Owner's Manual - Installation, Operation, and Service Instructions Version 1.3 Sophomore Series 4000 & 5000 Cabinet- Classroom Air Handler Single Package Vertical Air Conditioner & Heat Pump Improper installation, adjustment, alteration, service or maintenance can cause property damage, personal injury or loss of life, and could cause exposure to substances which have been determined by various state agencies to cause cancer, birth defects or other reproductive harm.
Sophomore Series 4000 & 5000 Cabinet - Classroom Air Handler - Owner's Manual - Installation, Operation, and Service Instructions www.systemair.
Sophomore Series 4000 & 5000 Cabinet - Classroom Air Handler - Owner's Manual - Installation, Operation, and Service Instructions List of Sections 1.0 Identification and Warranties........................................... 4 4.15 Removing Energy Recovery Wheels (ERW)................... 16 1.1 Identification ....................................................................... 4 4.16 Figure 8 | Removing Energy Recovery Wheels (ERW)... 16 1.2 Unit Inspection..........................................
Sophomore Series 4000 & 5000 Cabinet - Classroom Air Handler - Owner's Manual - Installation, Operation, and Service Instructions 1.0 Identification and Warranties 1.1 Identification Please keep this page for future reference. You have just purchased a Systemair Sophomore Series Raised Intake Air Handling Unit. This design is certified by the Electrical Testing Laboratories (ETL) and bears the label indicating it has been tested to the current safety standards UL 1995 and CAN/ CSA 22.2 NO.
Sophomore Series 4000 & 5000 Cabinet - Classroom Air Handler - Owner's Manual - Installation, Operation, and Service Instructions 1.4 Safety Labeling This is a safety alert symbol. When you see this symbol on labels or in manuals, be alert to the potential for personal injury. Understand and pay particular attention to words DANGER, WARNING or CAUTION. DANGER indicates an imminently hazardous situation, which, if not avoided, will result in death or serious injury.
Sophomore Series 4000 & 5000 Cabinet - Classroom Air Handler - Owner's Manual - Installation, Operation, and Service Instructions 1.5 LIMITED WARRANTY LIMITED STANDARD PARTS ONLY WARRANTY (14 months) This Systemair product is warranted to the original purchaser to be free from defects in material and workmanship under normal use and maintenance, consistent with Systemair instructions or recommendations for use and maintenance, for a period of 14 months from shipping date.
Sophomore Series 4000 & 5000 Cabinet - Classroom Air Handler - Owner's Manual - Installation, Operation, and Service Instructions No claim or demand may be asserted against Systemair or its employees, agents, directors, officers, representatives and/or suppliers hereunder unless the injury, loss or damage giving rise to such claim or demand is sustained within the applicable warranty period referred to above and unless such claim or demand is first asserted within twelve months after the injury, loss or
Sophomore Series 4000 & 5000 Cabinet - Classroom Air Handler - Owner's Manual - Installation, Operation, and Service Instructions 2.0 Performance Data 2.1 Standard Performace Data FULL LOAD CFM Total Cooling Capacity (Btu/hr) Sensible Cooling Capacity (Btu/hr) 2.0 3.0 4.0 5.0 800 1100 1400 1800 24,100 35,600 47,500 57,100 19,000 27,100 38,000 41,900 11.3 11.1 11.0 11.0 16.4 15.2 16.1 14.5 22,200 32,400 44,860 56,200 3.41 3.41 3.54 3.
Sophomore Series 4000 & 5000 Cabinet - Classroom Air Handler - Owner's Manual - Installation, Operation, and Service Instructions 3.0 Model Number Nomenclature Designation Sample 12 CA H 1. Product Type CA - Systemair Classroom Handler 2. Heat Source E - Electrical Elements H - Hydronic Coil N - No Heat Source 3. Cabinet 40 - 4000 Series Cabinet 50 - 5000 Series Cabinet 4.
Sophomore Series 4000 & 5000 Cabinet - Classroom Air Handler - Owner's Manual - Installation, Operation, and Service Instructions 4.0 General Preventative Maintenance 4.1 General Preventative Maintenance By performing proper preventative maintenance your air handler will operate economically and dependably. Instructions for basic maintenance are found below. 1. Always turn OFF electrical power supply before cleaning the unit or performing any maintenance. 2.
