Raypak P-R185B to R-P405B, C-R185B to C-R405B, P-R185BL to P-R405BL, C-R185BL to C-R405BL, RP2100

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LOW NOx POOL HEATERS

The Raypak Low NOx Pool Heaters are certified and tested under the ANSI Z21.56.CSA 4.7 standards for gas-fired pool heaters.

The heater should be installed to meet all local codes, the latest editions of the National Fuel Gas Code Z223.1 and the National Electrical Code, ANSI/NFPA 70.

Fig # 9361

OPERATION

On call for heat, the ignition system, consisting of an electronic spark module, gas valve and pilot system, is energized. Providing the pilot is proven blower will start running, the main gas valve will open and the heater will operate. When the operating control is satisfied the heater will shut down.

START-UP PROCEDURES

1.Turn on power to the heater with gas supply off.

2.Check ignition as follows:

a.Set the thermostat or controller to call for heat.

b.Watch for continuous spark at the pilot burner.

c.Check the ignition spark operation. Time must be within the lockout timing period (15 or 90 seconds).

d.Turn control down to end call for heat and wait 60 seconds on lockout models before beginning step 3.

3.Turn on gas supply.

4.Set controller to call for heat.

5.System should start as follows:

a.Spark will turn on, pilot gas valve will open, and the blower will begin running.

b.Heater will operate until call for heat is satisfied.

BURNERADJUSTMENT

This burner assembly does not require any primary air adjustments.

BLOWER ADJUSTMENT

The Raypak RP2100 Low NOx pool heater is equipped with a combustion air baffle mounted at the air intake to the combustion air blower. The baffle has a slot that is utilized to align with a square window cutout on the shutter assembly.

The factory setting will be adequate for most field condi- tions and adjustment will not normally be required. However in some cases, field conditions including un- usual gas characteristics may create a need for adjust- ment to achieve optimum performance. When the com- bustion air setting is proper, there will be some lifting of the flames on some areas of the burner deck under cold- start conditions. After about five minutes of operation, the flames should settle down and blue tips should become visible. Lifting of flames beyond the five minutes would indicate too much combustion air. Loosening the knurled screw and opening the air baffle (move to the left) increases the amount of combustion air; closing it (move to the right) decreases the amount of combustion air. After a steady blue flame is attained, the knurled screw must be re-tightened.

VISUAL INSPECTION

Flame can be observed through the slot opening above the plenum. Flame color is blue and evenly spread on the top surface of the burner. At least every three months a visual inspection should be made of the burners. In case flame lifting is observed on the burner, check gas pres- sure in manifold. Gas pressure in manifold should be 3.9" W.C.

ELECTRICAL

Be sure that electrical service to the boiler has proper overload fuse or circuit breaker protection, wire size and connections which comply with all applicable codes.

FLAME ROLL-OUT SAFETY SWITCH

Low NOx heaters are equipped with a cutoff device to prevent flame roll-out in the event the heat exchanger becomes blocked. This is a "manual reset" type roll-out switch that must be reset by a service technician after any over temperature conditions have been fixed. Exces- sive restriction in the heat exchanger flue passage may cause the switch to disable the heater.

