ANAB R-410A Cased Uncased Coils for Gas and Oil Furnaces Instruction Manual

: June 10, 2024
: ANAB

ANAB R-410A Cased Uncased Coils for Gas and Oil Furnaces

ANAB R-410A Cased Uncased Coils for Gas and Oil Furnaces
product

Installation Instructions for Cased/Uncased Coils for Gas and Oil

Furnaces

The product is a cased/uncased coil for gas and oil furnaces, featuring Industry Standard R-410A Refrigerant. These installation instructions are intended as an aid to qualified licensed service personnel for proper installation, adjustment, and operation of this unit. Failure to follow these instructions may result in improper installation, adjustment, service, or maintenance, possibly resulting in fire, electrical shock, property damage,
personal injury, or death.

Safety Information

It is recommended that you read these instructions thoroughly before attempting installation or operation.

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, adjustment, service or maintenance possibly resulting in fire, electrical shock, property damage, personal injury or death.

WARNING
PROPOSITION 65: This appliance contains fiberglass insulation. Respirable particles of fiberglass are known to the 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 products 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.oehha.org 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.

CAUTION
For horizontal applications, the horizontal drain pan must be located under the indoor coil. Failure to place the pan under the coil can result in property damage.

CAUTION
It is recommended that an auxiliary/secondary drain pan be installed under units containing evaporator coils that are located in any area of a structure where damage to the building or building contents may occur as a result of an overflow of the coil drain pan or a stoppage in the primary condensate drain piping.

General Information

Upon receipt, all cartons and contents should be inspected for transit damage. Units with damaged cartons should be openedimmediately. If damage is found, it should be noted on the delivery papers, and a damage claim filed with the last carrier. Shipping damage is not covered by the warranty.

INSPECTION

Immediately upon receipt, all cartons, and contents should be inspected for transit damage. Units with damaged cartons should be opened immediately. If damage is found, it should be noted on the delivery papers and a damage claim filed with the last carrier. Shipping damage is not covered by the warranty.

After unit has been delivered to job site, remove carton taking care not to damage unit.
Check the unit rating plate to be sure equipment matches what is required for the job specification.
Read the entire instructions before starting the installation. This is particularly important if this is the first installation for this specific model series.
Many installation steps done prior to installing the unit can save time and simplify the installation.

CODES/REGULATIONS

Units should be installed in accordance with any local or national codes which may apply. Latest editions are available from: “National Fire Protection Association, Inc., Battery march Park, Quincy, MA 02269.”
These publications are:

ANSI/NFPA Latest Edition (NEC) National Electrical Code.
NFPA90A Installation of Air conditioning and Ventilating Systems.
NFPA90B Installation of Warm Air Heating and Air Conditioni ng Systems.

REPLACEMENT PARTS

Any replacement part must be the same as or an approved alternate to the original part supplied. The manufacturer will not be responsible for replacement parts not designed to physically fit or operate within the design parameters the original parts were selected for. When ordering replacement parts, it is necessary to order by part number and include the complete model number and serial number from the coil rating plate. (See parts list for unit component part numbers. Parts are available through the local distributor.)

MODEL NUMBER EXPLANATION

COIL SPECIFICATIONS

Coil Specifications: Dimensions & Weights Coil Specifications: Airflow Pressure Drop
AIRFLOW PRESSURE DROP

