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TEMPERATURE CONTROL

147 Hi/Low Models (CTX Thermostat)

Set Point Adjustment:

•

Press the ‘set’ button,

SE.1 will be displayed for twelve (12) seconds.

•

Press the ‘set’ button again,

The current set point value will be displayed.

•

Press the down button (

▼

/PRG) to decrease the set point or the up button (

▲

ALM) to increase the set point.

•

Once the required set point is selected, press the ‘set’ button to save the setting,

SE.1 will be re-displayed for twelve (12) seconds.

•

Press the up button (

▲

ALM),

SE.2 will be displayed.

•

Press the ‘set’ button,

The current set point for Low Fire will be displayed.

•

Press the down button (

▼

/PRG) to decrease the set point or the up button (

▲

ALM) to increase the set point.

•

Once the required set point is selected, press the ‘set’ button to save the setting,

SE.2 will be re-displayed

•

Wait 12 seconds,

The current temperature in the water heater will now be displayed and programming complete.

The recommended set points for SE.1 and SE.2 are 82°C and 75°C respectively for a heating system. However, it
may be necessary to increase SE.2 if there is an unacceptable variation in room temperature.

Differential Adjustment:

•

Press and hold the down button (

▼

/PRG) for at least 5 seconds,

“‘E0” will be displayed.

•

Press the up button (

▲

/ALM) until “E5.1” (differential setting for SE1).is displayed

•

Press the ‘set’ button,

The current differential value will be displayed.

•

Press the down button (

▼

/PRG) to decrease the differential or the up button (

▲

/ALM) to increase the

differential. NOTE: The differential is adjustable from 1°C to 6°C.

•

Once the required differential is selected, press the ‘set’ button to save the setting,

“E5.1” will be re-displayed.

•

Wait 12 seconds,

The current temperature in the water heater will now be displayed and programming complete.

NOTES

•

To adjust the differential setting for SE2 repeat the ‘Differential Adjustment’ steps above however when

selecting the ‘E’ parameter press the up button (

▲

/ALM) until “E5.2” is displayed.

•

NOT

adjust any other parameter settings; this may cause the thermostat to malfunction.

Содержание B0109

Страница 1: ...llation Instructions Raypak Water Heaters Models Types B0109 NCO NCH PCO PCH B0147 This water heater must be installed and serviced by an authorised person Please leave this guide with the householder or responsible officer ...

Страница 2: ... to install this water heater and ask for your Compliance Certificate Warning Upon completion of the installation and commissioning of the water heater leave this guide with the householder or a responsible officer DO NOT leave this guide inside of the cover of the water heater as it may interfere with the safe operation of the water heater or ignite when the water heater is turned on PATENTS This...

Страница 3: ...S 3 ABOUT YOUR WATER HEATER 4 HOW YOUR WATER HEATER WORKS 7 SAVE A SERVICE CALL 9 REGULAR CARE 11 INSTALLATION 12 CONNECTIONS PLUMBING 19 CONNECTIONS ELECTRICAL 22 LOCATION OF CONTROLS 29 SAFETY PRECAUTIONS 30 COMMISSIONING 31 OPERATING THE WATER HEATER 32 BURNER PRESSURE ADJUSTMENT 33 TEMPERATURE CONTROL 35 SERVICE PROCEDURES 38 WATER SUPPLIES 39 WARRANTY 41 ...

Страница 4: ...gulations that an approved temperature limiting device be fitted into the hot water piping to the bathroom and ensuite when this water heater is installed This will keep the water temperature below 50 C at the bathroom and ensuite The risk of scald injury will be reduced and still allow hotter water to the kitchen and laundry TEMPERATURE ADJUSTMENT The thermostat temperature will have been set by ...

Страница 5: ...pane model A Propane model is designed to operate on Propane only The use of Propane Butane mixture such as automotive LPG fuel in a Propane model is unsafe and can cause damage to the water heater DO NOT operate with panels covers or guards removed from the water heater DO NOT enclose this water heater applies to external installations only If the power supply cord or electrical conduit to the wa...

