4/4X A/C Unit Brochure

4/4X A/C Unit Brochure
Washdown / Stainless Steel Cooling Units
Washdown 4/4X Cooling Units
Features/Benefits:
Pfannenberg strives to provide a relatively maintenance free design
for our customers. All our designs have additional options including:
Stainless Steel Covers - 304 SS, #3 polish to match enclosures and
protect against washdown environments (316L optional).
Enclosure Heater Option - for special applications where heating is
required to control condensate or keep electronics above a desired
temperature range in cold climates.
Voltage Options - Many of our cooling units have been designed for both
50/60 Hz applications as well as 400 or 460 V operations with a simple jumper
change in the e-box.
Wide Condenser Fin Spacing / Coated Condenser & Pipes
This filter-free design also reduces the amount of maintenance required by the
customer. A quick cleaning of the condenser is required less frequently verses the
competition's models, while capacity is not compromised by easy clogging of the
condenser core.
Rugged, Long-lasting Backward Curved Impeller Fans
Utilizing this type of fan, our cooling units can go twice as long before needing
service verses a typical blower style fan that has smaller, low-cost and high
maintenance bearings.
35° C
Warm air
from the
control system
Switch Cabinet
Proper Long Internal Air Flow Paths
The backward curve fan also has a natural right angle air path that allows our cooling
units to capture hot air from the top of the electrical cabinet and deposit cool, dry air
to the bottom of the cabinet and underneath critical components on the panel.
25° C
Cool air
returned
Hermetically Sealed Refrigeration Circuit
Utilizing a maintenance free design, Pfannenberg implements a hermetically sealed
design that eliminates gasketed valves and the leak source for many other A/C unit
designs. Therefore, our cooling units do not need annual maintenance to determine
if the unit is properly charged with R134a refrigerant.
Standard Control Board
Controlling temperature and alarm setting via dip-switches, preventing airflow short
cycling, high pressure switch alarm, on/off control of compressor with built-in delay
timer and a LED lamp with four different flashing sequences. The control board is located
in inner air circuit for protection from heat and dirt.
67
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Subject to technical amendments and misprints.
Edition 13.0
Washdown / Stainless
Steel Cooling Units
ELECTRO-TECHNOLOGY FOR INDUSTRY
Application Examples
The following are just a few examples of the industries and applications in which Pfannenberg's Washdown Cooling Units
can be utilized. Call us today to find out how you can cut costs by keeping your processes, whatever they may be, up and
running with reliability you can count on.
Beverage
Filling / Packaging
Wastewater / Irrigation
Oil & Gas / Food Processing
Edition 13.0
Subject to technical amendments and misprints.
www.pfannenbergusa.com • 1-866-689-0085
68
Washdown / Stainless Steel Cooling Units
DTS 3031 SS (NEMA Outdoor Type 4/4X)
Cooling Unit 900 - 1200 Btu/h
• Compact design, ideal for small control cabinets or for
cooling of hot spots in larger control cabinets
• Maintains a UL Tested NEMA Type 4/4X seal against enclosure
• UL 484 Listed, category ACVS, UL file #SA10300, CE approved for European use
• Logic connector for door contact input
• Powder coated steel cover for rugged environments, easily painted to
match enclosure or machine
• Condenser with 3 mm fin spacing, highly effective protection against strongly
contaminated and aggressive ambient air
• Utilizes a thermal expansion valve (TXV) to ensure maximum performance
over a broad range
Data
DTS 3031 SS (NEMA Type 4/4X)
Part number
Rated voltage ± 10 %
Frequency
Unit
13383141158
13383144158
230
115
50/60
60
Cooling performance according to EN 14511
1200
253
243
Nominal (Run) Current @ 35/35 °C
1.2
2.1
Starting current
3.5
5
internal
38 (65)
external
30 (50)
Fuse (maximum) Class CC
15
Type of connection
Hz
Btu/h
Power consumption
Unimpeded airflow (free flow)
VAC
W
A
CFM
(m3/h)
15
A
cord with molded plug
Noise level (according to EN ISO 3741)
< 64
dB(A)
Weight (without packaging)
30 (13.6)
lb (kg)
Ambient temperature range
+ 46 … + 114/ + 8 … + 45
+ 77 … + 113 / + 25 … + 45
factory setting + 95 / + 35
R134a
Control range (adjustable)
Refrigerant
type
quantity
150
Duty cycle
g
100 %
Condensate management
Integrated Condensate Management System with Condensate Drain
Protection system
according to NEMA type
NEMA 1 towards the surroundings when properly installed
Design
°F / °C
NEMA 4/4X against enclosure when properly installed
housing
stainless steel 304
cover
stainless steel 304
Accessories
Piece
Part number
Information on page
Metal Mesh Filter
1
18881500009
104
Condensate bottle
1
18314000100
104
Approvals see page 15/16
69
1-866-689-0085 • www.pfannenbergusa.com
Subject to technical amendments and misprints.
