Raypak Hi Delta 302A-902A Installation And Operating Instructions Manual Download Page 6 | Manualshive

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Component Locations

Fig. 1: Component Locations – Back

Fig. 2: Component Locations – Left Side

Panels removed for clarity

Fig. 3: Component Locations – Front

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Summary of Contents for Hi Delta 302A-902A

Page 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...

Page 2: ...2...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 44: ...44 Wiring Diagram...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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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