Страница 6: ...DOES THE WATER QUALITY AFFECT THE WATER HEATER The water heater is suitable for most public water supplies however some water qualities may have detrimental effects on the finned copper tube heat exchanger and fittings If you are in a known harsh water area you must read page 39 If you are not sure have your water quality checked against the conditions described on page 39 HOW LONG WILL THE WATER ...

Страница 7: ...iting valve must be fitted In mechanical and process heating applications the system pressure must not exceed the value shown in the table on page 15 109 MODELS On Off Operation 109 On Off models are fitted with a mechanical thermostat adjustable from 0 C to 95 C that operates the gas control by switching its power on and off so a constant temperature is maintained The thermostat and the protectiv...

Страница 8: ... water heater off when it is not in use The thermostat is fully automatic and only allows the gas control to open when the burner requires gas for heating To adjust the thermostat settings refer to Temperature Control on page 35 The thermostat may flash AL3 and 130 or AL3 and 45 This indicates a failure of the water temperature sensor Refer to Diagnostic Features of Electronic Thermostat on page 9...

Страница 9: ... the risk of scald injury Water heater size Do you have the correct size water heater for your requirements The sizing guide in the Raypak sales literature and on the Rheem website www rheem com au suggests average sizes that may be needed WATER HEATER NOT OPERATING The ignition system may have locked out To reset the water heater switch the electrical supply off at the isolating switch wait five ...

Страница 10: ...y 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 WARNING Never replace the relief valve with one of a pressure rating greater than 850 kPa EXPANSION CONTROL VALVE RUNNING If an expansion control valve is fitted in the cold water line to the water heater refer to page 19 it may discharge ...

Страница 11: ...als not exceeding 5 years or more frequently in areas where there is a high incidence of water deposits refer to Water Supplies on page 39 EXPANSION CONTROL VALVE In many areas including South Australia Western Australia and scaling water areas an expansion control valve is fitted to the cold water line to the water heating system The expansion control valve may discharge a small quantity of water...

Страница 12: ...nd regulatory authority requirements In New Zealand the installation must conform with NZS 5261 Code of Practice for Installation of Gas Burning Appliances and the New Zealand Building Code The water heater must not be installed in an area with a corrosive atmosphere where chemicals are stored or where aerosol propellants are released Remember the air may be safe to breathe but when it goes throug...

Страница 13: ... table opposite Where the ventilation is by an alternate method refer to AS 5601 for ventilation calculations NOTE The minimum dimension of any opening shall be 6mm WARNING Air supply to the area where the water heater is installed must not be affected by mechanical exhaust vents such as kitchen or bathroom fans spa blowers etc Mechanical exhaust vents may create a negative pressure in the area wh...

Страница 14: ...st 500 mm between the top of the flue terminal and the eaves At least 1 500 mm horizontally between the flue terminal and the edge of any opening into the building measured horizontally At least 500 mm between the flue terminal and a return wall or external corner measured horizontally along the wall At least 1 500 mm below any openable window At least 500 mm between the flue terminal and a fence ...

Страница 15: ...equired Pressure Specifications Operation Type On Off Hi Lo Relief Valve Setting Water Heating kPa 850 700 850 700 Mechanical Heating kPa 310 Expansion Control Valve ECV Setting Water Heating kPa 700 550 700 550 Mechanical Heating kPa Minimum Supply Pressure System water temperatures up to 65 C kPa 70 70 System water temperatures above 65 C kPa 120 120 Maximum Supply Pressure with ECV fitted Water...

Страница 16: ...valve or from another cold water line in the premises then a pressure limiting valve of an equal pressure setting may be required prior to the temperature limiting device REDUCING HEAT LOSSES WATER HEATING APPLICATIONS The cold water line to and the hot water line from the storage cylinder must be insulated in accordance with the requirements of AS NZS 3500 4 The insulation must be weatherproof an...

