SEW-Eurodrive M1 N Series, Руководство по сборке и эксплуатации

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5
Installation/assembly
Oil heater
Assembly and Operating Instructions – M1..N Series Single-Stage Helical Gear Units
64
Thermostat RT
Connection data
Alternating current:
AC-1: 10 A, 400 V
AC-3: 4 A, 400 V
AC-15: 3 A, 400 V
Contact material:
AgCdO
Direct current:
DC-13: 12 W, 230 V
Cable entry 2 PG 13.5 for cable diameter of 6 – 14 mm
Degree of protection
IP66 acc. to IEC 529 and EN 60529, IP54 for units with external reset. The thermostat housing is
made of bakelite according to DIN 53470, the cover is made of polyamide.
A contactor must be used in the following cases:
• 3-phase voltage supply
• 2 heating rods
• Current ratings exceed nominal values of thermostat
5.17.5 Adjusting the setpoint
The setpoint is usually set at the factory. Proceed as follows for changing the value:
The range is set using the adjustment knob [1] while reading the main scale [2]. Use a
tool if the thermostat is equipped with a cap. The differential is set using the differential
disk [3].
The size of the differential obtained for the relevant thermostat can be established by
comparing the set main scale value and the scale value on the differential disk with
the help of a nomogram.
1
2
4
[2]
[1]
[3]
5-16-7_figure1: Thermostat structure
25544694923
[1] Adjustment knob
[2] Main scale
[3] Differential setting disk
29203856/EN – 03/2020