Sophomore Series 4000 & 5000 Cabinet - Classroom Air Handler - Owner's Manual - Installation, Operation, and Service Instructions 4.3 Filter Maintenance Filtering Out Trouble Dirty air filters will cause air flow reduction through your unit. If excessive air loss occurs, the unit may freeze up when in the air conditioning mode, or cycle on high and limit safety controls during heating mode. If this condition persists the unit may be locked out by the safety circuits.
Sophomore Series 4000 & 5000 Cabinet - Classroom Air Handler - Owner's Manual - Installation, Operation, and Service Instructions 4.6 Removing Supply Fan(s) Remove Supply Fan Motor(s) as follows: 1. Turn OFF electrical supply to the unit. 2. Open front service panels of unit using key provided. 3. Disconnect the wire harness from the fan motor. (Fig. 3) 4. Carefully pull the assembly straight out of the unit. 5. Clean dirt from fan blades and around the motor housing. 6.
Sophomore Series 4000 & 5000 Cabinet - Classroom Air Handler - Owner's Manual - Installation, Operation, and Service Instructions 4.8 Removing Condensing Fan Remove Condenser Fan Motor as follows: 1. Turn OFF electrical supply to the unit. 2. Open front service panels of unit using key provided. 3. Remove the fasteners from condenser fan access cover and pull the access cover out of the unit. (Fig. 4) 4. Disconnect the wire harness from the condenser fan. (Fig. 4) 5.
Sophomore Series 4000 & 5000 Cabinet - Classroom Air Handler - Owner's Manual - Installation, Operation, and Service Instructions 4.10 Cleaning Supply and Condensing Fans Cleaning Supply (Fig. 5) and, Condensing Fan (Fig. 6) 1. Remove fan(s) from unit. (Refer to Pg 12,13) 2. Take a brush or similar cleaning tool and clean blades of fan to remove built up attached dirt. 3. Use a vacuum or compressed air and clean entire fan including the blades. 4. Replace fan in unit. (Refer to Pg 12, 13) 4.
Sophomore Series 4000 & 5000 Cabinet - Classroom Air Handler - Owner's Manual - Installation, Operation, and Service Instructions 4.13 Cleaning Energy Recovery Wheels (ERW) Cleaning Energy Recovery Wheel (ERW) 1. Turn OFF electrical power to the unit. 2. Open front service panels with the key provided. 3. Open ERW damper. 4. Carefully reach in with vacuum end and vacuum the core making sure to rotate the wheel. 5.
Sophomore Series 4000 & 5000 Cabinet - Classroom Air Handler - Owner's Manual - Installation, Operation, and Service Instructions 4.15 Removing Energy Recovery Wheels (ERW) Removing Energy Recovery Wheel (ERW) 1. Turn OFF electrical power to the unit. 2. Open front service panels with the key provided. 3. Remove the 7 screws holding the ERW damper assembly and disconnect Belimo wire harness. Remove damper assembly 4. Pull out ERW and disconnect wire harness. 5. Reverse order to reassemble. 4.
Sophomore Series 4000 & 5000 Cabinet - Classroom Air Handler - Owner's Manual - Installation, Operation, and Service Instructions 4.17 Coil Maintenance Heating Coil (located on top of the Indoor coil) 1. Using a coil brush remove/dislodge excess foreign matter. 2. Vacuum loosened foreign matter. 3. Using compressed air, clean coil in reverse direction of air flow and/or using an environmentally safe cleaner, spray top side of coil and allow to soak for several minutes. 4.
Sophomore Series 4000 & 5000 Cabinet - Classroom Air Handler - Owner's Manual - Installation, Operation, and Service Instructions 4.19 Figure 10 | Component Drawing Fig. 10 Component Drawing www.systemair.
Sophomore Series 4000 & 5000 Cabinet - Classroom Air Handler - Owner's Manual - Installation, Operation, and Service Instructions 5.0 Installation Guide 5.1 General Assembly and Installation It is important to read and understand the instructions outlined in this document, as well as any job specific documentation provided in the Information Package before proceeding with the installation. Care should be taken to protect the painted finish when handling the unit and accessories.
