FUJITSU FOC1824MJAZCA1 iM Air Conditioners User Manual

FUJITSU FOC1824MJAZCA1 iM Air Conditioners

Product Information

iM Air Conditioners

The iM Air Conditioners FOC18 is a product manufactured by Fujitsu General America, Inc. It is an air conditioner designed for cooling purposes.

Features and Benefits

• SEER Rating: The FOC18 model has a SEER2 rating of 18, which indicates its energy efficiency.
• Capacity: The FOC18 model is available in different capacities, including 24,000 BTU/HR, 36,000 BTU/HR, 48,000 BTU/HR, and 60,000 BTU/HR.
• Refrigerant: The FOC18 model uses R-410A refrigerant.
• Stages: It has a single-stage operation.
• Voltage: The FOC18 model operates on 208/230 volts.
• Controls: It features communicating controls for easy operation.

Model Number Identification

The model number FOC18 signifies the following information:

• Brand: Fujitsu
• Product Category: Outdoor Unit Air Conditioner
• SEER Rating: 18
• Capacity: Varies depending on the specific model
• Refrigerant: R-410A
• Voltage: 208/230 volts
• Controls: Communicating
• Major Series: 1st Design
• Minor Series: 1st Series

General Data:

The FOC18 models have the following general data:

• Nominal Tonnage: 2.0 for FOC1824MJAZCA1, 3.0 for FOC1836MJAZCA1, 4.0 for FOC1848MJAZCA1, and 5.0 for FOC1860MJAZCA1.
• Valve Connections: 3/8 for all models
• Number of Blades: 3 for all models
• Motor HP: 1/5 for FOC1824MJAZCA1, 1/3 for FOC1836MJAZCA1, and 1/2 for FOC1848MJAZCA1 and FOC1860MJAZCA1
• CFM: Varies depending on the specific model
• RPM: Varies depending on the specific model
• Watts: Varies depending on the specific model

Electrical Data:

• The FOC18 models operate on a line voltage of 208/230 volts, with a single phase and frequency of 60 Hz.
• The compressor has a rated load amps of 15 for FOC1824MJAZCA1, 20.1 for FOC1836MJAZCA1, 32 for FOC1848MJAZCA1, and 34.1 for FOC1860MJAZCA1.
• The locked rotor amps are 35 for all models.

Accessories

The FOC18 models are compatible with the following accessories: CETST800SYS and STD RXHT-A02.

Weighted Sound Power:

The FOC18 models have different sound power levels, measured in decibels (dB).
Full-octave linear sound power levels are provided for different frequencies.

Unit Dimensions:

The FOC18 models have the following dimensions:

• H (Height): Varies depending on the specific model
• L (Length): Varies depending on the specific model
• W (Width): Varies depending on the specific model

[ ] Designates Metric Conversions

Product Usage Instructions

To achieve optimal performance and energy efficiency, it is important to properly size and install the iM Air Conditioners FOC18. Follow these instructions for usage:

1. Ensure that the air conditioner is matched with appropriate coil components to meet Energy Star requirements. Consult your contractor for details or visit www.energystar.gov.
2. Install the outdoor unit of the air conditioner in a suitable location, following the installation guidelines provided in the user manual.
3. Connect the required electrical supply to the air conditioner, following the electrical data specifications mentioned in the user manual.
4. Operate the air conditioner using the communicating controls. Refer to the user manual for detailed instructions on controlling and adjusting settings.
5. Maintain regular maintenance and cleaning of the air conditioner to ensure its proper functioning. Refer to the user manual for maintenance guidelines.

