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MULTIPLE INSTALLATIONS 

34 

LEGEND

 

 

TYPICAL INSTALLATION – RHEEM HEAVY DUTY GAS WATER HEATERS 

Содержание 621265

Страница 1: ...ater must be installed and serviced by an authorised person Please leave this guide with a responsible officer Owners Guide and Installation Instructions Gas Heavy Duty Water Heater 265 Litre and 275...

Страница 2: ...a Compliance Certificate showing that the work complies with all the relevant standards Only a licensed person will have insurance protecting their workmanship for 6 years Make sure you use a licensed...

Страница 3: ...but may be of interest How Your Water Heater Works 8 Regular Care 9 Save A Service Call 11 Installation 15 Connections Plumbing 25 Connections Electrical 28 Multiple Installations 32 Commissioning 37...

Страница 4: ...scalding Check the water temperature before use such as when entering a shower or filling a bath or basin to ensure it is suitable for the application and will not cause scald injury We recommend and...

Страница 5: ...s and stain removers near the water heater whilst it is working Do not store swimming pool chemicals household cleaners etc near the water heater Do not place anything on top of the water heater or in...

Страница 6: ...lose the isolation valves on the cold and hot water branches to shut down an individual water heater in a bank TO TURN ON THE WATER HEATER Open the isolation valves fully on the cold and hot water bra...

Страница 7: ...include the water quality the water pressure the water temperature inlet and outlet and the water usage pattern However your Rheem water heater is supported by a comprehensive warranty refer to page 4...

Страница 8: ...ermostat automatically operates the gas control by switching its power on and off so a constant temperature is maintained The thermostat is mounted externally on the water heater and the protective ov...

Страница 9: ...the drain line when the lever is lifted then the water heater should be checked by Rheem Service Department or their Accredited Service Agent The temperature pressure relief valve should be checked f...

Страница 10: ...s water heater Warning Servicing of a gas water heater should only be carried out by authorised personnel In commercial applications where large volumes of hot water are used sediment may build up on...

Страница 11: ...Electronic Thermostat on page 12 Are you using more hot water than you think Are outlets especially the showers using more hot water than you think Very often it is not realised the amount of hot wate...

Страница 12: ...n AL fault an attempt should be made to reset the electronic control if the burner is not already alight refer to Water Heater Not Operating on page 12 All other fault conditions should be attended to...

Страница 13: ...may indicate the mains water pressure sometimes rises above the designed pressure of the water heater Ask your installing plumber to fit a pressure limiting valve NEVER replace the relief valve with o...

Страница 14: ...Pressure Relief Valve Running on page 13 Are outlets especially the showers using more hot water than you think Refer to Not Enough Hot Water on page 11 Is there a leaking hot water pipe dripping hot...

Страница 15: ...of a ladder or scaffold Make sure the temperature pressure relief valve lever is accessible and the front covers or panels thermostats and burner can be removed for service You must be able to read th...

Страница 16: ...cupboards timber or any other combustibles and at least 500 mm clear of curtains and furnishings The water heater is to be installed at ground or floor level and must stand vertically upright There a...

Страница 17: ...cause problems in high wind areas A secondary flue is not required For outdoor models the following distances should be observed At least 500mm between the top of the water heater and the eaves At lea...

Страница 18: ...e be fitted between the water heater and the hot water outlets in any ablution and public areas such as bathrooms ensuites or public amenities to reduce the risk of scalding The installing plumber may...

Страница 19: ...ater system The tempered water from a temperature limiting device cannot be circulated Where a circulated hot water flow and return system is required in a building a temperature limiting device can o...

Страница 20: ...accordance with the requirements of AS NZS 3500 4 The insulation must be weatherproof and UV resistant if exposed Keep temperature settings down Lower temperatures reduce heat losses and prolong cyli...

Страница 21: ...to the water heater jacket we recommend the use of self drilling screws with a maximum length of 12 mm Should pre drilling be required extreme caution must be observed when penetrating the jacket of...

Страница 22: ...INSTALLATION 22 TYPICAL INSTALLATION OUTDOOR LOCATION 631 275 model shown...

Страница 23: ...INSTALLATION 23 TYPICAL INSTALLATION INDOOR LOCATION 621 275 model shown...

Страница 24: ...320 M 125 200 P 420 320 Weight empty kg 129 136 180 190 Gas Details Hourly Gas Consumption MJ Min Gas Pressure kPa Test Point Gas Pressure kPa 265 275 265 275 265 275 Natural SNG typical 110 100 200...

