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RRSHA Series Hot Air Blower User Manual

ENM-3600-00

1.4.3

Ground Fault and Power-On Indication Lights .................................................................. 14

1.4.4

Wiring Box ....................................................................................................................... 15

1.4.5

Wiring Box Post ............................................................................................................... 15

Installation ...................................................................................................................... 16

2.1

Installing the RRSHA Hot Air Blower ................................................................................. 16

2.1.1

Preparing the installation area ......................................................................................... 17

2.1.2

Routing power to the main housing unit .......................................................................... 18

2.1.3

Installing the track duct ................................................................................................... 18

2.1.4

Installing nozzles ............................................................................................................. 19

2.1.5

Attaching the track duct to the ties .................................................................................. 19

2.1.6

Attaching the flexible connecting duct ............................................................................. 20

2.2

Wiring the main housing unit ........................................................................................... 20

2.2.1

Wiring the Circuit Panel ................................................................................................... 20

2.2.2

Verifying the blower fan rotation ..................................................................................... 20

2.3

Installing Accessories and Optional Equipment ................................................................ 21

2.3.1

Wiring Box and Wiring Box Post ....................................................................................... 21

2.3.2

Remote (track side) Snow Sensor..................................................................................... 22

2.3.3

Fault and Power-On Indication Lights .............................................................................. 22

2.3.4

Height Adjustment Legs ................................................................................................... 22

2.3.5

Crib Heaters .................................................................................................................... 23

2.3.6

Flat-Jacket Snow Melters ................................................................................................. 24

2.4

Initial Activation of the Hot Air Blower ............................................................................. 25

2.4.1

Manual Activation ........................................................................................................... 25

2.4.2

Snow Sensor Activation ................................................................................................... 25

2.4.3

Remote (Dispatch) Activation .......................................................................................... 25

Adjusting Hot Air Blower Settings .................................................................................... 26

3.1

Adjusting Snow Sensor settings ....................................................................................... 26

3.2

Adjusting the rod/crib circuit startup delay timer............................................................. 27

3.3

Adjusting GFI Sensitivity (rod/crib circuit only) ................................................................. 27

3.4

Adjusting the blower fan circuit shutdown delay timer .................................................... 28

Seasonal Maintenance..................................................................................................... 29

4.1

Pre-Winter Maintenance ................................................................................................. 29

4.1.1

Hot Air Blower Main Housing Unit ................................................................................... 29

Summary of Contents for RRSHA3 Series

Page 1: ...3 RRSHA5 Series Track Switch Hot Air Blower Rail heating solutions to keep you on track Spectrum Rail Heating Solutions 425 Hanley Industrial Ct St Louis MO 63144 Phone 314 333 5550 www spectruminfrared com ENM 3600 00 ...

Page 2: ...1 2 2 4 Rod Crib Heaters On Off 8 1 2 2 5 GFI Fault Reset 8 1 2 3 Circuit Panel 8 1 2 3 1 Individual Circuit Breaker Protection 8 1 2 3 2 Individual Ground Fault Protection 9 1 2 3 3 Control Power Transformer 9 1 2 3 4 Customer Connection Terminal Block 9 1 2 4 Remote Dispatch Activation 10 1 2 5 Delay Timer 10 1 3 Optional Equipment 11 1 3 1 Remote Snow Sensor 11 1 3 2 Crib Heater 11 1 3 3 Flat J...

Page 3: ...ation 20 2 3 Installing Accessories and Optional Equipment 21 2 3 1 Wiring Box and Wiring Box Post 21 2 3 2 Remote track side Snow Sensor 22 2 3 3 Fault and Power On Indication Lights 22 2 3 4 Height Adjustment Legs 22 2 3 5 Crib Heaters 23 2 3 6 Flat Jacket Snow Melters 24 2 4 Initial Activation of the Hot Air Blower 25 2 4 1 Manual Activation 25 2 4 2 Snow Sensor Activation 25 2 4 3 Remote Dispa...

