Fujitsu iM Air Conditioners - FOC15 Series
An overview of the Fujitsu FOC15 series of iM Air Conditioners, highlighting their features, specifications, and performance data.
Features and Benefits
- EcoNet® Enabled: Automatic system configuration and optimization.
- Diagnostics & Bluetooth® Connectivity: Utilizes BluArch™ Contractor & EcoNet® Apps for advanced setup, monitoring, troubleshooting, and repair.
- Variable Speed Twin Rotary Compressor & Inverter Drive: Offers inverter operation from 40-70% capacity or 100% capacity via line voltage with the EcoNet® Smart Thermostat. Provides 3-speed operation with a 24V two-stage thermostat for precise temperature control, advanced humidity control, and greater efficiency.
- Swept Wing Fan Technology: Ensures quieter operation and improved unit acoustics.
- 7mm Condenser Copper Coil: Requires less refrigerant, resulting in a smaller and lighter footprint while enhancing reliability.
- 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: Features industry-leading 15-inch wide corner service access for easier and faster repairs.
Model Number Identification
The FOC15 series air conditioners follow a specific model number structure:
| Brand | Product Category | Type | SEER2 | Capacity BTU/HR | Type | Voltage | Region | Refrigerant | Controls | Major Series | Minor Series | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| F - Fujitsu | O - Outdoor Unit | CAC | 15.2 SEER2 | 24 - 24,000 [7.03 kW] 36 - 36,000 [10.55 kW] 48 - 48,000 [14.07 kW] 60 - 60,000 [17.58 kW] |
3+ Stage | V - 3+ Stage | J - 1ph, 208-230/60 | A - All | Z - R-410A | C - Communicating | A - 1st Design | 1 - 1st Series 2 - 2nd Series |
Available Models:
- FOC1524VJAZCA1: 2 ton 15.2 SEER2 3+ Stage iM Air Conditioner (208/230/1/60)
- FOC1536VJAZCA1: 3 ton 15.2 SEER2 3+ Stage iM Air Conditioner (208/230/1/60)
- FOC1548VJAZCA1: 4 ton 15.2 SEER2 3+ Stage iM Air Conditioner (208/230/1/60)
- FOC1560VJAZCA1: 5 ton 15.2 SEER2 3+ Stage iM Air Conditioner (208/230/1/60)
General Data/Electrical Data
| Model No. | Nominal Tonnage | Liquid Line O.D. - in. | Suction Line O.D. - in. | Refrigerant (R410A) furnished oz.¹ | Net face area - Outer Coil | Net face area - Inner Coil | Tube diameter - in. | Number of rows | Fins per inch | Shipping weight - lbs. | Operating weight - lbs. | Line Voltage Data (Volts-Phase-Hz) | Maximum overcurrent protection (amps)² | Minimum circuit ampacity³ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| FOC1524VJAZCA1 | 2.0 | 3/8 | 3/4 | 91 | 11.79 | 0.276 | 1 | 24 | 174 | 167 | 208/230-1-60 | 20 | 12 | |
| FOC1536VJAZCA1 | 3.0 | 3/8 | 3/4 | 119 | 14.4 | 0.276 | 1 | 24 | 198 | 191 | 208/230-1-60 | 30 | 20 | |
| FOC1548VJAZCA1 | 4.0 | 3/8 | 7/8 | 130 | 16.42 | 0.276 | 1 | 24 | 230 | 223 | 208/230-1-60 | 40 | 25 | |
| FOC1560VJAZCA1 | 5.0 | 3/8 | 7/8 | 154 | 17.88 | 0.276 | 1 | 24 | 251 | 244 | 208/230-1-60 | 50 | 32 |
Compressor Data:
| Rated load amps | Locked rotor amps | |
|---|---|---|
| Compressor | 10 / 15 / 20 / 25 | 65 / 70 / 96 / 119 |
¹ Refrigerant charge sufficient for 15 ft. length of refrigerant lines. For longer line set requirements, refer to installation instructions.
² HACR type circuit breaker or fuse.
³ Refer to National Electrical Code manual for wire, fuse, and disconnect size requirements.
