Carrier FHS240 Packaged Air-Handling Unit Manuals

Manuals and User Guides for Carrier FHS240 Packaged Air-Handling Unit. We have 2 Carrier FHS240 Packaged Air-Handling Unit manuals available for free PDF download: Installation, Start-Up And Service Instructions Manual

Carrier FHS240 Installation, Start-Up And Service Instructions Manual (52 pages)

Packaged Air-Handling Units with R-410A Refrigerant 60 Hz

Brand: Carrier | Category: Air Handlers | Size: 4.48 MB

Table of Contents
1
Safety Considerations
1
Pre-Installation
2
Moving and Storage
2
Rigging
2
Installation
2
General
2
Uncrating
2
Accessories
2
Unit Positioning
12
Unit Isolation
14
Refrigerant Piping Access
14
Refrigerant Piping
14
Condensate Drain
17
Fan Motors and Drives
17
Power Supply and Wiring
17
Three Stage Operation
19
Freeze Protection
19
Variable Frequency Drive
21
Connecting Ductwork
25
Discharge Connections
25
Return Connections
25
Outdoor-Air Inlet Connections
25
Return-Air Filters
25
Start-Up
27
Fas/Fhs Only
27
Adjusting TXV for Superheat (FAS/FHS Only)
27
Compressor Rotation
27
Indoor Fan Motor
27
Cooling with 2-Speed Indoor Fan Motor
27
System
27
First Stage (Y1)
27
Second Stage (Y2)
27
Third Stage (Y3) - 3-Stage Systems Only
27
Operating Fan for Test and Balance
28
Fan Speed Set-Up
28
Units with Electro-Mechanical Controls
28
Maintenance
29
Quarterly Inspection
29
(And 30 Days after Initial Start)
29
Indoor Section
29
Seasonal Maintenance
29
Air Conditioning
29
Service
30
Panels
30
Fan Motor Lubrication
30
Fan Shaft Bearings
30
Centering Fan Wheel
30
Fan Shaft Position Adjustment
30
Individual Fan Wheel Adjustment
30
Fan Belts
30
Fan Rotation
31
Fan Pulley Alignment
31
Pulley and Drive Adjustment
32
Variable Frequency Drive
41
Indoor Fan Motor
41
Vfd Fuses
41
Fan Fault Detection
41
Vfd Alarms and Faults Troubleshooting
41
Alarms
42
Clear the Alarm Led
42
Faults
42
Vfd Maintenance
45
Heat Sink Cleaning
45
Bypass the VFD
46
Condensate Drains
47
Return-Air Filters
47
Coil Removal
47
Cleaning Cooling Coil
47
Cleaning Insulation
47
Replacing Filters
47
Appendix A - Vfd Parameters
48
Start-Up Checklist
51

Carrier FHS240 Installation, Start-Up And Service Instructions Manual (44 pages)

Packaged Air-Handling Units with R-410A Refrigerant 60 Hz

Brand: Carrier | Category: Air Handlers | Size: 3.87 MB

Table of Contents
1
Safety Considerations
1
Pre-Installation
2
Moving and Storage
2
Rigging
2
Installation
2
General
2
Uncrating
2
Accessories
2
Rated Indoor Airflow (Cfm)
10
Unit Positioning
10
Unit Isolation
10
Refrigerant Piping
11
Refrigerant Piping Access
11
Condensate Drain
14
Fan Motors and Drives
15
Power Supply and Wiring
15
Three Stage Operation
16
Freeze Protection
16
Variable Frequency Drive
18
Connecting Ductwork
20
Discharge Connections
20
Return Connections
20
Outdoor-Air Inlet Connections
20
Return-Air Filters
21
Start-Up
22
Fas/Fhs Only
22
Adjusting TXV for Superheat (FAS/FHS Only)
22
Compressor Rotation
22
Indoor Fan Motor
22
Cooling with 2-Speed Indoor Fan Motor
22
System
22
First Stage (Y1)
22
Second Stage (Y2)
22
Third Stage (Y3) - 3-Stage Systems Only
22
Operating Fan for Test and Balance
23
Fan Speed Set up
23
Units with Electro-Mechanical Controls
23
Maintenance
24
Quarterly Inspection
24
(And 30 Days after Initial Start)
24
Indoor Section
24
Seasonal Maintenance
24
Air Conditioning
24
Service
25
Panels
25
Fan Motor Lubrication
25
Fan Shaft Bearings
25
Centering Fan Wheel
25
Fan Shaft Position Adjustment
25
Individual Fan Wheel Adjustment
25
Fan Belts
25
Fan Rotation
26
Fan Pulley Alignment
26
Pulley and Drive Adjustment
27
Variable Frequency Drive
32
Indoor Fan Motor
32
Vfd Fuses
32
Fan Fault Detection
32
Vfd Alarms and Faults Troubleshooting
32
Alarms
33
Clear the Alarm Led
33
Faults
33
Vfd Maintenance
35
Heat Sink Cleaning
35
Bypass the VFD
36
Condensate Drains
36
Return-Air Filters
36
Coil Removal
36
Cleaning Cooling Coil
36
Cleaning Insulation
36
Replacing Filters
37
Appendix A - Vfd Parameters
38
Start-Up Checklist
43

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