Reinstall Stem Cap | Lenox Elite Series X16 Air Conditioner Units

Operating Angle Type Service Valve:

1.Remove stem cap with an appropriately sized wrench.

2.Use a service wrench with a hex−head extension (3/16" for liquid line valve sizes and 5/16" for vapor line valve sizes) to back the stem out counterclockwise as far as it will go.

SERVICE PORT CAP

	SERVICE PORT CORE
		(VALVE STEM SHOWN
TO INDOOR		CLOSED) INSERT HEX
UNIT	(VALVE STEM SHOWN OPEN)	WRENCH HERE
	INSERT HEX WRENCH HERE

	SERVICE PORT	STEM CAP
	CORE
	TO OUTDOOR UNIT
	ANGLE−TYPE SERVICE VALVE	ANGLE−TYPE SERVICE VALVE
	ANGLE−TYPE SERVICE VALVE	(FRONT−SEATED CLOSED)
	(BACK−SEATED OPENED)	(FRONT−SEATED CLOSED)
	(BACK−SEATED OPENED)
	When service valve is OPEN, the service port is	WHEN SERVICE VALVE IS CLOSED, THE SERVICE PORT IS OPEN
	open to linE set, indoor and outdoor unit.	TO THE LINE SET AND INDOOR UNIT.

Operating Ball Type Service Valve:

1.Remove stem cap with an appropriately sized wrench.

2.Use an appropriately sized wrenched to open. To open valve, rotate stem counterclockwise 90°. To close rotate stem clockwise 90°.

To Access Service Port:

A service port cap protects the service port core from contamination and serves as the primary leak seal.

1.Remove service port cap with an appropriately sized wrench.

2.Connect gauge set to service port.

3.When testing is completed, replace service port cap and tighten as follows:

TO OPEN ROTATE STEM COUNTERCLOCKWISE 90°.

TO CLOSE ROTATE STEM CLOCKWISE 90°.

TO INDOOR UNIT

BALL (SHOWN CLOSED)

VALVE

STEM

SWith torque wrench: Finger tighten and torque cap per table 1.

SWithout torque wrench: Finger tighten and use an appropriately sized wrench to turn an additional 1/6 turn clockwise.

Reinstall Stem Cap:

1/6 TURN

11 12 1

10 2

98 7 6 543

SERVICE PORT

CORE

SERVICE PORT

CAP

TO OUTDOOR

UNIT

STEM CAP

Stem cap protects the valve stem from damage and serves as the primary seal. Replace the stem cap and tighten as follows:

					1/12 TURN
S	With Torque Wrench: Finger tighten and
S	With Torque Wrench: Finger tighten and
	then torque cap per table 1.		11 12			1
	then torque cap per table 1.
S	Without Torque Wrench: Finger tight-	10					2
S	Without Torque Wrench: Finger tight-	10					2
	en and use an appropriately sized	9					3
	en and use an appropriately sized	9					3
	wrench to turn an additional 1/12 turn	8	7	6		5	4
	wrench to turn an additional 1/12 turn
	clockwise.
	clockwise.

NOTE A label with specific torque requirements may be affixed to the stem cap. If the label is present, use the specified torque.

Figure 2. Angle and Ball Service Valves

Page 5

XC16 SERIES

Elite Series X16 Air Conditioner Units, 506637-01 specifications

The Lenox 506637-01, Elite Series X16 Air Conditioner is a top-tier cooling solution that stands out in the residential HVAC market. Known for its impressive energy efficiency and advanced features, this unit is designed to provide homeowners with exceptional comfort while also keeping energy bills in check.

One of the main highlights of the Elite Series X16 is its SEER rating, which stands at an impressive 16. This makes it one of the most energy-efficient air conditioning systems available, ensuring that it operates effectively without consuming excessive power. By converting less energy into cooling, homeowners can enjoy lower utility bills and a reduced carbon footprint.

The X16 model features a two-stage cooling system, which allows for better humidity control and more even temperature distribution throughout the home. Unlike standard single-stage units that operate at full capacity at all times, the two-stage system enables the air conditioner to run at a lower, more efficient speed for the majority of its operation, only ramping up when additional cooling is needed. This not only enhances comfort but also extends the lifespan of the unit.

Incorporating advanced technology, the Elite Series X16 utilizes a high-efficiency scroll compressor and innovative airflow design. This results in quieter operation, providing a peaceful indoor environment. The noise levels are minimal, making it suitable for nighttime use or for homes where noise might be a concern.

The air conditioner is built with durability in mind, featuring a robust cabinet that protects against the elements and potential wear and tear over time. Its louvered design provides additional protection for critical components, ensuring longevity and consistent performance.

Furthermore, the X16 is compatible with smart thermostats and home automation systems, allowing homeowners to optimize their cooling schedules remotely. This connectivity helps users make informed decisions about energy usage, further enhancing efficiency while providing ultimate control over home comfort.

In summary, the Lenox 506637-01, Elite Series X16 Air Conditioner provides an excellent blend of energy efficiency, advanced technology, and a focus on comfort and durability. With its two-stage cooling system, high SEER rating, and quiet operation, it is an ideal choice for those seeking a reliable, high-performance cooling solution for their homes.