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Sophomore Series 4000 & 5000 Cabinet - Classroom Air Handler - Owner's Manual - Installation, Operation, and Service Instructions

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These instructions are intended as an aid to qualified service personal for proper installation,

adjustment and operation of this appliance, read these instructions thoroughly before

attempting installation or operation. Failure to follow these instructions may result in improper

installation, adjustment, service or maintenance, possibly resulting in fire, electrical shock,

carbon monoxide poisoning, explosion, property damage, personal injury or death.

List of Sections

1.0 Identification and Warranties

.......................................... 4

1.1 Identification

...................................................................... 4

1.2 Unit Inspection .................................................................... 4

1.3 Reference Information

........................................................ 4

1.4 Safety Labeling

................................................................... 5

1.5 LIMITED WARRANTY ........................................................ 6

2.0 Performance Data

............................................................. 8

2.1 Full Load ............................................................................. 8
2.2 Part Load ............................................................................ 8

3.0 Model Number Nomenclature

.......................................... 9

4.0 General Preventative Maintenance

............................... 10

4.1 General Preventative Maintenance

................................. 10

4.2 Cleaning Your Classroom Air Handler .............................. 10
4.3 Filter Maintenance ............................................................11
4.4 Figure 1 | Washable Filters(s)............................................11
4.5 Figure 2 | Disposable Filter(s) ...........................................11

4.6 Removing Supply Fan(s)

.................................................. 12

4.7 Figure 3 |

Removing Supply Fan(s)

.................................. 12

4.8 Removing Condensing Fan .............................................. 13

4.9 Figure 4 |

Removing Condensing Fan .............................. 13

4.10 Cleaning Supply and Condensing Fans

......................... 14

4.11 Figure 5 |

Supply Fan Assembly

..................................... 14

4.12 Figure 6 |

Condenser Fan Assembly

.............................. 14

4.13 Cleaning Energy Recovery Wheels (ERW)

.................... 15

4.14 Figure 7 |

Cleaning Energy Recovery Wheels (ERW)

.... 15

4.15 Removing Energy Recovery Wheels (ERW)

.................. 16

4.16 Figure 8 |

Removing Energy Recovery Wheels (ERW)

.. 16

4.17 Coil Maintenance ............................................................ 17

4.18 Figure 9 |

Coil Maintenance ........................................... 17

4.19 Figure 10 |

Component Drawing ..................................... 18

5.0 Installation Guide

........................................................... 19

5.1 General Assembly and Installation

...................................

5.2 Electrical Connections ...................................................... 20
5.3 Wall Sleeve ....................................................................... 21
5.4 Exterior Louver ................................................................. 22
5.5 Figure 11 |

General Wall Sleeves Visual Assembly

.......... 22

5.6 Rear Standoff (RSO)

........................................................ 22

5.7 Top Plenum ....................................................................... 23

5.8 Rear Plenum Assembly (RPA)

.......................................... 23

5.9 Top Duct Cover

................................................................. 24

6.0 Installation Drawings

..................................................... 25

6.1 Figure 12 |