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User Manual

User Manual

User Manual

User Manual

User Manual

The Professional’s

The Professional’s

The Professional’s

The Professional’s

The Professional’s

Choice

Choice

Choice

Choice

Choice

Sealed Unit Parts Co., inc.

PO Box 21 • 2230 Landmark Place • Allenwood, NJ USA

Summary of Contents for SMARTESTER

Page 1: ...User Manual User Manual User Manual The Professional s The Professional s The Professional s The Professional s The Professional s Choice Choice Choice Choice Choice Sealed Unit Parts Co inc PO Box 21 2230 Landmark Place Allenwood NJ USA ...

Page 2: ...SmarTester 9 VOLT BATTERY REQUIRED NOT INCLUDED REMOVE RUBBER BOOT TO ACCESS BATTERY COMPARTMENT ...

Page 3: ...onnectors or interface cable In cases where equipment wires are to be removed for testing always label them prior to disconnection Wiring errors can cause improper and dangerous operation of the equipment Always refer to the equipment manual provided by the manufacturer prior to servicing any equipment Always make sure all power to the system being tested is off plug the interface cable into the S...

Page 4: ...ially Blocked Vent Pressure Switch Air flow Limit Intermittent problems Preventative Maintenance Proper Sequence of Operation Timing of Ignition Warm Up Fan Timer etc Detects intermittent problems in the thermostat circuit Detects a quick drop out of pressure switch Can measure accuracy of a pressure switch closing with the use of a manometer On polarized equipment detects reverse polarity on the ...

Page 5: ... while working with circuit boards electronics and a large number of wires 3 SmarTester Components The SUPCO SmarTester consists of three main components Combining them together provides an analyzer specific to standardized control board circuitry The SmarTester Instrument is the same for all control boards Smart Card Application Overlays Smart Interface Cables The SmartInterface Cables Overlays a...

Page 6: ... circuit in the interface cable is wired in parallel for passive diagnostics Each interface cable application is wired differently for each circuit board series Application wiring is done in the Interface Cable WR50 and HWSV interface cables are 46 long WR42 and WR42WC adapter cables are 10 long All connections are made with Molex style connectors to prevent an improper connection Smart Card Overl...

Page 7: ...terface Overlay HWSVC under the integral slots on the SmarTester Connect the Smart Valve Interface cable to the SmarTester Turn the thermostat all the way up If necessary carefully bypass blower door safety switch for TEMPORARY TESTING PURPOSES Unplug the Molex connectors from the valve Connect 2 of the HWSVC connectors to the valve and the other 2 to the appliance harness connectors Be sure to co...

Page 8: ...ndicating Operating Controls Open Circuit is lit this may include pressure switch thermostat vent damper rollouts limits and other controls as this system has all operating controls connected in series 3 If the red LED indicating Operating Controls Open Circuit is lit and the inducer motor does not start to run look for an open fuse on Board 3 2 Normal Sequence of Operation No call for heat Power ...

Page 9: ...reading If microAmps are weak clean the pilot and flame sensor for better reading Best if Flame Sensor is replaced 9 Record microAmp reading in customer record for future reference 10 After locating the problem always re check and cycle until unit is working properly 11 Remove bypass from blower door safety switch if bypassed 4 0 White Rodgers 50A50 and related Control circuits WR50 This SmartInte...

Page 10: ...upply to equipment again and the SmarTester 9 volt battery 4 2 Normal Sequence of Operation No call for heat Power LED Lit Polarity LED Lit MicroAmp Display Erratic Low All other LEDs off Call for heat Power LED Lit Polarity LED Lit MicroAmp Display Thermostat Closed LED Lit Pressure Switch Open LED Lit Inducer LED Lit Pressure Switch LED Off Ignitor LED Lit Main Valve EFT LED Lit Burner Ignition ...

Page 11: ...heck and cycle until unit is working properly 4 On some units the flame rollout safety is wired in series with the gas valve circuit If the gas valve LED is illuminated and the gas valve does not open check if there is a rollout in that circuit 5 If the burner goes out after short run and there are no red LEDs control board goes into retry and system re lights The equipment may do this several tim...

Page 12: ...50A 4 to 2 STVIDEO Instructional DVD WR42WC Adapter Cable 50A w Ground Clip STMANUAL Instruction Manual SCCP Soft Case STFC SmarTester Flow Chart ST50K SmarTester SISVK SmarTester Interface Kit WR50A Series Kit Smart Valve 1st Generation SV95XX Includes Includes ST100 SmarTester HWSVC Smart Card WR50C Smart Card 50A Series HWSV Smart Valve Cable WR5042C Smart Card 50A 4 to 2 SCCP Soft Case WR50 Ca...

Page 13: ...illustrate some of the possible scenarios With service knowledge and experience gained through use of the SmarTester many more troublesome service problems will become easily diagnosed WR50 Flow Chart Upon Connection of Cables and Line Voltage Applied to Appliance 11 ...

Page 14: ...ce flame sensor The diagnostics used in this chart illustrate some of the possible scenarios With service knowledge and experience gained through use of the SmarTester many more troublesome service problems will become easily diagnosed 12 ...

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Page 16: ...PO Box 21 2230 Landmark Place Allenwood NJ USA 732 223 6644 Fax 732 223 1617 www supco com info supco com p n 19204 ...

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