Page 4: ...or Activation 30 4 1 5 Remote Dispatch Activation if installed 30 4 2 Post Winter Maintenance 31 4 2 1 Hot Air Blower Main Housing Unit 31 4 2 2 Circuit Panel 31 4 2 3 Snow Sensor 31 5 Specifications 32 5 1 RRSHA3 Series Specifications 32 5 2 RRSHA5 Series Specifications 32 5 3 RRSHA Part Number Decoder 32 6 Schematics 33 ...

Page 5: ...onal injury from electrical shock or from the moving blower blade may result if all power sources are not disconnected before servicing Only qualified personnel should perform maintenance work o The operator should avoid contacting the RRSHA Hot Air Blower and track duct during and for some time after operation Portions of the RRSHA Hot Air Blower and track duct become quite hot and could cause se...

Page 6: ...uct is electrically isolated with gaskets and fiberglass bushings that are low in moisture absorption and high in dielectric strength Directional Nozzles Rigid aluminum nozzles attached to the track duct which can be moved to direct airflow onto the switch points Flex Duct Flexible and expandable stainless steel insulated duct connecting the main housing unit to the track duct The connecting hose ...

Page 7: ...now Sensor illuminates when power is available to the RRSHA Hot Air Blower and this green LED blinks when environmental activation conditions are met After activating the RRSHA Hot Air Blower the Snow Sensor keeps the unit activated while precipitation continues and temperatures remain below the preset activation level When precipitation stops and or the temperature rises above the preset activati...

Page 8: ...ition set by default Power is only provided to the air blower and heating elements when the RRSHA Hot Air Blower is activated by either the Snow Sensor or Remote Dispatch Activation if the latter optional feature is used 1 2 2 2 Heat Setting High Low The Heat Setting switch has two positions High upper position set by default When the primary heating elements are activated power is provided to all...

Page 9: ... Flat Jacket Snow Melters Consult factory if more than one Rod Crib circuit is required Off lower position set by default Power is not provided to optional equipment 1 2 2 5 GFI Fault Reset Model RRSHA5 with Suffix R only This feature is only factory installed on RRSHA5 series heaters as an additional safety feature when the Rod Crib Circuit is included RRSHA5 series with Suffix R The GFI Fault Re...

Page 10: ...cted on this circuit the sensing relay trips and illuminates its associated fault indication light The fault relay can be monitored remotely or connected to an optional external indication light The sensitivity number of milliamps required to trip the sensor of either ground fault sensor can be adjusted See 3 3 Adjusting GFI Sensitivity on page 27 for more information 1 2 3 3 Control Power Transfo...

Page 11: ...a Delay On A Ai with a two second delay 2 1s and can be adjusted on site if necessary for a specific location The default delay time can be changed For more information see 3 2 Adjusting the rod crib circuit startup delay timer on page 27 Fig 12 Delay On Timer Rod Crib Circuit Model Suffix R The RRSHA5 Series Hot Air Blower additionally utilizes a Delay Off timer as a standard feature for the blow...

Page 12: ... time has elapsed the Remote Snow Sensor de activates the RRSHA Hot Air Blower For information on installing the Remote Snow Sensor see page 22 Values that control when the Remote Snow Sensor activates and de activates the Hot Air Blower are adjustable For more information see 3 1 Adjusting Snow Sensor settings on page 26 NOTE If the Remote Snow Sensor activates the RRSHA Hot Air Blower 1 3 2 Crib...

Page 13: ...pecific voltage 5 Use clips between every tie to attach the Flat Jacket Snow Melter Rod to the rail This assures proper heating at the switch point and extends the life of the Flat Jacket Snow Melter NOTE Failure to use these clips properly will result in poor snow clearance and premature element failure SnapTite rail clips clamp on to the bottom of the field side of the rail and to the Flat Jacke...

