Raypak WH & P L W User Manual

INSTALLATION AND OPERATINGINSTRUCTIONSCATALOG NO. 1000.511A Effective: 09-08-06 Replaces: 03-15-05 P/N 241259 Rev. 1WARNING: If these instructions ar

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

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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 r

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

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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

228. Remove the rubber grommet from the left-hand-side panel and reinstall into the standard main gasopening, located on the right-hand side of thehea

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.

25Installer action is required to electrically enable yourheater to operate after making the power connections.You must make a closed contact connecti

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 high-est point of the roof that i

WARNINGS 4BEFORE INSTALLATION 5Product Receipt 5Model Identification 5Ratings and Certifications 5Component Locations 6General Information 7GENERAL SA

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”992A 10”1262A15

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: External LED Indicator DecalHeater Sequence of OperationModels 992A-1262A 1. The black (hot) wire lead goes directly to the mainpower switc

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

3633. Power is applied to the optional equipment inter-lock connection (normally jumpered).34. The 24 VAC signal is then sent to the 24 VAC safe-ty co

379. 24 VAC is sent to the low water cut-off (optional)and the red power light is energized.10. 24 VAC is applied to the blue power light locatedon th

3837. 24 VAC is now sent to the pressure switch (P.S.)terminal on ignition modules 1 and 2.38. Once the pressure switch signal is received atignition

396. Terminals L1 and F1 of the ignition module 2 arepowered with 120VAC.7. 120 VAC power is waiting at relay contacts K-4 toenergize the heater blowe

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

4035. Power is applied to the optional equipment inter-lock connection (normally jumpered).36. The 24 VAC signal is then sent to the 24 VAC safe-ty co

41Ignition ModuleWhen additional heat is needed, the combustion airblower starts to purge air from the combustion cham-ber for about 15 seconds. On pr

42Fig. 35: Operating ControlLow Water Cut-Off (Optional)The low water cut-off automatically shuts down theburner whenever water level drops below the

4387%-Efficiency Boilers – Special InstructionsWater PipingAn 87%-efficiency boiler requires a minimum inletwater temperature of 120ºF (49ºC) to preve

44WARNING: Contact the vent material manufactur-er if there are any questions about the appliance cat-egory or suitability of a vent material for Cate

45Horizontal Through-the-Wall Venting(Category IV)WARNING: Vent connectors serving appliancesvented by natural draft shall not be connected intoany po

46The 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

47Direct Vent - VerticalVertical Venting Height*Air InletMax. Length**ModelCertifiedVentingMaterialVent SizeMin. Max.Combustion AirIntake PipeMaterial

48Wiring Diagrams

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

50START-UPPre Start-upFilling System (Heating Boilers) Fill system with water. Purge all air from the system.Lower system pressure. Open valves for no

51PreparationCheck Power SupplyWith multi-meter at incoming power, check voltagebetween:Hot - Common (≈120 VAC)Hot - Ground (≈120 VAC)Common - Ground

52Safety Inspection1. Check all thermostats and high limit settings.2. During the following safety checks leave manome-ters hooked up, check and recor

531. 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

5410. To restart system, follow lighting instructions in theOperation section.11. Check to see that the high limit control is setabove the design temp

55TROUBLESHOOTINGStep 7 Step 6 Step 5 Step 1 Step 2 Step 3 Step 4 Is there a Call For Heat?Is Disable jumper intact? (J1)Is there 120VAC at J8 Connect

56MAINTENANCESuggested MinimumMaintenance ScheduleRegular service by a qualified service agency andmaintenance must be performed to ensure maximumoper

57WeeklyFor 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

58APPENDIXInside Air ContaminationAll heaters experience some condensation duringstart-up. The condensate from flue gas is acidic.Combustion air can b

59LIMITED PARTS WARRANTY HI DELTA – TYPES H AND WH MODELS 992A–2342A SCOPERaypak, Inc. (“Raypak”) warrants to the original owner that all parts of thi

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60LIMITED PARTS WARRANTY HI DELTA – TYPE P MODELS 992A–2342A SCOPERaypak, Inc. (“Raypak”) warrants to the original owner that all parts of this heater

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www.raypak.com Raypak, Inc., 2151 Eastman Avenue, Oxnard, CA 93030 (805) 278-5300 Fax (805) 278-5468Raypak Canada Limited, 2805 Slough St., Mississaug

7General InformationQuantity ofVent Size (in.)ModelNo.BurnersGasValvesBlowers Flue Intake992A 11 2 + 1* 2 10 101262A 14 3 + 1* 2 12 101532A 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