DTS 31X5
DTS 31X5 COOLING
UNITS
Our DTS 31X5 cooling units are one of our most popular models. We have
updated the design to include a new slimmer profile while still maintaining
a high cooling capacity to power ratio. This product is an ideal solution
5000 - 7000 Btu/h
for a wide variety of applications. These units are particularly suited for
compact enclosures and are available in 3 models; DTS 3145 for indoor
use, DTS 3165 designed for outdoor use and the stainless steel DTS
3185 designed for washdown applications. Available options include a
low ambient package and enclosure heater.
ERP Efficiency Certified
The fans in our DTS 31X5 cooling
units have been updated for greater
efficiency. These fans meet ERP
efficiency for use in Europe.
Extra Protection from Water
Rainhoods come standard on 3R,
4 and 4X units. Our DTS 3165 and
DTS 3185 come standard with a
built in rain hood to provide extra
protection for the fan from falling
water and direct spray.
Phase Protection
Our 400/460V models are
internally protected from
components being wired out of
phase.
UL Certified Power Connector
Connect the unit to power without
having to open the unit using our
new UL Certified pluggable power
connector.
Active Condensate Management
Integrated condensation
management using an active
condensate evaporator applies
electrical heat to remove
condensation even when the
compressor is idle.
36 in. (918 mm)
Easy Access Control Panel
All of the electrical components
are now mounted to an easily
accessible control panel. Simply
open up the access panel and
pull it down to service.
Corrosion Protection
Condensing and piping
components on outdoor and
wash-down units are coated with
a corrosive resistant coating for
protection in harsh environments.
Durable Pipe & Coils
Optimized piping design allows
for quick repair and high vibration
resistance.
New Narrower Footprint
The width of the DTS 31X5 family
of cooling units fits on all 12”
(300mm) enclosures.
Smaller, Lighter & More Efficient
Our rotary compressor design allows
us to reduce the weight and increase
the efficiency.
12 i
n. (3
COOLING UNITS
05 m
m)
1
8
1.
in.
(3
00
)
m
m
For additional technical data, drawings and
templates. www.pfannenbergusa.com
DTS 31X5 Series (5000 - 7000 Btu/h) Side-Mount Cooling Units
Model Number
DTS 3145
Indoor Rated
(NEMA Type 12)
Design
DTS 3165
Outdoor Rated
(NEMA Outdoor Type 3R/4)
Design
DTS 3185
Washdown
(NEMA 4/4x)
Design
Part Number
RAL 7035 (Light Grey)*
Voltage
(VAC)
(Hz)
Power
Consumption
Frequency
Nominal (Run)
Current
(W)
Noise level
Fuse
@ 35A/35A °C
(maximum)**
Class CC
Weight
(according to
EN ISO 3741)
(without packaging)
dB(A)
lb (kg)
133 8364 4255
115
60
1000
8.6
15
<70
108 (49)
133 8363 9255
230
50/60
1020
4.9
15
<70
108 (49)
133 8363 6255
460
50/60
1283
1.8
15
<70
108 (49)
Housing: galvanized sheet steel
Cover: galvanized/electrostatically powder coated (200 °C)
133 8364 4355
115
60
133 8363 9355
230
133 8363 6355
460
Housing: galvanized sheet steel
1000
12.6
15
<70
108 (49)
50/60
1020
4.9
15
<70
108 (49)
50/60
1283
1.8
15
<70
108 (49)
Cover: galvanized/electrostatically powder coated (200 °C)
133 8364 4158
115
60 ***
1000
8.6
15
<70
108 (49)
133 8363 9158
230
50/60
1020
4.9
15
<70
108 (49)
133 8363 6158
460
50/60
1283
1.8
15
<70
108 (49)
Housing: stainless steel 304 Cover: stainless steel 304
Additional Data
DTS 3145
DTS 3165
+ 59 … + 131 / + 15 … + 55
Ambient Temperature Range
Control range (adjustable)
°F / °C
+ 77 … + 113 / + 25 … + 45; factory setting + 95 / + 35
SC
R134a
type
Refrigerant
DTS 3185
+ 32 … + 131 / + 0 … + 55
750
quantity
g
active condensate evaporation system with safety overflow
Condensate management
12
Protection system
according to NEMA Type
3R/4
against enclosure when
properly installed
4/4X
NEMA 1 towards the surroundings when properly installed
For additional technical data,
drawings and templates.
www.pfannenbergusa.com
* For additional colors such as ANSI 61 (dark grey) - please contact the factory for details.
** SCCR rating - See user manual for instructions to achieve 50 kA (230V) or 200 kA (460V) SCCR Rating
*** 50 Hz unit available. Consult the factory
Available Models:
Cooling Capacity Performance Curve
How to use this chart
PC
DTS 3145
Indoor Rated
(NEMA Type 12)
DTS 3165
Outdoor Rated
(NEMA Outdoor
Type 3R/4)
Subject to technical amendments and misprints.
DTS 3185
Washdown
(NEMA Type 4/4x)
Example: @ 95 °F (ambient, X-axis), @ 95 °F (internal, diagonal lines)
= 6995 Btu/h cooling capacity (Y-axis)
BTU
W
10250
3000
8550
2500
6850
2000
5100
1500
3400
1000
1700
500
0
0
Electrical
Enclosure
Internal
Temperature Ti
+45 °C / 113 °F
+35 °C / 95 °F
+25 °C / 77 °F
25
30
77
86
35
40
45
50
55 °C
95
104
113
122
131 °F
Ambient Temperature TA
www.pfannenbergusa.com • 1-866-689-0085
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