Features and Benefits

• EcoNet® Enabled: Automatic system configuration and optimization
• Diagnostics & Bluetooth Connectivity: With the BluArch™ Contractor & EcoNet® Apps, built-in technology makes advanced set-up, monitoring, troubleshooting, and repairing the product easier than ever before
• Brushless DC Condenser Motors (BLDC): Enhances reliability and allows for easier serviceability
• Swept Wing Fan Technology: Features quieter operation and improved unit acoustics
• Expanded Valve Space: 3 in. – 4 in. – 5 in. service valve space—provides a minimum working area of 27 square inches for easier access
• Triple Service Access: 15 in. wide, industry-leading corner service access, two fastener, removable corner and individual louver panels – makes repairs easier and faster
• The Bluetooth® word mark and logos are registered trademarks owned by Bluetooth SIG, Inc. and any use of such marks is under license. Other trademarks and trade names are those of their respective owners.

Air Conditioners

• – FujitsuO – Outdoor UnitC – Air Conditioner18 – 18 SEER224 – 24,000 [7.03 kW]M – ModulatingJ – 208/230/1/60A – AllZ – R-410AC – CommunicatingA – 1st Design1 – 1st Series36 – 36,000 [10.55 kW]48 – 48,000 [14.07 kW]60 – 60,000 [17.58 kW]

Designates Metric Conversions

Conditioner – 208/230/1/60
FOC1836MJAZCA1| 3-ton EcoNet® Enabled Inverter Driven Variable Speed iM Air Conditioner – 208/230/1/60
FOC1848MJAZCA1| 4-ton EcoNet® Enabled Inverter Driven Variable Speed iM Air Conditioner – 208/230/1/60
FOC1860MJAZCA1| 5-ton EcoNet® Enabled Inverter Driven Variable Speed iM Air Conditioner – 208/230/1/60
STANDARD EQUIPMENT

R-410A Refrigerant
EcoNet® Enabled
Variable Speed Compressor
Compressor Sound Blanket
Variable speed outdoor fan motor
Swept wing fan blade
Field Installed Filter Drier
Front Seating Service Valves
Internal Pressure Relief Valve
Internal Thermal Overload
Low Ambient capability
3-4-5 Expanded Valve Space
Composite Basepan
1″ Screw Control Box Access
15″ Access to Internal Components
Quick release louver panel design
No fasteners to remove along bottom
Optimized Venturi Airflow
Single row condenser coil 1
Powder coated paint
Rust resistant screws
QR code
External gauge ports
Service trays
General Data

GENERAL DATA
MODEL NO.| FOC1824MJAZCA1| FOC1836MJAZCA1| FOC1848MJAZCA1| FOC1860MJAZCA1
Nominal Tonnage| 2.0| 3.0| 4.0| 5.0
Valve Connections|
Liquid Line O.D. – in.| 3/8| 3/8| 3/8| 3/8
Suction Line O.D. – in.| 3/4| 3/4| 7/8| 7/8
Refrigerant (R410A) furnished oz.¹| 210| 212| 222| 252
Compressor Type| Scroll
Outdoor Coil|
Net face area – Outer Coil| 22.2| 22.3| 32.5| 32.5
Net face area – Inner Coil| —| —| —| 32.5
Tube diameter – in.| 0.375| 0.375| 0.375| 0.375
Number of rows| 1| 1| 1| 2
Fins per inch| 20| 20| 22| 20
Outdoor Fan|
Diameter – in.| 24| 24| 26| 26
Number of blades| 3| 3| 3| 3
Motor hp| 1/5| 1/3| 1/2| 1/2
CFM| 3330| 4315| 6240| 6175
RPM| 772| 825| 935| 900
watts| 83| 114| 278| 278
Shipping weight – lbs.| 226| 244| 263| 316
Operating weight – lbs.| 214| 236| 255| 307
Electrical Data
Line Voltage Data (Volts-Phase-Hz)| 208/230-1-60| 208/230-1-60| 208/230-1-60| 208/230-1-60
Maximum overcurrent protection (amps)²| 35| 45| 70| 80
Minimum circuit ampacity³| 21| 29| 46| 48
Compressor|
Rated load amps| 15| 20.1| 32| 34.1
Locked rotor amps| 35| 35| 50| 50

1. Refrigerant charge sufficient for 15 ft. length of refrigerant lines. For longer line set requirements see the installation instructions for information about set length and additional refrigerant charge required.
2. HACR type circuit breaker of fuse.
3. Refer to National Electrical Code manual to determine wire, fuse and disconnect size requirements.

