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INSTALLATION AND OPERATING

INSTRUCTIONS

CATALOG NO. 1000.501B 

Effective: 09-08-06

Replaces: 01-01-05 

P/N 240757 Rev. 1

WARNING:

If these instructions are not followed exactly, a fire or explosion may result causing property dam-

age, personal injury or death. 

FOR YOUR SAFETY:

Do not store or use gasoline or other flammable vapors and liquids or other com-

bustable materials in the vicinity of this or any other appliance. To do so may result in an explosion or fire.

WHAT TO DO IF YOU SMELL GAS:

•   Do not try to light any appliance.
•   Do not touch any electrical switch; do not use any phone in your building.
•   Immediately call your gas supplier from a neighbor's phone. Follow the gas supplier's instructions.
•   If you cannot reach your gas supplier, call the fire department.

Installation and service must be performed by a qualified installer, service agency or the
gas supplier.

This manual should be maintained in legible condition and kept adjacent to the heater or in another safe place for
future reference.

Models

302A-902A Types H, WH & P

L

W

Содержание Hi Delta 302A-902A

Страница 1: ...e To do so may result in an explosion or fire WHAT TO DO IF YOU SMELL GAS Do not try to light any appliance Do not touch any electrical switch do not use any phone in your building Immediately call yo...

Страница 2: ...2...

Страница 3: ...trical Power Connections 22 Field Wiring Connection 23 Venting 25 Changing the Flue Outlet 27 Venting Installation Tips 28 Venting Configurations 28 Controls 33 Outdoor Installation 33 Heater Sequence...

Страница 4: ...f the control system and any gas control which has been under water WARNING To minimize the possibility of improper operation serious personal injury fire or damage to the heater Always keep the area...

Страница 5: ...laced in kind only per Raypak s standard war ranties Model Identification The model identification number and heater serial number are found on the heater rating plate located on the lower right outsi...

Страница 6: ...6 Component Locations Fig 1 Component Locations Back Fig 2 Component Locations Left Side Panels removed for clarity Fig 3 Component Locations Front...

Страница 7: ...e Stages Fire at Stage Model No 1 2 3 1 2 1 2 302A 6 1 100 402A 8 1 100 502A 5 5 1 1 2 50 100 652A 7 6 1 1 2 54 100 752A 8 7 1 1 2 53 100 902A 6 6 6 1 1A 1 1A 2 66 100 Table A Basic Data Table B Manif...

Страница 8: ...stream and read the thermometer NOTE When this water heater is supplying general purpose hot water for use by individuals a thermo statically controlled mixing valve for reducing point of use water t...

Страница 9: ...d turn the wheel to the desired setting See Fig 4 CAUTION Hotter water increases the risk of scald ing There is a hot water scald potential if the thermo stat is set too high Fig 4 Temperature Control...

Страница 10: ...d location without movement or removal of the heater Service clearances less than the minimums may require removal of the heater to service either the heat exchanger or the burner tray In either case...

Страница 11: ...e 4 ft 1 2m below or to side of opening 1 ft 30 cm above opening 3 ft 91 cm K Clearance to mechanical air supply inlet 3 ft 91 cm above if within 10 ft 3m horizontally 6 ft 1 83m L Clearance above pav...

Страница 12: ...oint communicat ing with the outdoors The total cross sectional area shall be at least 1 in 2 of free area per 20 000 BTUH 111 mm2 per kW of total input rating of all equipment in the room when the op...

Страница 13: ...100 in 2 645 cm2 One opening shall commence within 12 in 305 mm of the top and one opening shall commence within 12 in 305 mm of the bottom of the enclosure The mini mum dimension of air openings sha...

Страница 14: ...stion air must be drawn from the air outside of the building the mechanical equip ment room must communicate directly with the out doors of not less than 1 in 2 for each 30 000 BTUH mm2 per kW of tota...

Страница 15: ...nections to the heater and the rest of the system prior to operation This is particularly true for hydronic systems using expensive glycol based anti freeze Raypak recommends conducting the hydrostati...

Страница 16: ...ree way proportional valve or a modulating two way valve to control the bypass should be utilized Cold Water Run Cold water run differs from cold water start in that the system water entering the heat...

