Lennox Commercial KH 024-090 Discharge Plumbing Replacement Kit Instruction Manual

Lennox Commercial KH 024-090 Discharge Plumbing Replacement Kit

Specifications

• Product Name: Discharge Plumbing Replacement Kit
• Model Number: 16A79; 617220-01
• Compatible Units: LGX/LCX/LHX/LGH/LCH/KG/KC/KH 024-090
• Contents: Copper elbow, Copper piping with loops, Copper piping with 45-degree turn, U-shaped copper pipe, Valves, Cores, Caps

FAQs

• Q: Can I install this kit myself?
  • A: It is recommended that installation and service be performed by a licensed professional HVAC installer or equivalent.
• Q: How do I know which parts to install from the kit?
  • A: Refer to the figures provided in Table 1 for appropriate parts to install based on your unit type.
• Q: What precautions should I take during installation?
  • A: Be cautious of sharp sheet metal edges, wear gloves and protective clothing, and ensure proper evacuation and recharging of the system.

Shipping and Packing List

Package 1 of 1 contains:

• 1- Copper elbow
• 1- Copper piping with loops
• 1- Copper piping with a 45-degree turn
• 1- U-shaped copper pipe
• 1- Bag assembly containing:
  • 2- Valves (pressure taps)
  • 2- Cores
  • 2- Caps

Application

This kit is used when replacing the discharge line in LGX/ LCX/LHX/LGH/LCH/KG/KC/KH 024-090 units. IMPORTANT – Not all kit parts are installed in every unit; refer to figures for appropriate parts.

Installation

1. Disconnect all power to the unit.

2. Using approved methods, recover all refrigerant from the system.

3. Unsweat and/or cut discharge line as shown in the appropriate figure in Table 1.

4. Install the pressure taps in the elbow provided in the kit.

5. Install pressure tap cores.

6. Replace the liquid line filter drier.

7. After plumbing fits in place, braze all joints.

8. Properly evacuate the system.

9. Recharge the system using the nameplate amount of refrigerant and install pressure tap caps.
   TABLE 1

   Unit| Figure
   All-Aluminum OD Coil / Non-Reheat / Non-Heat Pump| 1
   Fin-Tube OD Coil / Non-Reheat / Non-Heat Pump| 2
   Heat Pump and Reheat| 3

   • IMPORTANT: Crankcase heater should be energized 24 hours before unit start-up to prevent compressor damage as a result of slugging.
   • WARNING Improper installation, adjustment, alteration, service, or maintenance can cause property damage, personal injury, or loss of life. Installation and service must be performed by a licensed professional HVAC installer or equivalent, service agency, or the gas supplier.
   • CAUTION As with any mechanical equipment, contact with sharp sheet metal edges can result in personal injury. Take care while handling this equipment and wear gloves and protective clothing.
   • IMPORTANT The Clean Air Act of 1990 bans the intentional venting of refrigerants (CFCs and HCFCs) as of July 1, 1992. Approved methods of recovery, recycling, or reclaiming must be followed. Fines and/or incarceration may be levied for non-compliance.
   • WARNING Danger of explosion. Can cause injury, death, or equipment damage. Do not use oxygen to pressurize the refrigerant system. Oxygen and oil can combine to cause an explosion.
   • CAUTION Danger of equipment damage. Avoid deep vacuum operation. Do not use compressors to evacuate a system. Extremely low vacuums can cause internal arcing and compressor failure. Damage caused by deep vacuum operation will void the warranty.
   • CAUTION Danger of equipment damage. Be sure to attach the vacuum pump to the discharge and suction lines. Failure to do so may result in an incomplete vacuum and compressor damage.

INSTALLATION INSTRUCTIONS FOR PLUMBING REPLACEMENT KIT (16A79; 617220-01) USED WITH LGX/LCX/LHX/LGH/LCH/KG/KC/KH 024-090 UNITS

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