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PrecisionTemp PT-200FT Service Manual

Gas booster heaters
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PT-200FT, PT-200RC & PT-56
Warning: If the information in this service pack 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.
IF YOU SMELL GAS:
Do not try to light any appliance.
Do 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 department.
Installation and service must be performed by a qualified installer, service agency or gas
supplier.
Should overheating occur or the gas supply fails to shut off, turn off the manual gas control
valve at the appliance.
Do not use this appliance if any part has been under water. Immediately call a qualified
service technician to inspect the appliance and to replace any part of the control system and
any gas control that has been under water.
Rev 8/2014
PrecisionTemp, Inc • 11 Sunnybrook Drive • Cincinnati, Ohio, 45237 • 1-800-934-9690 •
fax 513-641-0733
Service Manual
Gas Booster Heaters
ANSI Z21.10.3
CAN 1-43 – M85
1
NSF 5e- 2000

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Summary of Contents for PrecisionTemp PT-200FT

  • Page 1 Rev 8/2014 PrecisionTemp, Inc • 11 Sunnybrook Drive • Cincinnati, Ohio, 45237 • 1-800-934-9690 • fax 513-641-0733...
  • Page 2 PrecisionTemp’s warranty. CALL BEFORE SERVICING M-F 9am-5:30pm ET 800-934-9690 or 513-641-4446 After Hours tech calls M-F 6-9pm ET and Saturdays 9am-3pm ET 513-373-8357 Rev 8/2014 PrecisionTemp, Inc • 11 Sunnybrook Drive • Cincinnati, Ohio, 45237 • 1-800-934-9690 • fax 513-641-0733...
  • Page 3 SB-20 PT-56 Testing Procedure • Thermistor Calibration Chart • Replacement Parts List • Preventative Maintenance Schedule Installation Manual • • Factory Authorized Startup Procedure Rev 8/2014 PrecisionTemp, Inc • 11 Sunnybrook Drive • Cincinnati, Ohio, 45237 • 1-800-934-9690 • fax 513-641-0733...
  • Page 4 PrecisionTemp service labor rate schedule on work performed during regular business hours. Overtime premiums will not be paid by PrecisionTemp. The length of the warranty on any warranty replacement item will be the lesser of ninety (90) days or unexpired portion of the original warranty. Outside the Unites States and Canada, the Company liability is limited to the replacement of the warranted part as specified by the time periods and conditions above.
  • Page 5 Rev 8/2014 PrecisionTemp, Inc • 11 Sunnybrook Drive • Cincinnati, Ohio, 45237 • 1-800-934-9690 • fax 513-641-0733...
  • Page 6 Warranty” for full terms. To Make a Warranty Claim 1) Contact PrecisionTemp prior to going to the service site. When the technician arrives at the service location, he must call PrecisionTemp @ 513-641-4446 or 800-934-9690. NO work should be performed prior to calling PrecisionTemp for a work authorization number.
  • Page 7 This does not imply that PrecisionTemp guarantees the performance of this service or is responsible for the charges. PrecisionTemp will not pay for additional time required to gain access to its equipment or for the technician not being given access to equipment in a reasonable time-frame.
  • Page 8 Parts replaced on units not covered by basic product warranty have a parts only warranty with NO labor coverage for a period of 90 days from the date of installation. Rev 8/2014 PrecisionTemp, Inc • 11 Sunnybrook Drive • Cincinnati, Ohio, 45237 • 1-800-934-9690 • fax 513-641-0733...
  • Page 9 ▬ 2412 DSI Board 2416 Flow Meter Gaskets 0.20 ▬ 1841 200 Control Bd. & Microprocessor 0.50 ▬ ACAL Automatic Calibration ▬ ▬ Rev 8/2014 PrecisionTemp, Inc • 11 Sunnybrook Drive • Cincinnati, Ohio, 45237 • 1-800-934-9690 • fax 513-641-0733...
  • Page 10 If this cannot be accomplished, the pipe must be insulated or a recirculation system 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, and service instructions c.
  • Page 11 Rev 8/2014 PrecisionTemp, Inc • 11 Sunnybrook Drive • Cincinnati, Ohio, 45237 • 1-800-934-9690 • fax 513-641-0733...
