Raypak HI DELTA 122-322 User Manual

INSTALLATION & OPERATING INSTRUCTIONSCATALOG NO. 1000.53H Effective: 09-19-08 Replaces: 11-16-07 P/N 241112 Rev. 9WARNING: If these instructio

10Fig. 7: Minimum Clearances from Combustible Surfaces—Indoor InstallationsWhen installed according to the listed minimum clear-ances from combustible

11a motorized sealed damper to prevent the circula-tion of cold air through the heater during thenon-operating hours.Conventional Combustion AirSupply

12WARNING: Do not use one permanent openingmethod if the equipment room is under negativepressure conditions or the equipment is commonvented with ot

13Low Temperature SystemHeater requires minimum inlet temperature of 105°F.Consult the following sections for piping details.Temperature & Pressur

14Fig. 9: Single Boiler—Low Temperature Application (Heat Pump) Primary/Secondary PipingFig. 10: Dual Boiler—Primary/Secondary Piping

15Table G: Domestic Water Heater Flow Rate RequirementsΔT = Temperature rise, °F. ΔP = Pressure drop through heat exchanger, ft. SHL = System hea

16Fig. 11: Single Heater—Domestic Hot Water with One Storage Tank

17Gas SupplyGas piping must have a sediment trap ahead of theheater gas controls, and a manual shut-off valve locat-ed outside the heater jacket. A po

18Fig. 12: Sediment Trap OrientationSUPPLIED BY OTHERSEXTENTS OF UNIT ENCLOSUREGASFLOWTO BURNERSSEDIMENT TRAPMANUALSHUT OFFVALVESUPPLIED BY OTHERSEXTE

19Electrical Power ConnectionsInstallations must follow these codes:· National Electrical Code and any other national,state, provincial or local code

2Rev. 9 reflects the following: Changes to: The text in the BEFORE INSTALLATION section on page 5; the text in paragraphone of the GENERAL SAFETY sect

20Fig. 14: Single Stage and 2-Stage TankstatElectrical Connections—DomesticHot WaterInstaller action is required to electrically enable your HiDelta h

21SINGLE STAGETANKSTATSTAGE 1CONNECTIONATTACH STAGE 1 CONNECTIONSON HEATER TO THE SINGLE STAGETANKSTAT AS SHOWN IN THE DIAGRAM ABOVE.2-STAGETANKSTATST

22Table H: Venting Category RequirementsCombustion AirSupplyExhaustConfigurationVenting CategoryCertifiedAppliance MaterialCombustion AirInlet Materi

23U.S. Installations1Canadian Installations2AClearance above grade, veranda, porch, deck, or balcony1 ft (30 cm) 1 ft (30 cm)BClearance to window or d

24over an area where condensate or vapor couldcreate a nuisance or hazard or could be detrimen-tal to the operation of regulators, relief valves, orot

25Venting Installation TipsSupport piping:· horizontal runs- at least every five (5) feet.· vertical runs - use braces:· under or near elbowsFollow

26Natural Draft Vertical VentingSystem InstallationNatural draft venting uses the natural buoyancy of theheated flue products to create a thermal driv

27each appliance. Adjust thermostat so appliancewill operate continuously.e) Check the pressure at a pressure tap located 12in. above the bottom join

28Horizontal Thru-wall VentingSystem (Category III) InstallationThese installations utilize the heater-mounted blowerto vent the combustion products t

29Fig. 20: Direct Vent Horizontal Thru-Wall Venting (Category III)12"36" MIN.12" MIN.6"VENT CAPVENT PIPECOMBUSTION AIRFILTERBOILER

WARNINGS 4Pay Attention to These Terms 4BEFORE INSTALLATION 5Product Receipt 5Model Identification 5Ratings and Certifications 5Installations at Eleva

30Horizontal Thru-wall Direct VentSystem (Category III) InstallationThese installations utilize the heater mounted blowerto draw combustion air from o

3136"12" MIN.36" MIN.VENT CAPVENT PIPECOMBUSTION AIR FILTERBOILER UNITINTAKEVENTModelNo.ApplianceCategoryCertifiedVentingMaterialVent S

32Vertical Direct Vent SystemInstallationThese installations utilize the heater mounted blowerto draw combustion air from outdoors and uses thenatural

33CONTROLSIgnition Control ModuleThe interrupted proved ignition device conserves ener-gy. When additional heat is needed, the combustion airblower st

34Low Water Cut Off (Optional)The low water cut off automatically shuts down theburner whenever water level drops below the level ofthe sensing probe.

35WIRING DIAGRAM—MODELS 122–322

36PRE-START-UPFilling System-Heating HeatersFill system with water. Purge all air from the systemusing purge valve sequence. After system is purged of

37Attach Manometers to MeasurePressures• Attach 24" scale manometer to the first main gasshut-off valve pressure tapping.• Attach one 12"

38Follow-Up• Safety checks must be recorded as performed.• Turn unit on.After main burner ignition:• Check Manometer for proper reading.• Cycle un

398. Turn on all electric power to the appliance.9. Set thermostat to desired setting. The appliancewill operate. The igniter will glow after the pr

DANGER: Indicates the presence of immediate hazards which will cause severepersonal injury, death or substantial property damage if ignored.WARNING:In

40Monthly:1. Check for piping leaks around circulators, mixingvalves, relief valves, and other fittings. If found,repair at once. DO NOT use petroleu

41LIMITED PARTS WARRANTY COMMERCIAL BOILERSTYPE HI-DELTA SIZES 122 TO 322MODELS H AND WHSCOPE:Raypak, Inc. (“Raypak”) warrants to the original owner t

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www.raypak.com Raypak, Inc., 2151 Eastman Avenue, Oxnard, CA 93030 (805) 278-5300 Fax (805) 278-5468Litho in U.S.A.

BEFORE INSTALLATIONRaypak strongly recommends that this manual be re-viewed thoroughly before installing your Hi Deltaheater. Please review the Genera

Fig# 9399HI-LIMITSWATER OUTLETWATER INLETGAS CONNECTIONVIEW PORTPRESSURE RELIEF CONNECTIONFLUE EXHAUSTCOMBUSTION AIRINTAKEComponent LocationsFig. 1: C

General InformationTable A: Basic DataTable B: Manifold DataModelNo.Quantity of Vent Size (in.)Burners Gas Valves Blowers Flue Intake122 3 2* 1 4 5162

GENERAL SAFETYTo meet commercial hot water use needs, the highlimit safety control on this water heater will shut off themain gas valve before the out

INSTALLATIONINSTALLATIONInstallation CodesInstallations must follow these codes:· Local, state, provincial, and national codes, laws,regulations and