Table Of Contents - Carrier WeatherExpert 48LC Series Installation Instructions Manual

Table of Contents

Electrical Shock Hazard2
Fire Hazard2
Rated Indoor Airflow (Cfm)3
Installation9
Roof Mount9
Curb-Mounted Installation10
Pad-Mounted Installation10
Frame-Mounted Installation10
Slab Mount (Horizontal Units Only)10
Alternate Unit Support (In Lieu Of Curb Or Slab Mount)10
Positioning On Curb13
Step 8 - Install Outside Air Hood14
Economizer Hood Removal And Setup - Factory Option14
Economizer Hood Assembly14
Step 9 - Install Flue Hood15
Step 10 - Install Gas Piping15
Equipment Damage16
Factory-Option Thru-Base Connections (Gas Connection)16
Step 11 - Install External Condensate Trap And Line18
Step 12 - Make Electrical Connections18
All Units20
Units Without Factory-Installed Non-Fused Disconnect Or Hacr26
Units With Factory-Installed Non-Fused Disconnect Or Hacr26
Convenience Outlets27
Factory-Option Thru-Base Connections (Elec- Trical Connections)29
Field Control Wiring30
Unit Without Thru-Base Connection Kit30
Humidi-Mizer System - Space Rh Controller30
Rtu Open Controller (Factory-Installed Option)31
Systemvu™ Controller (Factory-Installed Option)31
Integrated Staging Control (Isc) Board32
Isc Board - Sequence Of Operation33
Factory Option)34
System Components34
Specifications35
Economizer Module Wiring Details35
Interface Overview37
Setup And Configuration37
Enthalpy Settings46
Two-Speed Fan Operation46
Troubleshooting47
Staged Air Volume (Sav™) With Variable Fre- Quency Drive48
Multi-Speed Vfd Display Kit (Field-Installed Accessory)48
Alphanumeric Display49
Program The Vfd For 3 Discrete Indoor Fan Speeds50
Setting Limits53
Completing Installation Of Return-Air Smoke Sensor59
Additional Application Data59
Smoke Detectors60
Belt Force - Deflection Method60
Belt Tension Method60
Preliminary Information63
Pre-Start-Up63
Humidi-Mizer64