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44

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DESCRIPTION

207A

266L/267A

337A

399L/407A

J

CONTROL BOX

1-J

Transformer 120/240/24V

006736F

006736F

006736F

006736F

2-J

Rocker Switch 

009493F

009493F

009493F

009493F

3-J

Relay Low Nox

008784F

008784F

008784F

008784F

M

MISCELLANEOUS COMPONENTS

1-M

Pressure Switch 1.75 PSI

006737F

006737F

006737F

006737F

Pressure Switch 1.75 PSI Complete Kit 

(Units manufactured 12/2019 to 6/2020)

018297F

018297F

018297F

018297F

Pressure Switch 11 PSI

    Special-See Water Pressure Switch Adj.

009133F

009133F

009133F

009133F

2-M

Roll-Out Switch 300ºF 

006035F

006035F

006035F

006035F

3-M

PRV

    PRV - 75 PSI ASME (Bronze) Units manufactured from 12/2019

017957F

017957F

017957F

017957F

    PRV - 125 PSI (Optional) Units manufactured prior to 12/2019

008091F

007224F

007224F

007224F

4-M

Deliming Kit

052871F

052871F

052871F

052871F

5-M

Wire/Harness

010347F

010347F

010347F

010347F

6-M

Control Bezel  (Includes Switch Decal)

    Units manufactured from 5/2011

013491F

013491F

013491F

013491F

    Units manufactured prior to 5/2011 

009491F

009491F

009491F

009491F

7-M

Switch/Decal-Membrane

    Units manufactured from 5/2011

013492F

013492F

013492F

013492F

    Units manufactured prior to 5/2011 

009492F

009492F

009492F

009492F

8-M

Control Bezel Cover

009487F

009487F

009487F

009487F

9-M

Gasket Insulation  (Swaybrace & Jacket Top)   

010350F

010350F

010350F

010350F

10-M

Blower / Air Pressure Switch Sample Tube

010348F

010348F

010348F

010348F

11-M

Touch-up Paint

    Green

750125

750125

750125

750125

    Dark Gray

750126

750126

750126

750126

    Cool Dark Gray

750256

750256

750256

750256

    Warm Dark Gray

750258

750258

750258

750258

12-M

Tie Down Bracket (Optional)

011636

011636

011636

011636

13-M

Roll-Out Switch 250ºF (Optional)

011745F

011745F

011745F

011745F

Roll-Out Switch 250ºF (Upgrade)

011733F

011733F

011733F

011733F

14-M

Texas Code Option (ASME Only) - Units manufactured prior to 12/2019

Flanged Connection (Not Shown)

015889F

015889F

015889F

015889F

NPT Connection (Shown)

015890F

015890F

015890F

015890F

18-M

T & P Gauge

014647F

014647F

014647F

014647F

19-M

2" CPVC Connector (Outlet Plumbing)

NPT Connection

013795F

013795F

013795F

013795F

Flanged Connection

015883F

015883F

015883F

015883F

20-M

2" CPVC Connector & Nut (2)

006723F

006723F

006723F

006723F

21-M

O Ring (2)

006724F

006724F

006724F

006724F

15-M

PC Board Shield (Optional)

015557F

015557F

015557F

015557F

25-M

Gas Line Finish Flange

016160F

016160F

016160F

016160F

P

PILOT

1-P

Pilot Nat. IID Low Nox

010232F

010232F

010232F

010232F

2-P

Pilot Electrode

N/A

N/A

N/A

N/A

3-P

Pilot Mounting Bracket 

010233F

010234F

010235F

010236F

4-P

Pilot Tube

011926F

011926F

011926F

011926F

5-P

Hi Tension Wire IID 

010349F

010349F

010349F

010349F

6-P

Adapter Nut (Metric)

011927F

011927F

011927F

011927F

Summary of Contents for 207A

Page 1: ...other appliance To do so may result in an explosion or fire 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 Immed...

Page 2: ...See page 15 for flow rate values GAS Distance to regulator pipe lengths and gas inlet sizes See page 14 Required pressure for Natural Gas Min 5 WC Max 10 5 WC Sediment trap is required for all install...

Page 3: ...ve 17 Auxiliary Bypass Valve Adjustment 17 Pressure Relief Valve Installation 17 Plumbing Diagram 18 Heat Exchanger Reversal 19 5 ELECTRICAL WIRING 19 Electrical Power Draw 20 Transformer Wiring 20 6...

Page 4: ...uld cause severe personal injury death or substantial property damage if ignored ACAUTION Indicates the presence of hazards or unsafe practices which could cause minor personal injury or product or pr...

Page 5: ...and dissolved solids in the water become too high scale NOTE It is recommended that the pump be run at least 5 minutes after the heater has been turned off This helps in taking away residual heat from...

