Carrier P3, P5030-100, 48P2, P4 installation instructions Installation Instructions

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WEATHERMASTER® 48P2,P3,P4,P5030-100 Single Package Gas Heating and Electric Cooling Units

with Direct Spark Ignition and COMFORTLINK™ Controls

Installation Instructions

CONTENTS

Page

GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

SAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . . . .1,2

INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-68

Step 1 — Jobsite Survey . . . . . . . . . . . . . . . . . . . . . . . . . 2

Step 2 — Place Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Step 3 — Roof Mount Unit. . . . . . . . . . . . . . . . . . . . . . . . 2

Step 4 — Slab Mount Unit . . . . . . . . . . . . . . . . . . . . . . . . 2

Step 5 — Install Curb Gasketing. . . . . . . . . . . . . . . . . . 2

Step 6 — Install Field-Fabricated Ductwork . . . . . . 2

Step 7 — Rig Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Step 8 — Connect Condensate Drain. . . . . . . . . . . . 16

Step 9 — Install Outdoor Hoods (Units without Optional High-Capacity Power Exhaust). . . . . . 32

•UNIT SIZES 030-050

•UNIT SIZES 055-100

Step 10 — Install Economizer Hoods (Units with Optional High-Capacity Power Exhaust). . . . . . 33

•INSTALL SMALL HOODS

•INSTALL LARGE HOODS

Step 11 — Route Field Wiring . . . . . . . . . . . . . . . . . . . 35

•UNIT SIZES 030-060

•UNIT SIZES 070-100

Step 12 — Make Field Electrical Connections . . . 35

• POWER WIRING

Step 13 — Connect Air Pressure Tubing . . . . . . . . 58

•VARIABLE FRQUENCY DRIVE

•MODULATING POWER EXHAUST

•RETURN FAN POWER EXHAUST

Step 14 — Remove Supply-Fan Shipping

Brackets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60

Step 15 — Remove Optional Return-Fan

Shipping Brackets . . . . . . . . . . . . . . . . . . . . . . . . . . . 60

Step 16 — Connect Gas Piping. . . . . . . . . . . . . . . . . . 61

Step 17 — Configure Optional Staged Gas

Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61

Step 18 — Install Flue/Inlet Hoods and Baffles . . 62

Step 19 — Install Supply-Air Thermistors (Staged and Modulating Gas Units Only) . . . . . 62

Step 20 — Install Optional Motormaster® V Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66

Step 21 — Install Unit Accessories . . . . . . . . . . . . . . 68

CONTROLS INSTALLATION . . . . . . . . . . . . . . . . . . 68-76 Constant Volume Units. . . . . . . . . . . . . . . . . . . . . . . . . . 68

• CONTROL WIRING

Variable Air Volume (VAV) Units . . . . . . . . . . . . . . . . . 68

Optional and Accessory Control Wiring . . . . . . . . . 68

Carrier Comfort Network® (CCN) Interface. . . . . . . 73

Optional UPC Open Installation . . . . . . . . . . . . . . . . . 74

Smoke Control Modes. . . . . . . . . . . . . . . . . . . . . . . . . . . 74

GENERAL

This installation instruction contains basic unit installation information, including installation of thermostats and remote temperature sensors.

For additional information and service instructions, refer to the Controls and Troubleshooting literature.

A factory-installed optional integral economizer and high- capacity power exhaust is available on size 075-100 units.

A factory-installed optional return fan is available on size

075-100 units.

The staged gas control (SGC) option adds the capability to control the rooftop unit’s gas heating system to a specified supply-air temperature set point for purposes of tempering a cool mixed-air condition.

SAFETY CONSIDERATIONS

Installation and servicing of air-conditioning equipment can be hazardous due to system pressure and electrical compo- nents. Only trained and qualified service personnel should install, repair, or service air-conditioning equipment.

Untrained personnel can perform basic maintenance func- tions of cleaning coils and filters and replacing filters. All other operations should be performed by trained service per- sonnel. When working on air-conditioning equipment, observe precautions in the literature, tags and labels attached to the unit, and other safety precautions that may apply.

Follow all safety codes, including ANSI (American Nation- al Standards Institute) Z223.1. Wear safety glasses and work gloves. Use quenching cloth for unbrazing operations. Have fire extinguisher available for all brazing operations.

WARNING

Before performing service or maintenance operations on unit, turn off main power switch to unit. Electrical shock could cause personal injury.

FOR YOUR SAFETY

WHAT TO DO IF YOU SMELL GAS

Do not try to light any appliance. Do not touch any electri- cal switch; do not use any phone in your building. Immedi- ately call your gas supplier from a neighbor’s phone. Follow the gas supplier’s instructions. If you cannot reach your gas supplier, call the fire department.

FOR YOUR SAFETY

Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance.

WARNING

Improper installation, adjustment, alteration, service, or maintenance can cause injury or property damage. Refer to this manual. For assistance or additional information, con- sult a qualified installer, service agency, or the gas supplier.

Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.

Catalog No. 04-53480079-01

Printed in U.S.A.

