Owner's Manual - Installation, Operation, and Service Instructions Version 1.3 Freshman Series 1000A & 1600A Cabinet Classroom Air Handler Non-Compressorized and Split Vertical Air Conditioner 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.
Freshman Series 1000A & 1600A Cabinet - Classroom Air Handler - Owner's Manual - Installation, Operation, and Service Instructions List of Sections 1.0 Symbols and Warnings........................................................4 2.0 Identification.......................................................................5 2.1 General Information..................................................................5 2.2 Unit Inspection...........................................................................
Freshman Series 1000A & 1600A Cabinet - Classroom Air Handler - Owner's Manual - Installation, Operation, and Service Instructions 1.0 Symbols and Warnings 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, and CAUTION. DANGER indicates an imminently hazardous situation, which, if not avoided, will result in death or serious injury.
Freshman Series 1000A & 1600A Cabinet - Classroom Air Handler - Owner's Manual - Installation, Operation, and Service Instructions 2.0 Identification 2.1 General Information 2.2 Unit Inspection Please keep this page for future reference Inspected For Freight Damages You have just purchased a Freshman Series Air Handling Unit. This design is certified by TUV SUD America Inc..
Freshman Series 1000A & 1600A Cabinet - Classroom Air Handler - Owner's Manual - Installation, Operation, and Service Instructions 3.0 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.
Freshman Series 1000A & 1600A Cabinet - Classroom Air Handler - Owner's Manual - Installation, Operation, and Service Instructions THE EXPRESS WARRANTIES SET OUT HEREIN ARE VOID IN CASES WHERE THE SYSTEMAIR PRODUCT IS NOT USED IN ACCORDANCE WITH THE SYSTEMAIR OPERATING MANUAL, EXPOSED TO ENVIRONMENTS OUTSIDE OF ITS INTENDED USE OR DAMAGED THROUGH NEGLIGENCE OR INTENTIONAL ACTS OF ANY PARTY.
Freshman Series 1000A & 1600A Cabinet - Classroom Air Handler - Owner's Manual - Installation, Operation, and Service Instructions 4.0 Model Number Nomenclature 4.1 Table 1 | Freshman Series - Nomenclature www.systemair.
Freshman Series 1000A & 1600A Cabinet - Classroom Air Handler - Owner's Manual - Installation, Operation, and Service Instructions 5.0 General Preventative Maintenance 5.1 General Information NOTE: By performing proper preventative maintenance your unit will operate economically and dependably. Instructions for basic maintenance are found below. 1. 2. 3.
Freshman Series 1000A & 1600A Cabinet - Classroom Air Handler - Owner's Manual - Installation, Operation, and Service Instructions 5.3 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.
Freshman Series 1000A & 1600A Cabinet - Classroom Air Handler - Owner's Manual - Installation, Operation, and Service Instructions 5.4 Removing Supply Fan(s) Remove SUPPLY FAN MOTOR as follows A qualified service technician should perform the following. 1. Turn OFF electrical supply to the unit. 2. Open front service panels of unit using key provided. 3. Disconnect the wire harness running to the fan motor. (Fig. 2) 4. Remove fastening screws from either side of fan assembly. 5.
Freshman Series 1000A & 1600A Cabinet - Classroom Air Handler - Owner's Manual - Installation, Operation, and Service Instructions 5.5 Cleaning Supply and Relief Fans 1. Remove Fan from unit. (Refer to Section 5.5) 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 Section 5.
Freshman Series 1000A & 1600A Cabinet - Classroom Air Handler - Owner's Manual - Installation, Operation, and Service Instructions 5.6 Coil Maintenance Heating Coil (Open Access) 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.
Freshman Series 1000A & 1600A Cabinet - Classroom Air Handler - Owner's Manual - Installation, Operation, and Service Instructions 5.7 Cleaning Energy Recovery Filters 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.
Freshman Series 1000A & 1600A Cabinet - Classroom Air Handler - Owner's Manual - Installation, Operation, and Service Instructions 5.8 Removing Fixed Core Plates 1. Turn OFF electrical power to the air handler. 2. Open front service panels with the key provided. 3. Slide return air filter up and out of brackets and set aside. 4. Remove the screws holding the exchange core cover plate and remove plate. 5. Loosen the screws on the exchange core cover plate. 6.