Page 6: ...eet 1524 m elevation For elevations above 5 000 feet 1524 m consult the factory F10639 1 THE MODEL AND SERIAL NO CAN ALSO BE FOUND INSIDE THE BEZEL ABOVE THE DISPLAY MODEL AND SERIAL NO LOCATED ON RAT...

Page 7: ...n side This will enable the heater to be serviced in its installed location that is without movement or removal of the heater Clearances less than these may require removal of the heater to service ei...

Page 8: ...learances to Protected Surfaces Heaters must not be installed under an overhang of less than three 3 0 9 m from the top of the heater Three sides must be open in the area under the overhang Roof water...

Page 9: ...edition of the National Fuel Gas Code U S ANSI Z223 1 or Canada CAN CSA B149 and any local codes that may have jurisdiction The most common approach is the 2 opening method with combustion air opening...

Page 10: ...hor Bracket Use hole closest to unit 4 total 2 x 6 x 1 8 Pallet Anchor Bracket 4 Total Kit 011636 1 4 x 1 3 4 S S Tapcon Bolt and Washer Field Supplied NOTE Use hole closest to unit with washer overla...

Page 11: ...48 13 0 330 10 5 8 270 3 4 2 219 99 238 108 19 8 6 399L 399 116 9 29 737 9 229 58 1 2 1486 14 5 368 12 1 2 318 3 4 2 237 108 N A 21 9 5 407A 256 116 Table G Heater Specifications and Dimensions Specif...

Page 12: ...2 4 m Vent stack shall be at least 5 1 5 m in vertical height above the drafthood outlet The vent cap location shall have a minimum clearance of 4 1 2 m horizontally from and in no case below unless a...

Page 13: ...re under load and no load conditions must be provided for natural gas Gas Pressure Regulator The gas pressure regulator is preset at 3 1 in WC for natural gas The pressure at the gas valve taken with...

Page 14: ...1 1 4 1 1 2 2 20 75 100 378 266L 267A 1 1 4 1 1 2 2 25 95 100 378 337A 1 1 4 1 1 2 2 35 132 100 378 399L 407A 1 1 4 1 1 2 2 40 151 100 378 When flow rates exceed maximum GPM an external auxiliary byp...

Page 15: ...ction can be ordered that will allow a standard ASME unit to comply with the code requirements ProTek Shield Assembly This heater is equipped with a ProTek Shield Assembly located under the inlet conn...

Page 16: ...eratures well below accelerated scaling temperatures F10725 GASKET UG PLUG UNITHERM GOVERNOR Figure 20 Unitherm Governor Polymer F10642 2 UG BYPASS ASSY UNITHERM GOVERNOR Figure 21 Unitherm Governor B...

Page 17: ...tlet and run to a safe place of discharge Drain pipe must be the same size as the valve discharge connection throughout its entire length and must pitch downward from the valve No shutoff valve shall...

Page 18: ...IPING SYSTEM BY A PROFESSIONAL ENGINEER Figure 29 Single Pool Heater Installation THIS DIAGRAM IS A RECOMMENDATION AND IS NOT INTENDED TO REPACE AN ENGINEERED PIPING SYSTEM BY A PROFESSIONAL ENGINEER...

Page 19: ...ch access panels to the opposite sides For instructions on reversing the heat exchanger connections on ASME models call your factory representative 5 ELECTRICAL WIRING NOTE If it is necessary to repla...

Page 20: ...LACK BLACK BLACK GREEN GREEN WHITE WHITE WHITE GROUND Figure 32 120 VAC Wire Connection Models 240 VAC Wiring For 240 VAC input power to the unit connect the black wire to the L1 or hot leg of the pow...

Page 21: ...21 6 WIRING DIAGRAM...

Page 22: ...l panel 3 Rotate control panel down until panel stops Do not force NOTE Caution must be used to not damage controls or wiring F10647 3 KNURLED SCREW Figure 36 Knurled Screw Location Control Adjustment...

Page 23: ...d UP buttons simultaneously for 3 to 5 seconds The heater will continue to operate while in the Service Menu The first screen displayed is the Flame Strength indicator which indicates the pilot flame...

Page 24: ...mum Adjustment Refer to step one above to access the program screen Press the MODE button until SPA MAX TEMP appears on the digital display Using the UP and DOWN buttons will change the Maximum Temper...

Page 25: ...t clear Clock Fireman Sw Time clock fireman switch circuit is open Low Temp Lockout Water temperature below 36 F 2 C Table N Heater Status Messages Active Faults The following conditions are displayed...

Page 26: ...Heating in the POOL Mode Heating in the SPA Mode Remote Mode Figure 45 Remote Control Menu Remote Operation Activating the Remote To activate or deactivate the remote function 1 Press and hold the UP...

