everwell AC 210-240 High Efficiency Air Handler Owner’s Manual

: July 17, 2024
: everwell

Table of Contents

AC 210-240 High Efficiency Air Handler
Specifications:
Product Usage Instructions:
1. Safety Precautions
2. Installation
3. Operation
- FAQ:
Q: Can I install this unit myself?
Q: What should I do in case of power failure?
- Read User Manual Online (PDF format)
- Download This Manual (PDF format)

AC 210-240 High Efficiency Air Handler

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Specifications:

Model: High Efficiency Air-Handler
SEER: Up to 15
Capacity: 1.5 to 5 tons
Indoor Split-System Unit

Product Usage Instructions:

1. Safety Precautions

Before proceeding with installation or servicing, ensure to
follow these safety precautions:

Disconnect all power to the unit before beginning any
work.
Ensure all necessary disconnect switches are turned off to
de-energize the equipment.
If removing the blower assembly, make sure all power sources
are disconnected and locked to prevent electrical shock.
Installation, service, and maintenance should be carried out by
trained service personnel.
Do not operate the unit with access panels removed.

2. Installation

Installation should be performed by qualified service personnel
in accordance with national, state, and local codes. Follow these
steps:

Read the manual thoroughly before starting installation.
Ensure compliance with all safety precautions mentioned
above.
Refer to unit dimensions provided in the manual for proper
placement.

3. Operation

After installation, follow these guidelines for proper
operation:

Only licensed service personnel should adjust or operate the
unit.
Maintain the unit according to the manufacturer’s
recommendations.
Regularly clean or replace filters as needed.

FAQ:

Q: Can I install this unit myself?

A: It is recommended that installation, adjustment, and
operation be carried out by qualified licensed service personnel.
Consumer service is only recommended for filter
cleaning/replacement.

Q: What should I do in case of power failure?

A: In case of a power failure, ensure to disconnect all power
sources to the unit and follow safety guidelines before attempting
any maintenance or repairs.

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INSTALLATION and OWNER’S MANUAL FOR HIGH EFFICIENCY AIR-HANDLER

RECOGNIZE THIS SYMBOL AS AN INDICATION OF IMPORTANT SAFETY INFORMATION

WARNING
These instructions are intended as an aid to qualified licensed service personnel for proper installation, adjustment and operation of this unit. Read these instructions thoroughly before attempting installation or operation. Failure to follow these instruction may result in improper installation, adjustment, service or maintenance possibly resulting in fire, electrical shock, property damage, personal injury or death.

R
Unitary Small AC 210/240
Certification applies only When the complete system is listed with AHRI.
R
Unitary Small HP 210/240
Certification applies only When the complete system is listed with AHRI.

DO NOT DESTROY THIS MANUAL Please read carefully and keep in a safe place for future reference by a serviceman.

INSTALLATION and OWNER’S MANUAL
INDOOR SPLIT-SYSTEM UNIT MODELS:UP TO 15 SEER 1.5 TO 5 TONS
CONTENTS
1.0 SAFETY ………………………………………………………………………………………………………………………………. 2 2.0 GENERAL ……………………………………………………………………………………………………………. 3
2.1 UNIT DIMENSIONS. ……………………………………………………………………………………………………….. 4 3.0 APPLICATIONS ……………………………………………………………………………………………………………………….. 5
3.1 VERTICAL UPFLOW ………………………………………………………………………………………………………………… 5 3.2 HORIZONTAL ……………………………………………………………………………………………………………………………. 5 4.0 ELECTRICAL WIRING ………………………………………………………………………………………………………………………….. 6 4.1 POWER WIRING ………………………………………………………………………………………………………………………. 6 4.2 CONTROL WIRING …………………………………………………………………………………………………….. 6 4.3 GROUNDING …………………………………………………………………………………………………………….. 6 4.4 ELECTRICAL DATA …………………………………………………………………………………………………………… 6 5.0 REFRIGERANT CONNECTIONS …………………………………………………………………………………………………………… 7 5.1 CONDENSATE DRAIN TUBING …………………………………………………………………………………………………………. 7 6.0 AIR FILTER (not factory- installed) …………………………………………………………………………………………… 7 7.0 FILTER INSTALLATION DIMENSIONS …………………………………………………………………………………………………….. 8 8.0 WIRING DIAGRAM ……………………………………………………………………………………………………………………. 9 9.0 ELECTRIC WIRING GAUGE ………………………………………………………………………………………………………………………. 11
1

