Raypak P-R185B To P-R405B, C-R185B To P-R405B, P-R185BL To P-R405BL, C-R185BL To C-R405BL, RP2100

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CAUTION: Propane gas is heavier than air and will settle on the ground. Since propane can accumulate in confined areas, extra care should be exercised when lighting propane heaters.

LIGHTING INSTRUCTIONS AND SHUT-OFF PROCEDURES

MANUALLY LIGHTED PILOTS

MILLIVOLT SYSTEM

A.This appliance has a pilot that must be lighted by hand. When lighting the pilot, follow these instructions exactly.

B.BEFORE LIGHTING smell all around the appliance area for gas. Be sure to smell next to the floor because some gas is heavier than air and will settle on the floor.

WHAT TO DO IF YOU SMELL GAS: *Do not try to light any appliance.

*Do not touch any electric switch; do not use any phone in your building.

*Immediately call your gas supplier from a neighbor's phone. Follow the gas supplier's instructions.

*If you cannot reach your gas supplier, call the fire department.

C.Use only your hand to push in or turn the gas control knob. Never use tools. If the knob will not push in or turn by hand, do not try to repair it. Call a qualified service technician. Force or attempted repair may result in a fire or explo- sion.

D.Do not use this appliance if any part has been underwater. Immediately call a qualified serv- ice technician to inspect the appliance and to replace any part of the control system and any gas control which has been underwater.

LIGHTING INSTRUCTIONS

1.STOP! Read the safety information above.

2.Set the thermostat on the lowest setting.

3.Turn On/Off switch to the "Off" position.

4.Remove heater door panel.

5.Push in gas control knob slightly and turn

clockwise to "Off".

NOTE: Knob cannot be turned from "Pilot" to Off" unless knob is pushed in slightly. Do not force.

6.Wait 5 minutes to clear out any gas. If you then smell gas, STOP! Follow "B" in the safety information above. If you don't smell gas, go to the next step.

7.Locate pilot mounted on the right side panel of the burner drawer. For burner drawer location, see location of control section, page 20.

GAS CONTROL KNOB SHOWN IN OFF POSITION

HONEYWELL

GAS VALVE

MILLIVOLT

ROBERTSHAW

Fig. # 8081.0GAS VALVE

MILLIVOLT

HONEYWELL PILOT

ROBERTSHAW PILOT

Fig. # 8083.0

Fig. # 8084.1

8.Turn knob on gas control counter-clockwise

to "Pilot"

9.Place flame to end of pilot tube. Push in control knob all the way and hold to light pilot. Continue to hold control knob in for about one minute after the pilot is lighted, release knob and it will pop back up. Pilot should remain lighted. If it goes out, repeat steps 5 through 9. *If knob does not pop up when released, stop and immediately call your service technician or gas supplier.

10.Stand to the side of the heater and turn the gas

control knob counter clockwise to "On".

11.Replace heater door panel.

12.Turn On/Off switch to the "On" position.

13.Set thermostat to the desired setting.

Fig. # 8079.0

TO TURN OFF GAS TO APPLIANCE

1.Set the thermostat to the lowest setting.

2.Turn On/Off switch to the "Off" position.

3.Remove heater door panel.

4.Push the gas control knob slightly and turn

clockwise to "Off". Do not force.

5.Replace heater door panel.

