Raypak 336A User Manual Page 1

INSTALLATION & OPERATING INSTRUCTIONSGas-Fired Pool & Spa HeaterCATALOG NO. 6000.59P Effective: 09-09-08 Replaces: 06-24-08 P/N

10PART TWOINSTALLATION AND SERVICE INSTRUCTIONSSECTION 1 - RECEIVING EQUIPMENTThe manufacturer recommends that this manual be reviewed thoroughly befo

11SECTION 3 - INSTALLATION INSTRUCTIONSCALIFORNIA PROPOSITION 65 WARNING: This product contains chemicals known to the State of Californiato cause can

12OUTDOOR HEATER INSTALLATIONThese heaters are design-certified for outdoor installation, when equipped with the approved tops designated foroutdoor u

13Heaters must not be installed under an overhang of less than three 3 ft from the top of the heater. Three sidesmust be open in the area under the o

14FLORIDA BUILDING CODE 2001WIND SPEED = 150 MPH, 3 SECOND GUSTEXPOSURE = CT O H B 28” 40” 3” Min. Conc. Pad by others 3” Min. Conc.Pad by othersMin.

15WARNING: Indoor heaters require a drafthood that must be connected to a vent pipe and properly vented tothe outside. Failure to follow this procedur

16SPECIFICATIONS AND DIMENSIONSHeaterModelBTUHInput(000)(A)CabinetWidth(B)FlueDia.(C)IndoorDrafthood(D)(J)Min.GasConn.WaterConn.Shipping Weights (lbs)

17Low NOx UNITSHeaterModelBTUHInput(000)(A)CabinetWidth(B)FlueDia.(C)IndoorDrafthood(D)(J)Min. GasConn.WaterConn.Shipping Weights (lbs)StandardHeaterw

18B. All Air From Outdoors:When air is supplied directly from outside of build-ing, each opening shall have a minimum net freearea as noted:COMBUSTI

19The discharge opening must be a minimum of 2 ft ver-tically from the roof surface and at least 2 ft higher thanany part of the building within 10 ft

WATER CHEMISTRY(Corrosive water voids all warranties)For your health and the protection of your pool equipment, it is essential that yourwater be chem

20GAS PRESSURE REGULATORThe gas pressure regulator is preset at 4.0 in. WCthroughout for natural gas, and 10.5 in. WC. forpropane gas. The pressure a

21MODEL PIPE SIZE MIN. GPM MAX. GPM*206/207 1-1/4”–1-1/2” - 2” 20 125266/267 1-1/4”–1-1/2” - 2” 25 125336/337 1-1/4”–1-1/2” - 2” 35 125406/407 1-1/4”–

22CAST IRON HEADERS (ASME MODELS)Heater must be located so that any water leaks will notdamage the structure of adjacent area. High tempera-ture 2&quo

23INTERNAL AUTOMATIC BYPASS VALVEIn addition to the Unitherm Governor, a built-in auto-matic bypass valve is provided in the in/out header.While the U

24The heater requires water flow and positive pressure to fire and operate properly. It must therefore be installeddownstream of the discharge side o

25HEAT EXCHANGER REVERSAL PROCEDURE - STANDARD MODELS1. Remove right and left side access panels(Figure 1).2. Disconnect wires at high limit, AGS (aut

OPTION LOCATIONLEFT SIDE FIELD WIRING26ATMOSPHERICWiring locationsLOW NOxWiring locationsELECTRICAL WIRINGNOTE:If it is necessary to replace any of th

27TRANSFORMER WIRING120 VAC WIRINGFor 120 VAC input power to the unit, connect the black wire to the “L1” or hot leg of the power supply. Connectthe w

28WIRING DIAGRAM - MILLIVOLT (MECHANICAL THERMOSTAT)

29WIRING DIAGRAM - DIGITAL MODELS - ATMOSPHERIC

4 PART ONEOWNER'S OPERATING INSTRUCTIONS4 SECTION 1START-UP PROCEDURES4 Before Start-Up5 Lighting Instructions & Shut-Off Procedures - Manual

30WIRING DIAGRAM - DIGITAL MODELS - LOW NOx

31SECTION 4 - SERVICING INSTRUCTIONSGENERAL LOCATION OF CONTROLSATMOSPHERICLOW NOxDigital Thermostat Circuit BoardDrain Plug(Located in rear header)Un

32CONTROL PANEL REMOVAL1. Remove screw from front door. Set aside door forserviceability.CONTROL ADJUSTMENTS - MILLIVOLT MODELSThe water temperature i

33THERMOSTAT CONTROL OPERATIONThe pool heater thermostat, located on the upper frontpanel of the heater, controls the pool/spa water tem-perature. Thi

34Resets board to factory default settings.Resets faults in the History File.Change from Fahrenheit to Celsius.SPA setpoint maximum adjustment.POOL se

35If the PRS fault code is displayed, it indicates thatthere is insufficient water flow through the heater.Make sure the pool filter and pump strainer