Coil Model| Approx. Design Air Flow CFM [L/s] Range| Face Area Sq. Ft. [m 2 ]| **Fins- in./ Rows Deep| Static Pressure Drop Through Wet Cooling Coil [kPa] (Inches W.C.) CFM [L/s]
---|---|---|---|---
600
[283]| 700
[330]| 800
[378]| 900
[425]| 1000
[472]| 1100
[519]| 1200
[566]| 1300
[614]| 1400
[661]| 1500
[708]| 1600
[755]| 1700
[802]| 1800
[850]| 1900
[897]
HIGH EFFICIENCY COOLING COILS**
2417| 600/800| 4.56| 16/2| .15| .19| .23| .30| —| —| —| —| —| —| —| —| —| —
[283/378]| [0.42]| [.039]| [.049]| [.059]| [.076]
3617| 800/1300| 5.70| 16/2| —| —| .17| .21| .26| .31| .36| .41| —| —| —| —| —| —
[378/614]| [0.53]| [.043]| [.053]| [.064]| [.080]| [.092]| [.103]
3621| 800/1300| 5.70| 16/2| —| —| .15| .18| .23| .27| .31| .37| —| —| —| —| —| —
[378/614]| [0.53]| [.039]| [.047]| [.059]| [.069]| [.080]| [.094]
4821| 1200/1700| 8.55| 16/2| —| —| —| —| —| —| .22| .25| .28| .32| .36| .41| —| —
[566/755]| [0.79]| [.056]| [.063]| [.071]| [.081]| [.092]| [.103]
4824| 1200/1700| 8.55| 16/2| —| —| —| —| —| —| .22| .25| .28| .32| .36| .41| —| —
[566/755]| [0.79]| [.056]| [.063]| [.071]| [.081]| [.092]| [.103]

NOTE: Represents Coil-Only Airflow Ratings.
[ ] Designates Metric Conversion

Codes/Regulations

Conditioning systems must comply with local codes and regulations.

Replacement Parts

Any replacement part must be the same as or an approved alternate to the original part supplied. The manufacturer will not be responsible for replacement parts not designed to physically fit or operate within the design parameters the original parts were selected for. When ordering replacement parts, it is necessary to order by part number and include the complete model number and serial number from the coil rating plate. Model Number Explanation

The model number consists of various letters and numbers that indicate different product features:

C: Cased
U: Uncased
C: 3rd Design Variation
T: Tin Plated Copper Hairpins
17: Approximately 17.5 inches in width
21: Approximately 21 inches in width
24: Approximately 24.5 inches in width
24: Nominal capacity of 18,000 to 24,000 BTU/HR
36: Nominal capacity of 30,000 to 36,000 BTU/HR
48: Nominal capacity of 42,000 to 48,000 BTU/HR

Product Usage Instructions

Before installing the product, inspect all cartons and contents for transit damage. Units with damaged cartons should be opened immediately. If damage is found, it should be noted on the delivery papers and a damage claim filed with the last carrier. Shipping damage is not covered by the warranty. When ordering replacement parts, order by part number and include the complete model number and serial number from the coil rating plate. Parts are available through the local distributor. The product must comply with local codes and regulations. For horizontal applications, the horizontal drain pan must be located under the indoor coil. Failure to place the pan under the coil can result in property damage. An auxiliary/secondary drain pan should be installed under units containing evaporator coils that are located in any area of a structure where damage to the building or building contents may occur as a result of an overflow of the coil drain pan or a stoppage in the primary condensate drain piping. It is important to follow these instructions thoroughly for proper installation, adjustment, and operation of this unit. Failure to follow these instructions may result in improper installation, adjustment, service, or maintenance, possibly resulting in fire, electrical shock, property damage, personal injury, or death.

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, adjustment, service or maintenance possibly resulting in fire, electrical shock, property damage, personal injury or death.

INSTALLATION

APPLICATIONS

(-)CFP-HM and (-)CFP-HM coils can be applied in up flow, downflow, horizontal right and horizontal left applications without modifications. (-)CFP-AU, (-)CFP-HU, (-)CFP-AU and (-)CFP-HU coils can only be applied in upflow and downflow applications (See Table 2). For horizontal applications, installation of a horizontal drip shield is required. (See Section 5.2: Horizontal Adapter Kit.)

COIL APPLICATION

**Coil Model**

| Furnace Width (In.) [mm]
---|---
Oil| Gas
2417, 3617| —| 14 [356]

2417

3617

| 21 [533]| 171⁄2 [444]
14 [356]

3621

4821

| 21 [533]| 21 [533]
171⁄2 [444]
4824| 241⁄2 [622]| 241⁄2 [622]
21 [533]

CAUTION
For horizontal applications, the horizontal drain pan must be located under the indoor coil. Failure to place the pan under the coil can result in property damage.
For coils that are two sizes larger than the furnace, for example, a 21” wide coil on a 14” furnace, a tapered adaptor with a minimum height of 6” is required to evenly distribute airflow. For coils that are one size larger than the furnace; for example a 21” wide coil on a 171⁄2” furnace, seal the gap between the two units with sheet metal, or use the specified adapter kit (RXBA-AC or RXBA-AD).

