Reznor DF6SF-X24K080CB User Manual

TECHNICAL
SPECIFICATIONS

DF6SF Series Rev B

Two-Stage Heat/Two-Stage Cool with
Variable Speed Blower
iHybrid™ Dual Fuel
Package Units

DF6SF 15 SEER, 81% AFUE, 8.0 HSPF
2 Ton thru 5 Ton Units

These dual fuel package units are high efficiency self
contained heating and cooling systems that can be installed
on the roof or on a slab. The convertible unit design makes
installations simple in all applications. Units are ETL and
ETLc listed.

FEATURES and BENEFITS

• CopelandUltra-TechScrollCompressor: State of the art two stage
compressor is standard equipment.

• QuietOperationandLowVibration: Swept-wing fan blade combined
with custom venturi condenser fan.

• CompressorSoundBlanket:Is standard equipment.

• Wire Guard Coated with Earth Friendly Epoxy and Plastic Mesh

HailGuard: A guard that will never rust and protects the units coil
from being damaged.

• Anteater® Coil Technology: For increased resistance against
formicary corrosion, the number one cause of evaporator coil failures.

• DesignedusingGalvanizedSteel:With a polyester urethane coat
finish. The 950 hour salt spray finish is 1.5 mil thick and resists corrosion
50% better than comparable units.

• SmallerPanels,Great Fitand Finish,TotalSeal:Well-designed,
quality construction.

• OnePieceTopPan: With drip edge on top panels whisks away rainwater.

• EmbossedBottomPan:Keeps blower component compartment dr y.

• Permanently Lubricated Condenser Motor: A heavy duty PSC

motor for long lasting reliability and quiet operation. Requires no
maintenance and is protected from rain and snow.

• ThermostaticExpansionValve: Factory installed externally equalized
thermostatic expansion valves provides precise refrigerant control
under varying load conditions in heat pump or cooling mode.

• Hi/LowPressureSwitches:Ensure long compressor life.

• ExternallyAccessible,HighFlowServicePorts: Quick access to

refrigeration system.

• LiquidLine Filter Drier: Factory installed at a convenient location
for service.

• SuctionAccumulator:Protection from liquid flood back and future
compressor failures.

• Two-Stage Gas Heat Operation:Featuring a two-stage gas valve
and two speed inducer motor.

• ChoiceofHeatingControl:Two stage thermostat or single stage
heat thermostat with on the control board timing of 5 or 10 minute
delay for second stage of heat.

• LowvoltageTransformer: Includes 5 Amp fuse to protect low voltage
circuit.

• Corrosion-Resistant Drain Pan: Quickly drains away evaporator
condensate.

• ECMVariableSpeedBlowerMotor: Advanced technology allows
the motor to automatically adjust to different static loads. The variable
speed motor allows for extra quiet operation and improved air quality.

• ExtraDehumidication in Cooling Mode: The blower motor can
adjust speed, allowing more moisture removal from the home's air,
providing better comfort.

• DemandDefrostStandard:Provides additional energy savings in
heating by defrosting only when necessary.

• ThreeMinuteRestartTimeDelay:When the unit shuts down, a three
minute delay keeps the unit from restarting, eliminating the highest
cause for compressor failure.

• Heavy-Gauge,FullPerimeterBaseRails: Facilitates forklift handling
and curb mounting.

• ConvertibleAirDelivery:Horizontal or downflow to accommodate
rooftop or horizontal applications.

• EasyCompressorandControlAccess:Designed to make servicing
easier for the contractor, access panels are provided to all controls
and the compressor from the side of the unit.

• RemovableTopGrilleAssembly: Allows ease of service to the fan motor.

• DuctFlanges:Reduce installation costs.

• Proven, Industry Standard Components: Easier service and

availability.

• SmartLite

hot surface ignition technology. Programmed to learn the heat-up
characteristics of the igniter, then adapt the ignition time to the
characteristics of the furnace so the igniter is energized appropriately.

• Accessories:Roof curbs and more.

®

ControlBoard:Provides extended life to igniters using

2

To Electrical
Opening

24 9/10

13 3/10

45 7/10

B

A

13 1/2

16

12

23 1/2

CG

16

13 1/2

13 1/2

Downflow
Supply Duct
Opening

Downflow
Return Duct
Opening

Inside
Perimeter
of Base Rail

2 3/4

47 1/2

MODEL IDENTIFICATION CODE

DF 6 S F - X 24 K 080 C B

Application

Heat Pump
Dual Fuel
Packaged Unit

Series

SquareDuct

DIMENSIONS

E = 14 SEER
F = 15 SEER

X = TXV

Cooling Capacity

(00) Btu

Revision
Level

C = US/Canadian
Approved

Heating Capacity

(000) Btu

Electrical Code

K = 208/230-60-1

Top View

Model

Number

DF6SF

X24K***CB 480 490 26.0 27.0 39.0 35.3 55.8
X36K***CB 480 490 26.0 27.0 43.0 39.3 55.8
X48K***CB 612 622 27.0 26.5 43.0 39.3 55.8
X60K***CB 612 622 30.0 26.5 47.0 43.3 63.6

Unit

Weight

Shipping

Weight

CenterofGravity

A B

Height (in inches) C

with base rails without base rails

D

Length

3

DIMENSIONS (Continued)

47.5

2.9

4.0

Gas Supply Entry

Ø 1.625 dia

.

1.8

Electric Supply Entry

Ø 1.25 dia.

15.75

28

30.5

Low Voltage Entry

Ø .88 dia.

12.45

C

Horizontal

Supply Duct

Opening

16.0

13.5

8.75

D

16.0

12.45

Horizontal

Return Duct

Opening

13.5

9.75 24.75

4.0

Side View

Back View

4