This document is customer property and is to remain with this unit. These instructions do not cover all the different variations systems nor does it provide for every possible contingency to be met in connection with installation. All phases of this installation must comply with NATIONAL STATE AND LOCAL CODES. If additional information is required please contact your local distributor.
1.0 SAFETY
WARNING
Disconnect all power to unit before installing or servicing. More than one disconnect switch may be required to de-energize the equipment. Hazardous voltage can cause server personal injury or death.
WARNING
If removal of the blower assembly is required , all disconnect switches supply-ing power to the equipment must be de-energized and locked (if not in sight of unit) so the field power wires can be safely removed from the blower assembly. Failure to do so can cause electrical shock resulting in personal injuring or death.
WARNING
Because of possible damage to equipment or personal injury, installation, service, and maintenance should be performed by a trained, qualified service personnel. Consumer service is recommended only for filter cleaning/ replacement. Never operate the unit with the access panels removed.
WARNING
These instructions are intended as an aid to qualified, licensed service personnel for proper installation, adjustment and operation of this unit. Read these instructions thoroughly before attempting installation or operation. Failure to follow these instructions may result in improper installation, adjust-ment, service or maintenance possibly resulting in fire, electrical shock, prop-erty damage, personal injury or death.
WARNING
The unit must be permanently grounded. Failure to do so can result in electrical shock causing personal injury or death.
WARNING

WARNING
PROPOSITION 65: This appliance contains fiberglass insulation. Respirable particles of fiberglass are known to State of California to cause cancer. All manufacturer products meet current federal OSHA Guidelines for safety. California Proposition 65 warnings are required for certain products, which are not covered by the OSHA standards. California’s Proposition 65 requires warnings for products sold in California that contain or produce any of over 600 listed chemicals known to the State of California to cause cancer or birth defects such as fiberglass insulation, lead in brass, and combustion products from natural gas. All “new equipment” shipped for sale in California will have labels stating that the product contains and / or produces Proposition 65 chemicals. Although we have not changed our processes, having the same label on all our product facilitates manufacturing and shipping. We cannot always know “when, or if” products will be sold in the California market. You may receive inquiries from customers about chemicals found in, or produced by, some of our heating and air-conditioning equipment, or found in natural gas used with some of our products. Listed below are those chemicals and substances commonly associated with similar equipment in our industry and other manufacturers.
Glass Wool (Fiberglass) Insulation Carbon Monoxide (CO). Formaldehyde Benzene More details are available at the Websites for OSHA (Occupational Safety and Health Administration), at www.osha.gov and the State of California’s OEHHA (Office of Environmental Health Hazard Assessment ), at www.oehha.org. Consumer education is important since the chemicals and substances on the list are found in our daily lives. Most consumers are aware that products present safety and health risks, when improperly used, handled and maintained.
WARNING
The first 36 inches of supply air plenum and ductwork must be constructed of sheet metal as required by NFPA 90B. The supply air plenum or duct must have a solid sheet metal bottom directly under the unit with no openings, registers or flexible air ducts located in it. If flexible supply air ducts are used they may be located only in the vertical walls of rectangular plenum, a minimum of 6 inches from the solid bottom. Metal plenum of duct may be connected to the combustible floor base, if not, it must be connected to the unit supply duct exposed to the supply air opening from the down flow unit. Exposing combustible (non-metal) material to the supply opening of a down-flow unit can cause a fire resulting in property damage, personal injury or death. Exception warning to downflow: Installations on concrete floor slab with supply air plenum and ductwork completely encased must be not less than 2 inches of concrete (See NFPA 90A).

Make sure the blower motor support is tight (3-motor mount bolts) then check to see if wheel is secured to motor shaft before operating unit.
BLOWER MOTOR SHIPPING BOLT
Fig.1 Checking motor fix status

2

2.0 GENERAL
The unit can be positioned for bottom return air in the up flow position, left and right return in the horizontal position, top return in down flow position. This Air Handler provides the flexibility for installation in any up flow or down flow horizontal application. The direct drive motors provides a selection of air volume to match any application. 3-Speed motors provide selections of air flow to meet desired applications. Top and side power and control wiring, accessible screw terminals for control wiring all combine to make the installation easy, and minimize installation cost. Please contact your local distributor. See Fig.6. Do not install unit in an area where flammable materials are present due to the risk of an explosion resulting in serious injury or death.
The appliance is only intended to supply conditioned air to one room. If the supporting structural members are not strong enough to take the unit’s weight, the unit could fall out of place and cause serious injury. If a return-air duct is not installed, carefully select the place and method of product installation so that air flow into the product will not be blocked. The unit should be installed in a level position to ensure proper condensation drainage. Up to an additional ¼” rise over the width or depth of the unit is allowed to create additional sloping towards thedrain. Unit must be positioned between level and ¼” rise, sloping toward the drain connections. Install the indoor and outdoor unit, power supply wiring and connecting wires at least 3.5 ft. away from televisions or radios in order to prevent image interference or noise. To ensure the proper installation, select a solid and level site. Ensure enough space maintained for installation and maintenance.See Fig.2 and Fig.3.

When the unit is installed in a hot and humid place, If the humidity inside the installation space might exceed 86 and RH 80%, it is recommended to insulate the cabinet exterior. Use glass wool or polyethylene foam as insulation so that the thickness is more than 2 in. and fits inside the installation space opening. Respectively, condensation may form on the surface of the insulation. Be sure to use insulation that is designed for use with HVAC Systems. Condensation may form on the product during cool operation. It is also recommended to use second drain pan and secure the unit firmly to prevent it from falling. see Fig.4 and Fig.5 .
WARNING
Supply duct is intended to handle conditioned air for circulation through a duct supplying only one room. Room space may be partitioned into rooms within the same unit, but supply air is not to be delivered to any other rooms.

AIRFLOW

40″

Fig.2 Clearances in the horizontal position

0

Second drain pan Drain piping Fig.4 Installed vertically

0

25″

0

Front of unit

Fig.3 Clearances in the vertical position

Drain piping

Second drain pan

Fig.5 Installed horizontally

3

2.1 UNIT DIMENSIONS
SUPPLY AIR HIGH VOLTAGE CONNECTION
A

LOW VOLTAGE CONNECTION

10-1/2″

ELECTRICAL CONNECTIOS MAY EXIT TOP OR EITHER SIDE

UPFLOW UNIT SHOWN;

UNIT MAY BE INSTALLED UPFLOW, DOWNFLOW,

HORIZONTAL RIGHT, OR LEFT AIR SUPPLY.

H

VAPOR LINE CONNECTION COPPER (SWEAT)

LIQUID LINE CONNECTION COPPER (SWEAT)
AUXILIARY DRAIN CONNCECTION 3/4″ FEMALE PIPE THREAD (NPT)

D

PRIMARY DRAIN CONNCECTION 3/4″ FEMALE PIPE THREAD (NPT)

W
NOTE: 25″ CLEARANCE IS REQUIRED IN THE FRONT OF THE UNIT FOR FILTER AND COIL MAINTENANCE.

DIMENSIONAL DATA

Fig.6 DIMENSIONS

MODEL SIZE UNIT HEIGHT

“H” IN. [mm]

18K

45-3/4″[1162]

24K

45-3/4″[1162]

30K

45-3/4″[1162]

36K

45-3/4″[1162]

42K

45-3/4″[1162]

48K

53-1/8″[1350]

60K

53-1/8″[1350]

UNIT WIDTH “W” IN.[mm] 19-5/8″[500] 19-5/8″[500] 19-5/8″[500] 19-5/8″[500] 19-5/8″[500] 22″[560] 22″[560]

Dimensions inch[mm]

UNIT LENGHT SUPPLYDUCT “D” IN. [mm] “A” IN[mm]

22″[560] 22″[560] 22″[560] 22″[560] 22″[560] 24-1/2″[623] 24-1/2″[623]

17-7/8″[454] 17-7/8″[454] 17-7/8″[454] 17-7/8″[454] 17-7/8″[454] 19-1/2″[496] 19-1/2″[496]

