch from the factory, however further adjustments may become necessary because of local conditions. Note: If this water heater is installed as part of a multiple installation, i.e. in a bank of water heaters, it will be necessary...
Page 48 - Gas Inlet Test Point Pressure
COMMISSIONING 48 Gas Inlet Test Point Pressure To check the gas inlet pressure: 1. Close any hot taps and ensure the burners are not operating. 2. Close the gas isolation valve at the gas inlet to the water heater. 3. Locate the gas inlet test point on the gas connection to the water heater. Remov...
Page 49 - BURNER GAS PRESSURE; Minimum test point gas pressure; DIP SWITCH AND ADJUSTMENT BUTTONS; LED DISPLAY - TEST POINT GAS PRESSURE
COMMISSIONING 49 BURNER GAS PRESSURE It is necessary to check the burner gas pressure at both the minimum and maximum operational settings. To check and if necessary adjust the operational gas pressures, the electrical supply to the water heater must be switched on, the burners ignited and hot water...
Page 50 - “Clearing Error Code”; Maximum test point gas pressure; “Minimum test point gas pressure”; Clearing Error Code
COMMISSIONING 50 Notes: If the burners extinguish and error code 11 or 12 starts to flash on the LED display: release the MIN and adjuster buttons close the hot tap clear the error code (refer to “Clearing Error Code” on page 50) recommence the procedure from Step 8. If the adjuster button i...
Page 51 - PRESET OUTLET TEMPERATURE SETTING
COMMISSIONING 51 PRESET OUTLET TEMPERATURE SETTING The factory preset outlet temperature setting of the water heater is: 862 series 60°C for a single water heater 60°C as part of a Multipak system 70°C as part of a Commpak system If a temperature controller is connected to the water heater, this wil...
Page 52 - TO CHECK OR ADJUST THE PRESET OUTLET TEMPERATURE SETTING; OFF; LED Display; OFF ON; OFF ON; OFF ON
COMMISSIONING 52 TO CHECK OR ADJUST THE PRESET OUTLET TEMPERATURE SETTING The temperature settings will be displayed on the LED display. The preset outlet temperature settings are: 862 series 38°C, 40°C, 42°C, 43°C, 45°C, 50°C, 55°C, 60°C, 65°C, 70°C, 75°C, 82°C It is necessary to have the electrica...
Page 54 - DRAINING THE WATER HEATER; Turn off the water heater (refer to
54 DRAINING THE WATER HEATER To drain the water heater: Turn off the water heater (refer to “Turn Off The Water Heater” on page 53). Open a hot tap (preferably the shower outlet). Unscrew the two drain plugs, one each at the cold water inlet and hot water outlet, on the underside of the water heater...
Page 55 - CONTINUOUS FLOW GAS WATER HEATER 862 627 MODELS; (not for service; TERMS OF THE RHEEM WARRANTY AND EXCLUSIONS TO IT; Misuse or abnormal use of the water heater.
55 RHEEM CONTINUOUS FLOW GAS WATER HEATER WARRANTY – AUSTRALIA ONLY CONTINUOUS FLOW GAS WATER HEATER 862 627 MODELS 1. THE RHEEM WARRANTY – GENERAL 1.1 This warranty is given by Rheem Australia Pty Limited ABN 21 098 823 511 of 1 Alan Street, Rydalmere New South Wales, the supplier of Rheem continuo...
Page 56 - Australian Consumer Law
RHEEM CONTINUOUS FLOW GAS WATER HEATER WARRANTY – AUSTRALIA ONLY Revision Date: 2013 May 122180C 56 CONTINUOUS FLOW GAS WATER HEATER 862 627 MODELS 3. WHAT IS COVERED BY THE RHEEM WARRANTY FOR THE WATER HEATERS DETAILED IN THIS DOCUMENT 3.1 Rheem will repair or replace a faulty component of your wat...