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Contents What to do if YOU Smell GAS Installation and Operating InstructionsPage Contents Before START-UP Burners Water START-UP ProceduresFor Your Safety Read Before Operating To Turn OFF GAS to Appliance Millivolt SystemLighting Instructions Operating Instructions Electronic Ignitions SystemsWhat to do if YOU Smell GAS Water Pressure Switch Maintenance and Care ProceduresAfter START-UP Visual InspectionCold Weather Operation Pool & SPA Water ChemistryAutomatic Chlorinators Chemical Feeders Winterizing the Pool & SPA Heater Standardunit Asme Unit General SpecificationsReceiving Equipment Installation Instructions Outdoorheaters Installations onlyIndoor KIT Includes Indoor HeaterOutdoor KIT Includes Securing the TOP Panel Cover Outdoor KIT only Installing the Clips Indoor & Outdoor KitsSecuring the TOP Panel Cover Indoor KIT only Installing the TOP Cover Outdoor KIT only Combustion AIR Indoor Units Only Specifications and DimensionsGAS Supply Connections Vent PipingPipe Sizing for GAS Connections GAS Pressure Adjustment LocationsGAS Pressure Regulator Flow Rates Plumbing for Water ConnectionsUnitherm Governor Operation Connections Asme ModelsAuxiliary Bypass Valve Adjustment External Auxiliary Bypass Valve Where RequiredHeat Exchanger Pressure Drop Tables For Asme Models call your factory representative Electronic Electrical WiringMillivolt System Independently Transformer Wiring 120V Wiring240V Wiring Wiring Diagram Millivolt Units Mechanical Thermostat Wiring Diagram IID Units atmospheric Wiring Diagram IID Units Low NOx Millivolt Controls General Location of Controlscontrols and AdjustmentsControl Panel Removal Fahrenheit vs Centigrade Digital Thermostat ControlsThermostat Control Operation Display Definition DiagnosticsReading a Fault Remote Operation Remote Control Installation and OperationActivating the Remote Wire Remote Control On-Off Remote Control WiringFlame ROLL-OUT Safety Switch Pressure SwitchPilot Safety Millivolt Pilot Safety ElectronicBurner Drawer Removal Pilot Removal and CleaningGAS Valve Removal Main Burner and Orifice RemovalDesootingprocedure TubecleaningprocedureImmersion Well Replacement Unitherm Governor U.G. ReplacementBurneradjustment START-UP ProceduresFlame ROLL-OUT Safety Switch OperationCombustion FAN Removal Pilot RemovalMechanicalforqualifiedservicepersonnelonly Trouble Shooting GuideRaypak Pool or SPA Heater Electrical Check with MV GAS Valve Electrical Standing Pilot MillivoltFor qualified Technicians only Electrical Electronic Ignition IID TroubleshootingDigital Control Logic Flow Chart Eastman Avenue Oxnard, CA For Canada Replacement Parts ListRAYPAK, INC Page Pilot Assemblies Page Page Page Page Page

P-R185B To P-R405B, C-R185B To P-R405B, P-R185BL To P-R405BL, C-R185BL To C-R405BL, RP2100 specifications

Raypak offers a comprehensive line of boilers and water heaters, notably the P-R185B to P-R405B and C-R185B to P-R405B series, along with the RP2100 model. These products are engineered for efficiency, reliability, and performance in both residential and commercial applications.

The P-R185B to P-R405B series features a range of input capacities from 185,000 to 405,000 BTU/h, making them suitable for various heating requirements. The P-R series is equipped with Raypak's patented Cupro-Nickel heat exchanger, which offers superior corrosion resistance and extended life in challenging water conditions. These units also utilize a sealed combustion system, allowing for efficient operation and reduced energy consumption by drawing air from outside the building.

The C-R185B to P-R405B boilers are specifically designed for commercial applications where reliability is critical. They incorporate similar features to the standard P-R series and are built to handle higher heating demands, making them ideal for larger facilities. The C-R series models are recognized for their durable construction and advanced control systems, offering precise temperature management and enhanced performance.

In addition to these series, the P-R185BL to P-R405BL and C-R185BL to C-R405BL models feature a low-NOx design to comply with stringent environmental regulations. This means they produce lower nitrogen oxides, making them an environmentally friendly option without sacrificing performance.

The RP2100 is another standout model, known for its robust design and cutting-edge technology. It boasts a high efficiency rating and is equipped with an intuitive digital control system, allowing users to monitor and adjust settings with ease. The RP2100 also features a modulating burner system, which adjusts the flame based on the heating demand, optimizing fuel usage and minimizing operational costs.

All Raypak models are designed with safety in mind, incorporating multiple safety features like thermal shutdowns and pressure relief valves. Their compact dimensions make installation straightforward, and the low maintenance requirements ensure longevity and consistent performance.

In summary, Raypak's P-R185B to P-R405B, C-R185B to P-R405B, P-R185BL to P-R405BL, and RP2100 series represent a commitment to quality and innovation in heating solutions, providing efficient and reliable options for both residential and commercial applications.
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