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Litho U.S.A.
2015
INSTALLATION INSTRUCTIONS FOR LIQUID CHARGE COMPENSATOR KIT (13U57; 614407-01
USED ON LGH/LCH 036, 048, 060, 072, 074 ROOFTOP UNITS
Shipping and Packing List
Package 1 of 1 contains:
1- Liquid charge compensator
1- Copper tube 1/4"
1- Copper tube 3/8"
1- Template
2- Straps
1- Grommet (used on 036 & 048 units only)
4- Screws
Application
The liquid charge compensator kit is used to maintain
system pressures when compressors start after long
extended periods without a cooling demand.
CAUTION
Danger of sharp metallic edges. Can cause injury.
Take care and wear protective clothing when
servicing unit to avoid accidental contact with
sharp edges.
DISCHARGE
LINE
SUCTION LINE
COMPRESSOR
PACKAGED UNITS KITS
AND ACCESSORIES
507559-01
7/2015
Supersedes 6/2015
Installation
1- Disconnect all power to unit.
2- Use an approved method of recovery to remove
The Clean Air Act of 1990 bans the intentional vent
ing of refrigerant (CFC's and HCFC's) as of July 1,
1992. Approved methods of recovery, recycling or
reclaiming must be followed. Fines and/or incar
ceration may be levied for non-compliance.
3- Remove the compressor access panel, corner
4- Unbraze and cut the liquid line as shown in figure 1.
Improper installation, adjustment, alteration, ser
vice or maintenance can cause property damage,
personal injury or loss of life. Installation and ser
vice must be performed by a licensed professional
HVAC installer or equivalent, service agency, or the
gas supplier
REMOVE SECTION OF LIQUID LINE
FIGURE 1
Page 1
LIQUID CHARGE
COMPENSATOR KIT
refrigerant from the system.
IMPORTANT
mullion, fan guard and fan blades.
WARNING
13-1/4"
CUT THE
LIQUID LINE
UNBRAZE
THE LIQUID
LINE
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Summary of Contents for Lennox 13U57
- Page 1 LIQUID CHARGE 507559-01 7/2015 COMPENSATOR KIT Supersedes 6/2015 INSTALLATION INSTRUCTIONS FOR LIQUID CHARGE COMPENSATOR KIT (13U57; 614407-01 USED ON LGH/LCH 036, 048, 060, 072, 074 ROOFTOP UNITS Shipping and Packing List Installation Package 1 of 1 contains: 1- Disconnect all power to unit.
- Page 2 5- 036 & 048 Unit Only - Cut a ½” hole in the panel as shown in figure 2. Install the grommet provided. CUT HOLE IN PANEL (036 & 048 UNITS ONLY) VIEW A VIEW B 16-1/2” CUT ½” HOLE CUT A ½”...
- Page 3 6- Units Built Before January 2015 Only - 7- Fit the shortened liquid line back in place but do NOT Locate the serial number on the unit nameplate. If the braze into place. unit was built before January of 2015, remove 4” from the vertical run of the liquid line.
- Page 4 8- Fit the ⅜” tubing, provided in this kit, into place as 9- Insert the template through the fan orifice and onto shown in figure 4. Make sure the hole in the tubing is the back side of the control area. See figure 5. Mark oriented to the right.
- Page 5 INSTALL COMPENSATOR AND ¼“ TUBING SECURE COMPENSATOR TO PANEL WITH STRAPS AND TWO SCREWS ON EACH SIDE STRAPS ROUTE ¼” TUBING THROUGH RECTANGULAR OPENING OR ½” HOLE CUT PREVIOUSLY FIGURE 6 Page 5...
- Page 6 11- Fit the ¼” tubing between the compensator and the IMPORTANT - Make sure the ¼” tubing is inserted just opening in the panel. See figure 7. inside the ⅜” liquid line; do not block refrigerant flow 12- Insert ¼” tubing into the hole on the ⅜” liquid line. See by inserting the ¼”...
- Page 7 INSERT ¼” TUBING INTO THE HOLE IN THE ⅜” TUBING FIGURE 8 13- Braze all copper joints. CAUTION 14- Use approved methods to leak check and evacuate Danger of equipment damage. the system. Avoid deep vacuum operation. Do not use com pressors to evacuate a system.
- Page 8 9- The following update sequence should occur: Firmware Update •SOFTWARE UPDATE STARTING M3 or 2.0 Unit Controller firmware must be updated to assist in maintaining system pressures. When firmware is •SOFTWARE UPDATE ERASING FLASH updated, compressor operation will be delayed up to 20 seconds after a Y1 cooling demand.