Unitary products group LF-25 Manuals

Manuals and User Guides for Unitary products group LF-25. We have 1 Unitary products group LF-25 manual available for free PDF download: Installation Manual

Unitary products group LF-25 Installation Manual

Unitary products group LF-25 Installation Manual (32 pages)

SPLIT-SYSTEM (AIR COOLED) EVAPORATOR BLOWER

Brand: Unitary products group | Category: Blower | Size: 0 MB

Table of Contents

Table of Contents
2
General
4
Notes, Cautions and Warnings
4
Replacement Parts
4
Inspection
4
Limitations
4
Indoor Product Nomenclature
5
Unit Application Data
5
Physical Data
6
Blower Motor Mounting Locations
7
Lf-25/ Ll-30/Ll-40 Motor Mounting
7
Ll-50 Motor Mounting
7
And Ll-30/Ll-40 Factory Motor Mounting Position
7
Factory Motor Mounting Position . 7 Ll-50 Motor Mount Plate
7
Motor Mount Arrangements
8
Lf-25/Ll-30/Ll-40 Motor Arrangements
8
Additional Motor Arrangments for
8
Lf-25/Ll-30/Ll-40 Motor Location a
8
Ll-50 Motor Arrangements
9
Re-Locating the Ll-50 Motor Mounting Plate
9
Alternate Position One
9
Alternate Position Two
9
Alternate Position Three
9
Air Discharge Conversion
9
Lf-25/Ll-30/Ll-40 Air Discharge
9
Vertical Airflow Arrangements
10
Horizontal Airflow Arrangements
10
Ll-50 Air Discharge
11
Unit Installation
11
Location
11
Rigging
11
Clearances
11
Airflow Arrangements
11
Mounting
12
Unit Mounting Dimensions
12
Corner Weights
12
Accessory Operating Weight
12
Details for Securing Bottom Mounting Supports
13
Lf-25/Ll-40/Ll-30 Weight Distribution
13
Weight Distribution with Suspension Application
14
Duct Connections
15
Insulation
15
Supply Air Ducts
15
Details for Securing Suspension Channels
15
Return Air Duct Angles
16
Drain Connections
16
Refrigerant Mains
16
Suggested Method for Connecting Ductwork
16
Recommended Drain Piping
16
Evaporator Section Piping
17
Expansion Valve Bulb Installation
17
Liquid Line Solenoids
17
Pump out
18
Bearing Alignment: Ll-50
18
Air System Adjustment
18
Twin Belt Drive Adjustment
18
Center Bearing
18
Double Groove Pulley
18
Electrical Connections
19
Electrical Data
19
Motor Overload Elements
19
Maintenance
20
Unit Drive Data
20
Unit Blower Motor Data
20
Fan Peformance Data - 25 Ton
21
Fan Peformance Data - 30 Ton
21
Fan Performance Data - 40 Ton
21
Fan Performance Data - 50 Ton
21
Unit Dimensions - Lf-25, Ll-30 & Ll-40
22
25 Ton Liquid Line Solenoid Wiring
22
30, 40 & 50 Ton Liquid Line Solenoid Wiring
22
Piping Connections
23
Unit Dimensions
24
Piping Connections - End Panel Detail
24
Hole Location for Pressure Drop Reading
25
25-Ton Pressure Drop Vs. Cfm Across Indoor Coil
26
Indoor Coil (Domestic)
27
50 Ton - Pressure Drop Vs. Cfm Across Indoor Coil
27
Indoor Unit Wiring Diagram Ll-30, Ll-40 & Ll-50
28
Indoor Wiring Diagram Lf-25
29

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