Accessories

MODEL NO.| FOC1824MJAZCA1| FOC1836MJAZCA1| FOC1848MJAZCA1| FOC1860MJAZCA1
---|---|---|---|---
EcoNet® Smart Thermostat| CETST800SYS| CETST800SYS| CETST800SYS| CETST800SYS
Compressor Sound Cover| STD| STD| STD| STD
Supply / Return Sensor| RXHT-A02| RXHT-A02| RXHT-A02| RXHT-A02

Weighted Sound Power Level

MODEL

| SOUND POWER LEVEL [DB(A)] LOW SPEED/ HIGH SPEED| FULL OCTAVE LINEAR SOUND POWER LEVEL DB – CENTER FREQUENCY – HZ| SOUND POWER LEVEL [DB(A)] WITH SOUND BLANKET
---|---|---|---
125| 250| 500| 1000| 2000| 4000| 8000
FOC1824MJAZCA1| 58.9| 29| 36.5| 42| 45.7| 42.3| 43.2| 33| ****

Sound Blankets – Standard

68| 47.1| 47.7| 58.8| 57.1| 55.0| 52.7| 45.6
FOC1836MJAZCA1| 57| 29.2| 36.7| 44.9| 45.4| 42.2| 39.4| 32.2
72| 42.9| 52.8| 62.7| 63.6| 58.7| 54.1| 52.4
FOC1848MJAZCA1| 54| 30.6| 39| 42.2| 42.5| 36.5| 35.2| 35
72| 48.2| 55.3| 64.6| 61.7| 56.2| 51.7| 46.2
FOC1860MJAZCA1| 70| 46.6| 50.5| 62.7| 52.9| 49.4| 46| 41.4
76| 50.7| 62.7| 67.7| 65.4| 64.2| 59.2| 54.9

NOTE: Tested in accordance with AHRI Standard 270-08 (not listed in AHRI)

Unit Dimensions

MODEL NO.

| OPERATING| SHIPPING
---|---|---
H (Height)| L (Length)| W (Width)| H (Height)| L (Length)| W (Width)
INCHES| mm| INCHES| mm| INCHES| mm| INCHES| mm| INCHES| mm| INCHES| mm
FOC1824MJAZCA1| 39| 990| 33.75| 857| 33.75| 857| 41.56| 1055| 37.64| 956| 37.56| 954
FOC1836MJAZCA1| 39| 990| 33.75| 857| 33.75| 857| 41.56| 1055| 37.64| 956| 37.56| 954
FOC1848MJAZCA1| 51| 1295| 35.75| 908| 35.75| 908| 53.56| 1360| 39.37| 999| 39.64| 1006
FOC1860MJAZCA1| 51| 1295| 35.75| 908| 35.75| 908| 53.56| 1360| 39.37| 999| 39.64| 1006

CLEARANCES

NOTE: NUMBERS IN () = mm
IMPORTANT: When installing multiple units in an alcove, roof well, or partially enclosed area, ensure there is adequate ventilation to prevent re- circulation of the discharge air.

Control Wiring

Application Guidelines

1. Intended for outdoor installation with free air inlet and outlet. Outdoor fan external static pressure available is less than 0.01 in. wc.
2. Minimum outdoor operation air temperature for cooling mode without low-ambient operation accessory is 55°F (12.8°C).
3. Maximum outdoor operating air temperature is 125°F (51.7°C).
4. For reliable operation, unit should be level in all horizontal planes.
5. Use only copper wire for electric connections at unit. Aluminum and clad aluminum are not acceptable for the type of connector provided.
6. Do not apply capillary tube indoor coils to these units.
7. Factory-supplied filter drier must be installed.