Страница 17: ...DIMENSIONS AND TECHNICAL DATA 109 147 Natural Gas Input MJ h 99 144 Output kW 22 32 Propane Gas Input MJ h 99 144 Output kW 22 32 Electrical Rating 240V 50 Hz Power W 50 50 Current A 0 21 0 21 Weight empty Kg 42 58 Flue Connection mm 125 150 ...

Страница 18: ...INSTALLATION 18 109 Models 147 Models ...

Страница 19: ...er heater to allow for disconnection of the water heater Do not reduce the pipe work size and water heater water connections without allowing for friction loss which will occur Low water flow will cause damage to the water heater and system components GAS INLET The gas connection is made at the right hand end of the water heater for 109 Models and at the inlet of the gas control for 147 models The...

Страница 20: ...f Models 850 kPa 125 psi Hi Lo Models 310 kPa 45 psi When the water heater is connected to a storage cylinder for water heating applications a correctly sized and pressure rated TPR valve MUST be fitted to the storage cylinder NOTE Where a Hi Lo water heater is used in a water heating application it will be necessary to replace the 310 kPa relief valve provided with the water heater with one rated...

Страница 21: ...election on page 20 On radiator or heating systems where thermostatic valves will vary the water flow a suitable by pass valve must be installed to maintain the correct flow rate Typical Mechanical Heating Installation WATER HEATING Where the water heater is supplied as part of a package including the storage cylinder and pump the installation must comply with the drawing provided Failure to obser...

Страница 22: ... THERMOSTAT SETTING The thermostat is adjustable the range varies according to the capacity and operation type refer to the table opposite For reasons of safety and economy we recommend that the thermostat is set at the lowest temperature that will provide sufficient hot water Discuss the thermostat setting requirements with the householder or responsible officer Refer to Temperature Control on pa...

Страница 23: ...s refer to the diagram opposite and to the wiring diagrams on pages 24 to 27 BUILDING MANAGEMENT SYSTEM BMS For applications requiring connection to a building management system an optional BMS kit suitable for 147 On Off models ONLY must be fitted to the water heater to provide run and fail status 109 and 147 Hi Lo models cannot be connected to a building management system CONTROL PANEL ACCESS To...

Страница 24: ...CONNECTIONS ELECTRICAL 24 WIRING DIAGRAM 109 ON OFF MODELS ...

Страница 25: ...CONNECTIONS ELECTRICAL 25 WIRING DIAGRAM 109 HI LO MODELS ...

Страница 26: ...CONNECTIONS ELECTRICAL 26 WIRING DIAGRAM 147 ON OFF MODELS ...

Страница 27: ...CONNECTIONS ELECTRICAL 27 WIRING DIAGRAM 147 HI LO MODELS ...

Страница 28: ...OPTION MECHANICAL HEATING SYSTEMS NOTE When connecting additional controls the relays and timers etc must be located in an additional enclosure NOT fitted within the water heater For outdoor installations the enclosure MUST be weatherproof ...

Страница 29: ...32Y01 2 stage electronic thermostat with its sensor located in the outlet side of the water heater header Hi Lo type controls are typically used where the system load is variable e g hot water supplying radiator coils for room heating GAS CONTROL 2 On Off Models 109 On Off type water heaters are fitted with a White Rodgers 36G22 Type 210 single stage gas valve 147 On Off type water heaters are fit...

Страница 30: ...e loose fitting long sleeved clothing or disposable overalls Wear gloves and eye protection Consult Occupational Health and Safety Authorities for any further information AFTER HANDLING Rinse any exposed skin areas with clean water Wash work clothing separately REMOVAL OF USED PRODUCT Follow the precautions as detailed in the section WHEN HANDLING above over exposure to dust formed after service m...

Страница 31: ...nsure that the main gas isolation valve is closed OPERATIONAL CHECKS Turn on the water heater and circulation pump and verify the flow switch operation if fitted refer to To Turn on the Water Heater on page 32 Test the operation of the water heater with no gas flow to confirm its operation up to lockout stage then turn off the power Open the gas isolation valve and switch on power to the water hea...

