Raypak Hi Delta 992B-1262B User Manual Page 1

INSTALLATION & OPERATING INSTRUCTIONSCATALOG NO. 1000.511D Effective: 05-22-08 Replaces: 09-04-07 P/N 241259 Rev. 5WARNING: If these instructio

10U.S. Installations1Canadian Installations2AClearance above grade, veranda, porch, deck, or balcony1 ft (30 cm) 1 ft (30 cm)BClearance to window or d

11In addition, the heater shall be installed such that thegas ignition system components are protected fromwater (dripping, spraying, rain, etc.) duri

12Fig. 8: Minimum Clearances from CombustibleSurfaces – Outdoor InstallationsCombustion and Ventilation AirIndoor UnitsThe heater must be supplied wit

13three or four sheet metal screws (not supplied) equal-ly distributed around the circumference of the duct. Allducting should be self-supported. The

14b. Not less than the sum of the areas of all ventconnectors in the confined space.WARNING: Do not use one permanent openingmethod if the equipment

155. Remove all plumbing fittings to the header. Thiswill include both inlet and outlet water pipe unionsand the pressure relief valve and drain pipin

16Failure to exceed 105ºF (41ºC) within 7 minutes mayresult in the premature failure of the hot surface ignit-er, remote flame sensor, burners and hea

17Pressure Drop in Feet of HeadFeedwater RegulatorRaypak recommends that a feedwater regulator be in-stalled and set at 12 psi minimum pressure at the

18Potable Water and Space Heating1. All piping materials and components connected tothe water heater for the space heating applicationshall be suitabl

19circulate water through the heater from the main sys-tem piping.To complete the installation of the pool heater, the poolthermostat needs to be inst

2Rev. 5 reflects the following: Changes to: Fig. 11 and Fig. 12 on page 17, and Fig. 14 on page 19; the addition of: a warn-ing about RCF refractory o

20shut-off. Close isolation valves and remove water pip-ing from the in/out header on the heater. Drain theheater and any piping of all water that may

21Gas Supply ConnectionThe heater must be isolated from the gas supply pip-ing system by closing the manual shut-off valve duringany pressure testing

229. Install a coupling, nipple, union and sediment traponto the right-hand end of the main gas line andthen install the gas line, making sure that a

23CIRCUITBREAKERWHITEGROUNDBLACKGREENAB CFig. 18: Wiring ConnectionsCheck the power source:AC = 108 VAC Minimum, 132 VAC MAXAB = 108 VAC Minimum, 132

24DANGER: SHOCK HAZARDMake sure electrical power to the heater is discon-nected to avoid potential serious injury or damage tocomponents.Fig. 21: On-O

25ured to operate in an on-off firing mode. Thismeans that you will connect a single-pole controlto stage one of the CPW board. Then jumper theremaini

26CombustionAir SupplyExhaustConfigurationHeater VentingCategoryCertifiedMaterialsCombustion AirInlet MaterialVertical Natural Draft VentingI “B” Vent

278. Locate and guard vent termination to prevent acci-dental contact by people or pets.9. DO NOT terminate vent in window well, stairwell,alcove, cou

285. Remove the screws, retaining ring and rain gasketfrom top of heater.6. Remove the screws, flue collar and gasket fromthe run side of the tee loca

29TerminationThe vent terminal should be vertical and should termi-nate outside the building at least 2 ft above the highestpoint of the roof that is

WARNINGS 4BEFORE INSTALLATION 5Product Receipt 5Model Identification 5Ratings and Certifications 5Installations at Elevation 5Component Locations 6Gen

30speed. Do not operate summer exhaust fan. Closefireplace dampers.4. Place in operation the appliances being inspected.Follow the manufacturer’s inst

31Air InletMax. Length*ModelNo.CertifiedVentingMaterialVent SizeMaximum EquivalentVent Length*Combustion AirIntake Pipe Material10” 12”992B 10”1262B15

32For installations in extremely cold climate, it is re-quired that:1. The vent must be installed with a slight upwardslope of not more than 1/4 inch

33Flues supported only by flashing and extended abovethe roof more than 5 ft should be securely guyed orbraced to withstand snow and wind loads.The ai

34Fig. 31: Status LED Indicator DecalHeater Sequence of OperationModels 992B-1262B 1. The black (hot) wire lead goes directly to the mainpower switch.