Refrigerant Line Size Information

18 SEER2 VARIABLE SPEED AIR CONDITIONERS

UNIT SIZE

| ****

ALLOWABLE LIQUID LINE SIZE

| ****

ALLOWABLE VAPOR LINE SIZE

| OUTDOOR UNIT ABOVE OR BELOW INDOOR UNIT EQUIVALENT LENGTH (FEET)
< 25| 26-50| 51-75| 76-100| 101-125| 126-150
MAXIMUM VERTICAL SEPARATION/CAPACITY MULTIPLIER

2 Ton* SEE NOTE 3

| 1/4″| 5/8″| 25/1.00| 50/0.99| 32/0.98| 40/0.97| NR| NR
5/16″| 5/8″| 25/1.00| 50/0.99| 50/0.98| 50/0.97| 50/0.96| 50/0.95
3/8″| 5/8″| 25/1.00| 50/0.99| 50/0.98| 50/0.97| 50/0.96| 50/0.95
1/4″| 3/4″| 25/1.00| 50/1.00| 32/0.99| 40/0.99| NR| NR
5/16″| 3/4″| 25/1.00| 50/1.00| 50/0.99| 50/0.99| 50/0.99| 50/0.98
3/8″| 3/4″**| 25/1.00| 50/1.00| 50/0.99| 50/0.99| 50/0.99| 50/0.98

3 Ton

| 5/16″| 5/8″| 25/0.99| 50/0.97| 50/0.95| 50/0.93| 37/0.91| NR
3/8″| 5/8″| 25/0.99| 50/0.97| 50/0.95| 50/0.93| 50/0.91| NR
5/16″| 3/4″| 25/1.00| 50/0.99| 50/0.99| 50/0.98| 37/0.97| 22/0.96
3/8″| 3/4″| 25/1.00| 50/0.99| 50/0.99| 50/0.98| 50/0.97| 50/0.96
1/2″| 3/4″| 25/1.00| 50/0.99| 50/0.99| 50/0.98| 50/0.97| 50/0.96

4 Ton

| 3/8″| 3/4″| 25/0.99| 50/0.98| 50/0.97| 50/0.96| 50/0.94| 50/0.93
1/2″| 3/4″| 25/0.99| 50/0.98| 50/0.97| 50/0.96| 50/0.94| 50/0.93
3/8″| 7/8″| 25/1.00| 50/0.99| 50/0.99| 50/0.98| 50/0.98| 50/0.97
1/2″| 7/8″| 25/1.00| 50/0.99| 50/0.99| 50/0.98| 50/0.98| 50/0.97

5 Ton

| 3/8″| 3/4″| 25/0.99| 50/0.97| 50/0.95| 50/0.93| 50/0.91| NR
1/2″| 3/4″| 25/0.99| 50/0.97| 50/0.95| 50/0.93| 50/0.91| NR
3/8″| 7/8″| 25/1.00| 50/0.99| 50/0.98| 50/0.98| 50/0.97| 38/0.96
1/2″| 7/8″| 25/1.00| 50/0.99| 50/0.98| 50/0.98| 50/0.97| 50/0.96

NOTES:

1. Do not exceed 150 ft linear line length.
2. Do not exceed 50 ft vertical separation between indoor and outdoor units.
3. A 3/4” suction line should only be used for 2 ton systems if outdoor unit is below or at same level as indoor unit to assure proper oil return.
4. Always use the smallest liquid line allowable to minimize refrigerant charge.
5. Applications shaded in light gray indicate capacity multipliers between 0.90 and 0.96 which are not recommended, but are allowed.
6. Applications shaded in dark gray are not recommended due to excessive liquid or suction pressure drop.