Edition 13.0
Washdown / Stainless
Steel Cooling Units
ELECTRO-TECHNOLOGY FOR INDUSTRY
Cooling Capacity Performance Curve
DTS 3031 SS
How to use chart
Example:
@ 95° F (ambient, X-axis), @ 95° F
(internal, diagonal lines)
= 1187 Btu/h cooling capacity (Y-axis)
2000
586
1800
528
1600
469
1400
410
1200
352
1000
293
800
234
600
176
400
117
Dimensions
DTS 3031 SS
E
mm
7
177.8
Y
15.5
393.7
Z
7.75
196.8
A
5.31
135
B
4.88
124
C
12.91
328
D
5.04
128
E
5.75
146
F
6.38
162
G
6.38
162
A
Y
G
Mounting holes Ø 10 mm
For exact cutout information reference drilling
template at pfannenbergusa.com
B
X
Edition 13.0
F
X
D
inches
C
Dimension
Subject to technical amendments and misprints.
Z
www.pfannenbergusa.com • 1-866-689-0085
70
Washdown / Stainless Steel Cooling Units
DTS 3081 (NEMA 4/4X)
Cooling Unit 2000 - 3000 Btu/h
• Compact design, ideal for small control cabinets and larger control cabinets
for the cooling of hot spots
• Particularly suitable for the food industry and outdoor applications
• High protection system IP 56, maintenance-free
• Optionally available in stainless steel
• Condenser with 3 mm fin spacing, highly effective protection against
strongly contaminated and aggressive ambient air
• Utilizes a thermal expansion valve (TXV) to ensure maximum performance
over a broad range
Data
Part number
DTS 3081 (NEMA Type 4/4X)
304 Stainless Steel
Rated voltage ± 10 %
Frequency
Unit
13382341300
13382344300
230
115
50/60
60*
Cooling performance according to EN 14511
Hz
2000 - 3000
Power consumption
663
Btu/h
690
Nominal (Run) Current @ 35A/35A °C
4.1
6
Starting current
10.4
12.2
Unimpeded airflow (free flow)
VAC
internal
88 (150)
external
191 (325)
Fuse (maximum) Class CC
15
Type of connection
W
A
CFM
(m3/h)
15
A
cord with molded plug
Noise level (according to EN ISO 3741)
< 64
dB(A)
Weight (without packaging)
51 (23)
lb (kg)
Ambient temperature range
+ 32 … + 131 / + 0 … + 55
+ 77 … + 113 / + 25 … + 45
factory setting + 95 / + 35
R134a
Control range (adjustable)
Refrigerant
type
quantity
400
Duty cycle
°F / °C
228
Condensate management
Integrated Condensate Management System with Condensate Drain
Protection system
according to NEMA type
NEMA Type 4/4X against enclosure when properly installed
Design
g
100 %
NEMA Type 1 towards the surroundings when properly installed
housing
stainless steel 304
cover
stainless steel 304
*50 Hz unit available. Consult factory.
Option(s)
900 W Enclosure Heater
Accessories
Condensate bottle
Piece
Part number
Information on page
1
Consult Factory
-
Piece
Part number
Information on page
1
18314000100
104
Approvals see page 15/16
71
1-866-689-0085 • www.pfannenbergusa.com
Subject to technical amendments and misprints.
Edition 13.0
Washdown / Stainless
Steel Cooling Units
ELECTRO-TECHNOLOGY FOR INDUSTRY
Cooling Capacity Performance Curve
DTS 3081
How to use chart
Example:
@ 95° F (ambient, X-axis), @ 95° F
(internal, diagonal lines)
= 2660 Btu/h cooling capacity (Y-axis)
Dimensions
DTS 3081
Dimension
inches (mm)
X
10.08 (256)
Y
20.16 (512)
Z
10.79 (274)
A
6 (152.4)
B
9.07 (230.3)
C
8.25 (209.6)
D
1.03 (26.1)
E
8 (203.2)
F
8.88 (225.6)
G
9.37 (238.1)
H
.056 (14.3)
I
3 (76.1)
D
Z
X
C
D
C
A
A
E
I
Y
B
B
C
F
Mounting holes Ø 8 mm
Drawings are for reference only. Before making
cutout consult pfannenbergusa.com for precise
templates.