  • Page 12 Pressure Switch # 2937 Illustration # 200-3226 Illustration # 200-2937 Ignition Board pedestal #3166 DSI Ignition Board #3158 Illustration # 200-3166 Illustration # 200-3158 Rev 8/2014 PrecisionTemp, Inc • 11 Sunnybrook Drive • Cincinnati, Ohio, 45237 • 1-800-934-9690 • fax 513-641-0733...
  • Page 13 Rev 8/2014 PrecisionTemp, Inc • 11 Sunnybrook Drive • Cincinnati, Ohio, 45237 • 1-800-934-9690 • fax 513-641-0733...
  • Page 14 Rev 8/2014 PrecisionTemp, Inc • 11 Sunnybrook Drive • Cincinnati, Ohio, 45237 • 1-800-934-9690 • fax 513-641-0733...
  • Page 15 Rev 8/2014 PrecisionTemp, Inc • 11 Sunnybrook Drive • Cincinnati, Ohio, 45237 • 1-800-934-9690 • fax 513-641-0733...
  • Page 16 Rev 8/2014 PrecisionTemp, Inc • 11 Sunnybrook Drive • Cincinnati, Ohio, 45237 • 1-800-934-9690 • fax 513-641-0733...
  • Page 17 Rev 8/2014 PrecisionTemp, Inc • 11 Sunnybrook Drive • Cincinnati, Ohio, 45237 • 1-800-934-9690 • fax 513-641-0733...
  • Page 18 Rev 8/2014 PrecisionTemp, Inc • 11 Sunnybrook Drive • Cincinnati, Ohio, 45237 • 1-800-934-9690 • fax 513-641-0733...
  • Page 19 Rev 8/2014 PrecisionTemp, Inc • 11 Sunnybrook Drive • Cincinnati, Ohio, 45237 • 1-800-934-9690 • fax 513-641-0733...
  • Page 20 The PT-200FT is designed to be installed close to the dish machine. The National Sanitation Foundation stipulates that if a booster heater that is located further than five feet from the dishmachine, then it requires a recirculation system be fitted.
  • Page 21 PT-200RC (Recirculating) Design and Sequence of Operation The PT-200RC gas booster heater is designed for use when a PT-200FT (Flow through) cannot be used. It is for use when the booster must be remotely located from the dishmachine. The National Sanitation Foundation requires any booster that is not located within 5 feet of the dishmachine must have a recirculation system installed.
  • Page 22 Cooler make-up water enters through the bottom tank fitting. • Burner will cycle on and off as the warewasher draws hot rinse water from the stainless tank. Rev 8/2014 PrecisionTemp, Inc • 11 Sunnybrook Drive • Cincinnati, Ohio, 45237 • 1-800-934-9690 • fax 513-641-0733...
  • Page 23 Rev 8/2014 PrecisionTemp, Inc • 11 Sunnybrook Drive • Cincinnati, Ohio, 45237 • 1-800-934-9690 • fax 513-641-0733...
  • Page 24 Rev 8/2014 PrecisionTemp, Inc • 11 Sunnybrook Drive • Cincinnati, Ohio, 45237 • 1-800-934-9690 • fax 513-641-0733...
  • Page 25 Rev 8/2014 PrecisionTemp, Inc • 11 Sunnybrook Drive • Cincinnati, Ohio, 45237 • 1-800-934-9690 • fax 513-641-0733...
  • Page 26 Rev 8/2014 PrecisionTemp, Inc • 11 Sunnybrook Drive • Cincinnati, Ohio, 45237 • 1-800-934-9690 • fax 513-641-0733...
  • Page 27 Rev 8/2014 PrecisionTemp, Inc • 11 Sunnybrook Drive • Cincinnati, Ohio, 45237 • 1-800-934-9690 • fax 513-641-0733...
  • Page 28 Rev 8/2014 PrecisionTemp, Inc • 11 Sunnybrook Drive • Cincinnati, Ohio, 45237 • 1-800-934-9690 • fax 513-641-0733...
