Heatcraft Refrigeration Products BTO Manuale Utente

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nomenclature
Bto    K    09    a    G
Voltage
a = 115/1/60
B = 08-0/1/60
twin Flow Unit cooler
size
Bohn-Kote® coil 
(optional)
Vintage
Features
•  Compact two-way design with medium velocity air flow
•  Mounts flush to the ceiling and draws air in through the 
fan and discharges out both sides
•  Air pattern reduces air loss when doors are opened and the 
medium velocity reduces product drying
•  Textured aluminum cabinet
•  Stainless steel fasteners
•  Molded Lexan® fan guards
•  Drain pan and fan panel is easily removed for  
installation and servicing
•  Optional Bohn-Kote® coated coil available (Model BTOK) 
for optimum protection in corrosive environments
•  Coils are constructed of copper tubing with aluminum fins
•  Expansion valve mounts inside the cabinet
•  Internal junction box is provided for electrical connection
•  Motors are thermally protected and  
 
permanently lubricated
•  All models are UL listed for the US and Canada
•  UL classified to NSF standards
Sweat inlet connection to reduce leaks
(flare connection available as a ship loose option)
application
Model Bto
 is ideal for temperatures of 35°F and higher.  Box 
temperatures  are  kept  more  constant  throughout  and  fresh 
products last longer.  Seven sizes are available with BTUH from 
900 to 5,500 at 10° TD.
Larger BTO sizes are suitable for large reach-in and small step-in 
or walk-in coolers.
Model Bto
twin Flow Reach-In Unit cooler
 Models 25, 35, 45 and 55 use external equalized expansion valve
table 15. Performance and electrical Data
Diagram 8. Dimensions
table 16. Physical Data
Model
BtUh
10°F tD
BtUh
15°F tD
Motor Data
connections (in.)
approx.
ship Wt.
(lbs.)
cFM
Qty.
115/1/60
total Fla
08-0/1/60
total Fla
coil Inlet
oD
suction
ID
Drain
oD
BTO09
900
1,350
130
1
0.8
0.4
1/2
1/2
1/2
12
BTO13
1,300
1,950
240
2
1.6
0.8
1/2
1/2
1/2
14
BTO18
1,800
2,700
255
1
1.0
0.5
1/2
1/2
1/2
15
BTO25*
2,500
3,750
460
2
2.0
1.0
1/2
1/2
1/2
23
BTO35*
3,500
5,250
425
2
2.0
1.0
1/2
1/2
1/2
24
BTO45*
4,500
6,750
550
2
2.0
1.0
1/2
1/2
5/8
34
BTO55*
5,500
8,250
730
1
2.1
1.1
1/2
1/2
5/8
34
Model
Dimensions (in.)
a
B
c
D
e
F
G
h
J
K
l
M
n
P
R
BTO09 16-1/8 19-1/8 7-9/16
4
2-5/16 9-9/16
2-3/4
4-7/8
4-1/2
8-5/8
2-1/2
2-5/8 4-9/16 10
7/8
BTO13 16-1/8 19-1/8 7-9/16
4
2-5/16 9-9/16
2-3/4
5-3/4
4-1/2
8-5/8
2-1/2
2-5/8 4-9/16 10
7/8
BTO18 16-1/8 19-1/8 7-9/16
4
2-5/16 9-9/16
2-3/4
5-3/4
4-1/2
8-5/8
2-1/2
2-5/8 4-9/16 10
7/8
BTO25 18-1/8 26-1/8 11-1/16
4
2-5/16 13-1/16 2-3/4
6-3/4
5-1/2 12-1/8
3-1/2
2-5/8 8-1/16 10
7/8
BTO35 18-1/8 26-1/8 11-1/16
4
2-5/16 13-1/16 2-3/4
6-3/4
5-1/2 12-1/8
3-1/2
2-5/8 8-1/16 10
7/8
BTO45 21-1/8 29-1/8 8-3/16 7-3/4 3-7/16 10-5/8
3-1/2
9-1/4
8
13-5/8 5-15/16 4-1/4 7-9/16 14 1-3/4
BTO55 21-1/8 29-1/8 8-3/16 7-3/4 3-7/16 10-5/8
3-1/2
8-1/2
8
13-5/8 5-15/16 4-1/4 7-9/16 14 1-3/4