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Breathing this may cause lung cancer. Fiberglass servicing this equipment. Fiberglass wool may also cause respiratory, skin, and eye irritation. To reduce exposure to this substance or for further information, consult material safety data sheets available from address shown below, or contact your supervisor. Lennox Industries Inc. Box Dallas, TX Consult authorities appropriately sized wrench should be used and fitted who have jurisdiction before installation. Table 1 provides torque values for fasteners.
Fully insert the Table 1. Torque Requirements wrench into the valve stem recess. Parts Recommended Torque Service valve stems are factory-torqued from 9 ft-lbs for Service valve cap 8 ft. Using an Allen wrench rated at less than 50Rc risks rounding or Machine screws 10 28 in. Gauge port seal cap 8 ft. The gauges should be rated for use appropriately tightened. Table 1 lists torque values for with pressures of 0 - psig on the high side and a low fasteners.
Gauge hoses must be rated for use at up to removing refrigerant, flushing, leak testing, evacuating, psig of pressure with a psig burst rating. Each valve is equipped with a service port which has a factory-installed valve stem.
Remove stem cap with an appropriately sized wrench. Use an appropriately sized wrenched to open. To open valve, 1. Remove service port cap with an appropriately sized wrench.
Connect gauge set to service port. NOTE — A label with specific torque requirements may be affixed to the stem cap.
If the label is present, use the specified torque. Clearance to one of the other three sides must be 36 in. A clearance of 24 in. Figure 3. Refer to figure 2 for mandatory property, not from the installation property.
Install the installation clearance requirements. Glass has a very high level of sound In order to avoid injury, take proper precaution when transmission. For proper placement of unit in relation lifting heavy objects. Mount When installing unit at grade level, the top of the slab barrier 24 inches mm from the sides of the unit in the should be high enough above grade so that water from direction of prevailing winds.
The slab should have a slope tolerance as described in figure 3, Detail B. Install the unit a minimum of 6 inches mm above the This system contains both refrigerant and oil. Some roof surface to avoid ice build-up around the unit. Locate rubber roofing material may absorb oil and cause the the unit above a load bearing wall or area of the roof that rubber to swell when it comes into contact with oil. The can adequately support the unit. Consult local codes for rubber will then bubble and could cause leaks.
Protect rooftop applications. Failure to follow this winds, a wind barrier should be constructed. Size barrier at notice could result in damage to roof surface.
Removing and Installing Louvers WARNING To prevent personal injury, or damage to panels, unit or structure, be sure to observe the following: While installing or servicing this unit, carefully stow all removed panels out of the way, so that the panels will not cause injury to personnel, nor cause damage to objects or structures nearby, nor will the panels be subjected to damage e. While handling or stowing the panels, consider any weather conditions, especially windy conditions, that may cause panels to be blown around and battered.
Remove panel A first, then B, C and finally D. When reinstalling panels, reverse that order starting with panel D, C, B and finally A. This section provides information on new installation or The compressor is charged with sufficient Polyol ester oil replacement of existing line set. If a new or replacement for line set lengths up to 50 feet. Recommend adding oil to line set is not required, then proceed to Brazing system based on the amount of refrigerant charge in the Connections on page No need to add oil in system with 20 pounds of refrigerant or less.
For systems over 20 pounds - add one NOTE - When installing refrigerant lines longer than 50 ounce of every five pounds of refrigerant. Lennox Technical Support Product Applications for To obtain the correct information from Lennox, be sure to assistance.
Pay close attention to line set isolation during in table 2 and total length of installation. When properly isolated from building structures walls, ceilings. The length and bore of the RFC line non-flare series line set, or use field-fabricated refrigerant corresponded to the size of cooling unit. Mineral oils are not compatible with HFCA.
This or air conditioning system, use a filter drier must be installed to ensure a clean, regulator that can control the pressure moisture-free system. Failure to install the filter drier will down to 1 or 2 psig 6.
A replacement filter drier is available from Lennox. See Brazing Connections on page 15 for special procedures on brazing filter drier connections to the liquid line. Perform operations only in well-ventilated areas. Wear gloves and protective goggles or face shield to protect against burns. Figure 6. If this unit is being matched with an approved line set or indoor unit coil which was previously charged with mineral oil, or if it is being matched with a coil which was manufactured before January of , the coil IMPORTANT and line set must be flushed prior to installation.
Take Allow braze joint to cool before removing the wet rag care to empty all existing traps. Polyol ester POE oils from the service valve. Residual mineral oil can act as an insulator, preventing proper heat transfer. It can also clog the expansion device, and reduce the system performance and capacity. Brazing Connections Use the procedures outline in figures 7 and 8 for brazing line set connections to service valves.
Failure to follow this warning could Danger of fire. Bleeding the refrigerant result in damage, personal injury or charge from only the high side may result death. Application of a brazing purge refrigeration lines. The pipe must remain round.
Do not crimp end of the line. A Connect gauge set low pressure side to liquid line service valve service port. B Connect gauge set center port to bottle of nitrogen with regulator.