  • Page 29 Rev 8/2014 PrecisionTemp, Inc • 11 Sunnybrook Drive • Cincinnati, Ohio, 45237 • 1-800-934-9690 • fax 513-641-0733...
  • Page 30 Rev 8/2014 PrecisionTemp, Inc • 11 Sunnybrook Drive • Cincinnati, Ohio, 45237 • 1-800-934-9690 • fax 513-641-0733...
  • Page 31 Rev 8/2014 PrecisionTemp, Inc • 11 Sunnybrook Drive • Cincinnati, Ohio, 45237 • 1-800-934-9690 • fax 513-641-0733...
  • Page 32 Rev 8/2014 PrecisionTemp, Inc • 11 Sunnybrook Drive • Cincinnati, Ohio, 45237 • 1-800-934-9690 • fax 513-641-0733...
  • Page 33 Rev 8/2014 PrecisionTemp, Inc • 11 Sunnybrook Drive • Cincinnati, Ohio, 45237 • 1-800-934-9690 • fax 513-641-0733...
  • Page 34 Rev 8/2014 PrecisionTemp, Inc • 11 Sunnybrook Drive • Cincinnati, Ohio, 45237 • 1-800-934-9690 • fax 513-641-0733...
  • Page 35 These codes indicate the type of malfunction. Consult the corresponding service bulletin in the service manual or call PrecisionTemp at 1-800- 934-9690 for corrective action. Prior to calling, ensure that you have the booster heater serial number and software version on hand.
  • Page 36 Red and green LEDs flashing together Lock out after 10 ignition attempts. Turn booster power switch off, wait 15 seconds and turn back on. Rev 8/2014 PrecisionTemp, Inc • 11 Sunnybrook Drive • Cincinnati, Ohio, 45237 • 1-800-934-9690 • fax 513-641-0733...
  • Page 37 7. Verify that the green LED is flashing; ensure proper operation by running several racks through the dish machine. Kit Parts List: AS 1897 12v DC Power supply assembly Reference Illustrations: None Rev 8/2014 PrecisionTemp, Inc • 11 Sunnybrook Drive • Cincinnati, Ohio, 45237 • 1-800-934-9690 • fax 513-641-0733...
  • Page 38 PT-200 ignites and the modulating gas valve ramps up to high fire. Kit Parts List: AS 1613 24v DC Power supply assembly Reference Illustrations: None Rev 8/2014 PrecisionTemp, Inc • 11 Sunnybrook Drive • Cincinnati, Ohio, 45237 • 1-800-934-9690 • fax 513-641-0733...
  • Page 39 6. After adjusting the pressure switch, replace front cover and run several racks through the dish machine to verify proper adjustment of the pressure switch. Parts Kit: None Reference Illustrations: 200-6 & 200-2937 Rev 8/2014 PrecisionTemp, Inc • 11 Sunnybrook Drive • Cincinnati, Ohio, 45237 • 1-800-934-9690 • fax 513-641-0733...
  • Page 40 (9098 series is for PT-200RC & PT-56, 9097& 9099 series is for PT-200) EL 1325 Standoffs (already installed in board) AS 1841- Circuit board Reference Illustrations: 200-14 Rev 8/2014 PrecisionTemp, Inc • 11 Sunnybrook Drive • Cincinnati, Ohio, 45237 • 1-800-934-9690 • fax 513-641-0733...
  • Page 41 9099 software is for the OR Flow Through model, current version available 9099D or T (2-3 gpm rinse cycle) 9098 software is for the Recirculation model, current version available 9098O (recirculation) Rev 8/2014 PrecisionTemp, Inc • 11 Sunnybrook Drive • Cincinnati, Ohio, 45237 • 1-800-934-9690 • fax 513-641-0733...
  • Page 42 Rev 8/2014 PrecisionTemp, Inc • 11 Sunnybrook Drive • Cincinnati, Ohio, 45237 • 1-800-934-9690 • fax 513-641-0733...
  • Page 43 7. Turn power ON and verify that the unit ignites properly and that spark is affected for maximum of 5 seconds. Parts Kit: Reference Illustrations: 200-10 Spark Ignition and Probe Rev 8/2014 PrecisionTemp, Inc • 11 Sunnybrook Drive • Cincinnati, Ohio, 45237 • 1-800-934-9690 • fax 513-641-0733...
