Rheem 884 Series Owner's Manual And Installation Instructions

Continuous flow gas water heater

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Owner's Guide
and

Installation Instructions

Continuous Flow
Gas Water Heater
884, 886 series
024 models
This water heater must be installed and serviced by a qualified person.
Please leave this guide with the householder.

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Table of Contents
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Summary of Contents for Rheem 884 Series

  • Page 1: Installation Instructions

    Owner’s Guide Installation Instructions Continuous Flow Gas Water Heater 884, 886 series 024 models 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. Rheem Australia Pty Ltd is the supplier of the Rheem range of continuous flow gas water heaters, manufactured by Paloma Co., Ltd., a world leader in water heater technology and manufacture.
  • Page 3: Table Of Contents

    CONTENTS HOUSEHOLDER - We recommend you read pages 4 to 34. The other pages are intended for the installer but may be of interest. About Your Water Heater ......................4   Temperature Control ......................... 11   Temperature Control – Deluxe ....................12  ...
  • Page 4: About Your Water Heater

    50°C can be delivered from the system. • The 884 series 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 or higher and a remote temperature controller is not used. Warning: Temperature controllers must not be fitted to this water heater (884 series) if it is installed as an in-series gas booster with a solar water heater 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 884 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 Warning: For continued safety of this water heater it must be installed, operated and maintained in accordance with the Owner’s Guide and Installation Instructions. The Rheem warranty may not cover faults if relief valves or other safety devices are tampered with or if the installation is not in accordance with these instructions.
  • Page 8 For safe and efficient operation, it is recommended an a five year 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 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 (884 series) if it is installed as an in-series gas booster with a solar water heater 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 884 and 886 series can be installed with Rheem Deluxe controllers to enable the user to control the temperature of the delivered water from the outlet of the water heater. Rheem standard controllers will not operate with this water heater and should not be connected.
  • Page 12: 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 13 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 brief Deluxe controller...
  • Page 14 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 15 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 16 5. On a building fitted with a temperature limiting device such as a tempering valve and where an 884 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 17 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 884 series 60°C – AU, 55°C – NZ 50°C 886 series 50°C 50°C •...
  • Page 18 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 • 884 series 60°C – AU 55°C – NZ •...
  • Page 19 TEMPERATURE CONTROL – DELUXE To operate the Kitchen Deluxe controller: Turn off the Bathroom Deluxe controller(s) If a temperature setting is displayed and the ACTIVE ACTIVE light is not glowing, it is necessary to turn off the °C 8 8 8 8 5 5  ...
  • Page 20 If a hot tap is open in another bathroom, the water will be delivered at up to 50°C for an 886 series model, or up to 50°C for an 884 series model if a temperature limiting device is installed in the hot pipe to the bathroom or up to 60°C –...
  • Page 21 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 22 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 23 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 24 ON/OFF  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. BATH FILL VOLUME BATH FILL Bath Fill 5.  7. ...
  • Page 25 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 26 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 27 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 28 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 29 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 30 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 24). 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 31: 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 32: 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 71).
  • Page 33 • 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 34 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 35: Installation - Water Heater

    The 884 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 36 INSTALLATION – WATER HEATER WATER HEATER LOCATION The water heater should be installed close to the most frequently used outlet and its position chosen with safety and service in mind. If this water heater is part of a solar water heater system, it should also be installed close to the solar storage tank.
  • Page 37 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 38 Gas Booster for a Solar Water Heater The temperature limiting device used with an 884 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 39 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 40 INSTALLATION – WATER HEATER CIRCULATED HOT WATER FLOW AND RETURN SYSTEM An 884 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 41 INSTALLATION – WATER HEATER Circulated Hot Water Flow and Return - Continuous Flow Gas 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 42 INSTALLATION – WATER HEATER WATER TEMPERATURE DIAGRAMS Note: NZ - max Kitchen Controller and outlet temperature is 55°C 884 Series - Kitchen and Bathroom Controllers 886 Series – Kitchen and Bathroom Controllers Note: NZ - max Kitchen Controller and outlet temperature is 55°C...
  • Page 43 INSTALLATION – WATER HEATER DIMENSIONS AND TECHNICAL DATA 884 024 Model 886 024 Rated delivery 15.0 litres / min (@ 40°C rise) Recovery litres / min (@ 25°C rise) Mass Empty Hourly Gas Gas Details Test Point Gas Pressure (kPa) Min Gas Pressure Max Gas Pressure Consumption...
  • Page 44 INSTALLATION – WATER HEATER DIMENSIONS – DELUXE CONTROLLERS Deluxe Controller – Cover Closed Bath Fill Bath Fill completed Bath Bath (automatic) Water Fill BATH FILL BATH FILL Volume Temp Bath Fill Button Press Bath Press Bath (Red light flashes) Fill Button Fill Button Set Bath Fill Water Volume (Red light on)
  • Page 45 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 RATING LABEL...
  • Page 46: 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. In New Zealand the installation must also conform with the New Zealand Building Code. All gas work must be carried out by a qualified person and in compliance with the Standard AS 5601 or AS/NZS 5601.1, as applicable under local regulations, and all local codes and regulatory authority requirements.
  • Page 47 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 48: 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 (884 series) if it is installed as an in-series gas booster with a solar water heater or if a Water Star water heater is installed, because water at a temperature much higher than the controller setting can be delivered.
  • Page 49: Ez-Link System Dual Installation

