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Page 7

688 Manual

1.  Install the SeeLeveL/SeeLeveL Special systems as described in 

their respective manuals.

2.  Make sure that the correct controller has been chosen.  For 

applications with a single compartment per trailer, use the 

single fiber input model.  For two compartments per trailer, 

use the dual fiber input model.  One controller is needed for 

each individual trailer.

3. 

Pick  a  spot  to  mount  the  controller  and  the  rack  socket(s).  

They should be close together, easy to access, and out of 

direct road spray.

4.  Drill and tap holes into the controller enclosure for the needed 

connections.  There will be one hole for the fiber from the 

gauge, and at least one for the wiring to the rack socket(s).  

Make sure that none of the entries are at the top of the box, 

since the LEDs will get in the way of the wires and water is 

more likely to leak in from the top.  Also, make sure that the 

holes are located to allow room for the cap to fully seat, since 

it sticks into the box by about 3/8”.  

Be very careful when 

penetrating the box,

 the drill will want to shoot into the box 

once you break through the inside.  If you drill off a wire or 

fiber connector it will 

NOT

 be covered by warranty.

5. 

Mount  the  controller  enclosure  using  the  mounting  flange 

holes, being certain to shim the enclosure away from the 

mounting surface with the spacers provided to allow water 

drainage.  

Broken controller enclosures caused by water 

freezing behind the enclosure are NOT covered by 

warranty.

6.  Connect the 688M Driver Module into the gauge enclosure.  

For the 810PS2 

S

EE

L

EVE

L

 

TM

 P

RO

S

ERIES

 II gauge, the module is 

encapsulated into a small black box.  Silicone this box into the 

left side of the aluminum enclosure.  Before the silicone sets, 

make sure that the gauge faceplate can still seat properly.  

Connect the yellow module wire to the red Alarm 4 wire from 

the gauge and connect the black module wire to the green 

ground wire on the gauge.  For the 808P2 

S

EE

L

EVE

L

 

S

PECIAL 

TM

 

the module is not in a box.  Simply use a spot of RTV to secure 

the module inside the enclosure.  Connect the yellow wire on 

the module to the yellow wire from the gauge and the black 

module wire to the gauge’s black ground wire.  You will need 

one module per gauge.

7.  Route 1/4” Nylon air brake hose from the gauge to the 

controller and fasten with 

brass inserts

 and 

compression 

CHAPTER 3 - INSTALLATION GUIDE

Содержание MULTIRACK 688-D

Страница 1: ...60 Old Granbury Road Granbury TX 76049 CANADA Garnet Instruments 286 Kaska Road Sherwood Park AB T8A 4G7 garnetinstruments com 1 800 617 7384 Optic Thermistor Rack Control for Trucks MODEL 688 S 688 D MANUAL MUL TIRACK TM ...

Страница 2: ... CHAPTER 2 OPERATIONS AND FEATURES 4 CHAPTER 3 INSTALLATION GUIDE 7 CHAPTER 4 TROUBLESHOOTING GUIDE 10 CHAPTER 5 SERVICE AND WARRANTY INFORMATION 12 GARNET MultiRACK TM Optic Thermistor Rack Control for Trucks MODEL 688 S 688 D MANUAL 688 Manual_v5 4 06 Dec 2019 ...

Страница 3: ...nd thermistor style two wire loading racks The MULTIRACK TM will shut down the loading rack when the product level reaches the programmed shutdown point in the SEELEVEL gauge The MULTIRACK TM will withstand the vibration shock moisture and temperature extremes encountered in transport applications It is housed in a durable weatherproof housing and will operate over an ambient temperature range of ...

Страница 4: ...THERM B OPTIC THERM A MODEL 688 OPTIC THERMISTOR LOADING RACK CONTROLLER MultiRackTM POWER OPTIC SIGNAL 810 X Bar MULTIRACK Rack Plugs Wired to MULTIRACK 808 P2 SEELEVEL SPECIAL or 810 PS2 SEELEVEL PROSERIES II SHUT UNPLUGGED OPEN CIRCUIT DOWN HORN ALARM EMPTY RE ARM MANUAL RE ARM BYPASS VALVE ERROR SHORT CIRCUIT PTO ON OFF ENGINE ON MODEL 815UHP ALARM CONTROLLER WARNING SEE OWNERS MANUAL FOR INFO...

Страница 5: ...tion has two trailers then the optic portions of the two controllers are series wired just like optic probes The controller has two thermistor leads to simulate two thermistor probes and will operate with either one or both of the thermistor leads connected For two trailer applications each of the thermistor leads from the rack socket is connected to its own controller The controller simulates a t...

Страница 6: ... TM or SEELEVEL SPECIAL TM at the start of loading each compartment If any skipping of calibration points is observed discontinue loading until the problem is corrected Please refer to the manuals for these instruments for further details Installation Installation of the system consists of connecting the appropriate module into the gauge and programming alarm point 4 The controller enclosure is mo...

Страница 7: ...eak through the inside If you drill off a wire or fiber connector it will NOT be covered by warranty 5 Mount the controller enclosure using the mounting flange holes being certain to shim the enclosure away from the mounting surface with the spacers provided to allow water drainage Broken controller enclosures caused by water freezing behind the enclosure are NOT covered by warranty 6 Connect the ...

Страница 8: ...IVALENT Red Optic power Optic probe red wire Yellow Optic pulse input Optic probe yellow wire Orange Optic pulse output Optic probe orange wire Black Optic thermistor ground Optic probe black wire Thermistor probe white wire Green Thermistor lead 1 Thermistor probe black wire Green Thermistor lead 2 Thermistor probe black wire 10 For dual trailer applications wire the optic portion of the two cont...

Страница 9: ...nd then snap on the cap 14 Record the truck unit number compartment number and the level of the rack shutdown point in the IMPORTANT OPERATOR INFORMATION area on the front page of the SEELEVEL gauge users manual The truck operator must be given the owners manual upon delivery with all front page data filled in The following wiring diagram illustrates a B train with a single compartment lead equipp...

Страница 10: ...t flash If not the module is defective If it does flash the gauge alarm point 4 is not working it may need to be programmed or serviced Fiber Cable If the module produces a light pulse but it does not reach the controller replace the fiber cable Controller If the controller is non permissive check to make sure it is receiving light pulses from the fiber s Dual controllers need pulses from both fib...

Страница 11: ...ection For a thermistor rack if the diagnostic LED is on in the controller then the socket connection is good For an optic rack the pulse input and output are not monitored since the pulse width is so small the LEDs would not be visible so even though the LED is on there may still be a connection problem ...

Страница 12: ...LIMITATION ON WARRANTIES These warranties are the only warranties expressed or implied upon which products are sold by Garnet and Garnet makes no warranty of merchantability or fitness for any particular purpose in respect to the products sold Garnet products or parts thereof assumed to be defective by the purchaser within the stipulated warranty period should be returned to the seller local distr...

Страница 13: ...Page 13 688 Manual ...

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