Operating & assembly instructions [PDF] (14 pages)
- Updated: 23.06.2026
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Oil/air cooler
Series OPC2
Operating/Assembly instructions
KTR-N
Sheet:
Edition:
43213 EN
1 of 14
1
Please observe protection
note ISO 16016.
Drawn:
2019-11-21 Pz/Str
Replacing:
---
Verified:
2020-03-30 Pz
Replaced by:
Oil/air cooler
series
OPC2
Oil/air cooler; example: OPC2-300 and OPC2-400
Oil/air cooler; example: OPC2-500 to OPC2-900
Oil/air cooler
Series OPC2
Operating/Assembly instructions
KTR-N
Sheet:
Edition:
43213 EN
2 of 14
1
Please observe protection
note ISO 16016.
Drawn:
2019-11-21 Pz/Str
Replacing:
---
Verified:
2020-03-30 Pz
Replaced by:
The oil/air cooler series OPC2 is an efficient high-performance cooler. It has a compact design and was
developed for cooling hydraulic oil, gear oil and lubricating oil.
1
Technical data
3
2
Advice
5
2.1
General advice
5
2.2
Safety and advice symbols
5
2.3
General hazard warnings
5
2.4
Intended use
6
3
Storage, transport and packaging
6
3.1
Storage
6
3.2
Transport and packaging
6
4
Assembly
7
4.1
Components of oil/air cooler
7
4.2
Place of installation
8
4.3
Assembly of oil/air cooler
9
4.4
Operating pressure and temperature
9
4.5
Electrical connection
10
4.6
Cooling medium
10
4.7
Cleaning
11
4.8
Standard marking of oil/air cooler
11
4.9
Assembly - disassembly of the oil/air cooler into components
11
5
Start-up
12
6
Maintenance and service
12
7
Spares inventory, customer service addresses
13
8
EC Certificate of incorporation
14
Table of contents
Oil/air cooler
Series OPC2
Operating/Assembly instructions
KTR-N
Sheet:
Edition:
43213 EN
3 of 14
1
Please observe protection
note ISO 16016.
Drawn:
2019-11-21 Pz/Str
Replacing:
---
Verified:
2020-03-30 Pz
Replaced by:
Type OPC2-300 and OPC2-400
Illustration 1: OPC2-300 and OPC2-400
Table 1: Dimensions - Type OPC2-300 and OPC2-400
Type of cooler
Voltage
Engine
coolers
Engine
pump
l/min.
kW/°C
Dimensions [mm]
Current*
[A]
Speed
[rpm]
Current*
[A]
Speed
[rpm]
A
B
C
D
E
OPC2-300-4
230/400V
50 Hz
(460V
60 Hz)
1.03
1385
1.03
1385
5.5
0.13
446
570
417
65
320
OPC2-300-12
17
0.21
OPC2-400-16
1.77
1420
21.6
0.27
95
OPC2-400-32
44
0.36
Type of cooler
Dimensions [mm]
Weight
[kg]
F
G
H
I
J
K
L
M
N
O
P
Q
OPC2-300-4
160
160
500
200
720
30
330
G ¾“
SAE
1 ½“
23
51
70
53
OPC2-300-12
OPC2-400-16
G 1“
63
OPC2-400-32
SAE
1 ½“
66
*
Basis 400V
1
Technical data
Oil/air cooler
Series OPC2
Operating/Assembly instructions
KTR-N
Sheet:
Edition:
43213 EN
4 of 14
1
Please observe protection
note ISO 16016.
Drawn:
2019-11-21 Pz/Str
Replacing:
---
Verified:
2020-03-30 Pz
Replaced by:
Type OPC2-500 to OPC2-900
Illustration 2: OPC2-500 to OPC2-900
Table 2: Dimensions - Type OPC2-500 to OPC2-900
Type of cooler
Voltage
Engine
coolers
Engine
pump
l/min.
kW/°C
Dimensions [mm]
Current*
[A]
Speed
[rpm]
Current*
[A]
Speed
[rpm]
A
B
C
D
E
OPC2-500-32
230/400V
50 Hz
(460V 60 Hz)
1.03
1382
1.77
1420
44
0.46
460
740
448
94
405
OPC2-500-63
3.43
1445
88
0.54
OPC2-700-40
1.77
1420
1.77
1420
53.5
0.76
607
990
563
530
OPC2-700-100
4.83
1440
141
0.98
OPC2-900-63
5.3
955
3.43
1445
88
1.50
995
1313
712
678
OPC2-900-100
4.83
1440
141
1.91
Type of cooler
Dimensions [mm]
Weight
[kg]
F
G
H
I
J
K
L
M
N
O
P
Q
OPC2-500-32
150
157.5
670
130
720
30
330
SAE
1 ½“
SAE
1 ½“
23
51
70
74
OPC2-500-63
81
OPC2-700-40
225
226
920
280
795
367.5
SAE
2“
117
OPC2-700-100
SAE
2“
340
139
OPC2-900-63
372.5
390
1270
440
925
20
400
SAE
1 ½“
SAE
3“
227
125
42
235
OPC2-900-100
SAE
2“
206
75
*
Basis 400V
1
Technical data
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