Rheem 627 series- Manuals

ABOUT YOUR WATER HEATER 5 HOW HOT SHOULD THE WATER BE? The solar water heater will deliver water at temperatures up to 70°C to 80°C for a Vulcan solar direct or indirect pumped system and possibly higher for some other models of solar water heaters. During periods of low solar energy gain, the in-se...

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 Vulcan 244 627 model 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 19 for further information...

ABOUT YOUR WATER HEATER 9 DRAINING THE WATER HEATER Turn off the water heater (refer to “Turn Off The Water Heater” on page 8). Open a hot tap (preferably the shower outlet). Unscrew the two drain plugs, one each at the solar heated water inlet and hot water outlet, on the underside of the water hea...

10 WATER SUPPLIES This water heater must be installed in accordance with this advice to be covered by the Vulcan warranty. This water heater is manufactured to suit the water conditions of most public reticulated water supplies. However, there are some known water chemistries which can have detrimen...

11 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 Vulcan Warranty” on page 31). COLD WATER FROM THE HOT TAP Close the hot tap, wait 1...

SAVE A SERVICE CALL 12 GAS BOOSTER OPERATING TOO FREQUENTLY You may find that the in-series gas booster operates more frequently than expected. This will occur when the solar heated water temperature is lower than 58°C, which may be experienced during periods of low solar energy gain or if there has...

SAVE A SERVICE CALL 13 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 ...

14 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 15 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 16 RECESS INSTALLATION The water heater can be installed recessed into a wall. A recess box (PN 299831) 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 17 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 the water heater and the hot water outlets in any ablution and public areas such as a ...

INSTALLATION – WATER HEATER 18 LEGEND In-series Gas Booster as part of an Open Circuit Direct Solar Water Heater Installation Two Temperature Zones Using a Temperature Limiting Device LEGEND In-series Gas Booster as part of a Closed Circuit Indirect Solar Water Heater Installation Two Temperature Zo...

INSTALLATION – WATER HEATER 19 CIRCULATED HOT WATER FLOW AND RETURN SYSTEM A Vulcan 244 627 in-series gas booster can be installed as part of a circulated hot water flow and return system in a building. The preset outlet temperature setting of the water heater must be set to at least 60°C, or at lea...

INSTALLATION – WATER HEATER 21 TYPICAL INSTALLATION – OUTDOOR LOCATION

22 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 23 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...

24 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 as pa...

25 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). Open the cold water isolation valve ...

COMMISSIONING 26 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 27 BURNER GAS PRESSURE It is necessary to check the burner gas pressure at both the minimum and maximum operat ional 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 wate...

COMMISSIONING 28 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 28)  recommence the procedure from Step 8. If the adjuster button i...

COMMISSIONING 29 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: 244 series 38°C, 40°C, 42°C, 43°C, 45°C, 50°C, 55°C, 60°C, 70°C, 75°C It is necessary to have the electrical supply to ...

COMMISSIONING 30 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 site or where the premises is vacant, then: Switch off the electrical supply at the power outlet to the water heater (refer to note below). Close the...

31 VULCAN CONTINUOUS FLOW GAS WATER HEATER WARRANTY - AUSTRALIA ONLY CONTINUOUS FLOW GAS WATER HEATER 244 627 MODELS 1. THE VULCAN 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 Vulcan conti...

VULCAN CONTINUOUS FLOW GAS WATER HEATER WARRANTY - AUSTRALIA ONLY Revision Date: 2013 November 122465B 32 CONTINUOUS FLOW GAS WATER HEATER 244 627 MODELS 3. WHAT IS COVERED BY THE VULCAN WARRANTY FOR THE WATER HEATERS DETAILED IN THIS DOCUMENT 3.1 Rheem will repair or replace a faulty component of y...