Railway Equipment 934 Operating Manual Download

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P/N R9340-0104 1 © 2010 RAILWAY EQUIPMENT CO.
REV B
5/11

OPERATING MANUAL

MODEL NO. 934

ELECTRIC HOT AIR BLOWER

TRACK SWITCH SNOW MELTER

480 / 230 VAC 1 & 3 PHASE

50KW AND 60 KW LOAD CAPACITY

MANUFACTURED

RAILWAY EQUIPMENT COMPANY

15400 MEDINA ROAD

PLYMOUTH, MINNESOTA 55447

TEL. 763-972-2200

FAX. 763-972-2900

E-Mail:

Support: [email protected]

Sales: [email protected]

Summary of Contents for 934

Page 1: ...934 ELECTRIC HOT AIR BLOWER TRACK SWITCH SNOW MELTER 480 230 VAC 1 3 PHASE 50KW AND 60 KW LOAD CAPACITY MANUFACTURED BY RAILWAY EQUIPMENT COMPANY 15400 MEDINA ROAD PLYMOUTH MINNESOTA 55447 TEL 763 97...

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: ...NY BEFORE PROCEEDING SHEET METAL EDGES MAY BE VERY SHARP AND CAN CAUSE SEVERE CUTS OR LACERATIONS PROTECTIVE GLOVES AND CLOTHING SHOULD BE WORN USE CAUTION WHEN HANDLING ALL SHEET METAL COMPONENTS THI...

Page 4: ...AIN HAB UNIT 13 C POINT NOZZLES AND TRACK DUCTS 14 F ELECTRICAL CONNECTION 17 IV CONTROL MODULE 18 A DESCRIPTION 18 B MODULE CONTROLS AND INDICATORS 18 C FAULT CONDITIONS 20 D ADVANCED FEATURES 23 E O...

Page 5: ...T 7 STANDARD WITH FLEX NOZZLES XXX X X X X OUTLET DUCT K STEEL TIE DUCT WITH 115 PLATES 9 N STEEL TIE DUCT WITH 136 PLATES 9 G STEEL TIE DUCT WITH 115 PLATES FOR SNF H STEEL TIE DUCT WITH 136 PLATES F...

Page 6: ...ure 16 Status indicating lights for all control functions 17 Start delay timer for sequential startup 18 Run timer for timed operation 19 Selectable Transparent snow detector operation 20 Snow detect...

Page 7: ...complete control of operation See separate description and details section IV 5 AIRFLOW SWITCH Located in the heat duct the sail switch indicates proper airflow before and during burner operation The...

Page 8: ...5 point a 5 mid and 10 sections to complete the desired length 6 TRACK DUCT NOZZLE Attaches to the inner two rectangular openings on the top of the outlet duct Directs airflow down the length of the...

Page 9: ...an access opening underneath the insulating wrapper cover If additional duct extensions are required this assembly can be added between the outlet duct and the offset duct 2 7 TRACK DUCT These track d...

Page 10: ...P N R9340 0104 10 2010 RAILWAY EQUIPMENT CO REV B 5 11 INTENTIONALLY LEFT BLANK...

Page 11: ...lates 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 tie duct until the rail lies correctly on th...

Page 12: ...Draw the hex nut hand tight and then loosen one turn 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 foundat...

Page 13: ...0 ft elevation set Airflow Differential Wheel to C Below 6000 ft elevation set Airflow Differential Wheel to B Above 6000 ft elevation set Airflow Differential Wheel to A C POINT NOZZLES AND TRACK DUC...

Page 14: ...the bracket bases Place the hold down straps over the track ducts Attach the hold down strap to the track duct support brackets by inserting the spring clip into the strap 6 Push in the square knockou...

Page 15: ...P N R9340 0104 15 2010 RAILWAY EQUIPMENT CO REV B 5 11 INTENTIONALLY LEFT BLANK...

Page 16: ...when the unit is operating under remote control b 24 VDC Place a jumper between terminal posts TS1 2 and TS1 4 24 VDC indication is now present on post TS1 3 with common at terminal post TS1 6 6 FAIL...

Page 17: ...l Snow Detector Head Adjustable start up delay sequence Adjustable run timer for timed or continuous operation Adjustable snow detect timer for use with optional snow detector Operator control and ind...