Use additional water saturated cloths underneath the valve body to protect the base paint. See steps 3A, 3B and 3C on manifold gauge set connections.
Water saturated cloths must remain water saturated throughout the brazing and cool-down process. The braze, when complete, must be quenched with water to absorb any residual heat. Refer to procedures provided in this supplement.
Apply additional water saturated cloths to both services valves to cool piping. Once piping is cool, remove all water saturated cloths.
Refer to the unit installation instructions for the next step in preparing the unit. D Remove and discard fixed orifice, valve stem assembly if present and A On fully cased coils, remove the coil access and plumbing panels.
B Remove any shipping clamps holding the liquid line and distributor E Use a field-provided fitting to temporary reconnect the liquid line to the assembly. C Disconnect the equalizer line from the check expansion valve equalizer line fitting on the vapor line. F Remove the vapor line sensing bulb.
Disconnect the liquid line from the check expansion valve at the liquid line assembly. A Inverted HCFC cylinder with clean refrigerant to the vapor service C After all of the liquid refrigerant has been recovered, switch the valve.
Allow the recovery machine to pull down to 0 C HCFC gauge set center port to inlet on the recovery machine with an the system. Pump the remaining refrigerant out of the recovery machine and turn the machine off. Figure 9. Removing Metering Device and Flushing.
In applications where an uncased coil is being devices at the indoor coil. Refer to below illustration for approved expansion valve kit match-ups. The expansion reference during installation of expansion valve unit. Finger tighten 6 5 mounted external to the coil casing.
Figure Installing Indoor Expansion Valve. When using a high pressure gas such as Approved methods of recovery, recycling or reclaiming dry nitrogen to pressurize a refrigeration must be followed. If this unit is being matched with an approved line set or indoor unit coil which was previously charged with IMPORTANT mineral oil, or if it is being matched with a coil which was manufactured before January of , the coil Leak detector must be capable of sensing HFC and line set must be flushed prior to installation.
Take refrigerant. Refrigerant performance and capacity. Failure to properly flush the system per the Failure to follow this warning may result in personal injury instructions below will void the warranty.
However, connecting it to the vapor port better protects the manifold gauge set from high pressure damage. Use the following procedure to test for leaks: A With both manifold valves closed, connect the cylinder of HFCA refrigerant to the center port of the manifold gauge set.
Open the valve on the HFCA cylinder vapor only. Weigh in a trace amount of HFCA. Close the valve on the HFCA cylinder and the valve on the high pressure side of the manifold gauge set. My system was in use for one year and likely was installed Mitsubishi Electric Mr. The many advantages of routine maintenance Just like a car, your HVAC system needs regular maintenance to operate at peak efficiency and performance. Our systems offer the highest efficiency available while reducing energy bills and maximizing comfort.
Press and release the limit control switch to rest your Lennox furnace. Step Four: To replace the furnace control access panel, follow these instructions in reverse. The unit looked 21 yrs old but all my charts say Thanks in advance.
June, Technical Hot and Cold Webb Dr. Westland, Michigan The advantages include better resistance to corrosion in salt environment and a lower upfront cost. Cons:Aluminum coils have a slightly lower heat transfer rate and more difficult repairs. Search: Rheem 3 Ton Ac Unit.
Lennox 14ACX Installation and service procedure 39 pages Pages: 39 Size: news car accident oregon Lennox models feature SEER ratings up to a staggering 26, which is twice the minimum requirement! The brand's claim to fame is their expansive line of dependable and highly efficient air conditioners. Table of Contents. Installation Instructions. Step 1 -- Setting the Unit. Fully trained and knowledgeable on all types of systems and products, your Lennox Dealer has the skill and experience to keep your system running efficiently and effectively all year round.
The compressor is the part of an air conditioner that pumps refrigerant to deliver the cooling your home needs. Model - Condenser: 13ACX Rated out of 5 based on customer ratings.
This product may be eligible for valuable Year Limited Extended Warranty coverage. The costs of the Lennox AC units in the table below were calculated with a common average size of 2. Products shown as available are normally stocked. Economical, environmentally responsible home cooling. February 10, Technical Hot and Cold.
See all photos Write a review. Lennox 13ACXN, 3. To see our price, add these items to your cart. The company offers three series: the Merit Humidity Control Pairing your air conditioner with a variable-speed furnace or air handler allows you to continuously maintain a slow circulation of air throughout your home, decreasing the amount of humidity in your home for improved.
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Without a capacitor, you air conditioning. Like other leading manufacturers, Lennox points out that pricing is as individual as your home. When you use our links to buy products.
The costs of the Lennox AC units in the table below were calculated with a common. Even in the hottest summer months, the Lennox 13ACXN series works efficiently to enhance your comfort with its Precision-balanced, direct-drive fan to keep the noise low and the. Even in the hottest summer months, the 13ACXN works efficiently to enhance your customers'. Median Sold Home Price. You can also view diagrams and manuals, review common problems that may help answer your questions, watch related.
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