E
F
C
H
G
H
G
Edition 13.0
Subject to technical amendments and misprints.
www.pfannenbergusa.com • 1-866-689-0085
72
Washdown / Stainless Steel Cooling Units
DTS 3181 (NEMA 4/4X)
Cooling Unit 3000 - 4000 Btu/h
• Large distance between intake and exhaust vents, safe circulation within the electrical
enclosure due to long passage of air, therefore hot spots are eliminated
• Maintains a UL Tested NEMA Type 4/4X seal against enclosure
• UL 484 Listed, category ACVS, UL file #SA10300, CE approved for European use
• Maintenance-free design, filterless for most applications
• 304 Stainless steel cover to match enclosures, with # 3 polish
• Condenser with 3 mm fin spacing, highly effective protection against strongly
contaminated and aggressive ambient air
• Particularly suitable for food and beverage, wastewater and pump applications
• Utilizes a thermal expansion valve (TXV) to ensure maximum performance
over a broad range
Data
Part number
DTS 3181 (NEMA Type 4/4X)
304 Stainless Steel
Rated voltage ± 10 %
Unit
13385436158
13385441158
13385444158
460 1Ø
230
115
Frequency
50 / 60
Cooling performance according to EN 14511
3000 - 4000
Power consumption
1200
795
845
2
4
7
Starting current
15
15
10
internal
178 (300)
external
110 (185)
Fuse (maximum)** Class CC
15
15
Type of connection
Hz
Btu/h
Nominal (Run) Current @35A/35A °C
Unimpeded airflow (free flow)
VAC
60*
W
A
CFM
(m3/h)
15
A
permanent spring terminal
Noise level (according to EN ISO 3741)
< 70
dB(A)
Weight (without packaging)
95 (43)
lb (kg)
Ambient temperature range
+ 32 … + 131 / + 0 … + 55
Control range (adjustable)
Refrigerant
+ 77 … + 113 / + 25 … + 45; factory setting + 95 / + 35
type
R134a
quantity
400
Duty cycle
g
100 %
Condensate management
active condensate evaporation system with safety overflow
Protection system
according to NEMA type
NEMA Type 1 towards the surroundings when properly installed
Design
°F / °C
NEMA Type 4/4X against enclosure when properly installed
housing
galvanized sheet steel
cover
stainless steel 304
*50 Hz unit available. Consult factory.
** SCCR rating - See user manual for instructions to achieve 50 kA (460 V) SCCR rating.
Option(s)
900 W Enclosure Heater
Piece
Part number
Information on page
1
Consult Factory
-
Accessories
Piece
Part number
Information on page
Metal Mesh Filter
1
18881500009
104
Condensate bottle
1
18314000100
104
Approvals see page 15/16
73
1-866-689-0085 • www.pfannenbergusa.com
Subject to technical amendments and misprints.
Edition 13.0
Washdown / Stainless
Steel Cooling Units
ELECTRO-TECHNOLOGY FOR INDUSTRY
Cooling Capacity Performance Curve
DTS 3181
How to use chart
Example:
@ 95° F (ambient, X-axis), @ 95° F
(internal, diagonal lines)
= 3755 Btu/h cooling capacity (Y-axis)
Dimensions
DTS 3181
Dimension
inches (mm)
X
15.55 (395)
Y
29.33 (748)
Z
11.57 (294)
A
11.81 (300)
B
12.2 (310)
C
2.2 (56)
D
11.5 (292)
E
.98 (25)
F
9 (228.6)
G
1.5 (38.1)
H
3.19 (81)
I
14.17 (360)
J
10.12 (257)
K
1.34 (34)
L
Z
Edition 13.0
B
A
F
A
F
E
Y
E
F
J
F
K
C
K
D
F
H
F
C
Subject to technical amendments and misprints.
G
G
B
Mounting holes Ø 8 mm
Drawings are for reference only. Before making
cutout consult pfannenbergusa.com for precise
templates.