LIQUID LINE/ VAPOR LINE IN
3/8″ / 3/4″ 3/8″ / 3/4″ 3/8″ / 3/4″ 3/8″ / 3/4″ 3/8″ / 3/4″ 3/8″ / 7/8″ 3/8″ / 7/8″

4

3.0 APPLICATIONS
3.1 VERTICAL UPFLOW
1)Vertical Upflow configuration is the factory set on all models (see Fig 6) 2) If a side return air opening is required, field fabricate a return air plenum with an opening large enough to supply unit and strong enough to support unit weight. 3) If return air is to be ducted, install duct flush with floor. Use fireproof resilient gasket 1/8 to 1/4 in. thick between the ducts, unit and floor. Set unit on floor over opening.
IMPORTANT NOTE
Torque applied to drain connections should not exceed 15.ft.lbs.(see Fig.6&7)

A
ENSURE THE RETAINING CHANNEL IS FULLY ENGAGED
Rails WITH THE COIL RAIL. Rails
A
AIRFLOW
Rails

1-9/16 1-11/25 1-4/25
2-2/3 AIRFLOW

1-7/10

2-15/16

1-2/5 2-15/16

Fig.7 DIMENSIONS FOR FRONT CONNECT COIL

3.2 HORIZONTAL
Horizontal right is the default factory configuration for the units. Horizontal left isn’t the default factory configuration for the units. Conversion to Horizontal left: A vertical upflow unit may be converted to horizontal left by removing indoor coil assembly and reinstalling coil as shown for left hand air supply. 1)Rotate unit into the downflow position, with the coil compartment on top and the blower compartment on bottom. See Fig. 8. 2)Reinstall the indoor coil 180° from original position. Ensure the retaining channel is fully engaged with the coil rail. See Fig. 8. 3)Secondary drain pan kits are recommended when the unit is configured for the horizontal position over a finished ceiling and/or living space.

Fig.8 VERTICAL DOWNFLOW & HORIZONTAL LEFT APPLICATIONS

5

4.0 ELECTRICAL WIRING
Field wiring must comply with the National Electric Code and any applicable local ordinance.
WARNING
Disconnect all power to unit before installing or servicing. More than one disconnect switch may be required to de-energize the equipment. Hazard-ous voltage can cause severe personal injury or death.
4.1 POWER WIRING
It is important that proper electrical power is available for connection to the unit model being installed. See the unit nameplate, wiring diagram and electrical data in the installation instructions.
If required, install a branch circuit disconnect of adequate size, located within sight of , and readily accessible to the unit. IMPORTANT: After the Electric Heater is installed, units may be equipped with one, two, or three 30/60 amp. circuit breakers. These breaker(s) protect the internal wiring in the event of a short circuit and serve as a disconnect. Circuit breakers installed within the unit do not provide over-current protection of the supply wiring and therefore may be sized larger than the branch circuit protection. Supply circuit power wiring must be 75°C minimum copper conductors only. See Electrical Data In this section for ampacity, wire size and circuit protector requirement. Supply circuit protective devices may be either fuses or “HACR” type circuit breakers. Power wiring may be connected to either the right, left side or top. concentric knockouts are provided for connection of power wiring to unit.
4.2 CONTROL WIRING
IMPORTANT: Class 2 low voltage control wiring should not be run in conduit with main power wiring and must be separated from power wiring, unless class 1 wire of proper voltage rating is used. Low voltage control wiring should be 18 Awg. colorcoded. For lengths longer than 100 ft., 16 Awg. wire should be used. See wiring diagrams attached to indoor and outdoor sections to be connected. Make sure, after installation, separation of control wiring and power wiring has been maintained.

4.3 GROUNDING
WARNING
The unit must be permanently grounded. Failure to do so can result In electrical shock causing personal injury or death.
Grounding may be accomplished by grounding metal conduit when installed in accord ance with electrical codes to the unit cabinet. Grounding may also be accomplished by attaching ground wire(s) to ground lug(s) provided in the unit wiring compartment. Ground lug(s) are located close to wire entrance on left side of unit (up-flow). Lug(s) may be moved to marked locations near wire entrance on right side of unit (upflow). If alternate location is more convenient. Use of multiple supply circuits require grounding of each circuit to lug(s) provided in unit.

4.4 ELECTRICAL DATA

MODEL VOLTAGE HERTS HP RPM SPEEDS

18K 208/230 60 1/4 830

3

24K 208/230 60 2/7 910

3

30K 208/230 60 1/2 950

5

36K 208/230 60 1/2 990

5

42K 208/230 60 3/4 1065

5

48K 208/230 60 3/4 970

5

60K 208/230 60 3/4 970

5

CIRCUIT AMPS.
1.8 2.3 2.8 4.0 4.5 5.2 5.4

MAXIMUM CIRCUIT PROTECTOR 3(A) 3(A) 3(A) 6(A) 6(A) 6(A) 6(A)

Applicable to 15SEER

The air distribution system has the greatest effect on airflow. The duct system is totally controlled by the contractor. For this reason, the contractor should use only industry-recognized procedures. Heat pump systems require a specified airflow. Each ton of cooling requires between 350 and 450 cubic feet of air per minute (CFM), or 400 CFM nominally. Duct design and construction should be carefully done. System performance can be lowered dramatically through bad planning or workmanship. Air supply diffusers must be selected and located carefully. They must be sized and positioned to deliver treated air along the perimerter of the space. If they are too small for their intended airflow, they become noisy. If they are not located properly, they cause drafts. Reture air grilles must be properly sized to carry air back to the blower. If they are too small, they also cause noise. The installers should balance the air distribution system to ensure proper quiet airflow to all rooms in the home. This ensures a comfortable living space. An air velocity meter or airflow hood can give a reading of system CFM.

6

5.0 REFRIGERANT CONNECTIONS
Keep the coil connections sealed until refrigerant connections are made. See the Installation Instructions for the outdoor unit for details on line sizing, tubing installation, and charging information. Coil is shipped with “No charge”. Evacuate the system before charging with refrigerant. Install refrigerant tubing so that it does not block service access to the front of the unit. Nitrogen should flow through the refrigerant lines while brazing. Use a brazing shield to protect the cabinet’s paint and a wet rag to protect the rubber grommet from being damaged by torch flames. After the refrigerant connections are made, seal the gap around the connections with pressure sensitive gasket.
5.1 CONDENSATE DRAIN TUBING
Consult local codes for specific requirements.
CONDENSATE DRAIN TRAP
DO NOT OPERATE UNIT WITHOUT CONDENSATE DRAIN TRAP.

UNIT

DO NOT OVERTIGHTEN DRAIN FITTING TOWARD DRAIN CONNECTION UNIT MUST BE SLIGHTLY INCLINED

TO APPROVED DRAIN

Fig. 9 CONDENSATE DRAIN TRAP

IMPORTANT:
1. When making drain fitting connections to the drain pan, use a thin layer of Teflon paste, silicone or Teflon tape and install, hand tighten. 2. When making drain fitting connections to drain pan, do not over tighten. Over tightening fittings can split pipe connections on the drain pan. Install drain lines so they do not block service access to front of the unit. Minimum clearance of 24 inches is required for filter, coil or blower removal and service access. Make sure unit is level or pitched slightly toward primary drain connection so that water will drain completely from the pan. (See Fig. 9) Do not reduce drain line size less than connection size provided on condensate drain pan. All drain lines must be pitched downward away from the unit a minimum of 1/8″per foot of line to ensure proper drainage. Do not connect condensate drain line to a closed or open sewer pipe. Run condensate to an open drain or run line to a safe outdoor area. The drain line should be insulated where necessary to prevent sweating and damage due to condensate forming on the outside surface of the line.