    EZ-LINK SYSTEM DUAL INSTALLATION The EZ-Link™ system is designed to electronically control two continuous flow gas water heaters and have them operate as one. One or both water heaters may be in operation, depending upon the hot water demand. The second water heater will only operate when the hot water demand exceeds the capacity of the first water heater to supply.
  • Page 50 EZ-LINK SYSTEM DUAL INSTALLATION DUAL INSTALLATION The two continuous flow water heaters can be installed side by side with minimal clearance between them. The AGA has approved the installation of two of this model water heater with an exemption from the 300 mm minimum clearance requirements between flue terminals, as stated in AS/NZS 5601, clause 5.13.6.5 and AS/NZS 5601.1, clause 6.9.3.
  • Page 51 EZ-LINK SYSTEM DUAL INSTALLATION EZ-LINK CABLE CONNECTION The references in steps 5 to 8 are to the ‘Control Board with Ez-Link Connection’ diagram on page 52. To connect the Ez-Link cable to the water heaters: Close any hot taps and ensure the burners on both water heaters are not operating. Switch off the electrical supply at the power outlet to each water heater.
  • Page 52 EZ-LINK SYSTEM DUAL INSTALLATION Control Board with Ez-Link Connection Typical Two Unit Manifold with Ez-Link Connection...
  • Page 53: Multiple Installations

    MULTIPLE INSTALLATIONS A multiple installation of 24 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 arrangement.
  • Page 54 MULTIPLE INSTALLATIONS Refer to the diagram on page 54 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 rate increases or decreases to a particular rate. This procedure can be conducted with either cold water or solar heated water, however the temperature of the solar heated water must not exceed 58°C.
  • Page 55 MULTIPLE INSTALLATIONS To set and commission the pressure reducing valves: 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 62). Turn on services: Turn on the water, gas and electricity to the water heaters.
  • Page 56: Installation - Controllers

    INSTALLATION – CONTROLLERS CONTROLLERS The 884 and 886 series can be installed with Rheem Deluxe controllers to enable the user to control the temperature of the delivered water from the outlet of the water heater. Rheem standard controllers will not operate with this water heater and should not be connected.
  • Page 57 INSTALLATION – CONTROLLERS KITCHEN CONTROLLER The 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 58 INSTALLATION – CONTROLLERS controller suitable wall anchors wall penetration cable projections terminal screws screws base plate controller screw Kitchen Deluxe Controller Installation Concealed Cable 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 59 BATHROOM1 AND BATHROOM2 CONTROLLERS If only one Bathroom controller is to be installed, 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 Bathroom1 Deluxe controller and the other must be a Bathroom2 Deluxe controller (Rheem AU - Part 299863, NZ - Part A299863).
  • Page 60 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 61 INSTALLATION – CONTROLLERS CONNECTING THE CONTROLLER(S) TO THE WATER HEATER To connect the controller(s) to the 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. Draw the cable(s) through the electrical cover.
  • Page 62: 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 63 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 64 Warning: The removal of the front panel will expose 240 volt wiring. Take care not to touch wiring terminals. Note: If an 884 series model is installed as an in-series gas booster to 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 65 COMMISSIONING 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 65) recommence the procedure from Step 8.
  • Page 66 COMMISSIONING PRESET OUTLET TEMPERATURE SETTING The factory preset outlet temperature setting of the water heater is: • 884 series 60°C – AU, 55°C – NZ • 886 series 50°C If a Deluxe controller is connected to the water heater, this will override the preset outlet temperature setting...
  • Page 67 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: • 884 series 38°C, 40°C, 42°C, 43°C, 45°C, 50°C, 55°C, 60°C, 70°C, 75°C • 886 series 38°C, 40°C, 42°C, 43°C, 45°C, 50°C...
  • Page 68 COMMISSIONING OUTLET TEMPERATURE COMPENSATION ADJUSTMENT – 886 SERIES The maximum outlet temperature of an 886 series water heater may be adjusted to compensate for temperature losses in the pipe work between the water heater outlet and sanitary fixtures. Warnings • After adjustment the water temperature MUST NOT exceed 50°C from the first tap in the hot water pipe work after the water heater used for personal hygiene purposes, such as in a bathroom or ensuite.
  • Page 69 COMMISSIONING Turn off the hot tap. Switch off the electrical supply at the power outlet to the water heater. Remove the screws holding the front panel to the jacket. Gently disengage the front panel and pull forward to remove from the water heater. Switch on the electrical supply at the power outlet to the water heater.
  • Page 70: Draining 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” on page 71). • 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 71: Warranty

    2.1 The decision of whether to repair or replace a faulty component is at Rheem’s sole discretion. 2.2 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.
  • Page 72 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:

886 series

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