Rheem 871 Series Owner's Manual And Installation Instructions
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Rheem 871 Series Owner's Manual And Installation Instructions

Continuous flow gas water heater
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See also: Installation Instructions & Owner's Manual
Owner's Guide
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Installation Instructions

Continuous Flow
Gas Water Heater
871, 875 Series
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 Rheem 871 Series

  • Page 1: Installation Instructions

    Owner’s Guide Installation Instructions Continuous Flow Gas Water Heater 871, 875 Series This water heater must be installed and serviced by a qualified person. Please leave this guide with the householder.
  • Page 2 Rheem Australia Pty Ltd, Rheem New Zealand Limited or Paloma Co., Ltd. TRADEMARKS ® Registered trademark of Rheem Australia Pty Ltd., or Rheem New Zealand Limited. ™ Trademark of Rheem Australia Pty Ltd., or Rheem New Zealand Limited. Note: Every care has been taken to ensure accuracy in preparation of this publication.

  • Page 3: Table Of Contents

    CONTENTS HOUSEHOLDER - We recommend you read pages 4 to 44. The other pages are intended for the installer but may be of interest. About Your Water Heater ......................4   Temperature Control ......................... 11   Temperature Control – Standard ..................... 12  ...

  • Page 4: About Your Water Heater

    50°C can be delivered from the system. • The 871 series of water heater may be installed as an in-series gas booster to a solar water heater. For information relating to the function and operation of the solar water heater, refer to the Owner’s Guide and Installation Instructions supplied with the solar water heater.
  • Page 5 70°C, and that a remote temperature controller is not used. Warning: Temperature controllers must not be fitted to this water heater (871 series) if it is installed as an in-series gas booster with a solar water heater system or if a Water Star water heater is installed because water at a temperature much higher than the controller setting can be delivered.
  • Page 6 We recommend and it may be required by regulations that an approved temperature limiting device be fitted into the hot water piping to the bathroom and ensuite when an 871 series water heater is installed. This will keep the water temperature below 50°C – AU or 55°C – NZ at the bathroom and ensuite. The risk of scald injury will be reduced and if no controllers are installed and the preset outlet temperature setting has not been adjusted below 55°C or if a Kitchen controller is installed, still allow hotter water to the kitchen and...
  • Page 7 For safe and efficient operation, it is recommended an annual service be conducted on the water heater. Only genuine replacement parts should be used on this water heater. Warning: Servicing of a water heater must only be carried out by qualified personnel. Phone Rheem Service or their nearest Accredited Service Agent / Centre.
  • Page 8 ABOUT YOUR WATER HEATER 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 controller), if it is on, will go out.
  • Page 9 The frost protection system will be rendered inoperable if electrical power is not available at the water heater. Damage caused by freezing due to the unavailability of power at the water heater is not covered by the Rheem warranty (refer to “Terms of the Rheem Warranty”...
  • Page 10 New Zealand Building Code. Warning: Temperature controllers must not be fitted to this water heater (871 series) if it is installed as an in-series gas booster with a solar water heater system or if a Water Star water heater is installed because water at a temperature much higher than the controller setting can be delivered.

  • Page 11: Temperature Control

    TEMPERATURE CONTROL CONTROLLERS The Rheem 871 and 875 series can be installed with Rheem controllers to enable the user to control the temperature of the delivered water from the outlet of the water heater. There are two families of Rheem controllers suitable for installation with this water heater.

