Raypak 992B-1262B manual Operation, Lighting Instructions, To Turn Off Gas To Appliance

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10.To restart system, follow lighting instructions in the Operation section.

11.Check to see that the high limit control is set above the design temperature requirements of the system.

For multiple zones: Check to make sure the flow is adjusted as required in each zone.

12.Check that the heater is cycled with the thermo- stat. Raise to the highest setting and verify that the heater goes through the normal start-up cycle. Re- duce to the lowest setting and verify that the heater goes off.

13.Observe several operating cycles for proper oper- ation.

14.Set the room thermostat or tankstat to desired temperature.

15.Review all instructions shipped with this heater with owner or maintenance person, return to enve- lope and give to owner or place the instructions inside front panel on heater.

OPERATION

Lighting Instructions

1.Before lighting, make sure you have read all of the safety information in this manual.

2.Set the thermostat to the lowest setting.

3.Turn off all electrical power to the appliance.

4.This appliance is equipped with an ignition device which automatically lights the burner. Do not try to light the burner by hand.

5.Remove upper front panel.

6.Turn 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 of this manual. If you do not smell gas, go to next step.

8.Turn on all electrical power to the appliance.

9.Set thermostat to desired setting. The appliance will operate. The igniter will glow after the pre- purge time delay (15 seconds). After igniter reaches temperature (45 seconds) the main valve will open. System will try for ignition three times. If flame is not sensed, lockout will commence.

10.If the appliance will not operate, follow the instruc- tions “To Turn Off Gas To Appliance,” and call your service technician or gas supplier.

11.Replace access panel.

12.If heater fails to start, verify the following:

a.There are no loose connections or that the service switch is off.

b.High temperature limit switch is set above wa- ter temperature.

c.Thermostat is set above room temperature.

d.Gas is on at the meter and the heater.

e.Incoming gas pressure to the gas valve is NOT less than 5.0 in. WC for natural gas, 11.0 in. WC for propane gas.

To Turn Off Gas To Appliance

1.Set the thermostat to lowest setting.

2.Turn off all electrical power to the appliance if serv- ice is to be performed.

3.Remove upper front panels.

4.Turn off main manual gas valve.

5.Replace access panel.

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Contents Installation & Operating Instructions Page Contents Pay Attention to These Terms Before Installation Installations at ElevationProduct Receipt Model IdentificationComponent Locations Component Locations BackGeneral Information Model Quantity Vent Size Gas Burners BlowersValves Model Burners per Valve Stages Fire at StageWater Time to Produce Serious Temp Burn General SafetyTime/Temperature Relationships in Scalds Installation Installation CodesEquipment Base StackingTable D Vent/Air Inlet Termination Clearances Clearances Indoor InstallationsOutdoor Installations Combustion and Ventilation Air Indoor UnitsReversing Air Filter Direct VentInstallations Conventional Combustion Air SupplyTruSeal Combustion Air All Air from Inside the BuildingCanadian Installations Water PipingGeneral Reversing Water ConnectionsRelief Valve Piping Hydrostatic Test Cold Water OperationPump Selection Temperature & Pressure GaugeHydronic Heating Pressure Drop in Feet of Head Feedwater Regulator PipingAir-Separation/Expansion Tank Three-Way ValvesPotable Water and Space Heating Pool HeatingAutomatic Chlorinators and Chemical Feeders Winterizing Your HeaterGas Supply Pool/Spa Water Chemistry Water HardnessPH of Water Total Dissolved SolidsGas Supply Connection Reversing Gas Supply ConnectionModel Table I Maximum Equivalent Pipe LengthElectrical Power Connections Check the Power SourceGas Supply Pressure Field-Connected ControllersField Wiring Connection Making the Electrical ConnectionsOn-Off Wiring Connections Venting Flue Exhaust TeeModel Diameter Order Number Appliance CategoriesSupport of Vent Stack Vent Terminal LocationCombustion Exhaust Certified Combustion AirChanging the Flue Outlet InstallationsCanadian Installations Venting Installation Tips Venting ConfigurationsInstallation Natural Draft Vertical Venting CategoryTermination Common Venting SystemCertified Vertical Venting Combustion Air Air Inlet Model HeightHorizontal Through-the-Wall Venting Category Horizontal Through-the-Wall Venting CategoryDirect Vent Horizontal Through- the-Wall Model Certified Maximum Combustion Air InletVenting Equivalent Material Vent Length Intake PipeDirect Vent Vertical Direct Vent VerticalFreeze Protection Outdoor InstallationControls Heater Sequence of Operation Models 992B-1262BExternal Lights Color Indication Models 1532B 1802B Page Page Models 2002B 2342B Page Page High Limit Manual Reset Flow SwitchIgnition Module Operating ControlHigh and Low Gas Pressure Switches Low Water Cut-Off OptionalUDB Diagnostic Board UDB Fault HistoryVenting Appliance Categories 87%-Efficiency Boilers Special InstructionsWater Piping Condensate Management Vertical Venting CategoryVent Terminal Location Max. Length Material Vent Length Certified Maximum Combustion Air Air Inlet Model VentingEquivalent Direct Vent Horizontal Through- the-Wall 992BE 75’ 100’ 1262BE Galvanized Steel 1532BE Category 25’ Wiring Diagram Models 992B-1262B Wiring Diagram Models 1532B-2342B START-UP Pre Start-upStart-Up Blower AdjustmentMain Burner Adjustment Safety Inspection Leak Test Procedure Dual-Seat Gas ValvesFollow-Up Pilot Turn-Down TestPost Start-Up Check Leak TestTo Turn Off Gas To Appliance OperationLighting Instructions Troubleshooting StepPreventive Maintenance Schedule MaintenanceSuggested Minimum Maintenance Schedule Weekly Semi-AnnuallyAnnually As RequiredAppendix Inside Air ContaminationLimited Parts Warranty HI Delta Types H and WH Limited Parts Warranty HI Delta Type P START-UP Checklist for FAN-ASSISTED Raypak Products Page
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