Wilo EMU FA+HC20.1 Series Installation And Operating Instructions Manual page 80

Data Sheet - Electrical Connection
When used in Ex-protected
areas
Wire designation of the
connection lead
F-2
Monitoring device identificat
Leak chamber
K20/21
monitoring
Protection device provided by customer
Bimetal relay / motor
-
protection switch
Dry-run protection
-
with float
Dry-run protection
-
with electrode
Table F-1: * Limit temperature: insulation class F = 140°, insulation class H = 160°, for oil motors = 110°,
PVC wire = 80°, PE2 wire = 90°
The temperature monitoring system should be connected in such a manner that if the early warning
is triggered an automatic switch on can be performed. If a switch off is triggered then switching on
again should only be possible if the release button has been manually activated!
1 designation
2 core
3 main cable
4 control cable
5 electrode cable
6 green-yellow
7 blue
8 black
9 brown
10 protective conductor
11 motor connection cable
12 motor connection cable beginning
13 motor connection cable end
14 motor connection cable low speed
15 motor connection cable high speed
16 cold type thermistor as per DIN 44081
17 cold type thermistor beginning
18 cold type thermistor high temperature per DIN 44081
19 cold type thermistor low temperature as per DIN 44081
20 bimetallic thermistor (break contact) 250V 2A cos j = 1
21 bimetallic thermistor beginning
22 bimetallic thermistor high temperature (break contact)
23 bimetallic thermistor low temperature (break contact)
24 temperature control Pt 100 beginning as per DIN 43760 B
Wire Recommended
analyzing
ion device
Coupling relay
(CM-MSS or NIV
101)
-
-
NIV 105
Triggered
Threshold
condition
Warning or switch
-
off
Rated motor
Switch off
current
- Switch off
30 KOhm Switch off
WILO EMU 3.0