Page 14: ...place an existing Track Duct contact Spectrum 2 Center Duct Installation is similar to Track Duct Installation as identified in Section 2 1 3 page 18 1 3 5 Intake Snorkel Fig 191 Intake Snorkel The optional Intake Snorkel attaches to the outside of the main housing unit and redirects the air intake from the side of the unit to the top In areas with large amounts of blowing snow an Intake Snorkel p...

Page 15: ... and level footing on an otherwise uneven ground The main housing unit can be raised to a maximum of 18 with the height adjustment legs The RRSHA Hot Air Blower is provided from the factory with Height Adjustment Legs when Suffix M is identified in the model code during the initial specification process Fig 203 Height Adjustment Legs 1 4 3 Ground Fault and Power On Indication Lights Fig 222 Indica...

Page 16: ...ts of the wiring box run wires through Each wiring box also comes with terminal blocks installed for simpler wire connections 1 4 5 Wiring Box Post A recommended accessory for the Wiring Box is a Wiring Box Post This post bolts to the bottom of the box and provides riser pipe that can be buried in the ground for a secure mounting position Power wires can be run through the bottom of the post and i...

Page 17: ...r Base Unit Flex Duct Track Duct at trackside Wiring the heater base unit Installing optional equipment and accessories Activating the RRSHA Hot Air Blower for the firsttime 2 1 Installing the RRSHA Hot Air Blower Fig 257a Installation Diagram Figure 257a identifies the components of the RRSHA Hot Air Blower that are installed at track side ...

Page 18: ... is positioned one or two tie spaces in front of the switch point The installation area must be a compact and stable surface composed of concrete ballast or dirt The surface must also be level with a tolerance of 5 The recommended installation area is 6 x 6 with no part within the foul zone the area four feet outside of the nearest rail Position the main housing unit with a minimum of 36 inches of...

Page 19: ...voltage reduces the unit s effectiveness and shorten its life span 2 Drill holes into the bottom plate of the main housing unit and into the circuit panel for the main 2 1 3 Installing the track duct The track duct is comprised of two sections The Outboard Track Duct has one closed end and one open end The Inboard Track Duct has two open ends These two sections are connected and tested for electri...

Page 20: ...ozzle Installed with Clips Turned In 4 Turn the nozzles in the holes to maximize the air flow to the web of the rail 6 Nozzles may be trimmed up to 3 if necessary Please note that trimming will eliminate the rodent screen on the nozzle 2 1 5 Attaching the Track Duct or Center Duct to the ties 1 Attach the duct tie down straps to the track duct using two 5 16 18 hex head screws Fig 336 Connecting t...

Page 21: ...ld have been drilled at the bottom of the control box and the cable should have been routed through that hole Verify steps 2 and 3 of procedure 2 1 2 have been completed and perform these steps if they have not 3 Connect the cable from the main power source to the L1 L2 and L3 power distribution blocks 4 Enable the power coming from the main power source 2 2 2 Verifying the blower fan rotation Aft...

Page 22: ...ack to Auto lower position 4 As the blower slows down verify that the fan wheel is rotating counter clockwise when viewed through the grill Note RRSHA5 has Delay Off see Sec 1 2 5 on page 10 If the fan wheel rotation is correct skip steps 5 through 8 of this procedure Fig 369 Motor Blower Fan Viewed Through Grill 5 If the fan wheel rotation was not correct in step 4 disable the power coming from t...

Page 23: ...es that should be connected as follows Yellow to TB1 1 Yellow to TB1 3 Black or Brown to TB1 1 White or Blue to TB1 2 2 3 3 Fault and Power On Indication Lights When purchased as integral to the RRSHA series heater use model Suffix P1 and or Suffix P2 If purchased separately contact Spectrum for installation instructions 2 3 4 Height Adjustment Legs When purchased as integral to the RRSHA series h...

Page 24: ...ation 2 Position the Crib Heater under the switch machine rods The top of the Crib Heater should be approximately 5 below the base of the rail 3 Attach the mounting brackets to the nearest tie using hardware appropriate for the tie material o For wood ties attach the brackets with the provided lugbolts o For metal and concrete ties contact Spectrum for installation recommendations Fig 382 Crib Hea...