  • Page 12: Temperature Control - Standard

    TEMPERATURE CONTROL – STANDARD STANDARD CONTROLLER FUNCTIONS If one or more controllers are installed, at least one must be on for the water heater to operate. If all controllers are off, the water heater will only deliver cold water. on / off button – This button must be pressed once to turn on the controller.
  • Page 13 TEMPERATURE CONTROL – STANDARD STANDARD CONTROLLER priority light in use light display panel button water volume symbol down button water volume operating light on / off operating light water volume button on / off controller type button K = Kitchen B1 = Bathroom1 B2 = Bathroom2 Note: water volume button, water volume operating light and water volume symbol are on the Kitchen...
  • Page 14 5. On a building fitted with a temperature limiting device such as a tempering valve and where an 871 series water heater is installed without a separate untempered hot water line to the kitchen, laundry or other non- ablution area, although the Kitchen controller will be able to display temperatures above 50°C and the water...
  • Page 15 The temperature adjustment is made by pressing the up ( ) button or down ( ) button. • The maximum temperature setting for the controllers are: Kitchen Bathroom 871 series 60°C – AU, 55°C – NZ 50°C 875 series 48°C 48°C...
  • Page 16 The Kitchen controller allows the user to select the temperature setting for the hot water to be used in the kitchen and laundry. It has a minimum temperature setting of 37°C and a maximum temperature setting of: • 871 series 60°C – AU 55°C – NZ •...
  • Page 17 °C The Kitchen controller temperature setting will be displayed. This is the lower of the previous setting and: c h e c k 871 series 50°C h o t w a t e r water t e m p e r a t u r e...
  • Page 18 The Bathroom controller(s) allows the user to select the temperature setting for the hot water to be used in the bathroom. They have a minimum temperature setting of 37°C and a maximum temperature setting of: • 871 series 50°C •...
  • Page 19 TEMPERATURE CONTROL – STANDARD To operate a Bathroom controller: Turn off the Kitchen controller If a temperature setting is displayed and the priority light is not glowing, it is advised to turn off the Kitchen controller. Refer to the notes on the Bathroom controllers on page 18.
  • Page 20 TEMPERATURE CONTROL – STANDARD WATER VOLUME FUNCTION – STANDARD CONTROLLER The water volume function is designed to warn, by a beeping sound, that a certain volume of water has been delivered from the water heater. It does not stop either the flow of or the heating of water. This function is particularly useful if a bath is being filled, or measuring the water consumed by the use of a shower.
  • Page 21 TEMPERATURE CONTROL – STANDARD Turn off the alarm priority in us e Press the water volume button to turn off the alarm. The water volume operating light goes out and 0 x10l is °C displayed momentarily on the controller. The temperature setting of the controller with priority is then displayed.

