Carrier 48NHT036 Manuals

Manuals and User Guides for Carrier 48NHT036. We have 1 Carrier 48NHT036 manual available for free PDF download: Installation, Start-Up And Service Instructions Manual

Carrier 48NHT036 Installation, Start-Up And Service Instructions Manual

Carrier 48NHT036 Installation, Start-Up And Service Instructions Manual (28 pages)

Packaged Heating/Cooling units

Brand: Carrier | Category: Air Conditioner | Size: 2 MB

Table of Contents

Contents
1
Safety Considerations
1
Receiving and Installation
1
Check Equipment
1
Physical Data
4
Provide Unit Support
4
Provide Clearances
4
Rig and Place Unit
4
Connect Condensate Drain
5
Install Venting
6
Install Gas Piping
6
Vent Cap Assembly
6
Maximum Gas Glow Capacity
6
Install Duct Connections
7
Sediment Trap
7
Location of Coil Area Not to be Drilled
7
Install Electrical Connections
8
High-Voltage Connections
8
Electrical Data
9
Pre Start-Up
10
Special Procedures for 208-V Operation
10
Control Voltage Connections
10
Transformer Circuit Protection
10
Start-Up
11
Check for Refrigerant
11
Start-Up Heating Section and Make Adjustments
11
Check Gas Input
11
Rated Gas Inputs
12
Check Burner Flame
12
Blower Heat-Relay Operation
12
Airflow and Temperature Rise
12
Safety Check of Limit Control
13
Heating Sequence of Operation
13
Blower Auxiliary Limit Switch
13
Rollout Auxiliary Limit Switch
13
Typical Single-Phase Wiring Diagram
14
Typical 3-Phase Wiring Diagram
15
Start-Up Cooling Section and Make Adjustments
16
Checking Cooling Control Operation
16
Checking and Adjusting Refrigerant Charge
16
Air Delivery at Indicated Temperature Rise and Rated Heating Input
17
Superheat Charging Table
17
Required Suction
17
Dry Coil Air Delivery
18
Unit Controls
19
Cooling Sequence of Operation
19
High-Pressure Relief Valve
19
Compressor Overload
19
Maintenance
20
Wet Coil Pressure Drop
20
Heating Troubleshooting Chart
21
Cooling Troubleshooting Chart
22
Air Filter
23
Unit Top Removal
23
Evaporator Blower and Motor
23
Heating Section
24
Pilot
24
Condenser Coil, Evaporator Coil and Condensate Drain Pan
24
Position of Electrode to Pilot
24
Condenser Fan
25
Electrical Controls and Wiring
25
Gas Input
25
Evaporator Airflow
25
Piston Sizes
26

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