Retsch Emax - Manual (Page 22)

Transport, scope of delivery, installation
22
NOTICE
Error message E46
Flowmeter
–
The following error sources can lead to an E46 error message:
1. No cooling agent in the cooling system
2. Flowmeter sensor faulty
3. Pump faulty
4. Blockage in the cooling system
• Check whether sufficient cooling water is in the cooling agent tank
(T).
4.10.1.1 Connection to an external cooler
If the internal cooling is not sufficient for your application, you have the option of
connecting external cooling using the connections (R/P).
The internal cooling is then supported via the heat exchanger by optional external
cooling.
Fig. 10: Connections for external cooling
The maximum pressure in feed and drain pipes must not exceed 6 bar.
The minimum temperature of the cooling agent may not be less than 5°C.
Only clean, lime-free water is permitted as cooling agent.
The type of connection for the hose connection is 10mm x 8mm.
Alternatively own screw connections with a G ¼” thread may be used.
Cooler specifications:
Cooling agent Clean, lime-free water
Minimum pump pressure 0.6bar
Maximum pump pressure 6bar
Minimum cooling output at 20°C 1kW
Maximum flow rate 10L/min
Working temperature 0° - 40°C
R
P