35External LightsLight Color IndicationPower Blue Main power is onCall For Heat Yellow Thermostat is closedSafety RedOne or more safeties is inopera-t

36gized by a 120 VAC signal from S-1 on the ignitionmodule for approximately 30 seconds. (The hotsurface igniter must draw greater than 3.1 ampswhile

379. 24 VAC is applied to the blue power light locatedon the status display board.10. 24 VAC is also applied to the red LED safety shut-down light on

3836. After proper air pressure is received in the airplenum, the air pressure switches will close.37. If there is insufficient air pressure and the a

3960. If ignition module two locks out, a signal will besent to the Universal Diagnostics Board and to thestatus display board to indicate an ignition

4DANGER: Indicates the presence of immediate hazards which will cause severe person-al injury, death or substantial property damage if ignored.WARNING

4023. When a CFH occurs, a 24 VAC signal is sent to theCFH light on the status panel located on the lowerleft front of the control compartment.24. Pow

4149. When power is sent to gas valve 1 it is also sent totime delay relay 1 (TD-1) which starts a 5-secondcountdown.50. After the 5-second countdown

42Ignition ModuleWhen additional heat is needed, the combustion airblower starts to purge air from the combustion cham-ber for about 15 seconds. On pr

43Fig. 35: Operating ControlLow Water Cut-Off (Optional)The low water cut-off automatically shuts down theburner whenever water level drops below the

UDB Fault HistoryTo view the fault codes in the UDB history file:1. Press and hold the switch labeled “SW1” for 5 sec-onds to access the fault history

4587%-Efficiency Boilers – Special InstructionsWater PipingAn 87%-efficiency boiler requires a minimum inletwater temperature of 120ºF (49ºC) to preve

46WARNING: Contact the vent material manufacturerif there are any questions about the appliancecategory or suitability of a vent material for Category

47Horizontal Through-the-Wall Venting(Category IV)WARNING: Vent connectors serving appliancesvented by natural draft shall not be connected intoany po

48The stainless steel direct vent cap must be furnishedby the boiler manufacturer in accordance with its list-ing (sales order option D-15).Use only d

49Direct Vent - VerticalVertical Venting Height*Air InletMax. Length**ModelCertifiedVentingMaterialVent SizeMin. Max.Combustion AirIntake PipeMaterial

5BEFORE INSTALLATIONRaypak strongly recommends that this manual be re-viewed thoroughly before installing your Hi Deltaheater. Please review the Gener

50Wiring Diagram - Models 992B-1262B

51Wiring Diagram - Models 1532B-2342B

52START-UPPre Start-upFilling System (Heating Boilers) Fill system with water. Purge all air from the system.Lower system pressure. Open valves for no

53PreparationCheck Power SupplyWith multi-meter at incoming power, check voltagebetween:Hot - Common (≈120 VAC)Hot - Ground (≈120 VAC)Common - Ground

54Safety Inspection1. Check all thermostats and high limit settings.2. During the following safety checks leave manome-ters hooked up, check and recor

551. Manually close the downstream leak test valve.2. Open test point A and connect a manometer to it.Verify that there is gas pressure and that it is

5610. To restart system, follow lighting instructions in theOperation section.11. Check to see that the high limit control is setabove the design temp

57TROUBLESHOOTINGSte p 7 Ste p 6 Ste p 5 Step 1 Step 2 Step 3 Step 4 Is there a Call For Heat? Is Disable j um p er intact? ( J1 )Is ther

58MAINTENANCESuggested MinimumMaintenance ScheduleRegular service by a qualified service agency andmaintenance must be performed to ensure maximumoper

59WeeklyFor low-pressure heaters, test low-water cut-offdevice. (With at least one stage of the appliance on,depress the low water cut-off test button

6OPTIONAL FLUECONNECTIONComponent LocationsFig. 1: Component Locations – BackFig. 2: Component Locations – Left SidePanels removed for clarityFig. 3:

60APPENDIXInside Air ContaminationAll heaters experience some condensation duringstart-up. The condensate from flue gas is acidic.Combustion air can b

61LIMITED PARTS WARRANTY HI DELTA – TYPES H AND WH MODELS 992B–2342B SCOPERaypak, Inc. (“Raypak”) warrants to the original owner that all parts of thi

62LIMITED PARTS WARRANTY HI DELTA – TYPE P MODELS 992B–2342B SCOPERaypak, Inc. (“Raypak”) warrants to the original owner that all parts of this heater

63START-UP CHECKLIST FOR FAN-ASSISTED RAYPAK PRODUCTS This start-up checklist is to be completely filled out by the service technician starting up the

64NOTES: _____________________________________________________________________________________________________________________________________________

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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.

7General InformationQuantity of Vent Size (in.)ModelNo.BurnersGasValvesBlowers Flue Intake992B 11 2 + 1* 2 10 101262B 14 3 + 1* 2 12 101532B 17 4 2 12

8GENERAL SAFETYTo meet commercial hot water use needs, the highlimit safety control on this water heater is adjustable upto 210°F. However, water temp

9INSTALLATIONINSTALLATIONInstallation CodesInstallations must follow these codes:• Local, state, provincial, and national codes, laws,regulations and