M
X
I
D
H
I
www.pfannenbergusa.com • 1-866-689-0085
74
Washdown / Stainless Steel Cooling Units
DTS 3181 SL (NEMA Type 4/4X)
Cooling Unit 3000 - 5000 Btu/h
• Large distance between intake and exhaust vents, safe circulation within the electrical
enclosure due to long passage of air, therefore hot spots are eliminated
• Maintains a UL Tested NEMA Type 4/4X seal against enclosure
• UL 484 Listed, category ACVS, UL file #SA10300, CE approved for European use
• Maintenance-free design, filterless for most applications
• 304 Stainless steel cover to match enclosures, with # 3 polish
• Condenser with 3 mm fin spacing, highly effective protection against strongly
contaminated and aggressive ambient air
• Particularly suitable for food and beverage, wastewater and pump applications
• Utilizes a thermal expansion valve (TXV) to ensure maximum performance
over a broad range
Data
Part number
DTS 3181 SL (NEMA Type 4/4X)
304 Stainless Steel
13383436158
Rated voltage ± 10 %
Frequency
Unit
13383441355
400 / 460 1Ø
230
VAC
50 / 60
50/60
Hz
Cooling performance according to EN 14511
3000 - 5000
Btu/h
Power consumption
751
890
Nominal (Run) Current @ 35A/35A °C
6.5
6.6
Starting current
14.8
14.8
Unimpeded airflow (free flow)
internal
350 (595)
external
350 (595)
Fuse (maximum)** Class CC
15
Type of connection
Noise level (according to EN ISO 3741)
Ambient temperature range
Refrigerant
CFM
(m3/h)
15
A
< 70
dB(A)
108 (49)
lb (kg)
+ 59 … + 131 / + 15 … + 55
SC
+ 77 … + 113 / + 25 … + 45; factory setting + 95 / + 35
type
°F / °C
R134a
quantity
900
Duty cycle
g
100 %
Condensate management
active condensate evaporation system with safety overflow
Protection system
according to NEMA type
NEMA Type 1 towards the surroundings when properly installed
Design
A
permanent spring terminal
Weight (without packaging)
Control range (adjustable)
W
NEMA Type 4/4X against enclosure when properly installed
housing
galvanized sheet steel
cover
stainless steel 304
** SCCR rating - See user manual for instructions to achieve 200 kA (460 V) SCCR rating.
Option(s)
900 W Enclosure Heater
Piece
Part number
Information on page
1
Consult Factory
-
Accessories
Piece
Part number
Information on page
Metal Mesh Filter
1
18881500006
104
Condensate bottle
1
18314000100
104
Approvals see page 15/16
75
1-866-689-0085 • www.pfannenbergusa.com
Subject to technical amendments and misprints.
Edition 13.0
Washdown / Stainless
Steel Cooling Units
ELECTRO-TECHNOLOGY FOR INDUSTRY
Cooling Capacity Performance Curve
DTS 3181 SL
PC
How to use chart
Example:
@ 95° F (ambient, X-axis), @ 95° F
(internal, diagonal lines)
= 5107 Btu/h cooling capacity (Y-axis)
BTU
W
8550
2500
6850
2000
5100
1500
3400
1000
1700
500
Electrical enclosure
internal temperature T i
+ 45 ° C/113° F
+ 35 ° C/95° F
+ 25 ° C/77° F
0
0
25
30
35
40
45
50
55
77
86
95
104
113
122
131
°C
°F
Ambient temperature T A
Dimensions
DTS 3181 SL
Dimension
X
12.24 (311)
Y
36 (914)
Z
14.4 (367)
A
17 (430)
B
10.4 (264)
C
4.7 (118)
D
.30 (8)
E
8.5 (216)
F
8.5 (216)
G
1.3 (32)
H
.5 (13)
I
3.2 (80)
J
11 (279)
K
9 (228)
J
Z
inches (mm)
B
A
E
Y
D
K
E
C
F
D
B
Mounting holes Ø 10 mm
Drawings are for reference only. Before making
cutout consult pfannenbergusa.com for precise
templates.
E
H
X
G
J
Edition 13.0
Subject to technical amendments and misprints.
www.pfannenbergusa.com • 1-866-689-0085
76
Washdown / Stainless Steel Cooling Units
DTS 3185 (NEMA 4/4X)
Cooling Unit 5000 - 7000 Btu/h
• Large distance between intake and exhaust vents, safe circulation within the electrical
enclosure due to long passage of air, therefore hot spots are eliminated
• Maintains a UL Tested NEMA Type 4/4X seal against enclosure
• UL 484 Listed, category ACVS, UL file #SA10300, CE approved for European use
• Maintenance-free design, filterless for most applications
• 304 Stainless steel cover to match enclosures, with # 3 polish
• Condenser with 3 mm fin spacing, highly effective protection against strongly
contaminated and aggressive ambient air
• Particularly suitable for food and beverage, wastewater and pump applications
• Utilizes a thermal expansion valve (TXV) to ensure maximum performance
over a broad range
Data
Part number
DTS 3185 (NEMA Type 4/4X)
304 Stainless Steel
13383636158
Rated voltage ± 10 %
Frequency
Unit
13383639158
13383644158
400 / 460 3Ø
230
115
VAC
50 / 60
50/60
60*
Hz
Cooling performance according to EN 14511
5000 - 7000
Power consumption
Btu/h
1283
1020
1000
Nominal (Run) Current @ 35A/35A °C
4.5
7.8
12.6
Starting current
16
26
48
Unimpeded airflow (free flow)
internal
341 (580)
external
706 (1200)
Fuse (maximum)** Class CC
5
10
Type of connection
W
A
CFM
(m3/h)
15
A
permanent spring terminal
Noise level (according to EN ISO 3741)
< 70
dB(A)
Weight (without packaging)
108 (49)
lb (kg)
Ambient temperature range
+ 59 … + 131 / + 15 … + 55
Control range (adjustable)
Refrigerant
SC
+ 77 … + 113 / + 25 … + 45; factory setting + 95 / + 35
type
R134a
quantity
900
Duty cycle
g
100 %
Condensate management
active condensate evaporation system with safety overflow
Protection system
according to NEMA type
NEMA Type 1 towards the surroundings when properly installed
Design
°F / °C
NEMA Type 4/4X against enclosure when properly installed
housing
galvanized sheet steel
cover
stainless steel 304
** SCCR rating - See user manual for instructions to achieve 200 kA (460 V) SCCR rating.
Option(s)
900 W Enclosure Heater
Piece
Part number
Information on page
1
Consult Factory
-
Accessories
Piece
Part number
Information on page
Metal Mesh Filter
1
18881500006
104
Condensate bottle
1
18314000100
104
Approvals see page 15/16
77
1-866-689-0085 • www.pfannenbergusa.com
Subject to technical amendments and misprints.
Edition 13.0
Washdown / Stainless
Steel Cooling Units
ELECTRO-TECHNOLOGY FOR INDUSTRY
Cooling Capacity Performance Curve
DTS 3185
PC
How to use chart
Example:
@ 95° F (ambient, X-axis), @ 95° F
(internal, diagonal lines)
= 6140 Btu/h cooling capacity (Y-axis)
BTU
W
8550
2500
6850
2000
5100
1500
3400
1000
1700
500
0
0
Electrical enclosure
internal temperature T i
+ 45 ° C/113° F
+ 35 ° C/95° F
+ 25 ° C/77° F
25
30
35
40
45
50
°C
°F
55
Ambient temperature T A
Dimensions
DTS 3185
Dimension
X
12.24 (311)
Y
36 (914)
Z
14.4 (367)
A
17 (430)
B
10.4 (264)
C
4.7 (118)
D
.30 (8)
E
8.5 (216)
F
8.5 (216)
G
1.3 (32)
H
.5 (13)
I
3.2 (80)
J
11 (279)
K
9 (228)
J
Z
inches (mm)
B
A
E
Y
D
K
E
C
F
D
B
Mounting holes Ø 10 mm
Drawings are for reference only. Before making
cutout consult pfannenbergusa.com for precise
templates.
E
H
X
G
J
Edition 13.0
Subject to technical amendments and misprints.
www.pfannenbergusa.com • 1-866-689-0085
78
Washdown / Stainless Steel Cooling Units
DTS 3281 (NEMA 4/4X)
Cooling Unit 7000 - 8500 Btu/h
• Large distance between intake and exhaust vents, safe circulation within the electrical
enclosure due to long passage of air, therefore hot spots are eliminated
• Maintains a UL Tested NEMA Type 4/4X seal against enclosure
• UL 484 Listed, category ACVS, UL file #SA10300, CE approved for European use
• Maintenance-free design, filterless for most applications
• 304 Stainless steel cover to match enclosures, with # 3 polish
• Condenser with 3 mm fin spacing, highly effective protection against strongly
contaminated and aggressive ambient air
• Particularly suitable for food and beverage, wastewater and pump applications
• Utilizes a thermal expansion valve (TXV) to ensure maximum performance
over a broad range
Data
Part number
DTS 3281 (NEMA Type 4/4X)
304 Stainless Steel
Unit
13385736158
13385741158
13385744158
Rated voltage ± 10 %
400 / 460 3Ø
230
115
VAC
Frequency
Cooling performance
according to EN 14511
Power consumption
50 / 60
50 / 60
60*
Hz
7000 - 8500
1400
Btu/h
1425
1680
Nominal (Run) Current @ 35A/35A °C
2
6.2
7.2
Starting current
16
21.8
53
Unimpeded airflow (free flow)
internal
580 (985)
external
580 (985)
Fuse (maximum)** Class CC
15
15
Type of connection
Weight (without packaging)
Ambient temperature range
Refrigerant
CFM
(m3/h)
25
A
< 73
dB(A)
119 (54)
lb (kg)
+ 32 … + 131 / + 0 … + 55
SC
°F / °C
+ 77 … + 113 / + 25 … + 45; factory setting + 95 / + 35
type
R134a
quantity
700
Duty cycle
g
100 %
Condensate management
active condensate evaporation system with safety overflow
Protection system
according to NEMA type
NEMA Type 4/4X against enclosure when properly installed
Design
A
permanent spring terminal
Noise level (according to EN ISO 3741)
Control range (adjustable)
W
NEMA Type 1 towards the surroundings when properly installed
housing
galvanized sheet steel
cover
stainless steel 304
*50 Hz unit available. Consult factory.