Form 48P-4SI

Pg 1

11-10

Replaces: 48P-3SI

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Contents Installation Instructions Installation Base Unit Physical Data 48P2,P3,P4,P5030-0505810 6310 6025 6525 Physical Data 48P2,P3,P4,P5055-070 Optional Power ExhaustPhysical Data 48P2,P3,P4,P5075-100 Optional Humidi-MiZerCoil Data Optional Return Fan Physical Data 48P075-100 OnlyOption or Accessory 48/50P Unit Size Operating Weights of Options and Accessories lbOptional High-Capacity Power Exhaust Fan Drive Data Power Exhaust Fan Drive DataOptional Return Fan Drive Data Roof Curb Sizes Roof Curb Sizes 055 Roof Curb Sizes Condenser Section Roof Curb Sizes 070 Condenser Section Roof Curb Sizes 090 Gasket Location on Roof Curb Size 070-100 Units Page ALL Panels Must be in Place When Rigging ALL Panels Must be in Place When Rigging Size Total Optional HIGH-CAPACITY Power ExhaustTotal 48P2,P3,P4,P5 Units with SizeTotal With Optional Return FAN A48-8613 A48-8614 A48-8615 A48-8616 A48-8617 A48-8618 A48-8619 A48-8620 A48-8621 A48-8622 Drain Piping Details Location Curb MountDrain Pipe Details Secondary Drain Seal Plate Location Slab Mount 25% Outdoor-Air Hood Location Large Economizer Hood Assembly Route Field Wiring Disconnect Location Size 030 and 035 Units Field WireFAN Motor RLA LRA FLA Fuse or Electrical Data, 48P2,P3,P4,P5030 UnitsMCA Hacr MCA Electrical Data, 48P2,P3,P4,P5035 Units RLA LRA FAN MotorFLA MCA Fuse or Hacr BrkrFAN Motor RLA LRA FLA Electrical Data, 48P2,P3,P4,P5040 UnitsFAN Motor RLA LRA FLA Fuse or Electrical Data, 48P2,P3,P4,P5050 Units Electrical Data, 48P2,P3,P4,P5050 Units Electrical Data, 48P2,P3,P4,P5055 Units Electrical Data, 48P2,P3,P4,P5060 Units Electrical Data, 48P2,P3,P4,P5070 Units FAN Motor Exhaust Power Supply Voltage Voltage Compressor Condenser Evaporator Power RangeElectrical Data 48P2,P3,P4,P5075 Standard Units FLA MCAVoltage Compressor Condenser Evaporator Power Range Fuse or Hacr Electrical Data 48P2,P3,P4,P5090 Standard Units FAN Motor RLA LRA FLA FAN Motor RLA LRA FLA Electrical Data 48P2,P3,P4,P5100 Standard Units FAN Motor RLA LRA FLA FAN Motor RLA LRA FLA Auxiliary Control Box Location Sizes Sizes Sizes 055-100 without Optional Return Fan Auxiliary Control Box DetailsShipping Brackets Size 030-050 Units Shipping Brackets Sizes Gas Piping Details Low Heat, Horizontal Supply Units Flue/Inlet Hood Locations, SizesHorizontal Supply Units Flue Hood, Inlet Hood, and Baffle UsageFlue Deflector Baffle Curve-Type Inlet Hood Assembly 30-in Wind Baffle Details Controls Installation T55 or T56 Wiring TB201 RED BRN TB201 CCN Connection Approved Shielded Cables CCN ConnectionsMS/TP Wiring Recommendations Optional UPC Open InstallationUPC Open Controller Open System Wiring Specifications and Recommended VendorsSmoke Control Modes Open System Network Wiring
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P4, 48P2, P3, P5030-100 specifications

Carrier, a leader in the HVAC industry, offers a range of advanced air conditioning systems designed to provide optimal indoor climate control. Among their innovative products are the Carrier P4, P5030-100, P3, and 48P2 models, each delivering unique features tailored to diverse applications.

The Carrier P4 series is engineered for versatility and efficiency. This compact unit integrates advanced inverter technology, allowing for precise temperature control and reduced energy consumption. The P4 employs a variable speed compressor, which adjusts according to cooling needs, ensuring both comfort and energy savings. Additionally, it features a user-friendly interface with smart connectivity options, enabling remote access and management via smartphones.

Next in line, the Carrier P5030-100 model is designed with commercial applications in mind. It is equipped with a robust scroll compressor and advanced heat exchange technology that enhances its performance and efficiency. The P5030-100 operates quietly, making it ideal for office environments where noise reduction is a priority. Furthermore, its eco-friendly refrigerant aligns with today’s environmental standards, further making it a sustainable choice for businesses.

The Carrier P3 model excels in energy efficiency, boasting top SEER ratings while maintaining powerful cooling and heating capabilities. This model incorporates advanced refrigerant management, which minimizes environmental impact while ensuring optimal performance. Its compact design makes it an excellent choice for residential installations, providing homeowners with an unobtrusive yet effective climate control solution.

Finally, the Carrier 48P2 unit stands out with its robust design tailored for large-scale applications. It features a high-capacity scroll compressor and enhanced airflow capabilities, ensuring consistent and reliable performance across various conditions. The 48P2 comes equipped with a comprehensive control system that allows for integration with building management systems, facilitating easy monitoring and control of multiple units. This model is ideal for commercial buildings that demand high performance and energy efficiency.

Overall, Carrier's P4, P5030-100, P3, and 48P2 models represent the forefront of HVAC technology, combining efficiency, reliability, and advanced features to meet the varying demands of both residential and commercial environments. With a commitment to innovation and sustainability, Carrier continues to provide solutions that enhance indoor comfort while reducing environmental impact.
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