Page 27: ...e nut on unused wire to the Remote Interface Harness 7 Install the 7 Pin Remote Interface Harness to the P8 connector and turn power ON to the heater See Figure 48 For activation of the remote control...

Page 28: ...ure switch is closed use a multimeter to check If the pressure switch fails to close either the switch setting is too high or not enough pressure is being supplied by the filter pump 4 Turn the heater...

Page 29: ...imit Switches High Limit Removal 1 Shut off main electrical power switch to heater 2 Remove inlet outlet sheet metal access panel 3 Remove defective high limit and replace with the correct new high li...

Page 30: ...combustion blower to blower box 6 Reverse above procedure to reinstall Heat Exchanger Removal 1 Shut water gas and electricity off close valves and relieve pressure then remove relief valve Remove si...

Page 31: ...cleaning spills use wet sweeping or High Efficiency Particulate Air HEPA filtered vacuum to minimize airborne dust Use feasible engineering controls such as local exhaust ventilation or dust collecti...

Page 32: ...ating occur or the gas supply fail to shut off turn off the manual gas control to the appliance Visual Inspection Flames can be observed through the opening below the plenum Flame color is blue and ev...

Page 33: ...nd to replace any part of the control system and any gas control which has been under water 1 STOP Read the safety information above 2 Set the thermostat to the lowest setting 3 Turn off all electrica...

Page 34: ...y look to see if the filter pressure is higher than usual 4 The pump may have lost its prime and be running dry Check the pressure on the filter If there is no pressure then you are not moving water o...

Page 35: ...lazy flame Low gas pressure Adjust gas pressure Insects or debris clogging burner intake ports Clean burners Outer jacket very hot paint blistered Broken refractory caused by shipping damage or improp...

Page 36: ...en PC board and pilot operator on gas control Check for 24 VAC across PV MV PV terminals on PC board If voltage is okay replace gas control if not replace PC board NOTE If PC board goes into lockout r...

Page 37: ...15 21 27 32 38 41 Resistance k 261 1 199 0 153 1 118 8 93 0 73 3 58 3 51 0 If okay replace Circuit Board Sensor Failure Inspect thermistor wires and connector at Terminal P1 Check resistance value of...

Page 38: ...ent under standard company warranties must be properly tagged with a return parts tag completely filled in with the heater serial number model number etc and shipped to the Company freight prepaid If...

Page 39: ...C 8 C 14 S 15 M 25 M 20 HP 3 V 1 V 2 V 9 M I S I3 S 2 S 5 HP 4 HP 7 HP 6 HP I2 S 6 HP I5 HP 3 HP 7 S 4 S 17 HM 11 S 4 C 6 M 8 S 8 M 7 M 3 S 3 B 4 B 1 G 10 S 1 B 2 B 2 M 3 J 10 M 6 B 5 B 7 C 1 J 4 S 5...

Page 40: ...AVAILABLE ON ASME HEATERS UNTIL END Q3 2020 FOR UNITS WITH ASME CAST IRON HEADERS PRIOR TO 12 2019 16 HM 15 HM 12 HM 9 HM 10 HM 2 C 6 M 11 HM 8 HM OPTIONAL 1 M 3 C 6 C 5 HM 17 HM 14 HM 13 HM 2 HM 4 H...

Page 41: ...EK ADPTER AND POLYMER UNITS PRIOR TO 10 2019 6 M 17 HP 14 HP INLET 13 HP 2 HP 10 HP 12 HP 11 HP 16 HP 1 C 1 M 6 C 19 HP 19 HP 8 HP 15 HP 18 HP OPTIONAL 18 HP 23 M OUTLET 24 M 29 HM 27 HM 22 M 26 HM 24...

Page 42: ...7 2013 thru 9 2019 006827F 006827F 006827F 006827F Inlet Outlet Header Includes 6 HP Units manufactured from 10 2019 017965F 017965F 017965F 017965F Units manufactured from 7 2013 thru 9 2019 014648F...

Page 43: ...o 12 2019 010055F 006733F 010057F 010058F Tube Bundle Cupronickel ASME Units manufactured from 12 2019 017978F 017979F 017980F 017981F Units manufactured prior to 12 2019 010368F 010369F 010370F 01037...

Page 44: ...87F 9 M Gasket Insulation Swaybrace Jacket Top 010350F 010350F 010350F 010350F 10 M Blower Air Pressure Switch Sample Tube 010348F 010348F 010348F 010348F 11 M Touch up Paint Green 750125 750125 75012...

Page 45: ...Header 010311F 010311F 010311F 010311F Access Panel Set ASME Access Panel Set 3 Pcs for BR Header from 12 2019 017967F 017967F 017967F 017967F Access Panel Set 3 Pcs for CI Header prior to 12 2019 01...

Page 46: ...46 NOTES...

Page 47: ...47 NOTES...

Page 48: ......

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