  • Page 22: Temperature Control - Deluxe

    TEMPERATURE CONTROL – DELUXE DELUXE CONTROLLER FUNCTIONS If one or more Deluxe controllers are installed, at least one must be on or the bath fill function activated for the water heater to operate. If all Deluxe controllers and the bath fill function are off, the water heater will only deliver cold water.
  • Page 23 BATH FILL BATH FILL VOLUME TEMPERATURE up button up button BATH FILL BATH FILL VOLUME TEMPERATURE BATH FILL BATH FILL Rheem VOLUME TEMPERATURE down button down button Bath Fill Bath Fill Bath Bath BATH FILL BATH FILL completed Deluxe controller type...
  • Page 24 TEMPERATURE CONTROL – DELUXE VOICE PROMPT AND OPERATING TONE The Deluxe controllers have a series of voice prompts and operating tones which sound during certain operations. The voice prompts and operating tones sound from all Deluxe controllers, regardless of which Deluxe controller is being operated at the time.
  • Page 25 TEMPERATURE CONTROL – DELUXE Adjusting the Volume of the Voice Prompt and Operating Tone The volume of the voice prompt and the operating tone can be adjusted to a level comfortable for you. The volume of the voice prompt and the operating tone can be adjusted independently of each other. The volume levels on a Deluxe controller are adjusted independently of another Deluxe controller.
  • Page 26 5. On a building fitted with a temperature limiting device such as a tempering valve and where an 871 series water heater is installed without a separate untempered hot water line to the kitchen, laundry or other non- ablution area, although the Kitchen Deluxe controller will be able to display temperatures above 50°C and...
  • Page 27 The temperature adjustment is made by pressing the up ( ) button or down ( ) button. • The minimum temperature setting for each type of controller is 37°C. • The maximum temperature setting for the controllers are: Kitchen Bathroom 871 series 60°C – AU, 55°C – NZ 50°C 875 series 48°C 48°C •...
  • Page 28 The Kitchen Deluxe controller allows the user to select the temperature setting for the hot water to be used in the kitchen and laundry. It has a minimum temperature setting of 37°C and a maximum temperature setting • 871 series 60°C – AU 55°C – NZ •...
  • Page 29 The Kitchen controller temperature setting will be BATH (l)  displayed. This is the lower of the previous setting and: BATH FILL  ON/OFF 871 series 50°C 875 series 48°C Select the temperature setting Press the up ( ) button or down ( ) button.
  • Page 30 If a hot tap is open in another bathroom, the water will be delivered at up to 48°C for an 875 series model, or up to 50°C for an 871 series model if a temperature limiting device is installed in the hot pipe to the bathroom or up to 60°C –...
  • Page 31 TEMPERATURE CONTROL – DELUXE To operate a Bathroom Deluxe controller: Turn off the Kitchen Deluxe controller If a temperature setting is displayed and the ACTIVE ACTIVE and ON / OFF operating lights are not glowing, it is °C 8 8 8 8 5 5  ...
  • Page 32 TEMPERATURE CONTROL – DELUXE BATH FILL MODE The Bath Fill mode is designed to allow the water heater to deliver a selected volume of water at a selected temperature. The Bath Fill mode commences when the BATH FILL button is on and a hot tap is opened. When the set volume has been delivered, the water flow from the water heater ceases and heating stops.
  • Page 33 TEMPERATURE CONTROL – DELUXE Close the front panel on the Deluxe controller. Rheem  Turn on the Bath Fill mode Press the BATH FILL button. On all Deluxe controllers: ACTIVE °C 1 2 0 4 0   The BATH FILL operating light will glow.
  • Page 34 The Deluxe controllers do not need to be on to set the bath fill temperature and bath fill water volume and to turn on the Bath Fill mode. BATH FILL  BATH FILL  VOLUME TEMPERATURE  Rheem Pull down the front panel on the Deluxe controller. 5.  7.  Bath Fill BATH FILL VOLUME BATH FILL Bath Fill ...
  • Page 35 While the bath fill water volume is displayed, each BATH FILL  BATH FILL  volume has been VOLUME TEMPERATURE  Rheem subsequent press of the BATH FILL VOLUME increased, bath may overflow” (up button) BATH FILL VOLUME (down button) will change the water volume “bath fill water...
  • Page 36 TEMPERATURE CONTROL – DELUXE Open the hot tap. The operating light will glow on all Deluxe controllers. ACTIVE °C 1 2 0 4 0   Measurement of the water flow at the water heater will BATH (l)  commence when the hot tap is opened. Notes: BATH FILL ...
  • Page 37 TEMPERATURE CONTROL – DELUXE Turning Off Bath Fill Mode During Its Operation The bath fill operation can be interrupted by pressing the BATH FILL button before completion of the bath fill operation. If it is necessary to turn off the Bath Fill mode before the operation is complete, during Step •...
  • Page 38 TEMPERATURE CONTROL – DELUXE Notes on the Bath Fill mode: • The Bath Fill mode can be set, turned on and turned off at any of the Deluxe controllers. • The Deluxe controllers do not require to have priority (ACTIVE light glowing) or be on in order to set the bath fill water volume or bath fill temperature or to turn the BATH FILL button on.
  • Page 39 TEMPERATURE CONTROL – DELUXE Opening a Second Hot Water Tap During Bath Fill Operation • The bath fill water volume is measured as the water flows through the water heater. If more than one hot tap is open, the Bath Fill mode will measure the total water volume drawn from all taps and the expected water volume from the first tap will be decreased.
  • Page 40 TEMPERATURE CONTROL – DELUXE Operation of the Bath Fill mode whilst a Deluxe Controller is ACTIVE It is recommended the Bath Fill mode be set and operated with the Deluxe controllers turned off (refer to Step 1 on page 34). However, if a Deluxe controller is ACTIVE during the setting and operation of the Bath Fill mode, then the following additional events occur: During...

  • Page 41: Water Supplies

    In a corrosive water supply, the water can attack copper parts and cause them to fail. Where the saturation index is less than –1.0, the water is very corrosive and the Rheem warranty does not apply to a copper heat exchanger in a continuous flow water heater.

  • Page 42: 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” page 75).
  • Page 43 • Collector area is too small For most installations, the number of solar collectors recommended in Rheem literature has been proven to provide the required solar energy to meet the average family needs. However, in some circumstances, it may be necessary to install an additional solar collector.
  • Page 44 If the error code persists, take note of the numerical code, turn off the hot tap and turn off the controller(s). Phone Rheem Service or their nearest Accredited Service Agent / Centre to arrange for inspection.

