Krack KR14E-037 User Manual

KR Series

COMPACT UNIT COOLERS

Technical Bulletin: KRUC_001_071015

Products that provide lasting solutions.

KR Series Compact Unit Coolers

Provides Excellent Design Innovations
That Enhance Overall Refrigeration Performance

The KR Compact Unit Cooler is specially designed with a low sihouette that fits flush to the ceiling utilizing
less than 16 inches of headroom. This design gives you more usable storage space for every walk-in application.
The KR Series is constructed for high efficiency and ease of maintenance.

Standard Features

n Swept Wing Fan Blade Design - an industry exclusive – providing minimal noise and improved customer satisfaction.

n Non-metallic fan guard.

n Front access to refrigeration components for serviceability.

n Electrical panel located behind front access hinged aluminum cover.

n Standard EC fan motors.

n Die-formed patterned aluminum cabinet and drain pan with easy-to-clean radius corners.

n Pressurized, sealed coils with heavy-walled copper tube and rippled full collar aluminum fins.

n Superheat gauge fitting.

n Available as 208-230/1/60, 115/1/60, and 460/1/60; EC motors optional for 115/1 and 230/1.

n Electric defrost models feature efficient coil face heaters, drain pan heaters and defrost controls.

Available heater voltages – 115/1 (H&P only), 230/1, 230/3, and 460/1.

n Factory wired fan and defrost controls with convenient terminal strips.

n Plug in motor leads.

Optional Features and Accessories

n These coils can be circuited for fluid or CO2 application.

n PSC motors for 115/1/60 and 208-230/1/60.

n 460 volt, single phase motors.

n Installed TX valve.

n Installed liquid solenoid valve.

n Wire fan guard.

n Wiring scheme for Hussmann’s Protocol and electronic control systems.

KR SERIES COMPACT UNIT COOLERS

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Specifications subject to change without notice.

KR Series Compact Unit Coolers

Ordering Information

Specify When Ordering All Models

n Complete model number. n Liquid refrigerant temperature.

n Refrigerant R22, R404A, R407A, R407F, or R507. n Motor and heater voltage.

n Room temperature. n Optional features.

n Saturated suction temperature. n Optional accessories.

Model Key

KR 24E-074 -B BK

Heater Voltage

Unit Type

KR = Krack Compact Series

Number of Fans

Fin Spacing

4 FPI
6 FPI

Type of Defrost

A = Air Defrost
E = Electric with Electric Pan
G = 3 Pipe Hot Gas with Hot Gas Drain Pan
H = 3 Pipe Hot Gas with Electric Drain Pan
K = 2 Pipe Kool Gas with Kool Gas Drain Pan
P = 2 Pipe Kool Gas with Electric Drain Pan

BTU/h in Hundreds (00)

A=230/1/60
B=115/1/60

(For H&P Defrost)
H= 460/1/60
K=230/3/60

Motor Voltage

A=208-230/1/60
B=115/1/60
H= 460/1/60

Motor Type

A=Shaded Pole Motors (460V only)
B=PSC Motors (115V & 230V)
E =EC Motors (115V & 230V)

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KR SERIES COMPACT UNIT COOLERS

Specifications subject to change without notice.

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