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PrecisionTemp PT-200FT, Руководство по обслуживанию

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PrecisionTemp PT-200FT Скачать руководство пользователя страница 55

Rev 8/2014 

PrecisionTemp, Inc • 11 Sunnybrook Drive • Cincinnati, Ohio, 45237 • 1-800-934-9690 • 
fax 513-641-0733                                        55 

 
 

SB-15     T-Mid Thermistor Change Procedure 

Model:

  PT-200FT, PT-200RC & PT-56 

 

Software version:

  All 

 

Tools required: 

9/16” Open end wrench

 

 

 

 

Adjustable wrench 

 

Process: 

1.  Turn power off and turn off water supply at shut off valve outside of the 

booster heater. 

 
2.  Remove old thermistor and disconnect from harness.  

CAUTION:

  Use 

two wrenches, one on the hex (9/16”) of the thermistor and an adjustable 
wrench on the hex located on the heat exchanger fitting.  Failure to do so 
may damage the heat exchanger. 

 
3.  Insert the end of the thermistor without electrical leads into the heat 

exchanger until the heat shrink (black) on the thermistor touches the fitting 
and tighten the fitting finger-tight.  The final tightening should be done 
using two wrenches as described in step 1. 

 

4.  Connect the thermistor to the wiring harness. 

 

5.  After installing the mid thermistor lock the dish machine into rinse mode 

and check for normal operation. If the booster outgoing temperature 
fluctuates more than 5 degrees from the set temperature perform the Auto 
Calibration procedure. 
 

6.  If the Auto Calibration (see SB-7) procedure is needed  be sure to use the 

AutoCal specific to your type of unit (Recirculating or Flow Through),  
check for correct software version.    
 
 

Parts Kit List: 

 

1854   T-Mid Thermistor 

 

 

CPI Fitting 

 

Reference Illustrations:   
 

200-13 

Thermistor Harness 

 
 

 
 
 
 
 

Содержание PT-200FT

Страница 1: ...not turn any electrical switch on or off Do not use the phone in your building Immediately call your gas supplier from a neighbor s phone If you cannot reach your gas supplier contact the fire depart...

Страница 2: ...r NO additional time reimbursements will be made without prior authorization All warranty parts must be returned within 15 days of completing repair return label supplied All warranty invoices must be...

Страница 3: ...er Supply Change Procedure o SB 1A 24 Volt Power Supply Change Procedure o SB 2 Pressure Switch Adjustment o SB 3 Circuit Board Replacement o SB 5 Igniter Change and Spark Gap Adjustment o SB 6 Direct...

Страница 4: ...RECISIONTEMP BE LIABLE FOR INCIDENTAL SPECIAL OR CONSEQUENTIAL DAMAGES SUCH AS LOSS OF USE OR INJURY TO OTHER PROPERTY LABOR COSTS OR LOST PROFITS RESULTING FROM USE OR INABILITY TO USE PRODUCT IN ORD...

Страница 5: ...this warranty This warranty does not cover any failures or operating problems due to abuse accident alteration of equipment improper installation negligence application of improper voltage or recalib...

Страница 6: ...M Eastern time call one of the above numbers in advance for the phone number of a PrecisionTemp technician to assist you after hours 2 If it is known in advance that a part is needed for the service t...

Страница 7: ...ed by the ware washer such as liming or defective solenoid valves Excessively long recirculation loops or undersized plumbing components Any problem that is a result of any of the above situations tha...

Страница 8: ...covered for a period of 90 days from the time of installation Parts replaced under the terms of basic product warranty are covered through the product warranty period or 90 days whichever is greater...

Страница 9: ...y 0 30 0 3 1615 Relay 12v DC Control 0 30 0 2 1616 Pressure Switch 0 30 0 2 0 2 1634 Pressure Reducing Valve Parts Only 1749 ECO 0 2 0 2 0 1 1752 Pressure Relief Valve Parts Only 1765 Ignition Wiring...

Страница 10: ...m be installed b PT 200OR 125 000BTU same as the PT 200FT it is used for newer low flow water conserving dishmachines Rinse flow rate 2 3gpm For service issues use the PT 200FT installation operation...

Страница 11: ...Rev 8 2014 PrecisionTemp Inc 11 Sunnybrook Drive Cincinnati Ohio 45237 1 800 934 9690 fax 513 641 0733 11...

Страница 12: ...ive Cincinnati Ohio 45237 1 800 934 9690 fax 513 641 0733 12 Turbine Flowmeter 3226 Pressure Switch 2937 Illustration 200 3226 Illustration 200 2937 Ignition Board pedestal 3166 DSI Ignition Board 315...

Страница 13: ...Rev 8 2014 PrecisionTemp Inc 11 Sunnybrook Drive Cincinnati Ohio 45237 1 800 934 9690 fax 513 641 0733 13...

Страница 14: ...Rev 8 2014 PrecisionTemp Inc 11 Sunnybrook Drive Cincinnati Ohio 45237 1 800 934 9690 fax 513 641 0733 14...

