Installation Instructions and Clearances Electrical Line Voltage Wiring RELEASE Low Voltage Connections Air Volume Adjustment System Charging Electric Heat 10. Final System Checkout 11. Wiring Diagrams 2331 West State Route 55 Troy, OH 45373 Phone: 1-877-909-ACiQ www.aciq.com IO-EF-B02 | EFS-EFL-IO-2025-04...
208/240 V, single phase, 60 Hz power supply. • None of the components in this product family are ACiQ will not be responsible for damages designed or approved to be suitable for outdoor use. caused due to modification of the unit to operate with alternative power sources.
Heat Kits that may be used in conjunction with the shipped product. appliance, field installed heater kit fitting/installation 4. INSTALL INSTRUCTIONS AND CLEARANCES instructions are supplied with the heater kits. This Air Handler unit is a PARTIAL UNIT AIR CONDITIONER, complying with PARTIAL UNIT requirements of Standard UL 60335-2-40/CSA 22.2 NO.
STEP 2: Configuring the Coil Deck Assembly, extend coil FIGURE 4.1.1A DOWNFLOW – FRONT RETURN assembly when in a downflow configuration and collapse the assembly when in an upflow configuration. FIGURE 4.1.2B 4.1.3. FILTER CARE The filter should be checked every month. You may replace the filter by simply removing the single door and sliding out the existing one to replace it with a new filter DRAFT...
4.3 CONVERSION KITS KIT NEEDED MODEL CONFIGURATION RETURN DOOR CONVERTIBLE TO (DEFAULT) (DEFAULT) (DEFAULT) (DEFAULT) F/ CONVERSION DOWNFLOW / FRONT & TOP RETURN AEXK-01 (LOUVER DOOR) DRAFT DOWNFLOW TOP DOWNFLOW FRONT LOUVERED RETURN (SOLID DOOR) AEXK-02 NOT FOR UPFLOW / BOTTOM RETURN (SOLID DOOR) RELEASE...
Page 6
4.3.2 CONVERSION KIT - #AEXK-02 KIT#: AEXK-02 KIT#: AEXK-02 DOWNFLOW/ FRONT RETURN TO DOWNFLOW/ TOP RETURN CONVERSION DOWNFLOW/FRONT RETURN TO DOWNFLOW/TOP RETURN CONVERSION TOP SOLID PANEL (PART: 151110) (STEP#2) TOP PANEL (PART: 141125) (STEP#4) BLOCK OFF PLATE SCREWS X14 (PART: 151101) FILTER RAILS (L&R) (STEP#2) (PART: 151102)
Page 7
4.3.4 CONVERSION KIT - #AEXK-03 KIT#: AEXK-03 KIT: AEXK-03 UPFLOW/BOTTOM RETURN TO DOWNFLOW/FRONT RETURN CONVERSION UPFLOW/ BOTTOM RETURN TO DOWNFLOW/ FRONT RETURN CONVERSION TOP SOLID PANEL (PART: 151110) (STEP#7) SCREWS X15 BLOCK OFF PLATE (PART: 151101) (STEP#7) SOLID SINGLE DOOR (PART: 123202) (STEP#2) (L&R) FILTER RETAINERS...
Page 8
4.3.6 CONVERSION KIT - #AEXK-01 KIT#: AEXK-01 KIT: AEXK-01 UPFLOW/ BOTTOM RETURN TO DOWNFLOW/ TOP RETURN CONVERSION UPFLOW/BOTTOM RETURN TO DOWNFLOW/TOP RETURN CONVERSION (L&R) FILTER RAILS (PARTS:151102) SCREWS X4 (STEP#5) SOLID SINGLE DOOR FILTER 18X20X1 (PART: 123202) (PART: 8767) (STEP#6) COIL DECK ASM (PART: 141128) (STEP#4)
Page 9
4.3.8 CONVERSION KIT - #AEXK-05 KIT#: AEXK-05 KIT#: P/N 123202 DOWNFLOW/ FRONT & TOP RETURN TO DOWNFLOW/ TOP RETURN CONVERSION DOWNFLOW/FRONT & TOP RETURN TO DOWNFLOW/TOP RETURN CONVERSION FILTER RAILS (TOP) (PART: 151102) BLOCK OFF PLATE (STEP#3) (PART: 151101) FILTER 18X20X1 (STEP#2) (PART: 8767) (STEP#3)
Page 10
4.3.10 CONVERSION KIT - #AEXK-03 KIT#: AEXK-03 KIT#: AEXK-03 DOWNFLOW/ TOP RETURN TO DOWNFLOW/ FRONT CONVERSION DOWNFLOW/TOP RETURN TO DOWNFLOW/FRONT CONVERSION TOP SOLID PANEL (PART: 151110) (STEP#3) BLOCK OFF PLATE (PART: 151101) TOP PANEL (STEP#1&2) SCREWS X8 (PART: 141125) (STEP#&2) FILTER RAILS (L&R) (L&R) FILTER RETAINERS (PART: 151102)
4.3.12 CONVERSION KIT - N/A KIT#: N/A DOWNFLOW/TOP RETURN TO UPFLOW/BOTTOM RETURN CONVERSION DRAFT NOT FOR the tabs over 90 degrees to ensure a secure connection. 4.4 DUCTWORK AND DUCT CONNECTOR Seal around the duct connector. Duct systems should be installed in accordance with stan- Slit the corners of the duct connector that stick up dards for air-conditioning systems, National Fire Protection above the floor, and then bend the sides over onto the...
6.1 SINGLE STAGE COOLING WITH ELECTRIC HEAT Before obtaining access to terminals, all WARNING supply circuits must be disconnected. The electric furnace comes factory setup for a single stage cooling sys- A fused disconnect switch must be field tem. If factory installed accessory WARNING provided for the unit to be in compliance with electric heaters are preinstalled, the...
If outdoor unit instructions and charts are not available, blower motor has selectable speed taps labeled 1 through 5. use ACiQ provided charts. Make certain indoor air tem- The speed taps are energized by 24 volts received from the perature is near comfort level set-point 75F, prior to es- time delay relay.
10. FINAL SYSTEM CHECKOUT TABLE 9.1 AE(D,U)-S/L ELECTRIC HEAT KITS 10.1 ELECTRIC SPEED MIN. Make certain all cabinet openings are properly sealed, MODEL HEAT KIT AIRFLOW and any grommets moved during installation are moved into proper place. F(C,T)LS03 F(C,T)LS05 10.2 With cooling system operating, check for condensate F(C,T)LS06 leakage.
Page 15
DRAFT FIGURE 11.2 - ECM MOTOR FOR A2L (R454B OR R32 REFRIGERANTS) APPLICATIONS A REFRIGERANT DETECTION SYSTEM (RDS) WILL BE REQUIRED, REFER TO FIGURE 11.2 NOTE: Wiring Diagram is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring. NOT FOR RELEASE FIGURE 11.3...
Need help?
Do you have a question about the EFS Series and is the answer not in the manual?
Questions and answers