18
Twin

Approx.

Flow Dimensions (In.) Fan Ship Wt.

Model A B C D E F G H J K L M Qty. Dia. (Lbs.)

09 161/8 191/8 79/16 4 25/16 99/16 23/4 47/8 41/2 85/8 21/2 25/8 1 51/2” 12

13 161/8 191/8 79/16 4 25/16 99/16 23/4 47/8 41/2 85/8 21/2 25/8 2 51/2” 14

18 161/8 191/8 79/16 4 25/16 99/16 23/4 53/4 41/2 85/8 21/2 25/8 1 8” 15

25 181/8 261/8 111/16 4 25/16 131/16 23/4 63/4 51/2 121/8 31/2 25/8 2 8” 23

35 181/8 261/8 111/16 4 25/16 131/16 23/4 63/4 51/2 121/8 31/2 25/8 2 8” 24

45 211/8 291/8 83/16 73/4 37/16 195/8 31/2 91/4 8 135/8 515/16 41/4 2 8” 34

55 211/8 291/8 83/16 73/4 37/16 105/8 31/2 81/2 8 135/8 515/16 41/4 1 12” 34

Twin Flow Air Defrost Unit Cooler
Dimensional Diagram
NOMENCLATURE

BTO K 13 A G

Twin Coil Motor Fan Fan Motor

Models 115V 208/230V Blade Guard Mount

09 25300701 25300801 5101B 5054D 91179001

13 25300701 25300801 5101B 5054D 91179001

18 25303201 25303301 23100201 H50328 23101401

25 25303201 25303301 23100201 H50328 23101401

35 25303201 25303301 23100201 H50328 23101401

45 25303201 25303301 23100201 H50328 23101401

55 5036S 5036T 5110E 5055F 40003001

Replacement Parts
Expansion Valve Recommendations
25°F. Sat. Suction Temp. 20°F. Sat. Suction Temp.
Model BTUH @ R-22 BTUH @ R-22
Size 10°F. TD Alco Sporlan 15°F. TD Alco Sporlan
09 900 1350
13 1300 HF S1/4
HC EFV
1/5
C 1950 HFS-1/4
HC EFV-1/5
C
18 1800 2700
25* 2500 3750
35* 3500 5250
45* 4500 6750
55* 5500 8250
HFES-
1
/
4
HC
HFES-
1
/
2
HC
EFVE-
1/3C
EFVE-
1
/
2
C
HFES-
1
/
2
HC
HFES-
1
HC
EHFE-
1
/
3
C
EFVE-
1
C
Mounting

The Twin Flow unit cooler is

designed for mounting from the

top of the cooler. Drill holes for bolts

or screws according to dimensions

given in Dimensional Diagram and

Data. Doub le ke yhole slots are

provided so screws may be installed

first and then the unit positioned

over the screw head and slid left or

right, then tighten screws to secure

the unit.

FOR FOOD
SERVICE
INSTALLATIONS
. . . seal any joint
between unit cooler
and cooler liner
with a sealant
listed by the
National Sanitation
Foundation,
Standard 51
NOTE: All units have 1/2 I.D. suction, 1/2 O.D. sweat inlet connection and 1/2 O.D. drain.

Vintage

A = 115-1-60

B = 208/230-1-60

Size

K = Coated coil

Twin Flow

Dimensional Data
*Sizes 25, 35, 45 & 55 use external equalized valves.