Railway Equipment 955 Operating Manual Download Page 1

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P/N R9550-0100 1 © 2018 RAILWAY EQUIPMENT CO.
REV I
11/18

OPERATING MANUAL

MODEL NO. 955 STANDARD

MODEL NO. 954 LOW PROFILE

3 HP

230V 1 PHASE

230V 1 PHASE AC DRIVE

460V/575V 3 PHASE

GAS FIRED HOT AIR BLOWER

TRACK SWITCH SNOW MELTER

WITH STEEL TIE DUCT

MANUFACTURED

RAILWAY EQUIPMENT COMPANY

15400 MEDINA ROAD

PLYMOUTH, MINNESOTA 55447

TEL. 763-972-2200

FAX. 763-972-2900

E-Mail:

Technical Support: [email protected]

Sales: [email protected]

Summary of Contents for 955

Page 1: ...ILE 3 HP 230V 1 PHASE 230V 1 PHASE AC DRIVE 460V 575V 3 PHASE GAS FIRED HOT AIR BLOWER TRACK SWITCH SNOW MELTER WITH STEEL TIE DUCT MANUFACTURED BY RAILWAY EQUIPMENT COMPANY 15400 MEDINA ROAD PLYMOUTH...

Page 2: ...STAND AND FOLLOW THESE INSTRUCTIONS SHOULD USE OR SERVICE THIS HEATER IF YOU NEED ASSISTANCE OR HEATER INFORMATION SUCH AS INSTRUCTION MANUALS LABELS ETC CONTACT THE MANUFACTURER CAUTION WARNING FIRE...

Page 3: ...for use as a construction heater under ANSI Z83 7 We cannot anticipate every use which may be made of our heaters CHECK WITH LOCAL FIRE SAFETY AUTHORITY IF YOU HAVE QUESTIONS ABOUT APPLICATIONS Other...

Page 4: ...M THEREFORE OPERATION MAY BEGIN UNEXPECTEDLY USE CAUTION WHEN IN THE AREA SYSTEM OPERATES WITH VARIOUS VOLTAGE LEVELS UP TO 600VAC CONTACT WITH ELECTRICITY CAN BE HAZARDOUS OR LETHAL MAKE SURE THAT TH...

Page 5: ...THE BURNER MAY BE UNABLE TO MAINTAIN COMBUSTION CONSULT RAILWAY EQUIPMENT COMPANY REGARDING BURNER OPERATING PARAMETERS TWO 2 COMPLETE INSTRUCTION MANUALS HAVE BEEN INCLUDED WITH THIS SNOW MELTER SYST...

Page 6: ...GAS CONNECTION 17 E CHANGING THE GAS ORIFICE 21 F ELECTRICAL CONNECTION 22 IV CONTROL MODULE 24 A DESCRIPTION 24 B SET UP AND ADJUSTMENTS 25 C LED STATUS INDICATING LIGHTS 33 D OPERATION 34 E FAULT CO...

Page 7: ...P N R9550 0100 7 2018 RAILWAY EQUIPMENT CO REV I 11 18 IX SPECIFICATIONS 45 X DRAWINGS 46 XI LIMITED WARRANTY 47...

Page 8: ...3HP Low Profile 955 3HP High Profile 960 2HP Bungalow Enclosed 963 5HP Bungalow Enclosed 2009 Gas Hot Air Blowers 2 13 09 TM INCOMING POWER 2 230VAC 1PH 3 230VAC 3PH 4 480VAC 3PH 5 575VAC 3PH 6 230VA...

Page 9: ...G Leaky gas valve detection H Automatic retry on flame loss I Automatic reset on flame safeguard control J All flame safeguard controls CSA listed 30 All components mounted and wired within main unit...

Page 10: ...TRANSFORMER Provides 6000VAC to the spark igniter during the ignition sequence 7 AIRFLOW SWITCH Located in the flame duct the pressure switch indicates proper airflow before and during burner operatio...

Page 11: ...nnects the flex duct to the tie outlet duct This duct provides an 8 offset and encloses the air mixer 4 TIE OUTLET DUCT The outlet duct extends under the rails in place of a tie and directs the airflo...

