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TXV Kits How to apply a TXV kit to an evaporator coil – Initial installation.

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Presentation on theme: "TXV Kits How to apply a TXV kit to an evaporator coil – Initial installation."— Presentation transcript:

1 TXV Kits How to apply a TXV kit to an evaporator coil – Initial installation

2 Coil Preparation Relieve the pressure from the coil by loosening the 13/16 nut 1 turn only. Remove the nut and discard the black seal

3 Coil Preparation Remove the check piston and discard

4 Coil Preparation Use a tube cutter to remove the spin closure on the suction line

5 Coil Preparation Remove the tailpiece clamped to the exterior

6 Suction Line Connection Slide back the suction line grommet before brazing Insert the TXV equalizer line with flare nut into the grommet Then insert the suction line tubing (line set)

7 Suction Line Connection Braze suction line tubing (line set) to the suction line field connection on coil

8 Expansion Valve Connection Connect expansion valve outlet to flowrator body. Make sure Teflon seal is in place

9 Expansion Valve Connection Slide the 13/16 nut into position. Braze tailpiece to the liquid tube (line set)

10 Expansion Valve Connection AFTER THE TAILPIECE HAS COOLED, position the white Teflon seal and hand tighten the nut

11 Expansion Valve Connection Torque the 13/16 nut to ft/lb

12 Expansion Valve Connection Connect equalizer tube with 1/4 flare nut to suction line fitting on the suction manifold (internal to the case)

13 Expansion Valve Connection Torque to 8-10 ft/lb Dress the tube to avoid rubbing and replace the grommet

14 Expansion Valve Connection Secure expansion valve bulb to suction line (exterior to the case) with banding straps provided at the 10 oclock or 2 oclock position IMPORTANT: Insulate the bulb and adjacent area

15 Wrap Up Finally – Check for leaks

16 Thank You!


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