** SCCR rating - See user manual for instructions to achieve 50 kA (230 V) or 200 kA (460 V) SCCR rating.
Option(s)
900 W Enclosure Heater
Piece
Part number
Information on page
1
Consult Factory
-
Accessories
Piece
Part number
Information on page
Metal Mesh Filter
1
18881500001
104
Condensate bottle
1
18314000100
104
Approvals see page 15/16
79
1-866-689-0085 • www.pfannenbergusa.com
Subject to technical amendments and misprints.
Edition 13.0
Washdown / Stainless
Steel Cooling Units
ELECTRO-TECHNOLOGY FOR INDUSTRY
Cooling Capacity Performance Curve
DTS 3281
How to use chart
Example:
@ 95° F (ambient, X-axis), @ 95° F
(internal, diagonal lines)
= 7850 Btu/h cooling capacity (Y-axis)
Dimensions
DTS 3281
Dimension
L
inches (mm)
X
15.55 (395)
Y
47.6 (1209)
Z
12.83 (326)
A
13.78 (350)
B
12.99 (330)
C
3.94 (100)
D
11.5 (292)
E
.59 (15)
F
9 (228.6)
G
1.5 (38.1)
H
6.39 (162.3)
I
14.17 (360)
J
21.46 (545)
K
1.34 (34)
L
7.87 (200)
M
3.15 (80)
M
L
Z
B
M
G
B
F
A
A
F
F
E
E
F
F
Y
J
J
K
F
D
D
F
F
C
C
F
Mounting holes Ø 8 mm
H
HF
Drawings are for reference only. Before making
cutout consult pfannenbergusa.com for precise
templates.
Edition 13.0
G
X
Subject to technical amendments and misprints.
I
I
www.pfannenbergusa.com • 1-866-689-0085
80
Washdown / Stainless Steel Cooling Units
DTS 3285 (NEMA 4/4X)
Cooling Unit 9000 - 12000 Btu/h
• Large distance between intake and exhaust vents, safe circulation within the electrical
enclosure due to long passage of air, therefore hot spots are eliminated
• Maintains a UL Tested NEMA Type 4/4X seal against enclosure
• UL 484 Listed, category ACVS, UL file #SA10300, CE approved for European use
• Maintenance-free design, filterless for most applications
• 304 Stainless steel cover to match enclosures, with # 3 polish
• Condenser with 3 mm fin spacing, highly effective protection against strongly
contaminated and aggressive ambient air
• Particularly suitable for food and beverage, wastewater and pump applications
• Utilizes a thermal expansion valve (TXV) to ensure maximum performance
over a broad range
Data
Part number
DTS 3285 (NEMA Type 4/4X)
304 Stainless Steel
13383836158
Rated voltage ± 10 %
Frequency
13383844158
400 / 460 3Ø
230
115
VAC
50 / 60
50/60
60*
Hz
Cooling performance according to EN 14511
9000 - 12000
Power consumption
Btu/h
1700
1600
1600
2.6
9.4
16
8
38
57
internal
706 (1200)
706 (1200)
765 (1300)
external
706 (1200)
706 (1200)
765 (1300)
CFM
(m3/h)
15
25
A
Nominal (Run) Current @ 35A/35A °C
Starting current
Unimpeded airflow (free flow)
Unit
13383839158
Fuse (maximum)** Class CC
10
Type of connection
W
A
permanent spring terminal
Noise level (according to EN ISO 3741)
< 73
dB(A)
Weight (without packaging)
150 (68)
lb (kg)
Ambient temperature range
+ 59 … + 131 / + 15 … + 55
Control range (adjustable)
Refrigerant
SC
+ 77 … + 113 / + 25 … + 45; factory setting + 95 / + 35
type
R134a
quantity
1200
Duty cycle
g
100 %
Condensate management
active condensate evaporation system with safety overflow
Protection system
according to NEMA type
NEMA Type 4/4X against enclosure when properly installed
Design
°F / °C
NEMA Type 1 towards the surroundings when properly installed
housing
galvanized sheet steel
cover
stainless steel 304
** SCCR rating - See user manual for instructions to achieve 50 kA (230 V) or 200 kA (460 V) SCCR rating.
Option(s)
Piece
Part number
1
Consult Factory
-
Accessories
Piece
Part number
Information on page
Metal Mesh Filter
1
18881500007
104
Condensate bottle
1
18314000100
104
900 W Enclosure Heater
Information on page
Approvals see page 15/16
81
1-866-689-0085 • www.pfannenbergusa.com
Subject to technical amendments and misprints.
