Raypak 266A, 406A, 206A Servicing Instructions, General Location of Controls Atmospheric, LOW NOx

Page 31

SECTION 4 - SERVICING INSTRUCTIONS

GENERAL LOCATION OF CONTROLS

ATMOSPHERIC

Drain Plug

(Located in rear header)

Mounted On Top

Of Header

HL1 - High Limit

HL2 - High Limit

Pressure Switch

Temp Sensor/Well

Digital Thermostat

Circuit Board

Unitherm Governor

Draw Plug

Roll-Out

Switch

Transformer

Gas Valve

Pilot

LOW NOx

Drain Plug

(Located in rear header)

Blower

Relay

Mounted On Top

Of Header

HL1 - High Limit

HL2 - High Limit

Pressure Switch

Temp Sensor/Well

	Digital Thermostat	Unitherm
	Digital Thermostat	Governor
Blower	Circuit Board	Governor
Blower	Circuit Board
Hose
	Roll-Out
Blower	Switch
Blower	(Manual)
	(Manual)	Draw Plug
		Draw Plug
Roll-Out	Gas Valve
Switch
(Auto)	Air
	Air
	Switch
		Transformer
		Pilot

Image 31

Contents What to do if YOU Smell GAS Installation and Operating InstructionsMaximum Water ChemistryContents For Your Safety Read Before Operating START-UP ProceduresBefore START-UP Burners Water Millivolt System Automatically Lighted Pilot Operating Instructions and SHUT-OFF ProceduresSHUT-OFF Procedures Electronic Ignition SystemAfter START-UP Water Pressure SwitchVisual Inspection Atmospheric Heaters Pool & SPA Water Chemistry Maintenance and Care ProceduresSee plumbing diagram If Heater will not FireCold Weather Operation Important Freeze InformationWinterizing the Pool & SPA Heater Receiving Equipment Part TWO Installation and Service InstructionsCode Requirements General SpecificationsInstallation Instructions Important NoticeALL Heaters Outdoor InstallationOutdoor Heater Installation Clearances10 ft Wind Speed = 150 MPH, 3 Second Gust Exposure = C Florida Building CodeOutdoor Stack Indoor Stack Indoor Heater InstallationAtmospheric Units Specifications and DimensionsLow NOx Units Vent Piping Power Vent Kit Model Part NoCombustion and Ventilation AIR Indoor Units Only Model Square InchesGAS Supply Connections B149.1 and B149.2GAS Pressure Regulator GAS Pressure Adjustment LocationsPipe Sizing for GAS Connections Flow Rates Plumbing for Water ConnectionsPolymer Headers Cast Iron Headers Asme Unitherm Governor Operation INLET/OUTLET Header PolymerCast Iron Headers Asme Models INLET/OUTLET Header AsmeExternal Auxiliary Bypass Valve Auxiliary Bypass Valve AdjustmentCast Iron Header Asme Models Fig. #4 Heat Exchanger Reversal Procedure Standard ModelsAtmospheric Electrical WiringMillivolt Models Digital Models120V Atmospheric Heater Transformer Wiring VAC Wiring240V Atmospheric Heater Wiring Diagram Millivolt Mechanical Thermostat Wiring Diagram Digital Models Atmospheric Wiring Diagram Digital Models LOW NOx General Location of Controls Atmospheric Servicing InstructionsLOW NOx Control Adjustments Millivolt Models Control Adjustments Digital ModelsControl Panel Removal Thermostat Control Operation Digital Thermostat ControlsCfff Fahrenheit to Celsius SETdef Default SettingsRESfl Reset Fault History Program ButtonDisplay Definition Diagnostics Reading a FaultFault Codes Status Codes Program ModesRemote Operation Remote Control Installation and OperationActivating the Remote Wire Remote Control On-Off Remote Control WiringHigh Limits Flame ROLL-OUT Safety SwitchPilot Safety Millivolt Models Pilot Safety Digital ModelsMain Burner and Orifice Removal Pilot Removal and CleaningBurner Tray Removal GAS Valve RemovalUnitherm Governor U.G. Replacement Tube Cleaning ProcedureDesooting Procedure Immersion Well ReplacementVisual Inspection Blower AdjustmentLOW NOx Pool Heaters OperationCombustion Blower Removal Pilot RemovalMechanical TroubleshootingPage For qualified technicians only Electrical Electronic Ignition IIDYES Digital Control Logic Flow ChartManufacturer Replacement PartsEastman Avenue OXNARD, CA Atmospheric Heaters LOW NOx Heaters IID LOW NOx Pilot Call OUT Description Call OUT Description Sheetmetal Call OUT Description 267A