  • Page 44 Kit Parts List: P/N 3158 Direct Spark Ignition (DSI) board (#3166 bracket if required) Reference Illustrations: 200-3158 & 200-3166 Rev 8/2014 PrecisionTemp, Inc • 11 Sunnybrook Drive • Cincinnati, Ohio, 45237 • 1-800-934-9690 • fax 513-641-0733...
  • Page 45 If the unit does not operate correctly or gas flow varies excessively repeat the procedure. Kit Parts List: None Reference Illustrations: Figure 200-14 Control Board Rev 8/2014 PrecisionTemp, Inc • 11 Sunnybrook Drive • Cincinnati, Ohio, 45237 • 1-800-934-9690 • fax 513-641-0733...
  • Page 46 If the unit does not operate normally or gas flow varies excessively repeat the procedure. Kit Parts List: None Reference Illustrations: Figure 200-14 View of Control Board Rev 8/2014 PrecisionTemp, Inc • 11 Sunnybrook Drive • Cincinnati, Ohio, 45237 • 1-800-934-9690 • fax 513-641-0733...
  • Page 47 Kit Parts List: None Reference Illustrations: 200-14 Electronic Control board Rev 8/2014 PrecisionTemp, Inc • 11 Sunnybrook Drive • Cincinnati, Ohio, 45237 • 1-800-934-9690 • fax 513-641-0733...
  • Page 48 8. Wait at least 20 seconds, and replace jumper on the circuit board. 9. Turn power on and check the unit for normal operation. Parts Kit List: None Reference Illustrations: 200-14 Electronic Control board Rev 8/2014 PrecisionTemp, Inc • 11 Sunnybrook Drive • Cincinnati, Ohio, 45237 • 1-800-934-9690 • fax 513-641-0733...
  • Page 49 10. After completing Auto Calibration procedure, lock the dish machine into rinse mode and check for normal operation. Kit Parts List: Modulating Valve assembly Reference Illustrations: 200-12 Rev 8/2014 PrecisionTemp, Inc • 11 Sunnybrook Drive • Cincinnati, Ohio, 45237 • 1-800-934-9690 • fax 513-641-0733...
  • Page 50 3. Check the water temperature on digital display of booster heater or at temperature gauge on dish machine and adjust as necessary. Kit Parts List: None Reference Illustrations: 200-14 Electronic Control Board Rev 8/2014 PrecisionTemp, Inc • 11 Sunnybrook Drive • Cincinnati, Ohio, 45237 • 1-800-934-9690 • fax 513-641-0733...
  • Page 51 9. Turn the power on to the booster heater. If the fan comes on, replace the relay. If the fan does not come on, replace the blower fan. Kit Part List: None Reference Illustrations: 200-14 Electronic Control Board Rev 8/2014 PrecisionTemp, Inc • 11 Sunnybrook Drive • Cincinnati, Ohio, 45237 • 1-800-934-9690 • fax 513-641-0733...
  • Page 52 It may take several ignition attempts to purge all the air from the refitted gas line. Kit Parts List: PT-200 & PT-56 Solenoid Valve Reference Illustrations: 200-9 Combination Gas Valve Rev 8/2014 PrecisionTemp, Inc • 11 Sunnybrook Drive • Cincinnati, Ohio, 45237 • 1-800-934-9690 • fax 513-641-0733...
  • Page 53 Flowmeter only) and tighten union nuts (do not over tighten 3226 Flowmeter union nuts). e. Replace access panel. Test Parts Kit List: 2354 or 3226 Flowmeter Illustrations: 200-3226 & 200-4 Rev 8/2014 PrecisionTemp, Inc • 11 Sunnybrook Drive • Cincinnati, Ohio, 45237 • 1-800-934-9690 • fax 513-641-0733...
  • Page 54 Be sure to check all gas fittings with approved leak test solution before restarting the PT-200/56. Kit Parts List: None Reference Illustrations: 200-12 Gas Modulation Valve 200-9 Combination Gas Valve Rev 8/2014 PrecisionTemp, Inc • 11 Sunnybrook Drive • Cincinnati, Ohio, 45237 • 1-800-934-9690 • fax 513-641-0733...
