Rheem 862 series Specifications

This water heater must be installed and serviced by a qualified person. Please leave this guide with a responsible officer. Owner’s Guide and Instal

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

11 WATER SUPPLIES This water heater must be installed in accordance with this advice to be covered by the Rheem warranty. This wat

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

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

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

15 INSTALLATION – WATER HEATER THIS WATER HEATER IS FOR INDOOR INSTALLATION ONLY. THIS WATER HEATER IS NOT SUITABLE FOR POOL HEATING. Check the wate

INSTALLATION – WATER HEATER 16 This water heater must be installed vertically upright with the water, gas and power connections on the

INSTALLATION – WATER HEATER 17 MAINS WATER SUPPLY Where the mains water supply pressure exceeds that shown in the table below, an approv

INSTALLATION – WATER HEATER 18 HOT WATER DELIVERY This water heater can deliver water at temperatures which can cause scalding. It is necessary and w

INSTALLATION – WATER HEATER 19 Where a temperature limiting device is installed adjacent to the in-series gas booster, the cold water line to the temp

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. Rh

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

INSTALLATION – WATER HEATER 21 LEGEND LEGEND Circulated Hot Water Flow and Return Continuous Flow Gas Water Heater LEGEND Circulated Hot Water F

INSTALLATION – WATER HEATER 22 DIMENSIONS AND TECHNICAL DATA MOUNTING HOLES2x TOP2x BOTTOMØ12735110 to 406507076721749211321275HOT WATER OUTLETPOWER

INSTALLATION – WATER HEATER 23 TYPICAL INSTALLATION – INDOOR LOCATION

24 CONNECTIONS – PLUMBING All plumbing work must be carried out by a qualified person and in compliance with the Standard AS/NZS 350

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 m

26 FLUEING SECONDARY FLUE A secondary flue must be installed with an indoor water heater to discharge combustion products to outside the building.

FLUEING 27 COMPONENTS A complete flue system is comprised from the following components. horizontal flue terminal (PN 295116) trim ring (PN 295125)

FLUEING 28 FLUE TERMINAL LOCATION The water heater must be located to ensure that the location of the flue terminal complies with the

FLUEING 29 FLUE LENGTHS Maximum Flue Length The system will not operate if there is excessive restriction (pressure drop) in the flueing system. The

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. Abou

FLUEING 30 Condensate Trap and Condensate Drain Line Where the installation requires a Condensate Trap and condensate drain line: 1. Remove the clam

FLUEING 31 HORIZONTAL FLUE RUNS There are a number of basic installation requirements which must be followed for a flue installation in

FLUEING 32 Typical Installation Horizontal Terminal with Multiple Vertical and Horizontal Sections Typical Installation Typical Installati

FLUEING 33 HORIZONTAL FLUE INSTALLATION Horizontal Flueing – Directly Behind Water Heater This method of flue installation is used where the secondary

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 heat

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

FLUEING 36 4. Carefully remove the template inserted as the middle pages of this installation instructions booklet.  Cut along the middle of the bo

FLUEING 37 17. Once the flue is assembled and penetrating the wall, install the Horizontal Terminal and secure the termination to the

FLUEING 38 VERTICAL FLUE INSTALLATION Suitable flashing (not supplied) is required to waterproof the roof penetration. Notes: Ensure each flue comp

FLUEING 39 8. Fix a Wall Bracket after each transition to a vertical run. This is to prevent vertical loading on the bends and offsets. 9. Support v

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

FLUEING 40 MULTIPLE WATER HEATER FLUE INSTALLATION Where multiple water heaters are installed, each water heater must be individually flued to the o

FLUEING 41 MULTIPLE WATER HEATER CONDENSATE TRAP AND CONDENSATE DRAIN LINE INSTALLATION Depending upon the type of installation, it may be necessary t

FLUEING 42 Warning: Failure to fill with water may cause flue gasses to escape through the condensate trap. The condensate trap should be regularly

43 CONNECTIONS – ELECTRICAL All electrical work and permanent wiring must be carried out by a qualified person and in accordance with the Wiring Rul

44 MULTIPLE INSTALLATIONS A multiple installation of 27 litre gas water heaters on a single manifold is possible, using a parallel plumbing arrangem

MULTIPLE INSTALLATIONS 45 Refer to the diagram on page 45 for installation and plant layout details. PRESSURE REDUCING VALVE COMMISSIONING PROCEDURE

MULTIPLE INSTALLATIONS 46 To set and commission the pressure reducing valves: 1. Commissioning: Commission each of the water heaters prior to setting

47 COMMISSIONING All water heaters are tested and adjusted before dispatch from the factory, however further adjustments may become necessary becaus

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.

COMMISSIONING 49 BURNER GAS PRESSURE It is necessary to check the burner gas pressure at both the minimum and maximum operational settings. To check a

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

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 button

COMMISSIONING 51 PRESET OUTLET TEMPERATURE SETTING The factory preset outlet temperature setting of the water heater is: 862 series 60°C for a sin

COMMISSIONING 52 TO CHECK OR ADJUST THE PRESET OUTLET TEMPERATURE SETTING The temperature settings will be displayed on the LED display. The preset ou

COMMISSIONING 53 TO TURN OFF THE WATER HEATER If it is necessary to turn off the water heater on completion of the installation, such as on a building

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

55 RHEEM CONTINUOUS FLOW GAS WATER HEATER WARRANTY – AUSTRALIA ONLY CONTINUOUS FLOW GAS WATER HEATER 862 627 MODELS 1. THE RHEEM WARRANTY – GENERAL

RHEEM CONTINUOUS FLOW GAS WATER HEATER WARRANTY – AUSTRALIA ONLY Revision Date: 2013 May 122180C 56 CONTINUOUS FLOW GAS WATER HEATER 862 627 MOD

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 capab

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 ins

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 p

ABOUT YOUR WATER HEATER 9 FROST PROTECTION The water heater has a frost protection system. The frost protection system will protect the water heater f