Rheem 876E16NF - Manuals

ABOUT YOUR WATER HEATER 5 GAS BOOSTING FOR A SOLAR WATER HEATER Water stored in the solar storage tank passes through the in-series gas booster when a hot tap is opened. The in-series gas booster is for heating water at times of low solar energy gain, such as during cloudy or rainy weather, or durin...

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...

ABOUT YOUR WATER HEATER 7 GENERAL MAINTENANCE The jacket of the water heater can be cleaned with a soft cloth and warm mild soapy water. Under no circumstances should abrasive materials or powders be used. The area around the water heater can be sprayed with insecticide to rid the area of insects. I...

ABOUT YOUR WATER HEATER 8 CIRCULATED HOT WATER FLOW AND RETURN SYSTEM A Rheem 874 series continuous flow water heater can be installed as part of a circulated hot water flow and return system in a building. Refer to “Circulated Hot Water Flow and Return System” on page 51 for further information and...

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 protecti...

ABOUT YOUR WATER HEATER 10 HOW DO I KNOW IF THE WATER HEATER IS INSTALLED CORRECTLY? Installation requirements are shown on pages 45 to 57. The water heater must be installed:  by a qualified person, and  in accordance with the installation instructions, and  in compliance with Standards AS/NZS 3...

11 TEMPERATURE CONTROL CONTROLLERS The Rheem 874 and 876 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 heat...

12 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 ( X 10L 8 8 ° C ) button – This button must be presse...

TEMPERATURE CONTROL – STANDARD 13 STANDARD CONTROLLER Rheem X 10L ° C Note: water volume ( X 10L 8 8 ° C ) button, water volume operating light and water volume symbol are on the Kitchen controller only. SILENCING A CONTROLLER – STANDARD The controller emits a sound whenever a button is pressed. Thi...

TEMPERATURE CONTROL – STANDARD 14 TEMPERATURE SETTINGS – STANDARD CONTROLLER The temperature settings of each type of controller are:  Bathroom1 & 2 37°C to 46°C (in 1°C increments), 48°C*, 50°C  Kitchen 37°C to 46°C (in 1°C increments), 48°C*, 50°C, 55°C, 60°C * limited to 48°C on an 876 seri...

TEMPERATURE CONTROL – STANDARD 15 TEMPERATURE ADJUSTMENT – STANDARD CONTROLLER  A controller must be on and have priority to be able to adjust the temperature setting.  The temperature adjustment is made by pressing the up (  ) button or down (  ) button.  The maximum temperature setting for th...

TEMPERATURE CONTROL – STANDARD 16 KITCHEN CONTROLLER – STANDARD 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:  874 series 60°C  876...

TEMPERATURE CONTROL – STANDARD 17 To operate the Kitchen controller: 1. Turn off the Bathroom controller(s)  If a temperature setting is displayed and the priority light is not glowing, it is necessary to turn off the Bathroom controller(s) to gain priority.  Refer to the notes on the Kitchen cont...

TEMPERATURE CONTROL – STANDARD 18 BATHROOM CONTROLLERS – STANDARD 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:  874 series 50°C  876 s...

TEMPERATURE CONTROL – STANDARD 19 4 0 ° C 4 2 ° C 4 2 ° C 4 2 ° C To operate a Bathroom controller: 1. 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 c...

TEMPERATURE CONTROL – STANDARD 20 WATER VOLUME FUNCTION The water volume function is designed to warn by an alarm (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 useful if a bath i...

TEMPERATURE CONTROL – STANDARD 21 5. Turn off the alarm  Press the water volume ( X 10L 8 8 ° C ) button to turn off the alarm. The water volume operating light goes out and 0 x 10L is displayed momentarily on the controller. The temperature setting of the controller with priority is then displayed...

22 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 c...

TEMPERATURE CONTROL – DELUXE 23 bath fill water volume display panel – The selected bath fill water volume is displayed in litres on all Deluxe controllers. The selected bath fill water volume is displayed whenever the Bath Fill function is on (refer to “Bath-Fill Function” on page 32) or when the b...

