Carrier 50VT-A installation instructions Large Curb

Page 5

HVAC unit

HVAC unit

base rails

basepan

 

Sealing

 

Gasket

 

Roofcurb

Anchor screw

Wood nailer*

Flashing field

 

supplied

Roofcurb*

 

Insulation

Roofing material

(field supplied)

 

field supplied

 

Cant strip

 

field supplied

 

*Provided with roofcurb

A09090

B

G C

F

H

A

D

SMALL/COMMON CURB

Dashed lines show cross support location for large basepan units.

E

A09413

50VT-- A

ROOF CURB DETAIL

B

C

G

H F A

D

LARGE CURB

E

A09415

SUPPLY

SMALL

BASE

AIR

UNIT

 

 

 

 

 

LARGE

 

 

 

 

 

 

 

RETURN

 

 

BASE

 

 

AIR

 

 

UNIT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

UNIT PLACEMENT ON

COMMON CURB

A09094

SMALL OR LARGE BASE UNIT

A09414

Fig. 4 - Roof Curb Dimensions

UNIT

CATALOG

A

B (small/common

B (large base)

C

D

E

F

G

H

IN.

base)

IN.

IN.

SIZE

NUMBER

IN. (mm)*

IN. (mm)

IN. (mm)

IN. (mm)

IN. (mm)

(mm)

IN. (mm)*

(mm)

(mm)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Small

CPRFCURB010A00

11 (279)

 

 

 

 

 

 

 

 

or

 

 

10 (254)

 

 

 

32.4 (822)

 

30.6 (778)

 

Large

CPRFCURB011A00

14 (356)

 

14 (356)

16 (406)

47.8 (1214)

 

2.7 (69)

 

46.1 (1170)

 

 

 

 

 

 

Large

CPRFCURB012A00

11 (279)

14 (356)

 

 

 

43.9 (1116)

 

42.2 (1072)

 

 

 

 

 

 

 

 

CPRFCURB013A00

14 (356)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

*Part Numbers CPRCURB010A00 and CPRCURB011A00 can be used on both small and large basepan units. The cross supports must be located based on whether the unit is a small basepan or a large basepan.

NOTES:

1. Roof curb must be set up for unit being installed.

2. Seal strip must be applied, as required, to unit being installed.

3. Roof curb is made of 16---gauge steel.

4. Attach ductwork to curb (flanges of duct rest on curb).

5. Insulated panels: 1---in. (25 mm) thick fiberglass 1 lb. density.

5

Image 5
Contents Safety Considerations Table of ContentsIntroduction Receiving and InstallationCheck Equipment Provide Unit Support50VT-A24-30 Unit Dimensions 50VT-A36-60 Unit Dimensions Large Curb Inspection Rig and Place UnitRigging/Lifting of Unit See Fig Unit Falling HazardPersonal Injury Hazard Select and Install DuctworkProvide for Condensate Disposal Install Electrical ConnectionsHigh-Voltage Connections Unit Component Damage HazardAccessory Electric Heaters Installation Special Procedures for 208-V OperationStandard Connections Control Voltage ConnectionsMinimum Airflow for Reliable Electric Heater Operation CFM Physical Data Unit 50VT-AConnection Wiring Schematics 208/230-1-60 Cont. Ladder Wiring Schematics 208/230-1-60 50VT a Cont. Ladder Wiring Schematics 208/230-3-60 Connection Wiring Diagram Cont. Ladder Wiring Diagram START-UP Start-Up AdjustmentsCheck for Refrigerant Leaks Checking Cooling and Heating Control OperationIndoor Airflow and Airflow Adjustments Checking and Adjusting Refrigerant ChargeTwo Cooling Fan Speeds Set-up Dehumidification feature used Unit Operation HazardColor Coding for Indoor Fan Motor Leads Single Speed Cooling With Higher Electric Heat SpeedContinuous Fan Operation Defrost Defrost ControlQuiet Shift Horizontal and Downflow Filter Pressure Drop Table IN. W.C Dry Coil Air Delivery Downflow DischargeElectric Heat Pressure Drop Table in. W.C Large Cabinet Electric Heat Pressure Drop Table in. W.C Small CabinetAir Filter MaintenanceIndoor Blower and Motor Personal Injury and Unit Damage HazardCooling Charging Table-Subcooling OF2 Outdoor Coil, Indoor Coil, and Condensate Drain Pan Electrical Controls and WiringOutdoor Fan Refrigerant CircuitLoss of Charge Switch Pressure SwitchesHigh-Pressure Switch Copeland Scroll Compressor Puron RefrigerantSystem Information TroubleshootingSTART-UP Checklist Puronr R-410A Quick Reference Guide Symptom Cause Remedy Troubleshooting ChartRemove and Store in Job Files TemperaturesPreliminary Information Model no III. START-UP Electrical Supply Voltage Compressor AmpsCatalog No 50VT---09SI
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50VT-A specifications

Carrier’s 50VT-A and 50EZ-A series exemplify cutting-edge advancements in heating, ventilation, and air conditioning (HVAC) technology. These products are engineered to meet diverse climate control needs in residential and commercial applications while ensuring operational efficiency and superior indoor air quality.

The Carrier 50VT-A series stands out with its variable-speed technology, which allows for precise temperature control by adjusting the cooling or heating output based on current demand. This capability not only optimizes energy consumption but also enhances comfort by eliminating temperature swings. The 50VT-A units are equipped with hybrid heat technology, which enables seamless integration with alternative heating sources, providing flexibility in energy use.

On the other hand, the Carrier 50EZ-A offers a unique solution for those seeking efficient and reliable climate control in a more compact design. This series incorporates advanced inverter technology, which continuously adjusts the compressor speed, ensuring that the system operates at the utmost efficiency regardless of environmental conditions. The result is significant energy savings and quieter operation compared to traditional units.

Both series feature intelligent refrigerant management, utilizing R-410A refrigerant, which is environmentally friendly and designed to reduce greenhouse gas emissions. The systems are engineered with robust insulation and sound-dampening materials, minimizing noise levels for a peaceful indoor environment.

In addition to their impressive technical specifications, the Carrier 50VT-A and 50EZ-A units come equipped with smart controls, allowing users to monitor and adjust settings remotely through mobile applications. This connectivity feature empowers homeowners and businesses to manage energy consumption, set schedules, and receive maintenance alerts, ensuring optimal performance at all times.

Durability is an important characteristic of both series, as they are designed to withstand various environmental conditions. With corrosion-resistant coatings and high-grade materials, these units promise longevity and reliable performance over their operational lifespan.

In summary, Carrier’s 50VT-A and 50EZ-A series offer an innovative blend of efficiency, advanced technology, and user-friendly features. Whether for residential or commercial applications, these systems provide exceptional comfort, lower energy costs, and an environmentally conscious choice for modern HVAC solutions.