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Installation Instructions: List of Materials
• 17mm, 22mm, 26mm or Adjustable Wrench
• #2 Phillips Screwdriver
• Drill
• R-410A Approved Flaring Tool
• Hex Wrench
• Hole Saw 2 1/4"
• Level
• Manifold Gauge
• Measuring Tape
• Micron Gauge
• Mini-Split Adapter (5/16"F to 1/4"M)
• Nitrogen (consumable)
• Pipe Cutter
Model
USYM09UCDSA
USYM12UCDSA
USYM18UCDSA
USYM24UCDDA
USYM30UCDDA
USYM36UCDDA
USYM42UCDDA
USYM48UCDDA
NOTE: A factory wired controller is required as per specifications and must be ordered separately.
31-5000493 Rev. 4
Required Tools for Installation
Parts Included
Accessory Name
Flare nut for liquid tube
Flare nut for suction tube
Insulated tube (liquid line)
Insulated tube (suction line)
Outside Air Damper Wire Harness
Drain hose
Cable tie
Supplied by Installer
Liquid (inch)
Vapor (inch)
1/4
3/8
1/4
3/8
1/4
1/2
3/8
5/8
3/8
3/4
3/8
3/4
3/8
3/4
3/8
3/4
• Razor Knife
• Reamer
• Sealant, non-expanding (for line set opening)
• HVAC leak solution or refrigerant leak detector
• Stud Finder
• Torque Wrench and Back-up Wrench
• Vacuum Pump
• Wire Strippers
• Refrigerant Scale
• Usual and customary HVAC hand tools
• Dual Port Manometer
• Tachometer/Anemometer
• Thermo-coupler
Quantity
1
1
1
1
1
1
8
• Insulated copper tubing
• 14/4 (14 gauge, 4 conductor) non-shielded stranded
copper cable
• 1-1/4" PVC for condensate
• Insulation for condensate drain
• 3/8" threaded rod, washers and nuts
• R410A Refrigerant
5
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