18 SEER2 VARIABLE SPEED AIR CONDITIONERS

UNIT SIZE

| ALLOWABLE LIQUID LINE

SIZE

| ALLOWABLE VAPOR LINE

SIZE

| OUTDOOR UNIT ABOVE OR BELOW INDOOR UNIT EQUIVALENT LENGTH (METERS)
< 8| 8-15| 16-23| 24-30| 31-38| 39-46
MAXIMUM VERTICAL SEPARATION/CAPACITY MULTIPLIER

2 Ton* SEE NOTE 3

| 6.35 [1/4]| 15.88 [5/8]| 8/1.00| 15/0.99| 10/0.98| 10/0.97| NR| NR
7.94 [5/16]| 15.88 [5/8]| 8/1.00| 15/0.99| 15/0.98| 15/0.97| 15/0.96| 15/0.95
9.53 [3/8]| 15.88 [5/8]| 8/1.00| 15/0.99| 15/0.98| 15/0.97| 15/0.96| 15/0.95
6.35 [1/4]| 19.05 [3/4]| 8/1.00| 15/0.99| 10/0.99| 12/0.99| NR| NR
7.94 [5/16]| 19.05 [3/4]| 8/1.00| 15/0.99| 15/0.99| 15/0.99| 15/0.99| 15/0.98
9.53 [3/8]| 19.05 [3/4]**| 8/1.00| 15/0.99| 15/0.99| 15/0.99| 15/0.99| 15/0.98

3 Ton

| 7.94 [5/16]| 15.88 [5/8]| 8/0.99| 15/0.97| 15/0.95| 15/0.93| 11/0.91| NR
9.53 [3/8]| 15.88 [5/8]| 8/0.99| 15/0.97| 15/0.95| 15/0.93| 15/0.91| NR
7.94 [5/16]| 19.05 [3/4]| 8/1.00| 15/0.99| 15/0.99| 15/0.98| 11/0.97| 7/0.96
9.53 [3/8]| 19.05 [3/4]| 8/1.00| 15/0.99| 15/0.99| 15/0.98| 15/0.97| 15/0.96
12.70 [1/2]| 19.05 [3/4]| 8/1.00| 15/0.99| 15/0.99| 15/0.98| 15/0.97| 15/0.96

4 Ton

| 9.53 [3/8]| 19.05 [3/4]| 8/0.99| 15/0.98| 15/0.97| 15/0.96| 15/0.94| 15/0.93
12.70 [1/2]| 19.05 [3/4]| 8/0.99| 15/0.98| 15/0.97| 15/0.96| 15/0.94| 15/0.93
9.53 [3/8]| 22.23 [7/8]| 8/1.00| 15/0.99| 15/0.99| 15/0.98| 15/0.98| 15/0.97
12.70 [1/2]| 22.23 [7/8]| 8/1.00| 15/0.99| 15/0.99| 15/0.98| 15/0.98| 15/0.97

5 Ton

| 9.53 [3/8]| 19.05 [3/4]| 8/0.99| 15/0.97| 15/0.95| 15/0.93| 15/0.91| NR
12.70 [1/2]| 19.05 [3/4]| 8/0.99| 15/0.97| 15/0.95| 15/0.93| 15/0.91| NR
9.53 [3/8]| 22.23 [7/8]| 8/1.00| 15/0.99| 15/0.98| 15/0.98| 15/0.97| 12/0.96
12.70 [1/2]| 22.23 [7/8]| 8/1.00| 15/0.99| 15/0.98| 15/0.98| 15/0.97| 15/0.97

1. Do not exceed 46 meters linear line length.
2. Do not exceed 15 meters vertical separation between indoor and outdoor units.
3. 19.05mm [3/4 in.] vapor line should only be used for 2 ton systems if outdoor unit is below or at same level as indoor unit to assure proper oil return.
4. Always use the smallest liquid line allowable to minimize refrigerant charge.
5. Applications shaded in light gray indicate capacity multipliers between 0.90 and 0.96 which are not recommended, but are allowed
6. Applications shaded in dark gray are not recommended due to excessive liquid or suction pressure drop.