Страница 32: ...y at the inlet to the water heater Plug in the power supply cord at the power outlet Switch on the electrical supply at the power outlet to the water heater NOTE If the water heater is correctly installed this will also activate the circulating pump The water heater will operate automatically when a call for heat occurs TO TURN OFF THE WATER HEATER If it is necessary to turn off the water heater o...

Страница 33: ...ing adjust the pressure regulator clockwise to increase or anti clockwise to decrease to achieve the burner pressure as specified on the rating label refer to Location of Controls on page 29 Turn off the water heater Replace the cap on the pressure regulator adjuster Disconnect the manometer and replace the pressure tap screw and washer Check for gas leaks using soapy water 147 On Off Models To ad...

Страница 34: ...eft hand side panel Disconnect the manometer and replace the pressure tap screw and washer Check for gas leaks using soapy water 147 Hi Lo Models Remove the screw and washer from the outlet pressure tap Attach a manometer to the outlet pressure tap Remove the cap from the high fire pressure regulator adjuster With the main burner operating on high fire adjust the pressure regulator clockwise to in...

Страница 35: ...oint Once the required set point is selected press and hold the down button and the up button simultaneously The display will revert to the current temperature in the water heater Differential Adjustment Press and hold the down button and the up button simultaneously for ten 10 seconds C0 will be displayed Release the buttons Press the down button until C1 differential is displayed Press and hold ...

Страница 36: ...ommended set points for SE 1 and SE 2 are 82 C and 75 C respectively for a heating system However it may be necessary to increase SE 2 if there is an unacceptable variation in room temperature Differential Adjustment Press and hold the down button PRG for at least 5 seconds E0 will be displayed Press the up button ALM until E5 1 differential setting for SE1 is displayed Press the set button The cu...

Страница 37: ...d by removing the front cover loosen one Phillips head screw and turning the adjuster The high limit is reset by pressing the red button on the front of the thermostat It may be necessary to allow the system water temperature to cool sufficiently before the high limit can be reset In general the high limit should be set approximately 15 C above the operating temperature however the following maxim...

Страница 38: ...pilot flame Yellow flames indicate some restriction of the combustion air openings or incorrect burner gas pressure setting A bright orange luminous flame is not normal and can cause sooting under prolonged operation 12 Refit burner access door and header access panels 13 Clean and remove any dust and debris from the water heater and its immediate area Annual Service Procedure 1 Conduct the Six Mo...

Страница 39: ...er line after the non return valve in a corrosive water area where there are sufficient quantities of silica dissolved in the water In a scaling water supply calcium carbonate is deposited out of the water onto any hot metallic surface Where the saturation index exceeds 0 40 the water is very scaling An expansion control valve must be fitted on the cold water line after the non return valve to pro...

Страница 40: ...WATER SUPPLIES 40 Water Quality Charts Saturation index Total Dissolved Solids TDS pH Chlorides ...

Страница 41: ...OME VOID AND MAY INCUR A SERVICE CHARGE AND OR COST OF PARTS a Accidental damage to the water heater or any component including Acts of God failure due to misuse incorrect installation attempts to repair the water heater other than by a Rheem Accredited Service Agent or the Rheem Service Department b Where it is found there is nothing wrong with the water heater where the complaint is related to e...

Страница 42: ...ranty Warranty Conditions and Warranty Exclusions means the Rheem supplied water heater s kit s and components In addition to this warranty the Trade Practices Act 1974 and similar laws in each state and territory provide the owner under certain circumstances with certain minimum statutory rights in relation to your Raypak water heater This warranty must be read subject to that legislation and not...

Страница 43: ...43 Proudly Manufactured by Raypak Australia Head Office Sales Tel 03 9757 3333 Fax 03 9757 3350 Sales Enquiries 1300 729 725 www raypak com au 96109147B ...

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