Page 12: ...ashers and hardware to provide isolation between the nozzles and the outlet duct Refer to drawing 9278 0021 for proper installation C OPTIONAL DUCTWORK 1 EXTENSION DUCTS Extension ducts of various len...

Page 13: ...P N R9550 0100 13 2018 RAILWAY EQUIPMENT CO REV I 11 18 INTENTIONALLY LEFT BLANK...

Page 14: ...hat the rails are directly above the tie plates Ensure that the tie duct is centered between the adjacent ties 4 Place a rubber pad on the tie plate then using a suitable lever raise one end of the ti...

Page 15: ...washer on each side of the blower base and a hex nut 6 Thread a hex nut about halfway onto each bolt 7 Place the blower unit on the foundation using a flat washer on the top and bottom of the foundati...

Page 16: ...lips to remove the three cover pieces The bottom can now be removed from the duct To assemble the splice a Center the bottom splice piece on the seam between the two track ducts b Connect the center c...

Page 17: ...45036 NOTE A propane package is available P N 9458 0100 that includes a 36 tank pigtail high pressure regulator gas line strainer gauge remote solenoid valve in a pole mount enclosure and a 4X4X8 pos...

Page 18: ...r fuel pressure If it can t be adjusted follow instructions listed below for changing the regulator spring b Turn power off and close manual gas valve c Remove the plug on top of the regulator d Turn...

Page 19: ...he ambient temperature from the point nozzle reading This temperature should not exceed 250 F for optimum efficiency o If the temperature is above 250 F adjust the gas pressure at the low pressure reg...

Page 20: ...P N R9550 0100 20 2018 RAILWAY EQUIPMENT CO REV I 11 18 INTENTIONALLY LEFT BLANK...

Page 21: ...1 2 to 3 4 of an inch b On the inlet left hand side of the gas assembly you need to remove the two bolts securing the gas valve assembly to the outside of the GHAB and loosen the U bolt c You can now...

Page 22: ...can be provided by a circuit closure applied between terminal posts TS1 1 and TS1 2 5 INDICATION Reply indication can be done two ways a Dry contact closure Terminal posts TS1 3 and TS1 4 will provide...

Page 23: ...nto the duct using the two bolts that were removed b Run conduit along duct work back to HAB enclosure connect connector to enclosure knock out tighten NOTE Cut conduit to length if needed c Run wires...

Page 24: ...nce Adjustable run timer for timed or continuous operation Adjustable snow detect timer for use with optional snow detector Operator control and indication Remote fault reset Audible tone before blowe...

Page 25: ...ease Values The Increase Values push button PB4 allows you to increase the values NOTE Values will be saved Decrease Values The Decrease Values push button PB5 allows you to decrease the values NOTE V...

Page 26: ...r C 4 FLAME CURRENT Flame current displays the actual flame current in micro amps while a flame is present 5 RAIL TEMP AND DUCT TEMP Rail temperature is the actual rail temperature in degrees F or C D...

Page 27: ...S VALVE LEAK AND PRESSURE FAULT Gas valve counter is total count of leaking gas valve faults Gas pressure low or high counter 5 DUCT PRESS FAULT AND VAP PRESS LOW Duct pressure fault counter is total...

Page 28: ...he unit will run until the run timer counts down to zero after which the unit will shut down and drop indication The unit can be restarted by removing the contact closure between TB2 1 and 2 then rein...

Page 29: ...lled should select high only Auto Off When rail temperature reaches the rail temp setpoint the GHAB will shut down When the rail temperature lowers to the ambient temperature setpoint the GHAB will st...

Page 30: ...from 250 to 650 volts 22 MOTOR VOLTAGE LOW SETPOINT This can be set from 150 to 550 volts 23 AC FREQUENCE HIGH SETPOINT This can be set from 0 to 100 Hz 24 AC FREQUENCE LOW SET POINT This can be set...

Page 31: ...nk heater 250 gallon increments up to 5 000 gallons No tank sensor should ALWAYS be selected UNLESS a tank sensor reporting to the module is installed Note Tank Size menu is only available if propane...