Performance Data @ AHRI Standard Conditions – Cooling

DESIGNATED TESTED COMBINATION (DTC)

OUTDOOR UNIT| INDOOR COIL| TOTAL CAPACITY BTU/H [KW]| NET SENSIBLE BTU/H [KW]| NET LATENT BTU/H [KW]| SEER2| EER2| INDOOR CFM [L/S]
FOC1824MJAZCA1| FHRNVM2421HJZECA| 22,400 [6.6]| 17,200 [5.0]| 5,200 [1.5]| 18.0| 10.5| 825 [389.4]
FOC1836MJAZCA1| FHRNVM6021SJZECA| 34,600 [10.1]| 25,800 [7.6]| 8,800 [2.6]| 18.0| 10.5| 1,225 [578.1]
FOC1848MJAZCA1| FHRNVM6021SJZECA| 45,000 [13.2]| 32,600 [9.6]| 12,400 [3.6]| 18.0| 10.5| 1,575 [743.3]
FOC1860MJAZCA1| FHRNVM6024SJZECA| 55,000 [16.1]| 40,200 [11.8]| 14,800 [4.3]| 18.0| 10.5| 1,650 [778.7]

NOTE: This data includes DTC (Designated Test Combination) ratings and is for reference purposes only. A full listing of official ratings and system match-ups, along with downloadable certificates, can be accessed from the AHRI website: www.ahridirectory.org.

Integrated Controls

• EcoNet® is smart, technology that allows Heating and Cooling, products to communicate with each other on one integrated network.

THE ECONET® SMART THERMOSTAT

• BUILT-IN WIFI
• 4.3″ LCD TOUCH SCREEN
• LOCAL WEATHER – Current conditions plus 6-day forecast
• 5 OPERATING MODES – Heat, Cool, Auto, Emergency Heat and Fan Only
• 7-DAY PROGRAMMABLE SCHEDULE – Offers comfort without thought
• ONE-TOUCH AWAY – Quickly switch to your energy-saving away preferences
• VACATION SCHEDULING – Allows you to save while you’re away and come home to comfort
• STANDBY SCREEN – Displays indoor temperature and current weather

OPERATIONAL FEATURES

• AUTOMATIC CHANGEOVER – Transitions between heating and cooling automatically to keep the house comfortable
• INTEGRATED WATER CONTROL – Enables easy water heater management
• SMOOTH ARRIVAL – Prompts the system to start ahead of schedule to ensure the home is at the desired temperature at the scheduled time
• HUMIDITY CONTROL – Supports humidifier accessories or over-cool-based dehumidification
• DETAILED OPERATING STATUS – View pertinent equipment status information and run times
• CONTINUOUS FAN – Offers 5 speeds (Low, Medium Low, Medium, Medium High, High)
• SHORT-CYCLE PROTECTION – Avoids damage to equipment from short-run cycles

MONITORING & REMOTE CONTROL FEATURES

• ACTIVE MONITORING – Alerts to problems that need immediate attention
• REMOTE CONTROL – Allows adjusting of comfort and settings from anywhere using a mobile device
• SERVICE ALERTS – Sends routine maintenance reminders
• AIR FILTER MONITORING – Detects when it’s time to replace the air filter
• ALARM HISTORY – Displays time-stamped alarm codes with clear descriptions

GENERAL TERMS OF LIMITED WARRANTY

• Fujitsu General America, Inc. will furnish a replacement for any part of this product that fails in normal use and service within the applicable period stated, in accordance with the terms of the limited warranty.
• For complete details of the Limited and Conditional Warranties, including applicable terms and conditions, contact your local contractor or the Manufacturer for a copy of the product warranty certificate.

Conditional Unit Replacement

• (Registration Required)………………………………. Ten (10) Years
• Parts…………………………………………………………Ten (10) Years
• Before proceeding with installation, refer to installation instructions packaged with each model, as well as complying with all Federal, State, Provincial, and Local codes, regulations, and practices.
• In keeping with its policy of continuous progress and product improvement, Fujitsu reserves the right to make changes without notice.”

References

• ahridirectory.org
• Homepage | ENERGY STAR

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