Raypak Swimming Pool Heater P R185B to R P405B, C R185B to C R405B, P R185BL to P R405BL, C R185BL to C R405BL User Guide

CATALOGNO.6000.52-AK  
Effective: 05-01-04  
Replaces: 03-15-04  
INSTALLATION  
AND OPERATING  
INSTRUCTIONS  
RP2100  
SWIMMING POOL  
and  
SPAHEATER  
Atmospheric Models  
P-R185B to P-R405B  
C-R185B to C-R405B  
Low NOx Models  
P-R185BL to P-R405BL  
C-R185BL to C-R405BL  
Fig.#9478  
WARNING: If the information in these instructions is not followed exactly, a fire or  
explosion may result causing property damage, personal injury or death.  
Do not store or use gasoline or other flammable vapors and liquids in the vicinity of  
this or any other appliance.  
WHAT TO DO IF YOU SMELL GAS  
• Do not try to light any appliance.  
• Do not touch any electrical switch; do not use any phone in your building.  
• Immediately call your gas supplier from a neighbor's phone. Follow the gas  
supplier'sinstructions.  
• If you cannot reach your gas supplier, call the fire department.  
Installation and service must be performed by a qualified installer, service agency or  
the gas supplier.  
Thismanualshouldbemaintainedinlegibleconditionandkeptadjacenttothe  
heater or kept in a safe place for future reference.  
Part No. 240612  
 
CONTENTS  
4
4
PARTONE  
OWNER'SOPERATINGINSTRUCTIONS  
29  
SECTION4  
SERVICINGINSTRUCTIONS  
29  
29  
30  
31  
32  
34  
34  
34  
34  
35  
35  
35  
35  
35  
36  
36  
36  
36  
36  
37  
GeneralLocationofControls  
MillivoltControls  
DigitalThermostatControls  
Digital Diagnostics and Codes  
RemoteControlandOperationInstallation  
Pressure Switch  
Flame Roll-Out Safety Switch  
High Limit  
Pilot Safety  
SECTION1  
START-UPPROCEDURES  
4
5
BeforeStart-Up  
LightingInstructions&Shut-OffProcedures-  
ManuallyLightedPilotsMV  
OperatingInstruction&Shut-OffProcedures-  
Automatically Lighted Pilots IID  
AfterStart-Up  
6
7
7
BurnerDrawerRemoval  
GasValveRemoval  
SECTION2  
CAUTION  
MainBurnerandOrificeRemoval  
PilotRemovalandCleaning  
HeatExchangerRemoval  
TubeCleaningProcedure  
DesootingProcedure  
CombustionChamberRemoval  
ImmersionWellReplacement  
UnithermGovernor(U.G.)Replacement  
Low NOx Pool Heaters  
7
SECTION3  
MAINTENANCE&CAREPROCEDURES  
8
8
9
Pool & Spa Water Chemistry  
ColdWeatherOperation  
Winterizing the Pool & Spa Heater  
10  
PART TWO  
INSTALLATION&SERVICEINSTRUCTIONS  
39  
SECTION5  
TROUBLESHOOTINGGUIDE  
10  
10  
11  
SECTION1  
RECEIVINGEQUIPMENT  
39  
40  
41  
42  
Mechanical  
Electrical MV Units  
Electrical IID Units  
DigitalControlLogic  
SECTION2  
GENERALSPECIFICATIONS  
43  
SECTION6  
REPLACEMENTPARTS  
SECTION3  
INSTALLATIONINSTRUCTIONS  
44  
46  
Illustrated Parts List  
PartNumbers  
11  
11  
12  
12  
16  
16  
17  
17  
19  
23  
24  
25  
26  
27  
28  
CodeRequirements  
Clearances  
OutdoorHeaterInstallation  
Indoor HeaterInstallation  
SpecificationsandDimensions  
CombustionAir  
Vent Piping  
Gas Supply Connections  
Plumbing For Water Connections  
HeatExchangerReversalProcedure  
Electrical Wiring  
TransformerWiring  
WiringDiagram-Millivolt(MechanicalTherm.)  
WiringDiagram-IID(Atmospheric)  
WiringDiagram-IID(LowNOx)  
3