31-5000493 Rev. 4
5
Installation Instructions: List of Materials
Required Tools for Installation
Supplied by Installer
• 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
• 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
• 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
Model
Liquid (inch) Vapor (inch)
USYM09UCDSA
1/4
3/8
USYM12UCDSA
1/4
3/8
USYM18UCDSA
1/4
1/2
USYM24UCDDA
3/8
5/8
USYM30UCDDA
3/8
3/4
USYM36UCDDA
3/8
3/4
USYM42UCDDA
3/8
3/4
USYM48UCDDA
3/8
3/4
NOTE:
A factory wired controller is required as per specifications and must be ordered separately.
Parts Included
Accessory Name
Quantity
Flare nut for liquid tube
1
Flare nut for suction tube
1
Insulated tube (liquid line)
1
Insulated tube (suction line)
1
Outside Air Damper Wire Harness
1
Drain hose
1
Cable tie
8