Page 32: ...ings To restore to factory default In the menu selection select FACTORY DEFAULTS and then press either the up or down mode button Next press either the increase or decrease value button to restore to...

Page 33: ...air stream is sensing adequate airflow 6 IGNITION On when the controller has enabled the output to the ignition transformer 7 HIGH GAS VALVE On when the controller has enabled the output to the high...

Page 34: ...e prepurge time is completed the gas valve opens the ignition turns on and the burner is monitored for a normal flame condition If a flame is not detected within 10 seconds the gas valve is closed the...

Page 35: ...wer is no longer called for 2 SAIL SWITCH OFF FAULT Sail switch off fault is set when blower is running and air flow switch is open After the fault is set the blower motor will run a 4 minute purge to...

Page 36: ...failure mode In this mode the blower continues to run the reply will also indicate a problem and the buzzer will sound The unit will lock out all other operations and will not be able to be reset exce...

Page 37: ...ng circuits a Check pressure sensor b Check 24V supply for battery backup c After problem is corrected leave power off for 30 seconds and fuse will reset 14 OVERTEMP FIX PROBLEM PRESS DECREASE Overtem...

Page 38: ...is caused when sensed current is 3 amps over motor name plate for 20 seconds Check motor for high current bad bearings obstruction in blower wheel 23 GAS PRESSURE LOW Gas pressure low is caused by sup...

Page 39: ...e ductwork 2 Inspect the track duct nozzles for proper operation 3 Remove the flame duct cover Check the burner Make sure the spark igniter plug and flame rod are in good clean condition Check the wir...

Page 40: ...r column for propane or 7 water column for natural gas NOTE Clockwise to increase pressure counter clockwise to decrease pressure E Let the GHAB run for a 10 minute period F After the 10 minute period...

Page 41: ...ed in section IV B 19 2 Check the fuel supply Refer to Section VI D 3 Check 230VAC and 115VAC from either leg to the center tap neutral with the unit running It must be within 10 to 10 4 Check the bur...

Page 42: ...the way back in the track duct 5 Check the spacing between the inlet cone and the blower wheel The gap should be less than 1 16 of an inch E GAS VALVE CAUTION 1 Turn off gas to the blower 2 Turn off p...

Page 43: ...head 4 To operate more than one HAB unit from a HAB unit that is controlled by a snow detector s connect terminal posts 6 together and terminal posts 9 together Do not connect terminal post 6 to termi...

Page 44: ...tion under snow detector control will cause the indication contact across terminal posts TS 3 and TS 4 to close To reset the unit after a fault condition momentarily apply a circuit closure between te...

Page 45: ...ive and should be replaced 2 DOES NOT DETECT MOISTURE a Clean the snow detector as described in Section VIII C SNOW DETECTOR MAINTENANCE b If unit still does not detect moisture check the wiring conne...

Page 46: ...rting current 18 Amp running current VOLTAGE 460 VAC 3PH 60HZ 15 AMP MOTOR 3 HP 3450RPM TEFC 37 5 Amp starting current 3 7 Amp running current VOLTAGE 575 VAC 3PH 60HZ 15 AMP MOTOR 3 HP 3450RPM TEFC 3...

Page 47: ...TION KIT TIE DUCT POINT NOZZLE 9278 0021 ISOLATION KIT TIE DUCT TRACK NOZZLE 9278 0027 GHAB FOUNDATION 9288 0302 5 HP FLAME DUCT 9528 3102 HEAVY DUTY OFFSET DUCT 9278 3402 2 INSULATED FLEX DUCT 9528 4...

Page 48: ...er grants permission to Railway to open and disassemble the product as required for evaluation Railway has the sole responsibility for determining the cause and nature of failure and Railway s determi...

Page 49: ...P N R9550 0100 49 2018 RAILWAY EQUIPMENT CO REV I 11 18 INTENTIONALLY LEFT BLANK...

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Page 81: ...wc Turning the adjustment screw on the pressure switch has these effects to the pressure set point a Clockwise CW increase pressure set point b Counterclockwise decrease pressure set point 2 Run the...

Page 82: ...4 Turn the Pressure Switch adjustment screw Clockwise CW until the Air Flow LED on the control module turns off It is now calibrated...

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