REFRIGERANT CONNECTIONS

Keep the coil connections sealed until refrigerant connections are to be made. See the Installation Instructions for the outdoor unit for details on line sizing, tubing installation, and charging information. Coil is shipped with a low (5 – 10 PSIG) pressure charge of dry nitrogen. 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 from being damaged by torch flames. After the refrigerant connections are made, seal the gap around the connections with pressure sensitive gasket. If necessary, cut the gasket into two pieces for a better seal

FLOW CHECK PISTON

NOTICE
FOR PROPER SYSTEM OPERATION, IT MAY BE NECESSARY TO REPLACE THE PISTON INSTALLED IN THE INDOOR COIL. CHECK THE SERVICE VALVES ON THIS UNIT TO SEE IF A NOTICE TAG ALONG WITH A PLASTIC BAG CONTAINING A PISTON IS ATTACHED. IF ONE IS PRESENT A CHANGE OF THE PISTON IS REQUIRED. FAILURE TO CHANGE THE PISTON CAN RESULT IN IMPROPER PERFORMANCE OF THE SYSTEM.
The flow check piston is a multi-purpose device. With flow into the compression nut end from the liquid line, the piston is in a check position and acts as the expansion device with flow through the metering orifice in the center of the piston. The “O” ring on the end of the piston prevents refrigerant from bypassing the metering orifice. Flow from the metering orifice is centered into a distributor which serves to evenly distribute refrigerant to the evaporator circuits. With flow in the reverse direction (direction of arrows on the distributor body), the piston is forced off the seat and liquid from the condenser is allowed to free flow around the piston. It is essential that the heat pump indoor and outdoor sections be properly matched. Use only matched components as shown in sales specification sheets. A piston size that is too small will cause starving and one that is too large will cause flooding. In either case, system performance, reliability and charge balance (heating and cooling) will be unacceptable.
Change the piston in the distributor on the indoor coil before installing the coil and charging the system following the procedure below:

Using a back-up wrench on the distributor body, loosen the compression nut to gain access to the piston.
Using the wire provided with replacement pistons, run (hooked end) through hole in piston.
Hook nose end of piston and lift gently from distributor body.
Replace piston with one of proper size (see Table 4), install piston with gasket end of piston in distributor. Do not force piston into distributor.
NOTE: With piston in distributor, seal end should be down and should not be seen looking in end of distributor. Piston must be free to rotate and move up and down. Make sure piston is free to move in distributor body.
Insure distributor gasket is located properly in the distributor body.
Replace compression nut using back-up wrench on distributor body. Torque compression nut end with 8 to 10 ft. lbs.
Original piston size is stamped on outside of distributor body. Remove new piston size label from poly bag new piston came in and install new size label on out-side of distributor tube.
Check fittings for leaks after installation, evacuation and charging is complete.

IMPORTANT: Do not attempt to drill pistons to size in the field. Metering holes have a special chamfered inlet and cannot be modified.

Do not replace the neoprene “O” ring on the piston with any type of seal. Contact the parts department for the exactly replacement of “O” ring.

CONDENSATE DRAIN TUBING

Consult local codes or ordinances for specific requirements.
IMPORTANT: When making drain fitting connections to the drain pan, use a thin layer of Teflon paste, silicone or Teflon tape and install hand tight.

When making drain fitting connections to drain pan, do not overtighten. Overtightening fittings can split pipe connetions 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 Figure 7.)
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 outdoors.
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 in. 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.
Auxiliary drain line should be run to a place where it will be noticeable if it becomes opera-tional. Occupant 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.

DUCT FLANGES

Field-installed duct flanges (4 pieces) are shipped with units. Install duct flanges as needed on top or bottom of the coil casing.

CAUTION
It is recommended that an auxiliary/secondary drain pan be installed under units containing evaporator coils that are located in any area of a structure where damage to the building or building contents may occur as a result of an overflow of the coil drain pan or a stoppage in the primary condensate drain piping.