Freshman Series 1000A & 1600A Cabinet - Classroom Air Handler - Owner's Manual - Installation, Operation, and Service Instructions 5.9 Cleaning Fixed Core Plates 1. If cores are wet allow them to dry before cleaning 2. Using low psi compressed air blow dirt out of cores in the opposite direction of the air flow (Fig. 7) 3. Once clean, repeat the core removal steps in reverse order to install the cores 4. Once installed, close doors and turn electrical power back on. 5.
Freshman Series 1000A & 1600A Cabinet - Classroom Air Handler - Owner's Manual - Installation, Operation, and Service Instructions 5.10 Removing Relief Fan(s) Motor - continued 7. Unplug the electrical wires running to the recovery fan motor. 8. Remove the 4 bolts located on top of the return air damper pan that holds the recovery fan motor. 9. Pull down on fan and remove from unit. 10. Clean dirt from fan blades and around motor housing using compressed air or cloth. 11.
Freshman Series 1000A & 1600A Cabinet - Classroom Air Handler - Owner's Manual - Installation, Operation, and Service Instructions 5.11 Cleaning The Energy Recovery Wheel Cleaning Instructions 1. 2. 3. 4. 5. 6. Turn OFF electrical supply to the unit. Open front service panels using key provided. Disconnect the wire harness to the actuator located on the return air damper. Remove the screws that is holding return air damper in place. Remove the relief air filter.
Freshman Series 1000A & 1600A Cabinet - Classroom Air Handler - Owner's Manual - Installation, Operation, and Service Instructions 5.12 Figure 10 | Removing Relief Fan(s) Relief Fan(s) Return Air Damper 6.0 Installation Guide 6.1 General Pre-Installation A location should be selected that will give the best circulation of the conditioned room air. Do not locate the unit behind a door, or at a point where a door, if left open, would obstruct the flow of supply/return air.
Freshman Series 1000A & 1600A Cabinet - Classroom Air Handler - Owner's Manual - Installation, Operation, and Service Instructions 6.3 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.
Freshman Series 1000A & 1600A Cabinet - Classroom Air Handler - Owner's Manual - Installation, Operation, and Service Instructions 6.3 General Assembly and Installation - continued 4. Check to be sure that the back of the Classroom Air Handler is centered directly in front of the wall sleeve opening, and then carefully slide the air handler back into place (the unit must be level). 5.
Freshman Series 1000A & 1600A Cabinet - Classroom Air Handler - Owner's Manual - Installation, Operation, and Service Instructions 6.4 Electrical Connections Attention: Electrician It is recommended that each unit be installed on a permanent, separate electrical circuit. The circuit must be protected by a fuse or HACR type circuit breaker.
Freshman Series 1000A & 1600A Cabinet - Classroom Air Handler - Owner's Manual - Installation, Operation, and Service Instructions 6.6 Figure 11 | General Wall Sleeve Assembly Wall Sleeve Assembly Exterior Louver A. Wall Sleeve with a divider for relief air B. Wall Sleeve for standard ventilation 6.7 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.
Freshman Series 1000A & 1600A Cabinet - Classroom Air Handler - Owner's Manual - Installation, Operation, and Service Instructions 6.8 Relief Damper Systemair recommends the use of a relief damper assembly be used in conjunction with all units installations unless balanced powered exhaust is made available within the ventilated space. Improper static pressure control of a ventilated space will affect the ventilation capacities and unit performance.
Freshman Series 1000A & 1600A Cabinet - Classroom Air Handler - Owner's Manual - Installation, Operation, and Service Instructions 6.10 Rear Standoff (RSO) We recommend the use of ¾” x #10 round head self-tapping sheet metal screws to fasten the accessories to the unit. NOTE: When the vertical classroom unit is fitted with a rear standoff (RSO) or rear plenum assembly (RPA) it becomes necessary to fasten the unit to the wall by using a supplied 2” x 2” x 34” 18ga.