Accessories
Available accessories for the FOC15 series include:
| Model No. | Compressor crankcase heater* | Low ambient control | Compressor sound cover | Low pressure control | High pressure control | Liquid Line Solenoid Valve (24 VAC, 50/60 Hz) | Liquid Line Solenoid Coil | Liquid Line Solenoid Valve (120/240 VAC, 50/60 Hz) | Liquid Line Solenoid Coil |
|---|---|---|---|---|---|---|---|---|---|
| FOC1524VJAZCA1 | N/A | 47-102709-10 | 68-23427-27 | 47-103454-01 | 47-103669-02 | 200RD2T3TVLC | 61-AMG24V | 200RD2T3TVLC | 61-AMG120/240V |
| FOC1536VJAZCA1 | N/A | 47-102709-10 | 68-23427-28 | 47-103454-01 | 47-103669-02 | 200RD2T3TVLC | 61-AMG24V | 200RD2T3TVLC | 61-AMG120/240V |
| FOC1548VJAZCA1 | N/A | 47-102709-10 | 68-23427-29 | 47-103454-01 | 47-103669-02 | 200RD2T3TVLC | 61-AMG24V | 200RD2T3TVLC | 61-AMG120/240V |
| FOC1560VJAZCA1 | N/A | 47-102709-10 | 68-23427-29 | 47-103454-01 | 47-103669-02 | 200RD2T3TVLC | 61-AMG24V | 200RD2T3TVLC | 61-AMG120/240V |
*Crankcase Heater recommended with Low Ambient Kit.
Unit Dimensions
Dimensions for the FOC15 series units:
| Model No. | H (Height) | L (Length) | W (Width) | H (Height) | L (Length) | W (Width) | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Inches | mm | Inches | mm | Inches | mm | Inches | mm | Inches | mm | Inches | mm | |
| FOC1524VJAZCA1 | 27.00 | 686 | 29.75 | 756 | 29.75 | 756 | 28.50 | 724 | 32.38 | 822 | 32.38 | 822 |
| FOC1536VJAZCA1 | 27.00 | 686 | 33.75 | 857 | 33.75 | 857 | 28.50 | 724 | 36.38 | 924 | 36.38 | 924 |
| FOC1548VJAZCA1 | 31.00 | 787 | 33.75 | 857 | 33.75 | 857 | 32.50 | 826 | 36.38 | 924 | 36.38 | 924 |
| FOC1560VJAZCA1 | 31.00 | 787 | 35.75 | 908 | 35.75 | 908 | 32.50 | 826 | 38.38 | 975 | 38.38 | 975 |
Clearance Requirements:
Top: ALLOW 60" [1524 mm] OF CLEARANCE
Sides: AIR INLET LOUVERS ALLOW 6" [152 mm] MIN. OF CLEARANCE ALL SIDES, 12" [305 mm] RECOMMENDED
Service Access: SERVICE PANELS/INLET CONNECTIONS / HIGH & LOW VOLTAGE ACCESS ALLOW 24" [610 mm] OF CLEARANCE
Clearances Diagram
Diagram illustrating recommended clearances for unit installation. Numbers in parentheses indicate millimeters.
Configuration 1 (Single Unit):
- Service Clearance: 24" (609.6)
- Side Clearance: 6" (152.4)
- Rear Clearance: 18" (457.2)
- Top Clearance: 6" (152.4)
Configuration 2 (Multiple Units/Alcove):
- Service Clearance: 24" (609.6)
- Side Clearance: 12" (304.8)
- Top Clearance: 24" (609.6) recommended, 6" minimum
NOTE: When installing multiple units in an alcove, roof well or partially enclosed area, ensure adequate ventilation to prevent re-circulation of discharge air.
Control Wiring
Figure 2: Control Wiring for Gas or Oil Furnace
For Typical Gas or Oil Heat:
- Thermostat Subbase: Y, G, W, R, C
- Condensing Unit: YL (Yellow Wire), BR (Brown Wire), C (Common)
For Typical Electric Heat:
- Thermostat Subbase: Y, G, W, R, C
- Condensing Unit: YL (Yellow Wire), BR (Brown Wire), W/BK (White Wire with Black Stripe), G/BK (Green Wire with Black Stripe), PU (Purple Wire - Not Used), X (Wire Connection)
- Electric Heat Low Voltage Junction Box: W/BK, G/BK, YL, BR, X
*If maximum outlet temperature rise is desired, it is recommended that W1 (W/BK) and W2 (W/BL) be jumpered together.
