Table of Contents
Advertisement
Quick Links
THIS MANUAL MUST BE LEFT WITH THE
HOMEOWNER FOR FUTURE REFERENCE
IMPORTANT
If installing in an R454B application, R454B coil sensor kit
(26Z69), Refrigerant Detection System Control (27A02
or 27A03) and R454B TXV (26Z70, 26Z71, or 26Z72)
must be ordered. If installing in R454B application, use
installation instructions provided in R454B coil sensor
kit (26Z69).
For sensor maintenance recommendations, refer to the
instructions in kit 26Z69.
For non-communicating furnaces, order kit 27A02. For
communicating furnaces, order 27A03.
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.
IMPORTANT
The Clean Air Act of 1990 bans the intentional venting of
refrigerant (CFCs, HCFCs and HFCs) as of July 1, 1992.
Approved methods of recovery, recycling or reclaiming
must be followed. Fines and/or incarceration may be
levied for noncompliance.
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.
NOTE - This unit CK40HT is a PARTIAL UNIT AIR CON-
DITIONER, complying with PARTIAL UNIT requirements
of this Standard, and must only be connected to other
units that have been confirmed as complying to corre-
sponding PARTIAL UNIT requirements of this Standard,
UL 60335-2-40/CSA C22.2 No. 60335-2-40, or UL 1995/
CSA C22.2 No 236.
Partial units shall only be connected to an appliance suit-
able for the same refrigerant
INSTALLATION
INSTRUCTIONS
CK40HT Series Coils - R410A
INDOOR COILS
508428-01
4/2024
Table of Contents
Model Number Identification ...........................................2
Releasing Air Charge .....................................................3
Installation .....................................................................3
Refrigerant Line Connections ........................................5
Leak Testing, Evacuating and Charging ........................5
Sealing Ducts ................................................................5
Condensate Drain Connections .....................................6
Blower Speed Selection ................................................7
Maintenance ..................................................................8
Decommissioning ..........................................................9
Shipping and Packing List
Package 1 of 1 contains:
1 - Evaporator coil
Check the components for shipping damage; if found, im-
mediately contact the last carrier.
Every working procedure that affects safety means shall
only be carried out by competent persons. This appliance
is not to be used by persons (including children) with
reduced physical, sensory or mental capabilities, or
lack of experience and knowledge, unless they have
been given supervision or instruction concerning use of
the appliance by a person responsible for their safety.
Children should be supervised to ensure they do not
play with the appliance.
Maximum Altitude of application is 3200m above sea
level.
General Information
CK40HT all-aluminum coil horizontal evaporator coils
are designed for use with air conditioners and heat pumps
and are supplied with a factory-installed HFC-410A check/
expansion valve.
The coil drain pan has a maximum service temperature
of 500°F. The drain pan must be at least 2" away from a
standard gas-fired furnace heat exchanger and at least
4" away from any drum-type or oil-fired furnace heat ex-
changer. Closer spacing may damage the drain pan and
cause a leak.
IMPORTANT: Special procedures are required for clean-
ing the aluminum coil in this unit. See page 8 in this in-
struction for information.
Page 1
WARNING
WARNING
Advertisement
Table of Contents
Related Manuals for Lennox CK40HT Series
Summary of Contents for Lennox CK40HT Series
-
Page 1: Table Of Contents
INSTALLATION INSTRUCTIONS CK40HT Series Coils – R410A INDOOR COILS 508428-01 4/2024 Table of Contents Model Number Identification ...........2 THIS MANUAL MUST BE LEFT WITH THE Releasing Air Charge .............3 HOMEOWNER FOR FUTURE REFERENCE Installation ..............3 IMPORTANT Refrigerant Line Connections ........5 Leak Testing, Evacuating and Charging ......5... -
Page 2: Model Number Identification
Refer to the Product Specification bulletin (EHB) for the These instructions are intended as a general guide and proper use of these coils with specific furnaces, outdoor do not supersede local or national codes in any way. Au- units and line sets. thorities who have jurisdiction should be consulted before installation. -
Page 3: Releasing Air Charge
Fins per inch Shipping Data - lbs. SP EC I FI CAT I ON S 3. 5 TO 4 TON Size Nominal Tonnage Furnace Cabinet Matching Letter Width Coil & Furnace Cabinet Width - in. 17-1/2 17-1/2 Connections Liquid line (OD) sweat - in. Suction line (OD) sweat - in. - Page 4 NOTE – When the coil is connected directly with a con- densing furnace, the coil must be level from return end to supply end. The front (access side) of the furnace may be TEST HOLE FIELD FABRICATED pitched downward up to 1 inch to accommodate a ½-inch INSULATED BLOCK- OFF PLATE pitched coil.
-
Page 5: Refrigerant Line Connections
Refrigerant Line Connections PLACE A WET RAG AGAINST COIL CABINET AND AROUND LINE SIZES THE SUCTION LINE CONNECTION. The refrigerant line sets should be sized according to the BRAZE CONNECTION. ALLOW recommendations given in the air conditioner or heat pump PIPE TO COOL BEFORE unit installation instructions. -
Page 6: Best Practices
MAIN DRAIN WARNING Connect the main drain and route downward to drain line or sump. Do not connect drain to a closed waste system. There must be an airtight seal between the bottom of See figure 9 for typical drain trap configuration. the air handler and the return air plenum. -
Page 7: Blower Speed Selection
OVERFLOW DRAIN LINE ABOVE ALWAYS RUN AN OVERFLOW DRAIN LINE. IF NOT POSSIBLE TO FINISHED ROUTE OVERFLOW DRAIN LINE, INSTALL LOW VOLTAGE SPACE? VENT MUST EXTEND OVERFLOW SWITCH KIT. WIRE SHUT DOWN ABOVE HEIGHT OF COMPRESSOR PER INSTRUCTIONS. COIL DRAIN PAN BY TWO INCHES VENT OEM CATALOG#... -
Page 8: Nameplate Marking
Use of Coil-Furnace System During Construction Lennox does not recommend the use of its coil-furnace FIGURE 10. Nameplate Marking system during any phase of construction. Very low return air tem peratures, harmful vapors and operation of the unit Maintenance with clogged or misplaced filters will damage the unit. -
Page 9: Decommissioning
d) Pump down refrigerant system, if possible. Decommissioning e) If a vacuum is not possible, make a manifold so that Before carrying out this procedure, it is essential that the refrigerant can be removed from various parts of the technician is completely familiar with the equipment and system.
Need help?
Do you have a question about the CK40HT Series and is the answer not in the manual?
Questions and answers