Make provisions for disconnecting and cleaning of the primary drain line should it become necessary. Install a 3 inch trap in the primary drain line as close to the unit as possible. Make sure that the top of the trap is below connection to the drain pan to allow complete drainage of pan (See Fig. 9). Auxiliary drain line should be run to a place where it will be noticeable if it becomes operational. Homeowner should be warned that a problem exists if water should begin running from the auxiliary drain line. Plug the unused drain connection with the plugs provided in the parts bag, using a thin layer of teflon paste, silicone or teflon tape to form a water tight seal. Test condensate drain pan and drain line after installation is complete. Pour water into drain pan, enough to fill drain trap and line. Check to make sure drain pan is draining completely, no leaks are found in drain line fittings, and water is draining from the termination of the primary drain line.
6.0 AIR FILTER (not factory-installed)
External filter or other means of filtration is required. Units should be sized for a maximum of 300 feet/min. air velocity or what is recommended for the type filter installed. Filter application and placement are critical to airflow, which may affect the heating and cooling system performance. Reduced airflow can shorten the life of the system’s major components, such as motor, limits, elements, heat relays, evaporator coil or compressor. Consequently, we recommend that the return air duct system have only one filter location. For systems with a return air filter grill or multiple filter grills, can have a filter installed at each of the return air openings. If adding high efficiency filters or electronic air filtration systems, it is very important that the air flow is not reduced. If air flow is reduced the overall performance and efficiency of the unit will be reduced. It is strongly recommended that a profesional installation technician is contacted to ensure installation of these such filtration systems are installed correctly. IMPORTANT: DO NOT DOUBLE FILTER THE RETURN AIR DUCT SYSTEM. DO NOT FILTER THE SUPPLY AIR DUCT SYSTEM. THIS WILL CHANGE THE PERFORMANCE OF THE UNIT AND REDUCE AIRFLOW .
WARNING
Do not operate the system without filters. A portion of the dust entrained in the air may temporarily lodge In the duct runs and at the supply registers. Any circulated dust particles could be heated and charred by contact with the air handler elements. This residue could soil ceilings, walls, drapes, carpets and other articles in the house. Soot damage may occur with filters in place, when certain types of candles, oil lamps or standing pilots are burned.

7

7.0 FILTER INSTALLATION DIMENSIONS
COVER FOR AIR FILTER
AIR FILTER

Fig. 10 EXTERNAL FILTER BASE

DIMENSIONAL DATA
MODEL 18/24/30/36/42
48/60

FILTER SIZE IN[mm] 18.1×21.4[460×544] 20.5×23.8[521×605]

NOTE:The thickness of the filter should within 1″[25mm].

AIR FILTER REMOVAL
1.Tear down the two bolts signed A and B, take down the cover for air filter, see in Figure 4. 2. Hold the edge of the air filter and extract out . 3. Clean the air filter (Vacuum cleaner or pure water may be used to clean the air filter. If the dust accumulation is too heavy, use soft brush and mild detergent to clean it and dry out in cool place) .

8

8.0 WIRING DIAGRAM
1. To avoid the electrical shock, please connect the air conditioner with the ground lug. The main power plug in the air conditioner has been joined with the ground wiring, please don’t change it freely. 2. The power socket is used as the air conditioner specially. 3. Don’t pull the power wiring hard. 4. When connecting the air conditioner with the ground, observe the local codes. 5. If necessary, use the power fuse or the circuit, breaker or the corresponding scale ampere.

Auxiliary Heat

W2

Emergency Heat

W1/E

Comp

Y

Fan

G

24 VAC Common

C

24 VAC Power

R

THERMOSTAT

R C G W1 W2
INDOOR UNIT

YC
OUTDOOR UNIT

Wiring connection for A/C Systems

Auxiliary Heat

W2

Emergency Heat

W1/E

Changeover Valve

B

Comp

Y

Fan

G

24 VAC Common

C

24 VAC Power

R

THERMOSTAT

R C G W1 W2 INDOOR UNIT

R C Y B W1 OUTDOOR UNIT

Wiring connection for H/P Systems

9

9.0 ELECTRIC WIRING GAUGE
Note: The cross-section areas of wires or lines should not be less than the corresponding ones listed in the table below;
Besides, if the power wires is quite long from the unit, please choose the windings with larger cross-section area to guarantee the normal power supply.

Model (cooling only type )

18K 24K 30K 36K 42K 48K 60K

Indoor Unit Power Line

Line Quantity

3333333

Line Diameter(AWG) 16 16 16 16 16 16 16

Line Gauge

Outdoor Unit Power
Line IndoorThermostat Singal Line

Line Quantity

3333333

Line Diameter(AWG) 14 14 12 12 10 10 8

Line Quantity