Page 25: ...w Melter Rod near the switch point 2 Install mounting clips to the rail between every tie approximately 20 apart Fig 393 SnapTite Rail Clip Installation Fig 404 Bolt On Clip Installation 3 With the bow facing the outside route the Flat Jacket Snow Melter Rod through the mounting clips and any braces Fig 415 Flat Jacket Snow Melter Rod Installation ...

Page 26: ...er can be activated by the Snow Sensor 1 Verify the green LED is illuminated on the Snow Sensor 2 Put water on the moisture grid and use freeze spray on the temperature probe of the Snow Sensor 3 Verify the green LED on the Snow Sensor is blinking 4 Listen for the circuits to engage For units that also use optional equipment the rod crib circuit turns on after the blower circuit according to the r...

Page 27: ...Blower Settings The following settings that control the operation of the RRSHA Hot Air Blower can be adjusted 3 1 Adjusting Snow Sensor settings By default the Snow Sensor activates the RRSHA Hot Air Blower when the temperature falls to 38 F and precipitation is detected on the sensor s moisture grid The Snow Sensor keeps the RRSHA Hot Air Blower activated for an additional 2 hours after the tempe...

Page 28: ... delay timer For RRSHA Hot Air Blowers with Suffix R that power optional equipment the Delay Timer function powers the secondary circuit after a short delay from the primary circuit s start time default delay time is two seconds This option helps reduce the startup 3 The Rod Crib circuit delay timer has 3 dials for adjustment The lower dial is a functional adjust and set to A Ai for Delay On The u...

Page 29: ...t the sensitivity dial back to the desired setting 3 4 Adjusting the blower fan circuit shutdown delay timer The RRSHA5 Series Hot Air Blower additionally utilizes a delay off timer as a standard feature for the blower fan The Delay Off Timer maintains airflow across the heating elements to evacuate excess residual heat from the blower compartment and helps to increase product lifespan 1 Open the ...

Page 30: ...29 circuit ...

Page 31: ...e RRSHA Hot Air Blower Verify the RRSHA Hot Air Blower has power by verifying the green LED on the Snow Sensor is illuminated 4 1 3 Manual Activation Set the Blower Power switch to On Verify the RRSHA Hot Air Blower is activated by verifying the green LED on the Snow Sensor is blinking Listen for the circuits to engage For units that also power optional equipment the secondary circuit turns on aft...

Page 32: ...ndary circuit turns on after the primary circuit according to the secondary circuit s Delay Timer setting Walk to the heaters and take the surface temperature to verify heaters are getting power and are heating Leave the RRSHA Hot Air Blower activated for 10 15 minutes to allow the heaters to come up to temperature and verify there are no GFI faults or heater malfunctions 4 1 5 Remote Dispatch Act...

Page 33: ... Label and disconnect all wires coming from the Wiring Box or direct from the heating elements from their respective terminal blocks in the Circuit Panel Lay the wires in the bottom of the control box for reconnection prior towinter Disconnect the power wires coming into the main housing unit from the mainbreaker 4 2 3 Snow Sensor Wipe off the moisture grid located on top of the Snow Sensor with a...

Page 34: ...ay include additional suffixes that indicate various options as described below 5 3 RRSHA Part Number Decoder 600VAC only available with 3 Phase MOTOR HP SYSTEM VOLTAGE PHASE RRSHA H V P Suffix see below 3 3 HP 240 240VAC 1 1 Phase 5 5 HP 480 480VAC 3 3 Phase 600 600VAC Suffix C Center Duct Type Assembly 12Ft length is included instead of Standard Track Duct M Mounting legs included for Blower hei...

Page 35: ...34 RRSHA Series Hot Air Blower User Manual ENM 3600 00 6 Schematics ...

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Page 38: ...37 ENM 3600 00 RRSHA Series Hot Air Blower User Manual ...

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