Krack MS14A-150 User Manual

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MS Series

UNIT COOLERS

Technical Bulletin: MSUC_001_071015

Products that provide lasting solutions.

MS SERIES UNIT COOLERS

Speciﬁcations subject to change without notice.

MS Series Unit Coolers

Medium Proﬁle Units for Medium Size

Walk-In Coolers and Freezers

Access Panel

Hinged panel cover provides easy access to electrical connections.

Hinged Drain Pan

Hinged drain pan easily drops down

for quick service.

The MS Series Unit Coolers have a medium proﬁle to accommodate increased air ﬂow for medium refrigeration applications. A galvanized steel cabinet provides long lasting durability and strength under most conditions. The MS Series is built for performance with increased BTUH capacities and heavy-duty construction for your every refrigeration need.

Standard Features

n Medium proﬁle, galvanized steel cabinet.

n 20” 1 to 4 fans.

n 15,000 to113,170 BTUH @10°TD.

n 4, 6, or 7 ﬁns per inch air defrost.

n 4, 5, or 6 ﬁns per inch electric (EL) or hot gas (HG) defrost.

n 1/2 h.p. ball-bearing motors totally enclosed, internal overload protection with automatic reset,

permanently lubricated.

n 230V, 1 or 3, 460V-3, 575V-3 electric defrost models.

n 115V, 230V, 1 or 3, 460V-3, 575V-3 air and gas defrost models.

n Fan delay and defrost termination thermostat.

n Terminal block.

n Heater safety thermostat on electric defrost.

Optional Features and Accessories

n Long throw adapters (stainless steel or galvanized) .*

n Insulated drain pans.

n 230/1 or 460/1 electric defrost pan heaters.

n Additional 2% for 575volt room thermostat.*

n Mounted thermostatic expansion valve.

n Liquid line solenoid valve.*

n Suction/liquid heat exchanger.*

n Stucco aluminum or stainless steel housing.

n Painted housing.

n Stainless steel housing.

* Shipped Loose

Speciﬁcations subject to change without notice.

n Stainless steel drain pan.

n Glycol CO

n Heat reclaim circuiting.

n Copper ﬁns.

n Coated coils – epoxy or phenolic.

n Export crating.

n Mounted NEMA 4x non-fused disconnect.

n Adj. defrost termination control.

n Face split coil.

MS SERIES UNIT COOLERS

circuiting.

MS Series Unit Coolers

Ordering Information

Specify When Ordering All Models

n Complete model number. n Liquid refrigerant temperature.

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

n Room temperature. n Optional features.

n Saturated suction temperature. n Optional accessories.

Model Key

MS 26A-367 -C KK

Heater Voltage

Unit Type

MS = Super Cooler

Number of Fans

Fin Spacing

4 FPI 6 FPI 5 FPI 7 FPI

Type of Defrost

A = Air Defrost B = Brine D = Electric with No Pan Heat 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 R = Heat Reclaim

A=208-230/1/60 H= 460/1/60 K=208-230/3/60 M= 460/3/60 P=575/3/60

Motor Voltage

A=208-230/1/60 B=115/1/60 H= 460/1/60 K=208-230/3/60 M= 460/3/60 P=575/3/60 U= 380/3/50 (not UL)

Motor Type

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

Inverter Duty Suitable Motor (Standard)

BTU/h in Hundreds (00)

MS SERIES UNIT COOLERS

Speciﬁcations subject to change without notice.

MODEL

MS14A-150 MS14A-190 MS14A-225 MS14A-249 MS16A-184 MS16A-229 MS16A-260 MS16A-281 MS17A-199 MS17A-246 MS17A-275 MS17A-295 MS24A-300 MS24A-381 MS24A-450 MS24A-498 MS26A-367 MS26A-459 MS26A-520 MS26A-562 MS27A-398 MS27A-492 MS27A-550 MS27A-591 MS34A-524 MS34A-623 MS34A-708 MS36A-626 MS36A-712 MS36A-806 MS37A-663 MS37A-755 MS37A-849 MS44A-699 MS44A-830 MS44A-944 MS46A-835 MS46A-949

MS46A-1075

MS47A-885 MS47A-1007 MS47A-1132

CAP. (BTUH)

@ 10° TD

+20 SST

15,020 19,030 22,470 24,910 18,360 22,940 26,010 28,100 19,880 24,590 27,500 29,540 30,040 38,050 44,950 49,820 36,710 45,880 52,030 56,190 39,760 49,180 55,000 59,080 52,400 62,250 70,820 62,610 71,180 80,620 66,340 75,540 84,870 69,870 83,000 94,430 83,480 94,900

107,490

88,450

0,720

113,170

AIR FLOW (CFM)

4,200 4,120 4,000 3,920 4,120 4,040 3,940 3,850 4,080 4,000 3,900 3,800 8,400 8,240 8,000 7,840 8,240 8,080 7,880 7,700 8,160 8,000 7,800

7,600 12,135 11,505 11,325 11,895 11,040 10,995 11,700 10,995 10,905 16,180 15,340 15,100 15,860 14,720 14,660 15,600 14,660 14,540

MEDIUM TEMPERATURE

REFRIGERATION CONNECTIONS

LIQUID

5/8 5/8 5/8 7/8 5/8 5/8 5/8 7/8 5/8 5/8 5/8 7/8 7/8 7/8 7/8 7/8 7/8 7/8 7/8 7/8 7/8 7/8 7/8 7/8 7/8 7/8

1-3/8

7/8 7/8

1-3/8

7/8

7/8 1-3/8 1-3/8 1-3/8 1-3/8 1-3/8 1-3/8 1-3/8 1-3/8 1-3/8 1-3/8

SUCTION

1-1/8 1-1/8 1-1/8 1-1/8 1-1/8 1-1/8 1-1/8 1-1/8 1-1/8 1-1/8 1-1/8 1-1/8 1-3/8 1-3/8 1-3/8 1-3/8 1-3/8 1

-3/8 1-3/8 1-3/8 1-3/8 1-3/8 1-3/8 1-3/8 1-5/8 1-5/8 1-5/8 1-5/8 1-5/8 1-5/8 1-5/8 1-5/8 1-5/8 2-1/8 2-1/8 2-1/8 2-1/8 2-1/8 2-1/8 2-1/8 2-1/8 2-1/8

MS Series Unit Coolers

Air Defrost Medium Proﬁle

6.250

SHIPPING

WGT.

BS)

142 153 171 184 151 164 182 197 161 174 194 209 247 272 301 326 269 297 328 355 309 342 370 419 369 402 433 402 438 472 419 456 492 493 528 578 538 576 630 560 600 656

NO. OF

HANGERS

4 4 4 4 4 4 4 4 4 4 4 4 6 6 6 6 6 6 6 6 6 6 6 6 8 8 8 8 8 8 8 8

8 10 10 10 10 10 10 10 10 10

REFRIG

CHARGE

5 7 8

5 7

8 10 10 13 15 18 10 13 15 18 10 13 15 18 16 20 23 16 20 26 16 20 23 21 26 31 21 26 31 21 26 31

DIMENSIONS (IN)

57.000

102.000

129.000

168.000

26.625

26.250

26.250 2

26.250

MS SERIES UNIT COOLERS

Speciﬁcations subject to change without notice.

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Krack MS14A-150 User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual