Raypak 0180B, 0066B Replacement Parts List, Fast-Response Temperature Sensor Module Replacement

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7.Remove the wedge or retaining clip holding the sensing bulb in the control well in the in/out head- er.

8.Pull out the sensing bulb carefully from the control well.

9.Remove the limit control with capillary from unit.

10.Reverse above procedure to re-install.

Fast-Response Temperature Sensor Module Replacement

1.Shut-off electrical power to the boiler.

2.Remove control cover screws and open control compartment.

3.Disconnect wiring to the board.

4.Carefully pull out the control board from the nylon pin supports.

Reverse above procedure to re-install.

Fast-Response Temperature Sensor Probe Replacement

1.Shut-off electrical power to the boiler.

2.Shut-off water supply to the boiler and open drain valve to remove water to the sensor probe level.

3.Remove control cover screws and open control compartment.

4.Disconnect wire leads from control board.

5.Remove upper access panel.

6.Remove sensor probe from in/out header.

7.Reverse above procedure to re-install.

Circulator Replacement

1.Shut-off electrical power to the boiler.

2.Shut-off water supply and open drain valve to remove water in the piping at the pump level.

CAUTION: To avoid damage to electrical components, keep water from getting into the control compartments and gas valve.

3.Disconnect wiring and conduit connections to the pump.

4.Disconnect the bypass tube connections to the inlet flange.

5.Remove the nuts and bolts at the inlet and outlet flanges. Remove old gaskets.

6.Remove the pump.

7.Reverse the above procedure to re-install. Use new gaskets and make sure they are seated prop- erly when tightening the nuts and bolts.

2-Stage Controller (Models 90, 135 & 180)

1.Shut-off electrical power to the boiler.

2.Remove control cover screws and open control compartment.

3.The control is factory set at 160°F. To adjust to another setting, use a small screw driver and turn dial clockwise to lower the temperature or counter- clockwise to raise the setting.

4.To replace the stage controller, disconnect the wiring connections.

5.Remove screws (2) holding the staged controller.

6.Remove upper access panel.

7.Remove the wedge or retaining clip holding the sensing bulb in the control well in the in/ out head- er.

8.Pull out the sensing bulb carefully from the control well.

9.Remove the stage control with capillary from unit.

10.Reverse above procedure to re-install.

Replacement Parts List

NOTE: To supply the correct part it is important that you supply the model number, serial number and type of gas when applicable.

Any part returned for replacement under standard company warranties must be properly tagged with Raypak return parts tag, completely filled in with the heater serial number, model number etc., and shipped to Raypak freight prepaid.

If determined defective by Raypak and within warran- ty, the part will be returned in kind or equal substitution, freight collect. Credit will not be issued.

RAYPAK, INC.

2151 Eastman Avenue

Oxnard, CA 93030

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Contents Raytherm Residential Boilers Page Contents Proposition Pay Attention to These TermsReceiving Equipment General SpecificationsCapacity Input Heating Net Piping ConnectionsGas NPT RatingCode Requirements InstallationMounting Base Clearance RequirementsModel No Sq. in. of Free Area Combustion/Ventilation AirModel No Venting Connections Model No Vent Max Connector Horizontal Diameter Length ftRoof Pitch X/12 Min. ft Common VentsVent Damper Location Vent Damper Installation LocationVent Damper Operation MountingAbbreviationDescription Flair DamperVent Damper Gas Pressure Gas Supply ConnectionsWater Connections & System Piping Model No System Flow Max. System Gpm Head ft/WC Single-Zone Piping Piping DiagramsElectrical Wiring Wiring Diagrams Page Page Single-Zone Taco Valve System with Three 3 Zone Pumps Primary/Secondary Pumping System Honeywell Zone Valve IID Units with Low Water Cut-off Device Sequence Operation Servicing ProceduresGeneral Location of Controls Intermittent Ignition Device IIDLighting the Boiler START-UP ProceduresFor Standing Pilot Models Filling the SystemFor Automatic Ignition Models To Turn Off Gas to the Boiler Models 90, 135To Turn Off Gas to the Boiler Shut-down ProcedureFor Honeywell valve Turn gas control knob For Honeywell valveSafe Shut-down Tests Testing the Ignition Safety Shut-offLow Water Cut-Off When Installed Inspection ProceduresProcedure for Cleaning Flue Gas Passageways BurnersTube Cleaning Procedure Typical Repair ProceduresHeat Exchanger Removal Burner Tray RemovalCombustion Chamber Removal Heat Exchanger Re-assemblyProblem Causes Solutions TroubleshootingPiping Adjustment & Replacement of Components Fast-Response Temperature Sensor Module Replacement Replacement Parts ListFast-Response Temperature Sensor Probe Replacement Circulator ReplacementLimited Parts Warranty
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