Страница 15: ...Rev 8 2014 PrecisionTemp Inc 11 Sunnybrook Drive Cincinnati Ohio 45237 1 800 934 9690 fax 513 641 0733 15...

Страница 16: ...Rev 8 2014 PrecisionTemp Inc 11 Sunnybrook Drive Cincinnati Ohio 45237 1 800 934 9690 fax 513 641 0733 16...

Страница 17: ...Rev 8 2014 PrecisionTemp Inc 11 Sunnybrook Drive Cincinnati Ohio 45237 1 800 934 9690 fax 513 641 0733 17...

Страница 18: ...Rev 8 2014 PrecisionTemp Inc 11 Sunnybrook Drive Cincinnati Ohio 45237 1 800 934 9690 fax 513 641 0733 18...

Страница 19: ...Rev 8 2014 PrecisionTemp Inc 11 Sunnybrook Drive Cincinnati Ohio 45237 1 800 934 9690 fax 513 641 0733 19...

Страница 20: ...d on to the black solid state relay that powers the power vent blower The relay closes the 110v AC contacts to start the blower Fluing is proofed by the clear vacuum tube that runs from the blower to...

Страница 21: ...ter temperature and sends a flow signal to the control board The green control board sends 12v DC through the brown wire to the pressure differential switch and on to the black solid state relay that...

Страница 22: ...lasting up to 5 5 seconds max each Ignition of the burner s center element is effected and the flame is proofed and monitored through the same yellow wire to the ignition module The green control boar...

Страница 23: ...Rev 8 2014 PrecisionTemp Inc 11 Sunnybrook Drive Cincinnati Ohio 45237 1 800 934 9690 fax 513 641 0733 23...

Страница 24: ...Rev 8 2014 PrecisionTemp Inc 11 Sunnybrook Drive Cincinnati Ohio 45237 1 800 934 9690 fax 513 641 0733 24...

Страница 25: ...Rev 8 2014 PrecisionTemp Inc 11 Sunnybrook Drive Cincinnati Ohio 45237 1 800 934 9690 fax 513 641 0733 25...

Страница 26: ...Rev 8 2014 PrecisionTemp Inc 11 Sunnybrook Drive Cincinnati Ohio 45237 1 800 934 9690 fax 513 641 0733 26...

Страница 27: ...Rev 8 2014 PrecisionTemp Inc 11 Sunnybrook Drive Cincinnati Ohio 45237 1 800 934 9690 fax 513 641 0733 27...

Страница 28: ...Rev 8 2014 PrecisionTemp Inc 11 Sunnybrook Drive Cincinnati Ohio 45237 1 800 934 9690 fax 513 641 0733 28...

Страница 29: ...Rev 8 2014 PrecisionTemp Inc 11 Sunnybrook Drive Cincinnati Ohio 45237 1 800 934 9690 fax 513 641 0733 29...

Страница 30: ...Rev 8 2014 PrecisionTemp Inc 11 Sunnybrook Drive Cincinnati Ohio 45237 1 800 934 9690 fax 513 641 0733 30...

Страница 31: ...Rev 8 2014 PrecisionTemp Inc 11 Sunnybrook Drive Cincinnati Ohio 45237 1 800 934 9690 fax 513 641 0733 31...

Страница 32: ...Rev 8 2014 PrecisionTemp Inc 11 Sunnybrook Drive Cincinnati Ohio 45237 1 800 934 9690 fax 513 641 0733 32...

Страница 33: ...Rev 8 2014 PrecisionTemp Inc 11 Sunnybrook Drive Cincinnati Ohio 45237 1 800 934 9690 fax 513 641 0733 33...

Страница 34: ...Rev 8 2014 PrecisionTemp Inc 11 Sunnybrook Drive Cincinnati Ohio 45237 1 800 934 9690 fax 513 641 0733 34...

Страница 35: ...pause pause pause Indicates T mid thermistor yellow wire has failed or is unplugged Booster heater will not operate correctly until problem is corrected Consult SB 15 or SB 17 to correct Two red flash...

Страница 36: ...the front of the electronics drawer behind the front access door These codes indicate the type of malfunction Alternating green and red flash Lost auto calibration or no auto calibration displays See...

Страница 37: ...ll the incorrect power supply it will damage the unit and void any warranty 3 Remove the 4 screws holding the power supply bracket and remove the power supply 4 On the new power supply find the wire t...

Страница 38: ...ire that has the Female socket Attach this lead to the Molex connector supplying the white power wire to the gas modulating valve The plain black lead with the Ring connector connects to the ground sc...

Страница 39: ...turn the adjustment screw on the pressure switch type may vary counter clockwise until the burner ignites 4 Disconnect the exhaust flue at the first joint outside the booster heater case Block flue e...

Страница 40: ...wer 5 Reconnect all connectors to the board CAUTION there are three two pin connectors Be sure that the power supply connector red and green wire goes to upper right corner red connector and the modul...

Страница 41: ...e Model PT 200FT PT 200RC PT 56 Software versions 9097 software is for the standard Flow Through model current version available 9097J or T 4 5 gpm rinse cycle 9099 software is for the OR Flow Through...

