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48HC24
Carrier 48HC24 Manuals
Manuals and User Guides for Carrier 48HC24. We have
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Carrier 48HC24 manual available for free PDF download: Installation Instructions Manual
Carrier 48HC24 Installation Instructions Manual (52 pages)
Single Package Rooftop Gas Heating/Electric Cooling Unit with Puron (R-410A) Refrigerant
Brand:
Carrier
| Category:
Gas Heater
| Size: 8.08 MB
Table of Contents
Table of Contents
1
The Installation
2
Safety Considerations
2
Installation
9
Jobsite Survey
9
Step 1 - - Plan for Unit Location
9
Roof Mount
9
Step 2 - Plan for Sequence of Unit Installation
10
Curb- - Mount Installation
10
Pad- - Mount Installation
10
Frame- - Mount Installation
10
Step 3 - Inspect Unit
10
Step 4 - Provide Unit Support
10
Roof Curb Mount
10
Slab Mount (Horizontal Units Only)
10
Alternate Unit Support (in Lieu of Curb or Slab Mount)
10
Step 5 - Field Fabricate Ductwork
14
Step 6 - Rig and Place Unit
14
Positioning on Curb
15
Step 7 - Horizontal Duct Connection
15
Step 8 - Install Outside Air Hood - Factory Option
15
Step 9 - Install Flue Hood and Combustion Air Hood
16
Step 10 - Install Gas Piping
16
Gas Supply Line
16
Factory- - Option Thru- - Base Connections
18
Step 11 - Install External Condensate Trap and Line
19
Step 12 - Make Electrical Connections
19
Field Power Supply
19
Units Without Factory- - Installed Disconnect
20
Units with Factory- - Installed Disconnect
20
All Units
20
Convenience Outlets
20
Factory- - Option Thru- - Base Connections
22
Units Without Thru- - Base Connections
22
Field Control Wiring
22
Thermostat
22
Unit Without Thru- - Base Conversion Kit
22
Heat Anticipator Settings
23
Transformer Connection for 208- - V Power Supply
23
Humidi- - Mizer R Control Connections
24
Humidi- - Mizer - Space RH Controller
24
Premierlinkt (Factory Option)
26
Supply Air Temperature (SAT) Sensor
29
Outdoor Air Temperature (OAT) Sensor
29
Economi$Er2
29
Field Connections
29
Space Sensors
31
Connect Thermostat
31
Configure the Unit for Thermostat Mode
31
Economizer Controls
32
Indoor Air Quality (CO 2 ) Sensor
32
Outdoor Air Quality Sensor
32
Space Relative Humidity Sensor or Humidistat Connections
33
Smoke Detector/Fire Shutdown (FSD)
34
Filter Status Switch
34
Supply Fan Status Switch
34
Remote Occupied Switch
34
Power Exhaust (Output)
34
CCN Communication Bus
35
RTU Open Control System
36
Supply Air Temperature (SAT) Sensor
39
Outdoor Air Temperature (OAT) Sensor
39
Economi$Er2
39
Field Connections
39
Space Temperature (SPT) Sensors
40
Indoor Air Quality (CO 2 ) Sensor
40
Outdoor Air Quality Sensor
41
Space Relative Humidity Sensor or Humidistat
41
Smoke Detector/Fire Shutdown (FSD)
42
Connecting Discrete Inputs
42
Communication Wiring - - Protocols
43
General
43
Local Access
44
RTU Open Troubleshooting
44
Outdoor Air Enthalpy Control
45
Differential Enthalpy Control
45
Smoke Detectors
46
Return Air Sensor Tube Installation
46
Smoke Detector Test Magnet
47
Additional Application Data
47
Step 13 - Adjust Factory- -Installed Options
50
Step 14 - Install Accessories
50
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