Page 18: ...nsing head s senses moisture 3 REMOTE CONTROL On when there is a circuit closure across terminal posts 1 and 2 4 SAIL SWITCH On when the sail switch in the air stream is sensing adequate airflow 5 IND...

Page 19: ...the unit will start the cool down if the unit was started locally or by dispatch 4B SNOW TIMER Snow timer displays the time remaining until the heat contactor will be disabled and start the cool down...

Page 20: ...ompletion of this 5 minute cycle the blower will once again check the airflow switch for proper operation If the airflow switch still shows that it is closed the 5 minute loop will run again This will...

Page 21: ...the unit cools down for 30 Seconds the fuse will reset 9 CHECK FUSE 1 24 VDC POWER Fuse 1 is tripped Check the following circuits a Overtemp switch and wiring b Check TS1 2 24 control on wiring After...

Page 22: ...HEATER PHASE 3 This fault occurs when phase 3 current is below the current Setpoint Check for an open heater or heater fuse D ADVANCED FEATURES Advanced features allows access to extended menus To acc...

Page 23: ...or high counter To reset this fault rotate selector dial B PHASE 2 VOLTAGE FAULT COUNTER Phase 2 voltage low or high counter To reset this fault rotate selector dial Note this fault only applies to 3...

Page 24: ...heater fault counter is total count of open heater fault for line 1 To reset above faults rotate selector dial K LINE 2 OPEN HEATER FAULT COUNTER Line 2 open heater fault counter is total count of ope...

Page 25: ...ll cause the unit to run for the amount of time set When the count down timer reaches zero the unit will shut down and drop indication To restart the unit the control on contact closure must be opened...

Page 26: ...tory default is with you must be have air temp to enable EHAB E UNIT TYPE Used to select unit voltage 230V or 460V and phase 1PH or 3PH of the unit the module will be installed in The information is l...

Page 27: ...off is selected run timer will time as long as remote is on when remote on is removed blower will stop K SELECT F OR C This parameter allows selection of Fahrenheit or Celsius Temperature display 4 F...

Page 28: ...P N R9340 0104 28 2010 RAILWAY EQUIPMENT CO REV B 5 11...

Page 29: ...red It closes if airflow is normal If it does not close within 10 sec after blower turn on the blower displays SAIL OFF FAULT When the airflow switch closes a 30 second prepurge time will start After...

Page 30: ...start and run Check for proper operation VII TROUBLESHOOTING A UNIT DOES NOT START 1 Check circuit breaker 2 Check control fuses The control module has both replaceable and auto resetable fuses If the...

Page 31: ...re is frost buildup on the air intake screens move the screens to the open position 3 Check the voltage and current levels on the blower motor 4 Make sure knockouts on the track duct are pushed all th...

Page 32: ...head 4 To operate more than one HAB unit from a HAB unit that is controlled by a snow detector s connect terminal posts 9 together and terminal posts 10 together Do not connect terminal post 9 to term...

Page 33: ...senses moisture the unit will operate according to the settings The unit will then operate for the duration of the run timer setting 4 FAULT CONDITION A fault condition under snow detector control wil...

Page 34: ...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 connectio...

Page 35: ...DC 1A or 125VAC 300mA SPECIFICATIONS 480V THREE PHASE VOLTAGE 480VAC 3PH 60HZ 125 Amp MOTOR 2HP 3450RPM TEFC 39 Amp starting current 6 Amp running current AIRFLOW 2000 CFM KW OUTPUT 50 60 KW INDICATIO...

Page 36: ...IE DUCT POINT NOZZLE 9278 0021 ISOLATION KIT TIE DUCT TRACK NOZZLE 9278 0027 GHAB FOUNDATION 9288 0202 HEAVY DUTY OFFSET DUCT W O MIXER 9528 3404 2 INSULATED FLEX DUCT 9528 4223 TRACK DUCT 5 POINT 927...

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Page 60: ...e setpoint Advanced menu password UNIT TYPE 3PH 460V Turn dial to select phase and voltage Advanced display password LOCAL WITH AIR TEMPERATURE Change setting for local switch run mode Advanced displa...

Page 61: ...owner grants permission to Railway to open and disassemble the product as required for evaluation Railway has the sole responsibility for determining the cause an nature of failure and Railway s dete...

Page 62: ...P N R9340 0104 38 2010 RAILWAY EQUIPMENT CO REV B 5 11 INTENTIONALLY LEFT BLANK...

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