Krack MK14A-121 User Manual

MK/MV Series

PRODUCT COOLERS

Technical Bulletin: MKMV_001_071015

Products that provide lasting solutions.

MK/MV SERIES UNIT COOLERS

Specifications subject to change without notice.

MK/MV Series Unit Coolers

Medium Profile Unit Coolers for

Medium Size Coolers and Freezers

MK SERIES –

Designed for rooms that need lower velocity air-flow to
avoid throwing water, or require less air volume.

Standard Features

n Ruggedly constructed cabinets are easily installed

from ceilings or on hanger rods.

n Wide capacity range.

n Air defrost for medium temperature rooms.

n Electric or Hot Gas defrost for medium and low

temperature rooms.

n 4, 6, and 8 fins per inch spacing.

n Aluminum drain pan and cabinet.

n Coated, corrosion-proof wire fan guards.

n Compartmented fan sections.

n EC motors.

n Schraeder valve for easy super heat adjustment.

Optional Features

n Fan motors available with 115V, 230V or 460V

single-phase.

n 2, 3, and 4 fan units may be wired for three-phase.

n Electric defrost heater available in 230V single or

three-phase and 460V three-phase.

n Totally enclosed, lifetime lubricated PSC motors.

Optional Accessories

n Long Air-Throw Adapters*

n Room Thermostat*

n TEV Thermostatic Expansion Valve**

n Defrost Time Clock*

n LLSV Liquid Line Solenoid Valve*

n SLHX Suction Liquid Heat Exchanger*

MV SERIES –

Specially designed to deliver low temperature air
at extra-high velocity.

Standard Features

n Ruggedly constructed cabinets are easily installed

from ceilings or on hanger rods.

n Wide capacity range.

n Electric defrost for low temperature rooms.

n 4 and 6 fins per inch spacing.

n Aluminum drain pan and cabinet.

n Coated, corrosion-proof wire fan guards.

n Compartmented fan sections.

n EC motors.

n Schraeder valve for easy super heat adjustment.

Optional Features

n Fan motors available with 115V, 230V or 460V

single-phase.

n 2, 3, and 4 fan units may be wired for three-phase.

n Electric defrost heater available in 230V single or

three-phase and 460V three-phase.

Optional Accessories

n Long Air-Throw Adapters*

n Room Thermostat*

n TEV Thermostatic Expansion Valve**

n Defrost Time Clock*

n LLSV Liquid Line Solenoid Valve*

n SLHX Suction Liquid Heat Exchanger*

n Totally enclosed, lifetime lubricated PSC motors.

* Shipped Loose

**Factory Mounted or Shipped Loose

* Shipped Loose

**Factory Mounted or Shipped Loose

MK/MV SERIES UNIT COOLERS

Specifications subject to change without notice.

1

MK/MV Series Unit Coolers

Ordering Information

Specify When Ordering All Models

n Complete model number. n Electric service; Motors-Heaters-Control.

n Refrigerant R22, R404A, or R507. n Optional features.

n Room temperature. n Optional accessories.

n Saturated suction temperature.

Model Key

MK 26A-172 -B BB

Unit Type

MK = Medium Profile
MV = High Velocity

Medium Profile

Number of Fans

Fin Spacing

4 FPI
6 FPI
8 FPI

Type of Defrost

A = Air
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

Heater Voltage

A=208-230/1/60
K=208-230/3/60
M= 460/3/60

Motor Voltage

A=208-230/1/60
B=115/1/60
H= 460/1/60 (Shaded Pole)
K=208-230/3/60
M= 460/3/60
U= 380/3/50 (Not UL)

Motor Type

A=Shaded Pole
B=PSC Motors (Optional)
C=3-Phase, Inverter Suitable

Motor (Standard)

E=EC Motors (Standard)

BTU/h in Hundreds (00)

MK/MV SERIES UNIT COOLERS

2

Specifications subject to change without notice.