Electrical Control Unit - Kessel Aqualift F Installation Manual

3.2 Activation levels of the float switches
Single pump
Off – On
On – Alarm
Twin pumps
Off – On1
On1 – On2
On2 – Alarm
Alarm levels are slightly below the wastewater inlet height to the pumping chamber

3.3 Electrical control unit

3.3.1 General technical data
Required Fuse
max 16 Amp / phase (provided on-site)
+ FI with 30mA rating
3.3.2 Control Unit Protection
IP 54 based on appropriate installation and securely closed
cover
3.3.3 Appropriate use
Information concerning the appropriate use of the
control unit in areas at risk of explosion
The control unit is designed to operate KESSEL single or
twin pump wastewater lifting station. Float switches or other
level controls are used to monitor the wastewater levels in-
side the chamber.
The control is to be installed outside of the area designated
as at risk of explosion.
Classifications
II (1) GD [EEx ia] IIC (Group II, Category (1)G, designa-
The requirements of Norms EN 50014:1997 + A1 – A2, EN
50020:2002 have been fulfilled.
EG – Certification
BAS 01 ATEX 7217
Identification
II (1) G [EEx ia] IIC
3. Technical Data
System 800 inspection chamber
Volume diff. liters (approx)
150
90
-
-
-
ted for use in gaseous atmosphe-
res)
1180 Ta = -20°C..+ 60°C
Height difference [cm] V
31
20
-
-
-
Installation / Commissioning
The lifting station must be installed, connected and commissioned
only by a licensed professional. This professional must be trained
and certified in areas including types of ignition, regulations and
work in areas at risk of explosion. Check to make sure that the
pump classification (listed above) satisfies the requirements of the
installation area.
• Temperatures in the immediate area of the pumping stati-
on must remain between
0 – 50 deg Celsius (32 – 122 deg F).
Electrical data / Connections
Power supply –
3 x 400 Volt (AC) / 50 Hz +- 10% 3-Phase
(Jacks – N, L1, L2, L3 PE) 230 V (AC) / 50 Hz +- 10% to supply
electronics
Entry electrical circuit
Thermal entry Un = 230V
Connection jacks TF1, TF2a, TF1b, TF2b)
Output electrical circuit
U = 42 V AC DC / 0.5 Amp
Relay malfunction and warning
Power contactor
Switching contact U = 400V +- 10% <= 4 kW, 50 Hz
Single pump type
Electrical circuit
System 1000 inspection chamber
Height difference [cm]
olume diff. liters (approx)
230
150
200
70
70
EEx ia IIC – protection type
Connection jacks AUS, ON, ALARM
8
EX
31
20
31
10
10