TEMPERATURE CONTROL – DELUXE 24 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 ope...

TEMPERATURE CONTROL – DELUXE 25 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 vol...

TEMPERATURE CONTROL – DELUXE 26 TEMPERATURE SETTINGS – DELUXE CONTROLLERS The temperature settings of each type of Deluxe controller are:  Bathroom1 & 2 Deluxe 37°C to 46°C (in 1°C increments), 48°C*, 50°C  Kitchen Deluxe 37°C to 46°C (in 1°C increments), 48°C*, 50°C, 55°C, 60°C * limited to 4...

TEMPERATURE CONTROL – DELUXE 28 KITCHEN CONTROLLER – DELUXE 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 of:  874 series 60°C  ...

TEMPERATURE CONTROL – DELUXE 29 To operate the Kitchen Deluxe controller: 1. Turn off the Bathroom Deluxe controller(s)  If a temperature setting is displayed and the PRIORITY light is not glowing, it is necessary to turn off the Bathroom Deluxe controller(s) to gain priority.  Refer to the notes ...

TEMPERATURE CONTROL – DELUXE 30 BATHROOM CONTROLLERS – DELUXE The Bathroom Deluxe 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:  874 series 50°C  87...

TEMPERATURE CONTROL – DELUXE 31 To operate a Bathroom Deluxe controller: 1. Turn off the Kitchen Deluxe controller  If a temperature setting is displayed and the PRIORITY and on / off operating lights are not glowing, it is advised to turn off the Kitchen Deluxe controller. Refer to the notes on th...

TEMPERATURE CONTROL – DELUXE 32 BATH FILL FUNCTION The Bath Fill function is designed to allow the water heater to deliver a selected volume of water at a selected temperature. The Bath Fill function commences when the bath fill ( X 10L 8 8 ° C ) button is on and a hot tap is opened. When the set vo...

TEMPERATURE CONTROL – DELUXE 33 5. Close the front panel on the Deluxe controller. 6. Turn on the Bath Fill function  Press the bath fill ( X 10L 8 8 ° C ) button. On all Deluxe controllers:  The bath fill operating light will glow.  The bath fill temperature setting will appear on the temperatur...

TEMPERATURE CONTROL – DELUXE 34 Bath Fill Function – Explanatory Notes To operate the Bath Fill function: 1. Turn off all Deluxe controllers  It is advised to turn off all Deluxe controller(s) before activating the Bath Fill function. Refer to the notes on the Bathroom Deluxe controllers on page 30...

TEMPERATURE CONTROL – DELUXE 35 4. Set the bath fill water volume  Press the BATH FILL VOLUME up (  ) button or the BATH FILL VOLUME down (  ) button. The first press of either the BATH FILL VOLUME up (  ) button or the BATH FILL VOLUME down (  ) button will display the last selected bath fill ...

TEMPERATURE CONTROL – DELUXE 36 7. Open the hot tap. The operating light will glow on all Deluxe controllers. Measurement of the water flow at the water heater will commence when the hot tap is opened. Notes:  If a second hot tap is opened when the Bath Fill function is turned on, the set bath fill...

TEMPERATURE CONTROL – DELUXE 37 Turning Off Bath Fill Function During Its Operation The bath fill operation can be interrupted by pressing the bath fill ( X 10L 8 8 ° C ) button before completion of the bath fill operation. If it is necessary to turn off the Bath Fill function before the operation i...

TEMPERATURE CONTROL – DELUXE 38 Notes on the Bath Fill function:  The Bath Fill function can be set, turned on and turned off at any of the Deluxe controllers.  The Deluxe controllers do not require to have priority (PRIORITY light glowing) or be on in order to set the bath fill water volume or ba...

TEMPERATURE CONTROL – DELUXE 39 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 function will measure the total water volume drawn from all taps and the exp...

TEMPERATURE CONTROL – DELUXE 40 Operation of the Bath Fill function whilst a Deluxe Controller has priority It is recommended the Bath Fill function be set and operated with the Deluxe controllers turned off (refer to Step 1 on page 34). However, if a Deluxe controller has PRIORITY during the settin...