Страница 42: ...Rev 8 2014 PrecisionTemp Inc 11 Sunnybrook Drive Cincinnati Ohio 45237 1 800 934 9690 fax 513 641 0733 42...

Страница 43: ...ter see figure 200 10 3 Disconnect the ignition wire from the igniter 4 Using a Phillips screwdriver remove the two screws attaching the igniter to burner and remove 5 Install the new igniter and chec...

Страница 44: ...e the DSI board 4 Install the new DSI board and re attach the wire harnesses Be sure to route the yellow or black ignition wire separate from the other control harnesses If a new harness is supplied u...

Страница 45: ...2 Lock the dish machine in rinse mode Rinse MUST stay on for the entire procedure 3 Turn heater power on Green LED should flash and burner comes on to high burn and immediately drops back to low burn...

Страница 46: ...3 Lock the dish machine in rinse mode Rinse MUST stay on for the duration of this process 4 Place a magnet on the modulating gas line just right of the electrical coil and move it slowly towards the...

Страница 47: ...recirculating system is cooler than set temperature on booster under 140 F If unable to verify keep booster heater power off and run the dishmachine rinse 3 Turn booster heater power switch on The uni...

Страница 48: ...ter in recirculating system is cooler than set temperature on booster under 140 F If unable to verify keep booster heater power off and run the dishmachine rinse 3 Place magnet on modulating valve jus...

Страница 49: ...IONS BEING VERY CAREFUL NOT TO ALLOW ANY TO PENETRATE THE MODULATING VALVE CAVITY IF THIS IS NOT STRICTLY FOLLOWED IT WILL CAUSE THE MODULATING VALVE TO BECOME STICKY AND MALFUNCTION AND HEATER WILL N...

Страница 50: ...ws 1 Open access door of heater Open the electronic drawer The adjustment screw is located on a small blue block at the lower right corner of the electronics board see reference illustration 200 14 2...

Страница 51: ...the relay the relay will only be energized for 8 seconds after power is turned on 4 If power is present continue to next step If not please refer back to the troubleshooting guide 5 Switch your multi...

Страница 52: ...er heater 5 Remove all gas line plumbing between the gas valve and half union 6 Separate the union to the left of the modulating gas valve 7 Remove the combination gas valve and modulating gas valve f...

Страница 53: ...e a pause in the green LED with the rinse running the flow meter is not sensing flow or no water is passing through booster or you have a recirculating booster heater See PT 200RC troubleshooting diag...

Страница 54: ...booster heater back on 8 With your manometer and multi meter connected lock the dish machine into a rinse mode reconnect electrical power to the booster heater and turn the PT 200 56 on 9 At ignition...

Страница 55: ...the thermistor without electrical leads into the heat exchanger until the heat shrink black on the thermistor touches the fitting and tighten the fitting finger tight The final tightening should be do...

Страница 56: ...heat sink with the wire leads pointing down along the tube 5 Wrap metal tape around the tube and thermistor 6 Attach the wire tie Wrap the wire tie about 1 2 away from the thermistor head to hold the...

Страница 57: ...o the Thermistor Calibration table The black multi meter probe should go into the black test point and the red probe should go into the following test points Orange Red Test Point Outlet temperature T...

Страница 58: ...Rev 8 2014 PrecisionTemp Inc 11 Sunnybrook Drive Cincinnati Ohio 45237 1 800 934 9690 fax 513 641 0733 58...

Страница 59: ...S 1462 using the phillips screwdriver Remove the ten 10 screws attaching the case shroud AS 1462 to the base CS 1455 Remove the shroud 13 Open the two compression fittings PF 1547 from the step above...

Страница 60: ...pliers 24 Remove upper screw on the Power supply bracket and bend forward to help access pump flange bolts 25 Using a 5 8 wrench remove the four bolts from the two pump flanges Remove the pump 26 Ins...

Страница 61: ...output temperature in the table below and then go to the column that specifies the T set voltage Refer to section 4 11 Thermistor Checkout T mid T out for a description on how to read T set Outlet Te...

Страница 62: ...4 1465 3 Gallon Water Tank Stainless Steel Tank for PT 56 1467 3 8 Modulating gas valve PT 56 LPG 1473 PT 56 3 4 Pressure relief valve 215F 150 PSI 1496 Power wire harness to control board 1570 PT 56...

Страница 63: ...ure Switch normally open After 1 31 07 12VDC 2957 3 4 NG Modulating Gas Valve Assy PT 200 NG OR 3158 DSI Board 3166 DSI Board mounting pedestal 1489AF Grundfos pump UP 26 96 BF PT 200RC PT 56 1841 200...

Страница 64: ...513 641 0733 64 1495 PT 200RC PT 56 Thermistor Harness 2065 PT 200FT NG Burner Manifold Assy 2500 PT 200 OR NG Burner Manifold Assy 1777 PT 56 LPG Burner Manifold Assy 1819 PT 56 NG Burner Manifold A...

Страница 65: ...OR low flow booster during the dish machine rinse cycle 5 Inspect for clean combustion viewed through sight glass blue flame not yellow 6 Inspect exterior of copper heat exchanger for dark discolorati...

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