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Installation Manual – THH
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THH HIGH PERFORMANCE HORIZONTAL
FAN COIL UNITS
Table of Contents
Introduction
................................................................................................................2
Safety Symbols ............................................................................................................3
Safety Precautions ...................................................................................................... 3
Section 1 – Receipt & Initial Installation
Code Compliance ................................................................................................. 4
Receipt And Initial Installation ............................................................................ 4
Unpacking & Inspection .......................................................................................4
Handling & Installation .........................................................................................5
Drain Pan ..............................................................................................................5
Auxiliary Drain Pans ..............................................................................................6
Return Air Location .............................................................................................. 7
Fan Removal ........................................................................................................ 7
Plenum Box Service Panel ................................................................................... 7
Plenum Box Removal ........................................................................................... 7
Coil Handing ........................................................................................................ 8
Coils...................................................................................................................... 8
Piping Connections ...............................................................................................8
Ductwork Connections .........................................................................................8
Electrical Connections ..........................................................................................9
Control Enclosure ..................................................................................................9
Section 2 – Start-Up
Start-Up
.............................................................................................................
11
Cooling/Heating System. ....................................................................................11
Motor & Fan Data ...............................................................................................12
Air Standard Ratings ..........................................................................................12
Air System Balancing .........................................................................................13
Water System Balancing ....................................................................................13
Controls Operation ..............................................................................................13
Physical Data ......................................................................................................13
Motor/Blower Assembly. ....................................................................................13
Section 3 – Normal Operation & Periodic Maintenance
Fan Assembly ......................................................................................................14
Coil ......................................................................................................................14
Unit Weight Data ............................................................................................... 15
Electric Resistance Heater Assembly .................................................................16
Electrical Wiring & Controls ...............................................................................16
Electric Heat Selection Chart (Amps) .................................................................17
Valves & Piping ...................................................................................................18
Drain ....................................................................................................................18
Filters ...................................................................................................................18
Filter Replacement ............................................................................................. 18
Face Area, Free Area And Filter Sizes ................................................................18
Replacement Parts..............................................................................................19
Model THHC Free Return Dimensions .............................................................. 20
Model THHC Free Return Unit Specific Dimensions ........................................ 21
Model THHP Plenum Return Dimensions ..........................................................22
Model THHP Plenum Return Unit Specific Dimensions ................................... 23
THHE Exposed Cabinet Units .............................................................................24
THH Telescoping / Filter And Solid bottom Access Panels ............................... 25
THH Series Coil Connection Sizes ..................................................................... 26
Inspection & Start-Up Checklist ............................................................................... 27
Notes ......................................................................................................................... 28
INTRODUCTION
Titus fan coils represent a prudent investment which can, with proper
installation, operation, and regular maintenance, give trouble free
operation and long service. Your equipment is initially protected under
the manufacturer’s standard warranty; however, this warranty is
provided under the condition that the steps outlined in this manual for
initial inspection, proper installation, regular periodic maintenance, and
everyday operation of the equipment be followed in detail. This manual
should be fully reviewed in advance of any actual work being done on the
equipment. Should any questions arise, please contact your local Sales
Representative or the factory BEFORE proceeding. The equipment covered
by this manual is available with a vast variety of options and accessories.
Consult the approved unit submittal, order acknowledgement, and other
manuals for details on the options and accessories provided with the
equipment on each project.