41 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...

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” on page 83). NO DISPLAY ON THE CONTROLLER  Is the controller turne...

SAVE A SERVICE CALL 43 WATER FLOW FLUCTUATES More than one or two hot taps in use at the same time may cause a decrease in the hot water flow from the taps. This can also be evident if the water heater has been installed as an in-series gas booster to a solar water heater and the solar heated water ...

SAVE A SERVICE CALL 44 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 ...

45 INSTALLATION – WATER HEATER THIS WATER HEATER IS FOR OUTDOOR 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 instal...

INSTALLATION – WATER HEATER 46 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. Note: The water heater must be well secured...

INSTALLATION – WATER HEATER 47 INSTALLATION WITHIN A COVERED AREA The water heater must be located such that the installation meets the requirements of either AS 5601 or AS/NZS 5601.1 as applicable under local regulations. There must be sufficient ventilation so the water heater has an adequate supp...

INSTALLATION – WATER HEATER 48 RECESS INSTALLATION The water heater can be installed recessed into a wall. A recess box (PN 299842) is available for such an installation. Refer to the installation instructions which accompany the recess box kit for information on its installation. An additional rati...

INSTALLATION – WATER HEATER 49 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 874 series water heater and the hot water outlets in any ablution and public areas ...

INSTALLATION – WATER HEATER 50 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...

INSTALLATION – WATER HEATER 51 CIRCULATED HOT WATER FLOW AND RETURN SYSTEM A Rheem 874 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 lea...

INSTALLATION – WATER HEATER 52 Circulated Hot Water Flow and Return Continuous Flow Gas Water Heater 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 sol...

INSTALLATION – WATER HEATER 53 WATER TEMPERATURE DIAGRAMS 874 Series - Kitchen and Bathroom Controllers 876 Series – Kitchen and Bathroom Controllers 874 Series - Kitchen Controller Only 876 Series - Kitchen Controller Only 874 Series - Bathroom Controllers Only 876 Series - Bathroom Controllers Onl...

INSTALLATION – WATER HEATER 55 DIMENSIONS – STANDARD CONTROLLERS Kitchen Controller (Standard) Bathroom Controller (Standard)

INSTALLATION – WATER HEATER 57 TYPICAL INSTALLATION – OUTDOOR LOCATION

58 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/...

CONNECTIONS – PLUMBING 59 IN-SERIES BOOSTER The pipe work between the solar storage tank (if one is installed) and the in-series gas booster has a minimum recommended pipe size of DN20, MUST BE of copper and be fully insulated with a closed cell type insulation or equivalent in accordance with the r...

60 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 ho...

EZ-LINK SYSTEM DUAL INSTALLATION 61 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 betw...

EZ-LINK SYSTEM DUAL INSTALLATION 62 EZ-LINK CABLE CONNECTION The references in steps 5 to 8 are to the ‘Control Board with Ez-Link Connection’ diagram on page 63. To connect the Ez-Link cable to the water heaters: 1. Close any hot taps and ensure the burners on both water heaters are not operating. ...

EZ-LINK SYSTEM DUAL INSTALLATION 63 13. Open a hot tap. The first water heater and depending upon the flow from the hot tap, the second water heater will operate automatically. 14. Increase the hot water flow by turning on an additional hot tap(s). Check to ensure the flow from each connected hot ta...

EZ-LINK SYSTEM DUAL INSTALLATION 64 Typical Two Unit Manifold with Ez-Link Connection 874 and 876 series 612, 616, E16, 618 and 620 models

65 INSTALLATION – CONTROLLERS CONTROLLERS The Rheem 874 and 876 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 wat...

INSTALLATION – CONTROLLERS 66 Location – The controllers must be installed in dry, shaded and clean locations. Do not install the controllers:  Near a heat source, such as a cook top, stove or oven. Heat, steam and smoke will interfere with the electronic components of the controllers.  In direct ...