Sophomore Series 4000 & 5000 Cabinet - Classroom Air Handler - Owner's Manual - Installation, Operation, and Service Instructions 5. If the wall is not perfectly perpendicular to the floor, it may be necessary to slide shims under the front or back of the air handler. 6. Open the bottom and top front service panels with the door key provided. 7. Lag the unit securely to the floor in at least two places. This should be done through the bottom pan of the air handler from the inside. 8.
Sophomore Series 4000 & 5000 Cabinet - Classroom Air Handler - Owner's Manual - Installation, Operation, and Service Instructions If an electric duct heater is supplied either by others or by Systemair it must have its own supply line voltage. It can not be connected to the unit. In Canada, the unit must be installed and electrically grounded in accordance with local codes, or the Canadian Electric Code CSA C22.1. In the U.S.
Sophomore Series 4000 & 5000 Cabinet - Classroom Air Handler - Owner's Manual - Installation, Operation, and Service Instructions 5.4 Exterior Louver The exterior louver is supplied with the unit and should slide into the wall sleeve from the outside of the building. Fasten to the wall through the standard 2” flange. Refer to Information Package and installation diagrams shipped with the unit.
Sophomore Series 4000 & 5000 Cabinet - Classroom Air Handler - Owner's Manual - Installation, Operation, and Service Instructions 3. Due to slight variations in the unit widths, it is best to assemble the RSO on the unit rather than preassembling the RSO and then fastening it to the unit. 4. Position the unit directly in front of its final installation position. Allow enough room behind the unit for the RSO and some room to work.
Sophomore Series 4000 & 5000 Cabinet - Classroom Air Handler - Owner's Manual - Installation, Operation, and Service Instructions You may require an assistant's help for this procedure. 1. It is necessary to remove and reassemble the back from the RPA in order to fasten it to the back of the air handler. Remove the back panel of the RPA. 2. Field cut openings must be made in the back panel of each rear plenum assembly (RPA).
Sophomore Series 4000 & 5000 Cabinet - Classroom Air Handler - Owner's Manual - Installation, Operation, and Service Instructions 6.0 Installation Drawings www.systemair.net Fig. 12 Sophomore Series Installation Drawing NOTE: All installation drawings provide information for installation of hot water and electric heat units. 6.
Sophomore Series 4000 & 5000 Cabinet - Classroom Air Handler - Owner's Manual - Installation, Operation, and Service Instructions Fig. 13 Sophomore Series Installation Drawing NOTE: All installation drawings provide information for installation of hot water and electric heat units. No Drill Zone 6.2 Figure 13 | Sophomore Series Installation Drawing www.systemair.
Sophomore Series 4000 & 5000 Cabinet - Classroom Air Handler - Owner's Manual - Installation, Operation, and Service Instructions 7.0 Troubleshooting Guide ATTENTION: Systemair is not responsible for injury to untrained or unauthorized personnel who attempt to do repairs based on the trouble shooting procedures outlined in this section. Your Systemair Classroom Air Handling Unit has been manufactured with great care and top rated quality control.
Sophomore Series 4000 & 5000 Cabinet - Classroom Air Handler - Owner's Manual - Installation, Operation, and Service Instructions 2. Problem - Supply Fan Not Running a. Check for proper speed control operation. b. Check for proper control signal at fan motor and relay. c. Check for “supply VAC” at fan relay and motor. 3. Problem - Excessive Noise a. Blower wheel rubbing- Check for proper positioning and clearance of blower wheel. Adjust wheel as necessary. b.
Sophomore Series 4000 & 5000 Cabinet - Classroom Air Handler - Owner's Manual - Installation, Operation, and Service Instructions 3. Problem - Compressor Cycles Off and On a. Low voltage; check for proper supply voltage at unit. b. Restriction in the air across the condenser; check and clean as required. c. Check for proper installation of the wall sleeve and louver. d. Check high-pressure switch and/or low pressure switch (if equipped). e. Confirm the condenser fan and supply fan speed and operation.
Sophomore Series 4000 & 5000 Cabinet - Classroom Air Handler - Owner's Manual - Installation, Operation, and Service Instructions www.systemair.
Sophomore Series 4000 & 5000 Cabinet - Classroom Air Handler - Owner's Manual - Installation, Operation, and Service Instructions www.systemair.
service@systemair.net www.systemair.net Systemair reserves the right to update or continually improve their products, specifications or information without notice. Systemair • 20220427 • Sophomore Series - v1.