Freshman Series 1000A & 1600A Cabinet - Classroom Air Handler - Owner's Manual - Installation, Operation, and Service Instructions 6.11 Top Plenum 6.12 Rear Plenum Assembly (RPA) 1. Carefully unpack the plenum assembly. The plenums sent with the units may vary in height or model, and will be labeled with a UV# if provided. We recommend the use of ¾” x #10 round head self-tapping sheet metal screws to fasten this accessory to the air handler. 2.
Freshman Series 1000A & 1600A Cabinet - Classroom Air Handler - Owner's Manual - Installation, Operation, and Service Instructions 6.12 Rear Plenum Assembly (RPA) - continued 6.13 Top Duct Cover 4. 1. 2. 5. 6. 7. 8. Position the Classroom Air Handler directly in front of its final installation position. Allow enough room behind the unit for the RPA and some room to work. (Once the RPA is mounted it may become more difficult to relocate the unit.
Freshman Series 1000A & 1600A Cabinet - Classroom Air Handler - Owner's Manual - Installation, Operation, and Service Instructions 7.0 Installation Drawings www.systemair.net All installation drawings provide information for installation of hot water, steam and electric heat units. NOTE: 7.
Freshman Series 1000A & 1600A Cabinet - Classroom Air Handler - Owner's Manual - Installation, Operation, and Service Instructions All installation drawings provide information for installation of hot water, steam and electric heat units. NOTE: 7.2 Figure 14 | Freshman - CA H 1000A NA VPS DD www.systemair.
Freshman Series 1000A & 1600A Cabinet - Classroom Air Handler - Owner's Manual - Installation, Operation, and Service Instructions www.systemair.net All installation drawings provide information for installation of hot water, steam and electric heat units. NOTE: 7.
Freshman Series 1000A & 1600A Cabinet - Classroom Air Handler - Owner's Manual - Installation, Operation, and Service Instructions All installation drawings provide information for installation of hot water, steam and electric heat units. NOTE: 7.4 Figure 16 | Freshman - CA H 1600A NA VPS DD www.systemair.
Freshman Series 1000A & 1600A Cabinet - Classroom Air Handler - Owner's Manual - Installation, Operation, and Service Instructions 8.0 Troubleshooting Guide Systemair is not responsible for injury to untrained or unauthorized personnel who attempt to do repairs based on the troubleshooting procedures outlined in this section. 8.1 General Information 8.3 Controls Your Systemair Classroom Air Handling Unit has been manufactured with great care and top rated quality control.
Freshman Series 1000A & 1600A Cabinet - Classroom Air Handler - Owner's Manual - Installation, Operation, and Service Instructions Systemair is not responsible for injury to untrained or unauthorized personnel who attempt to do repairs based on the troubleshooting procedures outlined in this section. opens at 150°F (65°C) and resets automatically, and a line voltage fuse at the element which opens at 219°F (104°C) and will not automatically reset, consult a service technician to replace these fuses.
Freshman Series 1000A & 1600A Cabinet - Classroom Air Handler - Owner's Manual - Installation, Operation, and Service Instructions Systemair is not responsible for injury to untrained or unauthorized personnel who attempt to do repairs based on the troubleshooting procedures outlined in this section. 8.6 General Air Handler Troubleshooting Problem - Unit Tripped Breakers 1. Incorrect fuse; check fuse size. NOTE: 2.
Freshman Series 1000A & 1600A Cabinet - Classroom Air Handler - Owner's Manual - Installation, Operation, and Service Instructions Systemair is not responsible for injury to untrained or unauthorized personnel who attempt to do repairs based on the troubleshooting procedures outlined in this section. 8.7 Cooling Troubleshooting Problem - Temperature drop between mixed air and supply is less than 18°F (-7°C). If it is more than this, the unit is operating properly. 1.
Freshman Series 1000A & 1600A Cabinet - Classroom Air Handler - Owner's Manual - Installation, Operation, and Service Instructions 9.0 Replacement Parts 9.1 Obtaining Parts Contact your dealer or the factory for questions concerning prices and policies on replacement parts. When ordering replacement parts always give the following information: • Model and Serial Number of Vertical Classroom Air Handler and Gas Heating Module. Replacement parts and service are available through your local Systemair .
service@systemair.net www.systemair.net Systemair reserves the right to update or continually improve their products, specifications or information without notice. Systemair • 20220420 • Freshman Series - v1.