  • Page 55 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 Rev 8/2014 PrecisionTemp, Inc • 11 Sunnybrook Drive • Cincinnati, Ohio, 45237 • 1-800-934-9690 • fax 513-641-0733...
  • Page 56 Kit Parts List: 1436 T-in Thermistor Assembly Kit 1437 T-out Thermistor Assembly Kit Reference Illustrations: 200-13 Thermistor Harness Rev 8/2014 PrecisionTemp, Inc • 11 Sunnybrook Drive • Cincinnati, Ohio, 45237 • 1-800-934-9690 • fax 513-641-0733...
  • Page 57 "volts" column on the "Thermistor Calibration" chart. The corresponding temperature is the column to the left of the volt reading. Kit Parts List: None Reference Illustrations: 200-14 Electronic Control Board Rev 8/2014 PrecisionTemp, Inc • 11 Sunnybrook Drive • Cincinnati, Ohio, 45237 • 1-800-934-9690 • fax 513-641-0733...
  • Page 58 Rev 8/2014 PrecisionTemp, Inc • 11 Sunnybrook Drive • Cincinnati, Ohio, 45237 • 1-800-934-9690 • fax 513-641-0733...
  • Page 59 Also, check for water leaks. If necessary, prime the pump (see SM56-12). 19. Perform a test of the unit using steps 3, 5, and 6 of SM56-13 ‘Testing the PT56’. Rev 8/2014 PrecisionTemp, Inc • 11 Sunnybrook Drive • Cincinnati, Ohio, 45237 • 1-800-934-9690 • fax 513-641-0733...
  • Page 60 Refer to the installation instructions if needed, regarding filling and turning on power. 30. Turn on power and check for proper operation. Rev 8/2014 PrecisionTemp, Inc • 11 Sunnybrook Drive • Cincinnati, Ohio, 45237 • 1-800-934-9690 • fax 513-641-0733...
  • Page 61 9. Fail T-mid thermistor by disconnecting the 2-pin connector. Verify that gas flow is shutoff and the maintenance code is one on the red LED. 10. Verify that the unit does not leak water. Rev 8/2014 PrecisionTemp, Inc • 11 Sunnybrook Drive • Cincinnati, Ohio, 45237 • 1-800-934-9690 • fax 513-641-0733...
  • Page 62 PT-200 Pressure Relief 3/4" X 3/4" Pressure only 150PSI 1765 Ignition Cable for PT-200 & PT-56 (Mod. As 1412) 1827 DSI Wiring Harness 1875 Blower Assembly for PT-200 Rev 8/2014 PrecisionTemp, Inc • 11 Sunnybrook Drive • Cincinnati, Ohio, 45237 • 1-800-934-9690 • fax 513-641-0733...
  • Page 63 Dinosaur DSI Board 1497 PT-56 DSI Harness 1827 PT-200 DSI Harness 3186 PT-200 Complete Wiring Harness 1329 PT-200 Thermistor Harness PT-200 FT or OR models Rev 8/2014 PrecisionTemp, Inc • 11 Sunnybrook Drive • Cincinnati, Ohio, 45237 • 1-800-934-9690 • fax 513-641-0733...
  • Page 64 PT-56 LPG Burner & Manifold Assy 1819 PT-56 NG Burner & Manifold Assy 1463 PT-200 Solenoid Valve NG Robertshaw 1663-0 PT-200 Solenoid Valve LPG Robertshaw Rev 8/2014 PrecisionTemp, Inc • 11 Sunnybrook Drive • Cincinnati, Ohio, 45237 • 1-800-934-9690 • fax 513-641-0733...

  • Page 65: Preventive Maintenance

    12. Perform dish machine maintenance, clean strainer screen, rinse nozzles and inspect rinse arm gaskets if applicable. * = Weekly **= Monthly *** = Quarterly ****= Annual Rev 8/2014 PrecisionTemp, Inc • 11 Sunnybrook Drive • Cincinnati, Ohio, 45237 • 1-800-934-9690 • fax 513-641-0733...

This manual is also suitable for:

Pt-200rcPt-56