Страница 17: ...l valves or other automatic means to prevent gravity circulation of the heater water during the cooling cycle It is highly recommend ed that the piping be insulated Air Separation Expansion Tank All h...

Страница 18: ...1 40 2 1 2 4 5 16 52 3 5 2 7 4 9 90 10 4 2 20 9 652A 28 40 2 2 2 4 6 20 55 4 1 2 8 4 12 90 10 8 2 21 3 752A 30 42 2 6 2 5 2 20 63 5 7 2 11 1 14 90 11 3 2 21 8 902A 30 51 3 9 2 7 6 20 76 8 4 2 16 1 17...

Страница 19: ...emperature is 105 F NOTE Opening the valve will increase the temperature and closing the valve will decrease the temperature 5 If this process does not raise the inlet water tem Fig 14 Single Pool Hea...

Страница 20: ...severe dam age to your heater and associated equipment Total Dissolved Solids Total dissolved solids TDS is the measure of all min erals and solids that are dissolved in the water The concentration o...

Страница 21: ...ected from physical damage and freezing where required Reversing Gas Supply Connection Reversing the standard fuel connection from the left hand to the right hand side is a simple field operation 1 Di...

Страница 22: ...ssure Fig 17 Gas Valve Electrical Power Connections Installations must follow these codes National Electrical Code and any other national state provincial or local codes or regulations hav ing jurisdi...

Страница 23: ...orking with any electrical connections or components 3 Observe proper wire colors while making electri cal connections Many electronic controls are po larity sensitive Components damaged by improp er...

Страница 24: ...24 DANGER SHOCK HAZARD Make sure electrical power to the heater is discon nected to avoid potential serious injury or damage to components Fig 21 Wiring Connections...

Страница 25: ...d CSA C22 1 C E C Part 1 in Canada 2 STAGE TANKSTAT STAGE 1 CONNECTION STAGE 2 CONNECTION OR STAGE 1 CONNECTION OF HEATER 2 ATTACH STAGE 1 CONNECTIONS ON HEATER TO STAGE 1 CONNECTION ON TANKSTAT ATTAC...

Страница 26: ...struct a window view if the ter mination is installed near windows 4 Prevailing winds in combination with below freez ing temperatures can cause freezing of conden sate and water ice build up on build...

Страница 27: ...ct vent installations require a 4 ft clearance between the ends of vent caps located on the same horizontal plane Canadian Installations Refer to latest edition of B149 1 A vent shall not terminate 1...

Страница 28: ...est agency CAUTION The silicone vent gaskets must be prop erly reinstalled to prevent flue gas leakage Replace any torn or worn vent gaskets WARNING Examine the venting system at least once a year Che...

Страница 29: ...peration 1 Seal any unused opening in the common venting system 2 Visually inspect the venting system for proper size and horizontal pitch and verify there is no block age restriction leakage corrosio...

Страница 30: ...not exceed 70 equivalent ft in length If horizontal run exceeds 70 equivalent ft an appropri ately sized extractor must be used Each elbow used is equal to 10 ft of straight pipe This will allow insta...

Страница 31: ...all The total length of the through the wall flue cannot exceed 40 equivalent ft in length for the flue outlet Each elbow used is equal to 10 ft of straight pipe This will allow installation in one of...

Страница 32: ...as vent pipes listed for use with Category III gas burning heaters such as the AL29 4C stainless steel vents offered by Heat Fab Inc 800 772 0739 Protech System Inc 800 766 3473 or Z Flex 800 654 5600...

Страница 33: ...not locate adjacent to any window door walk way or gravity air intake The vent must be lo cated a minimum of 4 ft horizontally from such ar eas 4 Install above grade level and above normal snow level...

Страница 34: ...eater The safety compo nents wired into the diagnostic board are low water cut off optional blocked vent switch man ual vent temp switch optional manual reset high limit low gas pressure switch option...

Страница 35: ...ht is energized located on the diag nostics panel 26 A 24 VAC signal is also sent to the TH terminal located on the ignition module 27 Once the 24 VAC TH signal is received at the ignition module a 12...