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Contents What to do if YOU Smell GAS Installation and Operating InstructionsPage Contents For Your Safety Read Before Operating START-UP ProceduresBefore START-UP Burners Water Lighting Instructions Millivolt SystemTo Turn OFF GAS to Appliance What to do if YOU Smell GAS Electronic Ignitions SystemsOperating Instructions Water Pressure Switch Maintenance and Care ProceduresAfter START-UP Visual InspectionAutomatic Chlorinators Chemical Feeders Pool & SPA Water ChemistryCold Weather Operation Winterizing the Pool & SPA Heater Receiving Equipment General SpecificationsStandardunitpolymerheaders Asme Unit Cast Iron Headers Installation Instructions Installations only OutdoorheaterinstallationOutdoor KIT Includes Indoor Heater InstallationIndoor KIT Includes Securing the TOP Panel Cover Indoor KIT only Installing the Clips Indoor & Outdoor KitsSecuring the TOP Panel Cover Outdoor KIT only Installing the TOP Cover Outdoor KIT only Combustion and Ventilation AIR Indoor Units Only Specifications and DimensionsGAS Supply Connections Vent PipingGAS Pressure Regulator GAS Pressure Adjustment LocationsPipe Sizing for GAS Connections Flow Rates Plumbing for Water ConnectionsUnitherm Governor Operation Cast Iron Headrers Asme ModelsAuxiliary Bypass Valve Adjustment External Auxiliary Bypass Valve Where RequiredHeat Exchanger Pressure Drop Tables For Asme Models call your factory representative Heat Exchanger Reversal Procedure Polymer Header ModelsMillivolt System Electrical WiringElectronic 240V Wiring Transformer Wiring 120V WiringIndependently Wiring Diagram Millivolt Mechanical Thermostat Wiring Diagram IID Atmospheric Wiring Diagram IID Low NOx Control Panel Removal General Location of Controlscontrol AdjustmentsMillivolt Controls Thermostat Control Operation Digital Thermostat ControlsFahrenheit vs Centigrade Reading a Fault DiagnosticsDisplay Definition 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 ProceduresBlower Adjustment Flame ROLL-OUT Safety SwitchCombustion FAN Removal Pilot RemovalMechanicalforqualifiedservicepersonnelonly Troubleshooting 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 RAYPAK, INC Replacement PartsEastman Avenue Oxnard, CA For Canada Illustrated Parts List Pilot Assemblies Page Page Page Page Page
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P-R185B to R-P405B, C-R185B to C-R405B, P-R185BL to P-R405BL, C-R185BL to C-R405BL, RP2100 specifications

Raypak is a leading manufacturer in the heating and cooling industry, renowned for its innovative products that cater to both residential and commercial sectors. One of its product lines, the RP2100 series, exemplifies cutting-edge technology and features designed to enhance efficiency and performance in pool heating systems.

The RP2100 models, particularly the P-R185B through R-P405B series, incorporate advanced heat exchanger technology, enabling them to offer exceptional heat transfer efficiency. The titanium heat exchangers are designed for durability and resistance against corrosion, particularly in saltwater environments, ensuring the longevity of the system. These units are engineered for both outdoor and indoor applications, with the versatility to adapt to various heating requirements.

In terms of energy efficiency, the RP2100 series boasts a high coefficient of performance (COP), making them cost-effective solutions for pool heating. They are equipped with digital thermostats that provide accurate temperature control, ensuring consistent heating capabilities while minimizing energy consumption. The inclusion of intelligent controls allows for seamless integration with existing systems and provides users with the ability to schedule heating cycles, further enhancing energy savings.

Moving beyond the RP2100 series, the C-R185B to C-R405B models are specifically tailored for commercial applications, combining robust performance with user-friendly features. These commercial heaters are designed to handle larger volumes of water and are built to withstand the rigors of high-traffic environments, such as resorts and sports complexes. Their vertical design optimizes space and promotes better airflow, which is crucial in high-demand scenarios.

The P-R185BL to P-R405BL and C-R185BL to C-R405BL models feature noise-reducing technology, making them suitable for residential settings where peace and quiet are paramount. They utilize advanced acoustic insulation materials that minimize operational noise without sacrificing performance.

In summary, the Raypak RP2100, P-R185B to R-P405B, C-R185B to C-R405B, P-R185BL to P-R405BL, and C-R185BL to C-R405BL series represent the pinnacle of innovation in pool heating solutions. With their durable construction, energy-efficient designs, and advanced technologies, these models are ideal for users seeking reliability, efficiency, and quiet operation in both residential and commercial environments. Investing in Raypak products ensures superior heating performance, longevity, and overall satisfaction.
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