Railway Equipment 934 User manual

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
BY
RAILWAY EQUIPMENT COMPANY
15400 MEDINA ROAD
PLYMOUTH, MINNESOTA 55447
TEL. [phone]
FAX. [phone]
E-Mail:
Support: [email protected]
Sales: [email protected]

P/N R9340-0104 2 © 2010 RAILWAY EQUIPMENT CO.
REV B
5/11
CAUTION
GENERAL HAZARD WARNING
FAILURE TO COMPLY WITH THE PRECAUTIONS AND INSTRUCTIONS
PROVIDED WITH THIS HEATER, CAN RESULT IN DEATH, SERIOUS INJURY
AND PROPERTY LOSS OR DAMAGE FROM HAZARDS OF FIRE,
EXPLOSION, BURN, ASPHYXIATION, CARBON MONOXIDE POISONING,
AND/OR ELECTRICAL SHOCK.
ONLY PERSONS WHO CAN UNDERSTAND 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, BURN, INHALATION, AND EXPLOSION HAZARD.
KEEP SOLID COMBUSTIBLES, SUCH AS BUILDING MATERIALS, PAPER OR
CARDBOARD, A SAFE DISTANCE AWAY FROM THE HEATER AS
RECOMMENDED BY THE INSTRUCTIONS. NEVER USE THE HEATER IN
SPACES WHICH DO OR MAY CONTAIN VOLATILE OR AIRBORNE
COMBUSTIBLES, OR PRODUCTS SUCH AS GASOLINE, SOLVENTS, PAINT
THINNER, DUST PARTICLES OR UNKNOWN CHEMICALS.

P/N R9340-0104 3 © 2010 RAILWAY EQUIPMENT CO.
REV B
5/11
PLEASE READ THIS INSTRUCTION MANUAL ENTIRELY BEFORE
HANDLING THIS MATERIAL OR ATTEMPTING TO INSTALL, OPERATE
OR SERVICE THIS HOT AIR BLOWER SYSTEM.
PLEASE READ THE WARNINGS AND CAUTIONS LISTED BELOW.
CAUTION
CAUTION
CAUTION
CAUTION
TWO (2) COMPLETE INSTRUCTION MANUALS HAVE BEEN INCLUDED WITH THIS
SNOW MELTER SYSTEM. PLEASE KEEP ONE OF THE MANUALS WITH THE SYSTEM
AFTER INSTALLATION. ANYONE OPERATING OR SERVICING THIS SNOW MELTER
SYSTEM SHOULD READ THE MANUAL ENTIRELY BEFORE PROCEEDING.
IF YOU HAVE ANY QUESTIONS CONCERNING THE MANUFACTURE, DESIGN,
FUNCTION, INSTALLATION, OPERATION OR MAINTENANCE, CONTACT
RAILWAY EQUIPMENT COMPANY 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.
THIS HOT AIR BLOWER TRACK SWITCH SNOW MELTER
SYSTEM CAN BE OPERATED REMOTELY OR BY A SNOW
DETECTOR SYSTEM. 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 THE MAIN
CIRCUIT BREAKER IS TURNED OFF BEFORE
ATTEMPTING TO SERVICE THIS SYSTEM. EVEN WITH
CIRCUIT BREAKER OFF LINE VOLTAGE IS PRESENT AT
THE TOP CIRCUIT BREAKER CONNECTIONS.
THIS SYSTEM CONTAINS A HIGH SPEED AIR FAN
WHICH ROTATES AT UP TO 3600RPM AND CREATES
FORCEFUL SUCTION WHEN OPERATING. DO NOT
OPERATE THE BLOWER SYSTEM IF ANY OF THE
DUCTWORK COMPONENTS HAVE BEEN REMOVED.

P/N R9340-0104 4 © 2010 RAILWAY EQUIPMENT CO.
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5/11
TABLE OF CONTENTS
I. GENERAL INFORMATION 6
A. MODEL NUMBER DESCRIPTION 6
B. STANDARD FEATURES 7
II. COMPONENT DESCRIPTION 8
A. MAIN HAB UNIT 8
B. STANDARD DUCTWORK 8
C. OPTIONAL DUCTWORK 9
III. INSTALLATION 12
A.TIEDUCT 12
B.MAINHABUNIT 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. OPERATION 27
V. SEASONAL MAINTENANCE 28
VII. TROUBLESHOOTING 29
A. UNIT DOES NOT START 29
B. LOW HEAT LEVEL 29
C.LOWAIRFLOW 29
VIII. SNOW DETECTOR 30
A.INSTALLATION 30
B.OPERATION 31
C.MAINTENANCE 31
D. TROUBLESHOOTING 32
IX.SPECIFICATIONS 33
X.DRAWINGS 34
XI. LIMITED WARRANTY 35

P/N R9340-0104 5 © 2010 RAILWAY EQUIPMENT CO.
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5/11
I. GENERAL INFORMATION
A. MODEL NUMBER DESCRIPTION
OPTIONS
0= STANDARD
1= GE IN TIE SWITCH
2= GE SNF IN TIE SWITCH
3= TRACK DUCT NOZZLES FOR SNF DUCT
4= 3/5 PANEL CONFIGURED
10X10 ADAPTOR FLANGE
AND NOZZLE (NO TIE DUCT)
5= 2HP PANEL CONFIGURED
10X10 ADAPTOR FLANGE
AND NOZZLES (NO TIE DUCT)
6= 2HP USING 10X10 TIE DUCT
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 FOR SNF
T= NO TIE DUCT
C- CUSTOM TIE DUCT
2.13.09 TM
MODEL
934 2HP High Profile
937 2HP Low Profile
INCOMING
POWER
1= 230VAC 1PH
2= 460VAC 1PH
3= 230VAC 3PH
4= 460VAC 3PH
5= 575VAC 3PH POWER
50 = 50 KW
60 = 60 KW
X
TRACK DUCT LENGTH
0 = NO TRACK DUCT
1= 10' TRACK DUCT
2= 20' TRACK DUCT
3= 30' TRACK DUCT
4= 40' TRACK DUCT
5= 15' TRACK DUCT
X
REVISION
LEVEL
Electric Hot Air Blowers