INSTALLATION – CONTROLLERS 67 Wiring installation: 1. Penetrate the wall with a 30-35 mm hole at the controller location. 2. Install the Kitchen controller cable between the location of the controller and the water heater. 3. Remove the base plate from the controller. 4. Draw the cable through the c...

INSTALLATION – CONTROLLERS 68 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. Kitchen Controller (S...

INSTALLATION – CONTROLLERS 69 BATHROOM1 AND BATHROOM2 CONTROLLERS If only one Bathroom controller is to be installed, the standard Bathroom1 Controller (Rheem PN 299854) or the Bathroom1 Deluxe controller (Rheem PN 299862) must be used. If two Bathroom controllers are to be installed, one must be a ...

INSTALLATION – CONTROLLERS 71 CONNECTING THE CONTROLLER(S) TO THE WATER HEATER To connect the controller(s) to the water heater: 1. Ensure the electrical supply to the water heater is switched off. 2. Unscrew and gently remove the front panel from the water heater. 3. Draw the cable(s) through the c...

72 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  O pen all of the hot taps in the house (don’t forget the shower).  Open the cold water isolation v...

COMMISSIONING 73 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...

COMMISSIONING 74 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...

COMMISSIONING 75 11. Press and hold down the MIN button (“1L” is shown on the controller display), and observe the reading on the manometer. The red LED will glow and remain solid. 12. Release the MIN button. The red LED goes out. If the manometer reading observed in step 11 agrees with the rating l...

COMMISSIONING 76 Maximum test point gas pressure Refer to the rating label on the water heater for the maximum test point gas pressure. Follow Steps 10 to 16 of the “Minimum test point gas pressure” procedure on page 74, but open the hot tap fully and use the MAX button instead of the MIN button. It...

COMMISSIONING 77 PRESET OUTLET TEMPERATURE SETTING The factory preset outlet temperature setting of the water heater is:  874 series 60°C  876 series 48°C If a temperature controller is connected to the water heater, this will override the preset outlet temperature setting and the maximum temperat...

COMMISSIONING 78 TO CHECK OR ADJUST THE PRESET OUTLET TEMPERATURE SETTING The temperature setting will be displayed by a series of flashes from the red LED, with a three (3) second pause between each series of flashes. The preset outlet temperature settings and series of flashes are:  874 series 55...

COMMISSIONING 79 OUTLET TEMPERATURE COMPENSATION ADJUSTMENT – 876 SERIES The maximum outlet temperature of an 876 series 612 to 620 and E16 model water heater may be adjusted to compensate for temperature losses in the pipe work between the water heater outlet and sanitary fixtures. Warnings  After...

COMMISSIONING 80 Note: The preset outlet temperature setting of this water heater must be set at 48°C prior to the commencement of this procedure. This procedure cannot be performed if the preset outlet temperature is set at 43°C or 45°C. Refer to “To Check or Adjust the Preset Outlet Temperature Se...

COMMISSIONING 81 13. Repeat steps 2 to 5.  if the water temperature is still below:  48°C (if a temperature controller is to be connected), or  50°C (if no temperature controller is to be connected) and requires to be increased, repeat steps 10 to 12, followed by steps 2 to 5 until an acceptable ...

82 DRAINING THE WATER HEATER To drain the water heater:  Turn off the water heater (refer to “Turn Off The Water Heater” on page 81).  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 ...

83 RHEEM CONTINUOUS FLOW GAS WATER HEATER WARRANTY – AUSTRALIA ONLY CONTINUOUS FLOW GAS WATER HEATERS 874, 876 SERIES 612 – 620, E16 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 su...

RHEEM CONTINUOUS FLOW GAS WATER HEATER WARRANTY – AUSTRALIA ONLY Revision Date: 2016 November (31-86474-00  ) 122479E 84 CONTINUOUS FLOW GAS WATER HEATERS 874, 876 SERIES 612 – 620, E16 MODELS 3. WHAT IS COVERED BY THE RHEEM WARRANTY FOR THE WATER HEATERS DETAILED IN THIS DOCUMENT 3.1 Rheem will re...