Страница 36: ...37 Once the ignition module determines that the hot surface igniter amp draw is within specs and oper ating properly a 24 VAC signal is output from pin GV on the module 38 24 VAC signal is received to...

Страница 37: ...the Fig 30 High Limit Manual Reset Fig 31 Flow Switch Fig 32 Operating Control Low Water Cut Off Optional The low water cut off automatically shuts down the burner whenever water level drops below the...

Страница 38: ...38 Fig 34 High Low Gas Pressure Switch Fig 35 Fan Proving Switch Fig 36 Blocked Vent Switch...

Страница 39: ...equirements for the 87 efficiency Hi Delta CAUTION Proper installation of flue venting is criti cal for the safe and efficient operation of the boiler NOTE For additional information on appliance cat...

Страница 40: ...of regulators relief valves or other equipment 8 Locate and guard vent termination to prevent acci dental contact by people or pets 9 DO NOT terminate vent in window well stairwell alcove courtyard or...

Страница 41: ...alvanized Steel PVC ABS CPVC 30 80 pressure reading must be between 0 01 and 0 1 in WC as measured 12 in from the appliance flue outlet Each elbow used is equal to 10 ft of straight pipe This will all...

Страница 42: ...onsidered in the overall length of the venting system Care must be taken during assembly that all joints are sealed properly and are airtight The vent must be installed to prevent the potential ac cum...

Страница 43: ...BS CPVC 40 100 Note When vertical height exceeds 25 ft consult factory prior to installation Fig 40 Direct Vent Vertical Table S Category II or IV Vertical Venting Vent lengths are based on a lateral...

Страница 44: ...44 Wiring Diagram...

Страница 45: ...uilding Immediately call your gas supplier from a neigh bor s telephone Follow the gas supplier s instruc tions WARNING If you do not follow these instructions exactly a fire or explosion may result c...

Страница 46: ...ilure Failure to do this may burn out 120V 24V trans former or may cause other safety control damage or failure Start Up Blower Adjustment 1 Turn off power 2 Unplug cap at pressure switches and connec...

Страница 47: ...sed pilot to light the burner sections on either side of it The burn er sections on either side of the supervised section pilot are electrically interlocked with the supervised ignition system so as t...

Страница 48: ...restore electrical power to heater Fig 41 Leak Test This completes leak testing for a single Hi Delta mani fold riser Repeat steps 1 8 for each riser Post Start Up Check Check off steps as completed 1...

Страница 49: ...rn on main manual gas valve 7 Wait 5 minutes to clear out any gas Then smell for gas especially near the floor If you then smell gas STOP Follow the steps in the safety informa tion on the front cover...

Страница 50: ...1 800 927 2975 Outside California 1 800 627 2975 Inside California Replace gas valve Are the gas valve settings correct Replace fan relay Replace fan Replace air pressure switch Correct the air settin...

Страница 51: ...e vapors and liq uids 4 Check for and remove any obstruction to the flow of combustion or ventilation air to heater 5 Follow pre start up check in the Start up section 6 Visually inspect burner flame...

Страница 52: ...4 Check piping and wiring of all interlocks and shut off valves 5 Inspect burners Annually 1 Test flame failure detection system and pilot turn down See Pilot Turn Down Test Procedure page 47 2 Test...

Страница 53: ...ontaminated ar eas this may also experience deterioration Products causing contaminated combustion air spray cans containing chloro fluorocarbons permanent wave solutions chlorinated waxes cleaners ch...

Страница 54: ...water PARTS REPLACEMENT Under this Warranty Raypak will furnish a replacement for any failed part The failed part must first be returned to Raypak if requested with transportation charges prepaid and...

Страница 55: ...Dissolved Solids TDS must be no greater than 2500 PPM PARTS REPLACEMENT Under this Warranty Raypak will furnish a replacement for any failed part The failed part must first be returned to Raypak if r...

Страница 56: ...raypak com Raypak Inc 2151 Eastman Avenue Oxnard CA 93030 805 278 5300 Fax 805 278 5468 Raypak Canada Limited 2805 Slough St Mississauga Ontario Canada L4T 1G2 905 677 7999 Fax 905 677 8036 Litho in U...

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