BUSCH R5 Oxygen, Instruction Manual

Page: 17 / 36

Installation | 5
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5.6.2 Wiring Diagram Temperature Switch "Oil" (Optional)
Part no.: 0651 563 747
Connector: M12x1, 4-pin
Electrical data:
U =
≤
250 V AC/DC (50/60 Hz) ; I =
≤
1 A
Switch point:
T
1
pin 1 + 2 = 110 °C*
T
2
pin 3 + 4 = 130 °C*
1 2
4 3
2
1
T
1
4
3
T
2
1 = Brown ; 2 = White ;
3 = Blue ; 4 = Black
* The switch point value depends on the oil type, see Oil [ ► 31] .
5.6.3 Wiring Diagram Resistance Thermometer (Optional)
Part no.: 0651 563 753
Connector: M12x1, 4-pin
Electrical data:
U = 10 … 35 VDC
4 ... 20 mA
►
0 ... 150 °C
Warning / trip signals: see Oil [ ► 31] .
1 2
4 3
3
1
+
-
1 = Brown ; 3 = Blue
5.6.4 Wiring Diagram Pressure Switch (Optional)
Part no.: 0653 563 750
Connector: M12x1, 4-pin
Electrical data:
U =
≤
250 V AC/DC (50/60 Hz) ; I =
≤
4 A
Switch point:
P pin 1 + 2 = 0.6 bar (overpressure)
1 2
4 3
2
1
P
1 = Brown ; 2 = White
5.6.5 Wiring Diagram Pressure Transmitter (Optional)
Part no.: 0653 204 444
Connector: M12x1, 4-pin
Electrical data:
U = 10 ... 35 VDC
4 ... 20 mA
►
0 ... 1.6 bar (abs.)
1 2
4 3
3
1
+
-
1 = Brown ; 3 = Blue
Warning signal:
P
warning
= 0.4 bar (overpressure)
Trip signal:
P
trip
= 0.6 bar (overpressure)
5.6.6 Wiring Diagram Pressure Switch of Water-oil Heat
Exchanger (Optional)
Part no.: 0653 000 002
Electrical data:
U = 230 VAC ; I = 1 A
U = 24 … 100 VDC ; I = 0.5 … 2 A
Contact: Normally open
Switch point:
P
trip
= 2 bar (relative)
►
min. admissible
pressure
2 4
P >
1
PE