Allied Air Enterprises 4AC16LT manual Outside Unit Placement Installation

Outside Unit Placement

and Installation

Install unit away from windows

Two 90° elbows installed in lineset will reduce lineset vibration

Figure 4

copper-to-brass or copper-to-steel brazing) which are rated for use with R410A refrigerant.

4.Remove the Schrader core assemblies before brazing to protect them from damage due to extreme heat. Replace the cores when brazing is complete.

5.Remove light maroon washers from service valves and shield light maroon stickers to protect them during brazing. Wrap a wet cloth around the valve body and copper tube stub to protect it from heat damage.

6.Braze the line set to the service valve. Quench the joints with water or a wet cloth to prevent heat damage to the valve core and opening port. The tube end must stay bottomed in the fitting during final assembly to ensure proper seating, sealing, and rigidity.

7.Install a thermal expansion valve (which is sold separately and which is approved for use with R410A refrigerant) in the liquid line at the indoor coil (see

Refrigerant Metering Device on page 8).

Refrigerant Line Sets: Installing Horizontal Runs

To hang line set from joist or rafter, use either metal strapping material or anchored heavy nylon wire ties.

8’

Wire Tie

(around vapor line only)

Strapping Material

(around vapor line only)

Floor Joist or

Roof Rafter

Tape or Wire Tie

8’

Strap the vapor line to the joist or rafter at 8’ intervals then strap the liquid line to the vapor line.

Metal Sleeve

Floor Joist or Roof Rafter

Tape or Wire Tie

Figure 5

506467-01 Issue 1008 Page 5