Page 1 Basic Steps for Installing the Ascent Dumbwaiter ® 1. Remove Shroud. 2. Mount lower section of Track and Unit to hoistway wall and Brackets. 3. Remove Shipping Bracket from Top of Car. 4. Install other track pieces and brackets. 5. Set Header on top end of Track and attach Steel Cable. 6.
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Page 3 Remove Shroud (sheet metal panels) Door Panel Trolley Door Switch Gear Box Door Frame The Shroud is held on with (4) socket head screws (1/8" allen wrench) Motor Shroud 630-00092- Rev. B...
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Page 5 Stand Unit with Track in Hoistway and attach to wall Stand the assembly up and into place inside the hoistway (consult the application drawing for proper placement). Note: In some applications it may be necessary to remove the car from the trolley. Attach to wall with #14 x 2"...
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Page 7 Remove Shipping Bracket from top of Car Steel Drive Cable Travel Cable The Shipping Bracket is used to hold the car in place during shipment. Remove and discard the bracket Remove Shipping Wire Ties holding the Steel Drive Cable and Travel Cable together Important Uncoil the Steel Drive Cable and Travel Cable, ensuring they are not twisted.
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Page 9 Install Other Track Pieces and Brackets Each piece of Track has 4 Splice Bars installed in the lower end. Match track pieces Loosen the set screws (5/32" to the corresponding allen wrench) and slide the bars letter half way out and re-tighten the (A to A, B to B) set screws.
Page 10 Install Other Track Pieces and Brackets continued For 3-Stop Dumbwaiters only: Sliding Cam Insert Sliding Cam into slot of Track Sliding Cam Stop -Loosen screw to adjust to proper height The sliding cam should contact the car top switch when the car is at the middle landing.
Page 11 Set Header on top of Track and attach Steel Cable Header sets on top of the track (It is not mechanically fastened to the track) Insert end of Steel Tapped screw holes Cable into Header are for attaching the Header Cover later in the Installation The Travel Cable runs down this...
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Page 13 Make Wiring Connections at Header Connect to power. Plug-in Call-Send cables. Plug-in Interlock cables Call-Send Cables -Connectors are the same. -Cables are supplied in different lengths. The shortest cable goes to the upper floor, etc. Interlock Cables -see notes below 115 VAC 15 amp Power Connection Plug into mating...
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Page 15 Wind the Steel Cable onto the Cable Drum Run lift in the up direction (using temporary pendant control) to wind the steel cable onto the drum Temporary Pendant Control Warning! The cable should be wound onto the All Safety Devices (except for the final grooves of the drum.
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Page 17 Mount Cams on Track Final Limit Cam attaches to a threaded ‘nut bar’ inside the slot of the Track (nut bar is held in place by Upper Limit pieces of foam) Final Limit Upper Limit Cam Sliding Cam (installed in step 4) Track Final Limit Track...
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Page 19 Install Interlocks The electromechanical interlock prevents the dumbwaiter from operating if a hoistway door is opened. The hoistway door is unlocked electrically when the car is parked at a stop. Attach template to door jamb and mark mounting holes. (see template for instructions) Remove cover from interlock and fasten Interlock to door jamb with #8 wood screws.
Page 20 Install Interlocks continued Attach door keeper to hoistway door with #8-32 Attach emergency key plates to hoistway screws and tee nuts. door with #4 wood screws. (plates can be painted to match décor) 5/8" hole in door for emergency Drill 13/64" hole to receive tee-nuts Notes:...
Page 21 Test in Automatic Operation The car door(s) and hoistway doors must be closed for the dumbwaiter to run Test the following items to confirm proper setup of the dumbwaiter: Verify each call-send control ‘calls’ and ‘sends’ the dumbwaiter to the appropriate landing. Verify the floor of the dumbwaiter stops level with the sill at each stop.
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Page 23 Complete the Installation Install cover on header. Replace shroud. Use a permanent marker to mark the installation date on the data plate. 630-00092- Rev. B...
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Page 26 Ascent Dumbwaiter manufactured by Harmar Mobility LLC WARNING – HAZARDOUS SITUATION IMPORTANT SAFETY INSTRUCTIONS POST THESE INSTRUCTIONS WARNING When service or maintenance is required on this dumbwaiter the following precautions shall be followed:  Disconnect - main power supply from the dumbwaiter using appropriate LOTO-T methodologies ...
Page 27 Ascent Dumbwaiter manufactured by Harmar Mobility LLC Access to the hoistway of the dumbwaiter The Ascent dumbwaiter has a machine access door located below the lower landing door Machine Access Door 18” x 24” To be normally locked and controlled by Safety Door Switch Bottom view of dumbwaiter cab thru “machine access door”...
Page 28 Ascent Dumbwaiter manufactured by Harmar Mobility LLC WARNING! All Safety Devices are bypassed when using the Temporary Pendant Control to move the dumbwaiter (except for the final limit). Final limit will stop the dumbwaiter at the top and the bottom of the rail. The bottom of the rail has a metal mechanical stop bolted (It’s marked “DO NOT...