  • Page 45: Installation - Water Heater

    The 871 series of water heater may be installed as an in-series gas booster to a solar water heater. For information relating to the function and operation of the solar water heater, refer to the Owner’s Guide and Installation Instructions supplied with the solar water heater.
  • Page 46 INSTALLATION – WATER HEATER This water heater must be installed vertically upright with the water, gas and power connections on the underside, pointing toward the ground. The back of the water heater can be either against a wall or supported by a frame. The water heater must be secured to the wall or frame using either the screws provided or other mounting screws suitable for the application, two each at the top and bottom...
  • Page 47 Damage to the water heater caused by freezing of the pipe work to or from the water heater is not covered under the Rheem warranty. Refer to AS/NZS 3500.4 for precautions to be taken for installations in frost prone areas. The water heater is not suitable for installation in areas where the ambient temperature falls below -20°C (including wind chill factor).
  • Page 48 Gas Booster for a Solar Water Heater The temperature limiting device used with an 871 series in-series gas booster as part of a solar water heater installation must have the additional capability of receiving a hot water supply temperature of up to 99°C if the solar water heater does not have an over temperature protection system to limit the water to no greater than 90°C, such as the Rheem Premier Hiline thermosiphon closed circuit system.
  • Page 49 INSTALLATION – WATER HEATER 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 storage tank, but it MUST BE before the non return valve prior to an open circuit direct system.
  • Page 50 INSTALLATION – WATER HEATER CIRCULATED HOT WATER FLOW AND RETURN SYSTEM A Rheem 871 series 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 least 60°C.
  • Page 51 INSTALLATION – WATER HEATER from solar storage tank 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 work between the solar storage tank, if one is installed, and the in-series gas booster must be insulated in accordance with the requirements of AS/NZS 3500.4.
  • Page 52 INSTALLATION – WATER HEATER WATER TEMPERATURE DIAGRAMS Note: NZ - max Kitchen Controller and outlet temperature is 55°C 871 Series - Kitchen and Bathroom Controllers 875 Series – Kitchen and Bathroom Controllers Note: NZ - max Kitchen Controller and outlet temperature is 55°C...
  • Page 53 INSTALLATION – WATER HEATER DIMENSIONS AND TECHNICAL DATA Model 871 018 871 020 871 022 871 024 871 026 871 M24 875 018 875 022 875 024 875 026 875 M24 Rated delivery litres / min 12.5 12.5 (@ 40°C rise) Recovery litres / min (@ 25°C rise)
  • Page 54 INSTALLATION – WATER HEATER DIMENSIONS – STANDARD CONTROLLERS Kitchen Controller (Standard) Bathroom Controller (Standard)
  • Page 55 INSTALLATION – WATER HEATER DIMENSIONS – DELUXE CONTROLLERS Deluxe Controller – Cover Closed Deluxe Controller – Cover Open...
  • Page 56 INSTALLATION – WATER HEATER TYPICAL INSTALLATION – OUTDOOR LOCATION Clearances must comply with AS 5601, AS/NZS 5601.1 or NZS 5261 as applicable under local regulations...

  • Page 57: Connections - Plumbing

    Use the spanner flats on the water heater fittings and take care to avoid twisting the water inlet and outlet pipes inside the jacket. 871 series in-series gas boosters with the following or a later suffix letter after the model number on the •...
  • Page 58 Warning: Always isolate the water heater before pressure testing the gas supply system. Disconnect the water heater after the isolation valve to prevent the risk of serious damage to the gas control. The Rheem warranty does not cover damage of any nature resulting from failure to observe this precaution. Refer to...

  • Page 59: Connections - Electrical

    Wiring Rules AS/NZS 3000 and all local codes and regulatory authority requirements. Warning: Temperature controllers must not be fitted to this water heater (871 series) if it is installed as an in-series gas booster with a solar water heater system or if a Water Star water heater is installed because water at a temperature much higher than the controller setting can be delivered.

