Lennox International Inc 2SCU13 warranty Single Phase Wiring Diagram P/N

Page 16

OUTDOOR

 

 

 

 

DUAL

 

 

 

 

 

 

FAN

 

 

 

 

 

A4

 

 

 

 

 

 

 

 

 

CAPACITOR

 

 

 

 

 

 

 

 

 

 

TIMED OFF

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PURPLE

 

F

C

H

CONTROL

 

TO 24 VAC

 

 

 

BLACK

 

(IF USED)

 

 

 

 

 

 

 

 

POWER SOURCE

 

 

 

 

 

 

 

 

 

 

 

 

ORANGE

 

 

RED

 

2

3

1

 

20 VA MINIMUM

 

 

 

 

 

 

NEC CLASS 2

 

RED

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

YELLOW

 

 

 

 

 

 

 

 

C

Y1

 

 

 

 

 

 

 

 

 

 

 

 

R

S

C

BLACK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

COMPRESSOR

COMPRESSOR

 

 

 

 

 

 

 

 

 

 

 

 

CONTACTOR

 

 

 

 

 

 

 

 

 

CRANKCASE HEATER

 

 

 

 

 

 

 

 

 

 

(IF USED)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

L2

 

 

 

GROUND

 

 

 

 

 

 

 

L1

 

 

 

 

 

 

 

 

208-230/60/1

 

 

 

LUG

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

GROUND

 

L1

 

 

 

BLACK

C

S

R

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

 

 

K1-1

 

 

 

B1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

208-230/60/1

 

 

 

YELLOW

 

 

 

 

S4 HIGH

 

S24 LOSS

 

 

 

 

 

 

 

 

PRESSURE

 

OF CHARGE

 

 

 

 

 

 

 

 

 

SWITCH

 

SWITCH

L2

 

 

 

RED

 

 

 

 

(IF USED)

 

(IF USED)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ORANGE

 

 

 

 

A4

 

 

 

 

 

 

BLACK

 

 

 

S4

S24

 

 

 

 

RED

 

 

 

2

 

HR1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

K1

 

 

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

EQUIPMENT

 

H

C

F

 

B4

 

 

 

 

 

 

GROUND

 

 

 

C12

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PURPLE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C

Y1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TO 24 VAC

 

 

POWER SOURCE

1

FOR USE WITH COPPER CONDUCTORS ONLY. REFER TO UNIT RATING

20 VA MINIMUM

 

PLATE FOR MINIMUM CIRCUIT AMPACITY AND MAXIMUM OVERCURRENT

NEC CLASS 2

PROTECTION SIZE.

WARNING--

ELECTRIC SHOCK HAZARD, CAN CAUSE INJURY OR DEATH. UNIT MUST BE GROUNDED IN ACCORDANCE WITH NATIONAL AND LOCAL CODES.

LINE VOLTAGE FACTORY INSTALLED

LINE VOLTAGE FIELD INSTALLED

24 VOLT FACTORY INSTALLED

CLASS II VOLTAGE FIELD INSTALLED

DESCRIPTION

KEYCOMPONENT

A4 CONTROL - TIMED OFF

B1COMPRESSOR

B4 MOTOR - OUTDOOR FAN

C12 CAPACITOR - DUAL

HR1 HEATER - COMPRESSOR K1-1 CONTACTOR - COMPRESSOR

S4 SWITCH - HIGH PRESSURE

S24 SWITCH - LOSS OF CHARGE

Single Phase Wiring Diagram P/N 48352-001

Figure 12

Page 16

# 48283B006

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Image 16
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Contents Installation and Maintenance Instructions Table of ContentsInstallation Installation ClearancesTorque Table Slab MountingElectrical Wiring Slab MountingWind Barrier Construction Thermostat DesignationsOutside Unit Placement Installation Installing Refrigerant LineBrazing Connection Procedure Refrigerant Line Set DiametersRefrigerant Line Sets Installing Horizontal Runs Refrigerant Line Sets Transition from Vertical to HorizontalFixed Orifice Systems Refrigerant Metering DeviceExpansion Valve Systems Metering Device Installation To Access the Schrader PortTo Open Liquid or Suction Line Service Valve Fixed Orifice DataBall Type Service Valve Valve Open To Close Liquid or Suction Line Service ValveSuction Line Ball Type Service Valve Leak TestingEvacuation START-UP Refrigerant Charge AdjustmentRefrigerant Charging Subcooling Values for Fixed Orifice or TXV Systems Charge Using Weigh-In Method Fixed Orifice/TXV SystemsOutdoor Liquid Subcooling ±1F Temp Check Charge Using Normal Operating Pressures Approach Values for TXV SystemsOutdoor Ambient Temp Superheat ModelNormal Operating Pressures Fixed Orifice RFCMaintenance OperationIndoor Coil Indoor UnitStart-Up and Performance Checklist Single Phase Wiring Diagram P/N Three Phase Wiring Diagram P/N Limited Warranty

2SCU13 specifications

Lennox International Inc. is renowned for its innovation in heating, ventilation, air conditioning, and refrigeration (HVACR) systems. One of its standout products is the 2SCU13 model, which embodies the company's commitment to energy efficiency and customer comfort. This air conditioning unit is particularly appreciated in both residential and light commercial applications for its robust performance and advanced features.

The 2SCU13 is designed with a focus on energy efficiency, boasting a SEER rating of up to 14. This not only eases the burden on utility bills but also aligns with environmentally conscious practices by reducing carbon footprints. The unit’s efficiency is further enhanced by its scroll compressor, which is known for reliable performance and quiet operation.

One of the key characteristics of the 2SCU13 is its two-stage cooling system. This technology allows the unit to operate at two different cooling capacities, adapting to varying temperature conditions. By running at a lower capacity during mild weather, the 2SCU13 minimizes energy consumption, while still ensuring optimal comfort during hotter days by ramping up to full capacity when needed. This adaptability also contributes to a more consistent temperature throughout the space being cooled.

Another notable feature is the unit's humidity control capabilities. The two-stage operation also aids in managing indoor humidity levels, making it an excellent choice for areas with high humidity. Proper humidity control not only enhances comfort but also plays a crucial role in improving indoor air quality.

The design of the 2SCU13 ensures durability and longevity. It comes equipped with a rugged cabinet that withstands the elements, along with a baked-on powder coat finish that resists rust and corrosion. The unit also includes a protective grille that serves to shield the coil from debris, further enhancing its lifespan.

With easy installation and maintenance in mind, Lennox has incorporated service-friendly features into the design of the 2SCU13. The unit includes a convenient access panel that simplifies routine checks and repairs, making it easier for homeowners and technicians alike.

Overall, Lennox International Inc. 2SCU13 represents a harmonization of efficiency, comfort, and durability, making it a noteworthy choice among HVAC systems. Its advanced technology and design features ensure that it meets the evolving needs of consumers while providing reliable performance for years to come.
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