User Manuals: Carrier 50HCQ12 Packaged Heat Pump

Manuals and User Guides for Carrier 50HCQ12 Packaged Heat Pump. We have 2 Carrier 50HCQ12 Packaged Heat Pump manuals available for free PDF download: Installation Instructions Manual

Carrier 50HCQ12 Installation Instructions Manual (40 pages)

Single Package Rooftop with Puron (R-410A) Refrigerant Size 12

Brand: Carrier | Category: Heat Pump | Size: 8 MB

Table of Contents
1
The Installation

2
Safety Considerations

2
Installation

4
Electric Heaters

16
- Single Point Boxes
  17
  - Heater Low- - Voltage Control Connections
    17
- Outdoor Air Enthalpy Control
  18
  - Differential Enthalpy Control
    18
  - Return Air Enthalpy Sensor
    18
Premierlinkt (Factory Option)

19
- Supply Air Temperature (SAT) Sensor
  19
- Outdoor Air Temperature (OAT) Sensor
  21
- Economi$Er2
  21
- Field Connections
  21
  - Space Sensors
    21
  - Connect Thermostat
    21
  - Configure the Unit for Thermostat Mode
    24
- Economizer Controls
  24
  - Indoor Air Quality (CO 2 Sensor)
    24
  - Outdoor Air Quality Sensor
    24
  - Smoke Detector/Fire Shutdown (FSD)
    25
  - Filter Status Switch
    25
  - Supply Fan Status Switch
    25
  - Remote Occupied Switch
    25
  - Space Relative Humidity Sensor
    26
  - Power Exhaust (Output)
    26
  - CCN Communication Bus
    26
RTU Open Control System

27
- Supply Air Temperature (SAT) Sensor
  29
- Outdoor Air Temperature (OAT) Sensor
  29
- Economi$Er2
  29
- Field Connections
  30
- Communication Wiring - - Protocols
  32
  - General
    32
  - Local Access
    32
  - RTU Open Troubleshooting
    32
Smoke Detectors

34
- System
  34
- Controller
  34
- Sensor
  34
- Smoke Detector Locations
  35
  - Supply Air
    35
  - Return Air Without Economizer
    35
  - Return Air with Economizer
    35
Step 11 - Adjust Factory- -Installed Options

39
Step 12 - Install Accessories

40

Carrier 50HCQ12 Installation Instructions Manual (48 pages)

Single Package Rooftop Heat Pump with Puron R-410A Refrigerant

Brand: Carrier | Category: Heat Pump | Size: 10 MB

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User Manuals: Carrier 50HCQ12 Packaged Heat Pump

Carrier 50HCQ12 Installation Instructions Manual (40 pages)

Table of Contents

The Installation

Safety Considerations

Installation

Electric Heaters

Premierlinkt (Factory Option)

RTU Open Control System

Smoke Detectors

Step 11 - Adjust Factory- -Installed Options

Step 12 - Install Accessories

Carrier 50HCQ12 Installation Instructions Manual (48 pages)

Table of Contents

Safety Considerations

Model Number Nomenclature and Dimensions

Rated Indoor Airflow

Refrigeration System Components

Reversing Valve and Check Valve Position

Troubleshooting Refrigerant Pressure Problems and Check Valves

Refrigerant System Pressure Access Ports

Installation

Jobsite Survey

Step 1 - Plan for Unit Location

Step 2 - Plan for Sequence of Unit Installation

Step 3 - Inspect Unit

Step 4 - Provide Unit Support

Step 5 - Field Fabricate Ductwork

Step 6 - Rig and Place Unit

Step 7 - Convert to Horizontal and Connect

Ductwork (When Required)

Step 8 - Install Outside Air Hood

Step 9 - Install External Condensate Trap and Line

Step 10 - Make Electrical Connections

Step 11 - Adjust Factory-Installed Options

Step 12 - Install Accessories

Step 13 - Check Belt Tension

Pre-Start and Start-Up

Start-Up Checklist for 50Hcq12 Single Package Rooftop Heat Pump (Remove and Use for Job File)

Start-Up Checklist

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