36REMOTE CONTROL INSTALLATION AND OPERATIONCAUTION: Before installing remote controls to the digital thermostat model heaters read the following:The d

37REMOTE CONTROL WIRINGImportant Installation Notes for Remote or External Wiring Configuration• Remote wiring must be run in a separate conduit.• Rem

FLAME ROLL-OUT SAFETY SWITCHAtmospheric heaters areequipped with a thermal cutoffdevice to prevent flame roll-outin the event the heat exchang-er beco

39PILOT REMOVAL AND CLEANING1. Disconnect pilot tubing and wires from gas valve.2. Remove pilot assembly from burner tray.3. Remove pilot from b

4PART ONE OWNER'S OPERATING INSTRUCTIONSFOR YOUR SAFETY - READ BEFORE OPERATINGWARNING: IF YOU DO NOT FOLLOW THESE INSTRUCTIONS EXACTLY, A FIRE O

40TUBE CLEANING PROCEDUREEstablish a regular inspection schedule, the frequencydepending on the local water conditions and the sever-ity of service.

41The Low NOx pool heaters are certified and testedunder the ANSI Z21.56/CSA 4.7 Standard for Gas-Fired Pool Heaters.The heater should be installed t

42LOW NOx HEATERS (CONTINUED)BURNER TRAY REMOVAL1. Shut off main electrical power switch to heater.2. Shut off gas upstream of heater.3. Remove front

43MECHANICALIMPORTANT NOTICE These instructions are intended for the use of qualified personnel who are specifically trained and experienced in theins

44ELECTRICAL - STANDING PILOT MILLIVOLTPOOL OR SPA HEATER ELECTRICAL CHECK WITH MILLIVOLT GAS VALVECAUTION: For qualified service personnel only.1. Fi

45STARTTURN GAS SUPPLY OFF.TURN THERMOSTAT(CONTROLLER) TO CALL FOR HEATPOWER TO PC BOARD?(24 V NOMINAL)YESSPARK ACROSSIGNITER/SENSOR GAP?YESTURN GAS

46 Power OnIs the water temperature displayed?NOYESPush MODE switch to select "Pool" or "SPA"Push Temparrow to scroll todesired

47SECTION 6 - REPLACEMENT PARTSNOTE: To supply you with the correct part, it is impor-tant that you supply the heater model number, serialnumber and

4810-M14-M9-M9-M5-C4-C11-S4-S5-S3-B4-B5-B1-B6-S7-S4-S2-R1-R1-J16-M3-R2-V4-V1-V3-V1-S13-S2-S12-S4-HP5-HP7-HP6-HP6-HP3-HP12-HM17-HM14-M8-S2-J2-B1-G4-M2-

49LOW NOx HEATERS

5CAUTION:Propane gas is heavier than air and will settle on the ground. Since propane can accumulate inconfined areas, extra care should be exercise

5016-HM15-HM12-HM9-HM10-HM2-C3-M11-HM8-HM(OPTIONAL)POLYMER IN/OUT HEADER AND ACCESSORIES1-M3-C6-C5-HM17-HM14-HM13-HM2-HM4-HM7-HM3-HM6-HM2-S9-S4-SHONEY

51CALLA604A633A662A602NOITPIRCSEDTUOB BURNER TRAY F493010F393010F293010F193010*)level aes( srenruB/w yarT renruBB-1F893010F793010F693010F593010*)level

52CALLA604A633A662A602NOITPIRCSEDTUOHM HEAT EXCHANGER - METAL1-HM Heat Exchange Assy.Copper ASME CI 010051F 006727F 010053F 010054FHeat Exchange Assy

53CALLA604A633A662A602NOITPIRCSEDTUOS SHEETMETALF050010F940010F840010F740010)derevuoL( poT tekcaJS-12-S Flue Collector (Units with Polymer Header) 010

54CALLA704A733A762A702NOITPIRCSEDTUOBB BURNER TRAY F643010F543010F443010F343010)0005-0( srenruB/w yarT renruBB-1F780010F680010F580010F480010)0005-0( r

55CALLA704A733A762A702NOITPIRCSEDTUOJ CONTROL BOXF637600F637600F637600F637600V42/042/021 remrofsnarTJ-1F394900F394900F394900F394900 hctiwS rekcoRJ-2F4

6CAUTION:Propane gas is heavier than air and will settle on the ground. Since propane can accumulate inconfined areas, extra care should be exercise

7AFTER START-UPFeel the inlet and outlet pipes. Outlet pipe should beonly slightly warmer than the inlet. It should not be hot.VISUAL INSPECTION - A

8SECTION 3 - MAINTENANCE AND CARE PROCEDURESTo be followed one month after start-up and then semi-annually.1. Inspect top of heater and drafthood for

9COLD WEATHER OPERATIONIMPORTANT FREEZE INFORMATIONMODERATE CLIMATE: Heater operation can contin-ue during short-term cold spells. When temperaturesa