Edition 13.0
Washdown / Stainless
Steel Cooling Units
ELECTRO-TECHNOLOGY FOR INDUSTRY
Cooling Capacity Performance Curve
DTS 3285
How to use chart
Example:
@ 95° F (ambient, X-axis), @ 95° F
(internal, diagonal lines)
= 10875 Btu/h cooling capacity (Y-axis)
Dimensions
DTS 3285
Dimension
X
16.0 (406)
Y
53.0 (1347)
Z
14.4 (367)
A
16.8 (427)
B
11 (280)
C
5.3 (135)
D
13.7 (348)
E
.98 (25)
F
.35 (9)
G
13.0 (330)
H
21.1 (537)
I
1.4 (35)
J
3.6 (92)
K
5.0 (126)
L
8.2 (209)
M
7.8 (198)
N
7.6 (192)
O
G
inches (mm)
Z
A
4.5 (114)
Q
10.5 (267)
Y
N
H
O
C
Q
F
D
X
J
Mounting holes Ø 8 mm
Drawings are for reference only. Before making
cutout consult pfannenbergusa.com for precise
templates.
Edition 13.0
L
M
E
8.4 (214)
P
K
B
Subject to technical amendments and misprints.
I
G
P
www.pfannenbergusa.com • 1-866-689-0085
82
Washdown / Stainless Steel Cooling Units
DTS 3481 (NEMA 4/4X)
Cooling Unit 14000 - 17000 Btu/h
• Large distance between intake and exhaust vents, safe circulation within the electrical
enclosure due to long passage of air, therefore hot spots are eliminated
• Maintains a UL Tested NEMA Type 4/4X seal against enclosure
• UL 484 Listed, category ACVS, UL file #SA10300, CE approved for European use
• Maintenance-free design, filterless for most applications
• 304 Stainless steel cover to match enclosures, with # 3 polish
• Condenser with 3 mm fin spacing, highly effective protection against strongly
contaminated and aggressive ambient air
• Particularly suitable for food and beverage, wastewater and pump applications
• Utilizes a thermal expansion valve (TXV) to ensure maximum performance
over a broad range
Pending final design.
Data
Part number
DTS 3481 (NEMA Type 4/4X)
304 Stainless Steel
13385036158
Rated voltage ± 10 %
400/460 1Ø
Cooling performance according to EN 14511
Power consumption
Hz
14000 - 17000
Btu/h
1770
W
2.5
Starting current
3.6
internal
559 (950)
1212 (2060)
CFM
(m3/h)
15
A
Type of connection
permanent screw terminal
Noise level (according to EN ISO 3741)
Weight (without packaging)
Ambient temperature range
Refrigerant
TBD
dB(A)
175 (80)
lb (kg)
(optional - 40) + 20... +131/-4(optional -40)...+55
SC
°F / °C
+ 77 … + 113 / + 25 … + 45; factory setting + 95 / + 35
type
R134a
quantity
1100
Duty cycle
g
100 %
Condensate management
active condensate evaporation system with safety overflow
Protection system
according to NEMA type
NEMA Type 1 towards the surroundings when properly installed
Design
A
external
Fuse (maximum)** Class CC
Control range (adjustable)
VAC
AC 50 / 60
Nominal (Run) Current @ 35A/35A °C
Unimpeded airflow (free flow)
Unit
NEMA Type 4/4X against enclosure when properly installed
housing
galvanized sheet steel
cover
stainless steel 304
*50 Hz unit available. Consult factory.
** SCCR rating - See user manual for instructions to achieve 200 kA (460 V) SCCR rating.
Option(s)
1400 W Enclosure Heater
Piece
Part number
Information on page
1
Consult Factory
-
Accessories
Piece
Part number
Information on page
Metal Mesh Filter
1
18881500010
104
Condensate bottle
1
18314000100
104
Approvals see page 15/16
83
1-866-689-0085 • www.pfannenbergusa.com
Subject to technical amendments and misprints.
