Modine ECO PCR 14 Manuel Technique page 35

ENGLISH
Symbol on Function
motorfan
PE Protective earth
L1, L2, L3 Power supply, phase, 50 Hz
NC Status relay, floating status contact; break for failure, contact rating 250 VAC / 2A (AC1) min. 10
mA, basic insulation on mains side and reinforced insulation on control interface side
COM Status relay, floating status contact; common connection, contact rating 250 VAC / 2A (AC1) min.
10 mA, basic insulation on mains side and reinforced insulation on control interface side
0-10V Analogue input 1 (set value); 0-10 V; Ri=100kΩ; parametrisable curve
RSB RS485 interface for Modbus, RSB
RSA RS485 interface for Modbus, RSA
GND Reference ground for control interface, SELV
+10V Fixed voltage output 10 VDC; +10 V +/-3%; max. 10 mA; short-circuit-proof; power supply for
external devices (e.g. potentiometer)
Please refer to the diagrams provided with the model for further information.
It is mandatory to use power cables of minimum section as indicated in Table 1. Refer to the technical regulations in
force in the country of installation, taking into account also the laying method, the length of the cables and their type.
To minimize the risk of indirect contact, connect the electrical system to ground.
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Table 1
Nominal current [A]
11
15
20
26
36
48
64
80
95
150
170
Power supply cable section
2
[mm ]
1,5
2,5
4
6
10
16
25
35
50
95
120
35