Application Guidelines
- Intended for outdoor installation with free air inlet and outlet. Outdoor fan external static pressure available is less than 0.01 in. wc.
- Minimum outdoor operation air temperature for cooling mode without low-ambient operation accessory is 55°F (12.8°C).
- Maximum outdoor operating air temperature is 125°F (51.7°C).
- For reliable operation, the unit should be level in all horizontal planes.
- Use only copper wire for electric connections at the unit. Aluminum and clad aluminum are not acceptable for the type of connector provided.
- Do not apply capillary tube indoor coils to these units.
- Factory-supplied filter drier must be installed.
Refrigerant Line Size Information
15/16 SEER2 Variable Speed Air Conditioners
Tables detailing allowable liquid and vapor line sizes based on unit size and equivalent length/vertical separation for optimal performance.
Table 1: Maximum Vertical Separation/Capacity Multiplier (Feet)
| Unit Size | Allowable Liquid Line Size | Allowable Vapor Line Size | < 25 | 26-50 | 51-75 | 76-100 | 101-125 | 126-150 |
|---|---|---|---|---|---|---|---|---|
| 2.0 Ton* | 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 |
Table 2: Additional Oil, Oz.
| Lineset Length | 50 | 60 | 70 | 80 | 90 | 100 | 110 | 120 | 130 | 140 | 150 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2T | N/A | N/A | N/A | N/A | N/A | 1 | 2 | 3 | 5 | 6 | 7 |
| 3T | N/A | N/A | N/A | N/A | N/A | N/A | 1 | 2 | 3 | 5 | 6 |
| 4T | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| 5T | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
NOTES:
- 1) Do not exceed 150 ft. linear line length.
- 2) Do not exceed 50 ft. vertical separation if outdoor unit is above indoor unit.
- 3) 3/4" 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) ratings for cooling performance:
| Outdoor Unit | Air Handler | Total Capacity BTU/H [kW] | Net Sensible BTU/H [kW] | Net Latent BTU/H [kW] | SEER2 | EER2 | Indoor CFM [L/s] |
|---|---|---|---|---|---|---|---|
| FOC1524VJAZCA1 | FHRNVV2417 | 22,800 [6.7] | 17,600 [5.2] | 5,200 [1.5] | 15.2 | 9.8 | 750 [354.0] |
| FOC1536VJAZCA1 | FHRNVV3617 | 34,200 [10.0] | 26,600 [7.8] | 7,600 [2.2] | 15.2 | 9.8 | 1,125 [530.9] |
| FOC1548VJAZCA1 | FHRNVV4821 | 45,500 [13.3] | 35,500 [10.4] | 10,000 [2.9] | 15.2 | 9.8 | 1,425 [672.5] |
| FOC1560VJAZCA1 | FHRNVV6024 | 55,500 [16.3] | 43,000 [12.6] | 12,500 [3.7] | 15.2 | 9.8 | 1,675 [790.5] |
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.
EcoNet® Smart Thermostat
The EcoNet® Smart Thermostat enhances the functionality of the Fujitsu iM Air Conditioners.
- Built-in WiFi
- 4.3" LCD Touch Screen
- Local Weather: Displays current conditions plus a 6-day forecast.
- 5 Operating Modes: Heat, Cool, Auto, Emergency Heat, and Fan Only.
- 7-Day Programmable Schedule: Offers customizable comfort settings.
- One-Touch Away: Quickly switch to energy-saving away preferences.
- Vacation Scheduling: Allows for savings while away and ensures comfort upon return.
- Standby Screen: Displays indoor temperature and current weather.
Operational Features
- Automatic Changeover: Transitions between heating and cooling automatically.
- Integrated Water Control: Enables easy water heater management.
- Smooth Arrival: Prompts the system to start ahead of schedule for desired temperature upon arrival.
- 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: Prevents equipment damage from short run cycles.
Monitoring & Remote Control Features
- Active Monitoring: Alerts to problems requiring immediate attention.
- Remote Control: Allows adjusting comfort and settings from anywhere via 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.