Edition 13.0
Washdown / Stainless
Steel Cooling Units
ELECTRO-TECHNOLOGY FOR INDUSTRY
Cooling Capacity Performance Curve
DTS 3481
How to use chart
Example:
@ 95° F (ambient, X-axis), @ 95° F
(internal, diagonal lines)
= 11250 Btu/h cooling capacity (Y-axis)
Dimensions
DTS 3481
J
Dimension
inches (mm)
X
15.87 (403)
Y
59.13 (1502)
Z
18.43 (468)
A
23.23 (590)
B
11.22 (285)
C
6.3 (160)
D
12.2 (310)
E
12.8 (325)
F
8.5 (216)
G
11.02 (280)
H
1.02 (26)
I
13.78 (350)
J
6.89 (175)
K
11.02 (280)
L
13.39 (340)
M
.79 (20)
J
B
F
A
F
G
E
M
F
D
C
F
L
Mounting holes Ø 8 mm
F
Drawings are for reference only. Before making
cutout consult pfannenbergusa.com for precise
templates.
Edition 13.0
H
Subject to technical amendments and misprints.
I
www.pfannenbergusa.com • 1-866-689-0085
84
Washdown / Stainless Steel Cooling Units
DTS 3681 (NEMA 4/4X)
Cooling Unit 20000 - 24000 Btu/h
• Large distance between intake and exhaust vents, safe circulation within the electrical
enclosure due to long passage of air, therefore hot spots are eliminated
• Maintains a UL Tested NEMA Type 4/4X seal against enclosure
• UL 484 Listed, category ACVS, UL file #SA10300, CE approved for European use
• Maintenance-free design, filterless for most applications
• 304 Stainless steel cover to match enclosures, with # 3 polish
• Condenser with 3 mm fin spacing, highly effective protection against strongly
contaminated and aggressive ambient air
• Particularly suitable for food and beverage, wastewater and pump applications
• Utilizes a thermal expansion valve (TXV) to ensure maximum performance
over a broad range
Data
Part number
DTS 3681 (NEMA Type 4/4X)
304 Stainless Steel
Unit
13383936158
13383939158
Rated voltage ± 10 %
400 / 460 3Ø
230
VAC
Frequency
Cooling performance
according to EN 14511
Power consumption
50 / 60
60*
Hz
20000 - 24000
W
2000/2620
3142
Nominal (Run) Current @ 35A/35A °C
4.8
17.1
Starting current
25
84
Unimpeded airflow (free flow)
internal
1613 (2740)
external
1613 (2740)
Fuse (maximum)** Class CC
15
A
CFM
(m3/h)
30
Type of connection
A
permanent screw terminal
Noise level (according to EN ISO 3741)
< 73
dB(A)
Weight (without packaging)
230 (105)
lb (kg)
Ambient temperature range
+ 32 … + 131 / + 0 … + 55
Control range (adjustable)
Refrigerant
SC
type
R134a
quantity
1300
Duty cycle
g
100 %
Condensate management
active condensate evaporation system with safety overflow
Protection system
according to NEMA type
NEMA Type 1 towards the surroundings when properly installed
Design
°F / °C
+ 77 … + 113 / + 25 … + 45; factory setting + 95 / + 35
NEMA Type 4/4X against enclosure when properly installed
housing
galvanized sheet steel
cover
304 stainless steel
*50 Hz unit available. Consult factory.
** SCCR rating - See user manual for instructions to achieve 50 kA (230 V) or 200 kA (460 V) SCCR rating.
Option(s)
Piece
Part number
1
Consult Factory
-
Accessories
Piece
Part number
Information on page
Metal Mesh Filter
1
18881500004
104
Condensate bottle
1
18314000100
104
1400 W Enclosure Heater
Information on page
Approvals see page 15/16
85
1-866-689-0085 • www.pfannenbergusa.com
Subject to technical amendments and misprints.
Edition 13.0
Washdown / Stainless
Steel Cooling Units
ELECTRO-TECHNOLOGY FOR INDUSTRY
Cooling Capacity Performance Curve
DTS 3681
How to use chart
Example:
@ 95° F (ambient, X-axis),
@ 95° F (internal, diagonal lines)
= 20500 Btu/h cooling capacity (Y-axis)
Dimensions
DTS 3681
Dimension
inches (mm)
X
19.02 (483)
Y
65.63 (1667)
Z
24.53 (623)
A
25 (635)
B
13.78 (350)
C
11.22 (285)
D
10.24 (260)
E
1.38 (35)
F
9.45 (240)
G
13.78 (350)
H
5.47 (139)
I
16.54 (420)
J
8.27 (210)
K
16.73 (425)
L
1.12 (28.5)
J
J
J
Z
H
F
B
B
F
F
A
A
F
G
Y
E
G
E
K
M
K
D
F
F
C
L
D
F
F
L
C
Mounting holes Ø 10 mm
Drawings are for reference only. Before making
cutout consult pfannenbergusa.com for precise
templates.
J
F
H
X
F
I
I
Edition 13.0
Subject to technical amendments and misprints.
www.pfannenbergusa.com • 1-866-689-0085
86
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