Carrier 39LA25 Manuals

Manuals and User Guides for Carrier 39LA25. We have 2 Carrier 39LA25 manuals available for free PDF download: Installation, Start-Up And Service Instructions Manual

Carrier 39LA25 Installation, Start-Up And Service Instructions Manual (60 pages)

Indoor Air-Handling Units

Brand: Carrier | Category: Chiller | Size: 7.3 MB

Table of Contents
1
Safety Considerations
2
Introduction
3
Unit Identification
3
Preinstallation
10
Rigging
10
Suspended Units
10
Service Clearance
10
Condensate Drain
10
External Vibration Isolators
10
Installation
14
Base Rail Split
14
Mixing Box
15
Damper Actuators
15
Ductwork Attachment
15
Install Condensate Drain
18
Variable Frequency Drive (VFD)
18
Install Fan Motor
18
Junction Box Condensate Prevention
18
Power Knockouts
18
Motor Nameplate Data
19
Fan Motor Starter
20
Wiring
20
Start-Up and Test
20
Disconnect
20
Disconnect Wiring
20
Vfd
21
Wiring
21
Start-Up and Test
21
VFD Configuration
26
Start-Up with Assistant
26
Start-Up by Changing Parameters Individually
26
VFD Modes
27
Standard Display Mode
27
Parameters Mode
27
Changed Parameters Mode
27
Drive Parameter Backup Mode
27
Upload All Parameters
28
Download All Parameters
28
Clock Set Mode
28
I/O Settings Mode
28
Install Sheaves on Motor and Fan Shafts
28
Alignment
29
Install V-Belts
30
Tension Measurement Procedure
30
Water and Steam Coil Piping Recommendations
33
General
33
Water Coils
33
Steam Coils
33
Coil Freeze-Up Protection
36
Water Coils
36
Steam Coils
36
Inner Distributing Tube Steam Coils
36
Idt Steam Coil Piping
36
Refrigerant Piping, Direct-Expansion (DX) Coils
38
Suction Piping
38
Expansion Valve Piping
39
Hot Gas Bypass
39
Unloading Considerations
43
Special Piping with 4 Splits Per Coil
43
Electric Heaters
45
Connect Power and Control Wires
45
Discharge Modification
48
Start-Up
49
Check List
49
Filters
49
Fans
49
Coils
50
Service
50
General
50
Fan Motor Replacement
50
Coil Cleaning
50
Detergent
50
Winter Shutdown (Chilled Water Coil Only)
50
Antifreeze Methods of Coil Protection
50
Air Drying Method of Coil Protection
51
And Coil Must be Level for this Method.)
51
Field-Installed Coils (39LA,LD Only)
51
Coil Removal
51
Horizontal Unit Slant Coil Removal (39La Units)
51
Vertical Unit Slant Coil Removal (39Ld Units)
53
Horizontal or Vertical Unit - Dual Coil
54
Removal (39La, Ld Units - Size 25)
54
Changing Coil Hand
55
Nu-Fin Coils
55
Direct Expansion Coils
56
Chilled Water and Hot Water Coils
56
Steam Inner Distributing Tube Coils
56
Piping
56
Filters
56
Filter Sections
56

Carrier 39LA25 Installation, Start-Up And Service Instructions Manual (40 pages)

Indoor Air-Handling Units

Brand: Carrier | Category: Air Conditioner | Size: 2.1 MB

Table of Contents
1
Safety Considerations
1
Introduction
2
Unit Identification
2
Rigging
4
Preinstallation
4
Suspended Units
4
Service Clearance
4
Condensate Drain
4
External Vibration Isolators
4
Installation
8
Mixing Box
8
Condensate Drain
8
Inlet Guide Vane Actuators
10
Install Fan Motor
11
Install Sheaves on Motor and Fan Shafts
11
Install V-Belts
12
Replacement Parts
13
Water and Steam Piping Recommendations
14
Coil Freeze-Up Protection
14
Refrigerant Piping, Direct Expansion
17
(DX) Coils
17
Electric Heaters
25
Discharge Modification
28
Start-Up
29
Check List
29
Start-Up
30
Service
30
General
30
Fan Motor Replacement
30
Coil Cleaning
30
Winter Shutdown (Chilled Water Coil Only)
30
Field-Installed Coils
31
Coil Removal
31
Changing Coil Hand
35
Fan Shaft Bearing Removal
36
Filters
36
Fan and Shaft Removal
38
Lubrication
38
Metric Conversion Chart
39

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Carrier 39LA25 Installation, Start-Up And Service Instructions Manual (60 pages)

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Carrier 39LA25 Installation, Start-Up And Service Instructions Manual (40 pages)

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