Carrier WeatherMaster 50HCQ - Multi- -Protocol Option Diagram

Carrier WeatherMaster 50HCQ

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83

TYPICAL WIRING DIAGRAMS (cont.)

RTU Open

C101030

Fig. 31 -- Multi--Protocol Option Diagram

50HCQ

Table of Contents

Product Data1
Table of Contents2
Easy to Install2
Easy to Maintain2
Easy to Use2
Features and Benefits3
Model Number Nomenclature4
- Factory Options And/Or Accessories5
- Factory Installed Options and Field5
- Economizer (Dry Bulb or Enthalpy)6
- Co2 Sensor6
- Smoke Detectors6
- Louvered Hail Guards6
- Hinged Access Panels7
- Alternate Motors and Drives7
- Electric Heaters7
- Motormaster Head Pressure Controller7
- Ahri Cooling Rating Tables8
- Cooling Mode8
- Heating Mode8
Ahri Capacity Rating8
- Minimum - Maximum Airflows Electric Heat9
- Minimum Electric Heat CFM Exceptions9
- Outdoor Sound9
Sound Performance9
Physical Data10
Electric Heat- - Electrical Data12
- Dimensions 50HCQ20
- Horizontal Connections / Economizer20
- Vertical Connections / Economizer20
Weights & Dimensions20
- Service Clearance21
- Curb Dimensions 50HCQ22
- Dimensions 50HCQ 07- -0824
- Option / Accessory Weights31
- Application / Selection Data32
- Min Operating Ambient Temp (Cooling)32
- Max Operating Ambient Temp (Cooling)32
- Min and Max Airflow (Cooling Mode)32
- Cooling Capacities33
- Stage Cooling33
Cooling Tables33
Heating Capacities40
- General Fan Performance Notes47
- Economizer47
Static Pressure Adders47
- Ton Horizontal Unit Direct Drive48
- Ton Vertical Unit Direct Drive48
Fan Performance48
- 4 Ton Horizontal Unit Direct Drive49
- 4 Ton Vertical Unit Direct Drive49
- 5 Ton Horizontal Unit Direct Drive50
- 5 Ton Vertical Unit Direct Drive50
- 3 Ton Horizontal Supply51
- Available External Static Pressure (In. Wg)51
- 3 Ton Vertical Supply51
- 4 Ton Horizontal Supply52
- 4 Ton Vertical Supply52
- 5 Ton Horizontal Supply53
- 5 Ton Vertical Supply53
- 6 Ton Horizontal Supply54
- 6 Ton Vertical Supply54
- 7.5 Ton Vertical Supply55
- 7.5 Ton Horizontal Supply55
- 8.5 Ton Horizontal Supply56
- 8.5 Vertical Supply56
- 10 Ton Horizontal Supply57
- 10 Vertical Supply57
- Pulley Adjustment58
- Return Air Pressure Drop59
- Horizontal Power Exhaust Performance59
- Barometric Relief Flow Capacity59
- Economizer, Barometric Relief and Pe Performance59
Economizer, Barometric Relief60
- Electrical Information61
- Mca/Mocp Determination Without C.o. or Unpwrd C.o.64
- Mca/Mocp Determination with Pwrd C.o.72
- Stage Cooling Typical Power Diagram80
Typical Wiring Diagrams80
- Premierlink Option Diagram82
- Multi- -Protocol Option Diagram83
- Cooling, Unit Without Economizer86
- Heating, Unit Without Economizer86
Sequence of Operation86
- Heating, Unit with Economi$Er87
- Defrost88
- Emergency Heat88
- Continuous Air Circulation88
- Automatic Changeover88
- Rooftop Packaged Heat Pump89
- HVAC Guide Specifications89
Guide Specifications89
- Multi- - Protocol, Direct Digital Controller90
- Electric and Electronic Control System for HVAC90
- Decentralized, Rooftop Units90
- Sequence of Operations for HVAC Controls91
- Panel Air Filters91
- Self-Contained Air Conditioners91
- Delivery, Storage, and Handling92
- Project Conditions92
- Operating Characteristics92
- Electrical Requirements92
- Coils93
- Refrigerant Components93
- Compressors94
- Filter Section94
- Evaporator Fan and Motor94
- Condenser Fans and Motors94
- Two-Position Motorized Damper95
- Manual Damper95
- Head Pressure Control Package95
- Condenser Coil Hail Guard Assembly95
- Convenience Outlet96
- Thru-The-Base Connectors96
- Propeller Power Exhaust96
- Roof Curbs96
- Time Guard97

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