  • Page 60: Installation - Controllers

    INSTALLATION – CONTROLLERS CONTROLLERS The Rheem 871 and 875 series can be installed with Rheem controllers to enable the user to control the temperature of the delivered water from the outlet of the water heater. There are two families of Rheem controllers suitable for installation with this water heater. These are the standard controllers and the Deluxe controllers.
  • Page 61 The standard Kitchen controller (Rheem AU - Part 299853, NZ - Part A299850) or Kitchen Deluxe controller (Rheem AU - Part 299861, NZ - Part A299861) is to be installed in the kitchen or laundry only. It has a minimum temperature setting of 37°C and a maximum temperature setting of: •...
  • Page 62 INSTALLATION – CONTROLLERS Wiring installation: Penetrate the wall with a 30-35 mm hole at the controller location. Install the Kitchen controller cable between the location of the controller and the water heater. Remove the base plate from the controller. Draw the cable through the central hole in the base plate. Fix the base plate to the wall using suitable screws and wall anchors.
  • Page 63 INSTALLATION – CONTROLLERS If it is necessary to have an exposed wiring installation, follow this procedure omitting Steps 1 and 4, and make an opening in the thin section in the underside of the controller to accommodate the cable (as shown in the diagram), prior to Step 6.
  • Page 64 If only one Bathroom controller is to be installed, the standard Bathroom1 Controller (Rheem AU - Part 299854, NZ - Part A299851) or the Bathroom1 Deluxe controller (Rheem AU - Part 299862, NZ - Part A299862) must be used. If two Bathroom controllers are to be installed, one must be a standard...
  • Page 65 INSTALLATION – CONTROLLERS Wiring installation: Penetrate the wall with a 30-35 mm hole at the controller location. Install the supplied cable between the location of the controller and the water heater. Remove the base plate from the controller. Peel off one side of the adhesive paper from the foam packing and adhere to the back face of the base plate.
  • Page 66 INSTALLATION – CONTROLLERS CONNECTING THE CONTROLLER(S) TO THE WATER HEATER To connect the controller(s) to the water heater: water heater Ensure the electrical supply to the water heater is switched off. Unscrew and gently remove the electrical cover from the underside of the water heater.

  • Page 67: Commissioning

    COMMISSIONING All water heaters are tested and adjusted before dispatch from the factory, however further adjustments may become necessary because of local conditions. TO TURN ON THE WATER HEATER • Open all of the hot taps in the house (don’t forget the shower). •...
  • Page 68 COMMISSIONING Gas Inlet Test Point Pressure To check the gas inlet pressure: Close any hot taps and ensure the burners are not operating. Close the gas isolation valve at the gas inlet to the water heater. Locate the gas inlet test point on the gas connection to the water heater.
  • Page 69 Warning: The removal of the front panel will expose 240 volt wiring. Take care not to touch wiring terminals. Note: If an 871 series model is installed as an in-series gas booster for a solar water heater, then during this procedure the temperature of the water entering the in-series gas booster must be below 58°C. Otherwise the gas burners will not ignite and the operational gas pressures cannot be measured.
  • Page 70 COMMISSIONING Notes: • If the burners extinguish and error code 11 or12 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 70) recommence the procedure from Step 8.
  • Page 71 COMMISSIONING PRESET OUTLET TEMPERATURE SETTING The factory preset outlet temperature setting of the water heater is: • 871 series (pre 2007 manufacture date) 50°C – AU, 55°C – NZ • 871 series (from 2007 manufacture date) 60°C – AU, 55°C – NZ •...
  • Page 72 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: • 871 series 40°C, 43°C, 50°C, 55°C, 60°C, 70°C*, 75°C** * AU – 70°C is the maximum preset outlet temperature.
  • Page 73 • Damage caused by freezing due to the unavailability of power at the water heater is not covered by the Rheem warranty (refer to “Terms of the Rheem Warranty” on page 75). • If the power has been switched off to the water heater and there is a risk of freezing, then it is necessary to drain the water heater (refer to “Draining the Water Heater”...

  • Page 74: Draining The Water Heater

    DRAINING THE WATER HEATER To drain the water heater: • Turn off the water heater (refer to “Turn Off The Water Heater” on page 73). • 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 75: Warranty

    2.8 If you require a call out and we find that the fault is not covered by the Rheem 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 76 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 water heater if it fails to operate in accordance with its specifications as...

This manual is also suitable for:

875 series624E24E26871 018875 018 ... Show all

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