Страница 25: ...er All olive compression fittings must use brass or copper olives Use thread sealing tape or approved thread sealant on all fittings An isolation valve and non return valve must be installed on the co...

Страница 26: ...essful the system enters the re ignition attempt lockout mode The LED on the control module has a series of flashes to indicate this mode refer to label on the access cover The electrical supply to th...

Страница 27: ...and 150 mm For multiple installations the drain line from each water heater can discharge into a common tundish refer to Multiple Installations on pages 32 and 33 Warning As the function of the tempe...

Страница 28: ...conduit is required for the electrical cable to the water heater The conduit is to be connected to the unit with a 20 mm terminator Ensure there are no excess wire loops inside the front cover The wa...

Страница 29: ...if the power flue is not working The principle of operation for multiple gas water heater control with a power flue is the same as for a single water heater Any water heater can switch on the fan and...

Страница 30: ...l 4 T1 to be set for 20 30 seconds 5 Meets requirements of Clause H 2 2 6 of AS5601 2004 providing lockout in the event of flue product flow failure 6 Where intermittent fan operation is utilised it i...

Страница 31: ...ol circuit must be from the same circuit 2 R1 monitors return signal 3 R2 monitors alarm signal 4 T1 to be set for 20 30 seconds 5 Use SPO with round earth terminal Water heater supply cord must be ch...

Страница 32: ...ts of both AS NZS 3500 4 and the application 5 A non return valve isolation valve and if required a pressure limiting valve and expansion control valve must be installed on the cold water line to the...

Страница 33: ...MULTIPLE INSTALLATIONS 33 Single Bank of Water Heaters Multiple Banks of Water Heaters TPR Valve Drain Line Common Discharge Point Back to Back Manifold Angle Manifold In Line Manifold...

Страница 34: ...MULTIPLE INSTALLATIONS 34 LEGEND TYPICAL INSTALLATION RHEEM HEAVY DUTY GAS WATER HEATERS...

Страница 35: ...mm 2 A minimum of 900 mm E F should be left in front of the water heater for access servicing and water heater removal Installation Layout Minimum Dimensions Model A B C D E F 621 265 860 610 300 100...

Страница 36: ...MULTIPLE INSTALLATIONS 36 MANIFOLD ARRANGEMENT Hot Manifold Assembly Cold Manifold Assembly...

Страница 37: ...ine to the water heater s Air will be forced out of the taps Close each tap as water flows freely from it Check the pipe work for leaks Open the gas isolation valve fully Check the gas pipe work for l...

Страница 38: ...gas supply pressure is available to the water heater when other gas burning appliances on the same gas supply are operating TO TURN OFF THE WATER HEATER If it is necessary to turn off the water heater...

Страница 39: ...o Diagnostic Features Of Hot Surface Ignition Control on page 40 A viewing window is provided to check burner operation on the water heater LIGHTING PROCEDURE The water heater incorporates an automati...

Страница 40: ...ach group of flashes Flashes Fault 1 Re ignition attempt lockout 2 631 275 models only Pressure switch not open 3 631 275 models only Pressure switch not closed 4 Faulty igniter igniter sensing circui...

Страница 41: ...d of operation Removal of the front cover on the 631 275 model whilst burner is operating will lead to re ignition lockout refer to Diagnostic Features of Hot Surface Ignition Control on page 40 BURNE...

Страница 42: ...alve release lever do not let the lever snap back or you will damage the valve seat Operating the lever will release the pressure in the water heater Attach a hose to the water heater drain cock Let t...

Страница 43: ...lating pump All valves and associated equipment must be suitable for safe operation up to the maximum thermal discharge temperature of the temperature pressure relief valve i e 99 C Where water is req...

Страница 44: ...wn button and the up button simultaneously for ten 10 seconds C0 offset program will be displayed Release the buttons 5 Press and hold the down button and the up button simultaneously again The curren...

Страница 45: ...45 This page is intentionally blank...

Страница 46: ...ter heater has not been used for two or more weeks the following procedure should be carried out before using any electrical appliances automatic washing machines and dishwashers which are connected t...

Страница 47: ...with the water heater where the complaint is related to excessive discharge from the temperature and or pressure relief valve due to high water pressure where there is no flow of hot water due to fau...

Страница 48: ...talled in any other than a single family domestic dwelling with a thermostat setting below 76 C Stellar Optima Heavy Duty Years 2 to 5 New water heater free of charge with installation and labour cost...

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