MAINTENANCE

WARNING
These instructions are intended as an aid to qualified licensed service person-nel 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, adjustment, service or maintenance possibly resulting in fire, electrical shock, property damage, personal injury or death.
For continuing high performance and to minimize possible equipment failure, it is essen-tial that annual maintenance be performed on this equipment. Consult your local dealer as to the availability of a maintenance contract.

AIR FILTER

Check the system filter every ninety days or as often as found to be necessary and if obstructed, clean or replace at once.
IMPORTANT: Do not operate the system without a filter in place.

INDOOR COIL – DRAIN PAN – DRAIN LINE

Inspect the indoor coil once each year for cleanliness and clean as necessary. In some cases, it may be necessary to remove the filter and check the return side of the coil with a mirror and flashlight.
IMPORTANT: Do not use caustic household drain cleaners or bleach in the condensate pan or near the indoor coil. Drain cleaners will quickly damage the indoor coil.

ACCESSORIES

PLENUM ADAPTER ACCESSORIES

NOTE: In a plenum installation on an unknown manufacturer’s furnace, there must be a minimum of 6” clearance from the top of the furnace to avoid limit-tripping.

RXBA-AE
This plenum adapter accessory is for use with the 24-1/2” wide cased indoor cooling and heat pump coils. This allows a 24-1/2 wide cased coil to be installed on a 28” wide oil furnace. This is a field-installed accessory only.

RXBA-AC (Up flow/Horizontal 80% Furnaces)
RXBA-AD (Downflow/Horizontal 90 Plus Furnaces)
This plenum adapter accessory is for installation on cased indoor cooling and heat pump coils. This allows a nominal size cased coil to be installed on the next smaller size gas or oil furnace. NOTE: This accessory is for installation on coil casings to fit gas or oil furnaces only – this accessory must not be used on electric furnaces or heat pump air handlers. Consult the installation instructions packaged with the accessory for proper installation.

HORIZONTAL ADAPTER KIT

RXHH ANAB R-410A Cased Uncased Coils for Gas and Oil Furnaces
09 This horizontal adapter kit is used to convert an up flow or downflow coil for a horizontal application. See Table 3 to order the proper horizontal adapter kit.
NOTE: The horizontal adapter kit cannot be used for RCFA/RCFL-AUBC applications. It can only be used for RCFP/RCFP-HUAC and for RCFP/RCFP- AU****AC applications.

Coil Model	Horizontal Adapter Kit Model No.
2417	RXHH-A02
3617/3621	RXHH-A03
4821/4824	RXHH-A04

INDOOR COIL CASING RXBC

UNIT DIMENSIONS & WEIGHTS — RXBC- INDOOR COIL CASINGS

Indoor Coil Casing Model Number| Width In.| Height In.| Depth In.| Weight| Shipping Weight| Supply Air/Return Air Openings
---|---|---|---|---|---|---
Lbs [Kg]| Lbs [Kg]| Width In.| Depth In.
RXBC-D14AI| 14| 233⁄16| 21-5/8| 19 [9]| 23 [10]| 13| 1931⁄32
RXBC-D17AI| 171⁄2| 20| 18 [8]| 23 [10]| 161⁄2
RXBC-D21AI| 21| 20| 20 [9]| 26 [12]| 20
RXBC-D21BI| 21| 28| 27 [12]| 36 [17]| 20
RXBC-D24AI| 241⁄2| 321⁄2| 34 [16]| 44 [20]| 231⁄2

UNCASED COIL ADAPTER KIT

RXBA UNCASED COIL ADAPTER KIT
This uncased coil adapter kit is used to adapt the coil to a furnace or ductwork. See Table 5 to order the proper adapter kit. Each kit contains a quantity a 20 adapters.

Uncased Coil Adapter Model Number RXBA| **A
Width In.| ****Uncased Coil Model RCFA/L**
---|---|---
B14x20| 13.1| -HUxx14
B17x20| 16.6| -HUxx17
B21x20| 20.1| -HUxx21
B24x20| 23.6| -HUxx24

NOTE: Sliding the coil into the coil rail before attaching coil rack front.