ESBE GRB300 Manifolds for 2 Circulation Units Instruction Manual

ESBE GRB300 Manifolds for 2 Circulation Units

Function

Cabling & Dimensions

Electric installation

1. Remove knob Disassembly insulation

2. Pull up insulation 7mm Remove

3. Assembling on wall
   Adjust wallbracket

4. Fit supply pipes

5. Assemble insulation

6. Assemble actuator/controller

Mounting position actuator/controller

Mounting position

**Commissioning

**

Commissioning actuator/controller

Display

Venting

Manual restart

WILO Faults, Causes and Remedies

Increase the system pressure within the permissible range
Check the delivery head and set it to a lower head if necessary
Building does not get warm| Thermal output of the heating surfaces is too low| Increase setpoint
Set control mode to Δp-c
Warning signals is indicated by the LED display. Fault signal LED does not light up.
E07| Generator operation| Water is flowing through the pump hydraulics, but pump has no mains voltage| Check mains voltage
E11| Dry run| Air in the pump| Check volumetric flow rate/water pressure
E21| Overload| Sluggish motor, pump is opera- ted outside of its specifications (e.g. high module temperature). The speed is lower than during normal operation.| Check the ambient conditions
Fault signals is indicated by the LED display. Fault signal LED lights up red.
E04| Undervoltage| Power supply too low on mains side| Check mains voltage
E05| Overvoltage| Power supply too high on mains side| Check mains voltage
E10| Blocking| Rotor blocked| Activate manual restart or con- tact customer service
E23| Short-circuit| Motor current too high| Request customer service
E25| Contacting/ winding| Winding defective| Request customer service
E30| Excessive temperature of module| Module interior too warm| Check conditions of use
E36| Module defective| Electronics defective| Request customer service

Expose application info using leaflet

Dimensioning, Pump Capacity diagram Series GRB301

References

• ESBE | Welcome to ESBE – world-class hydronic solutions
• ESBE | Swedish Hydronic Solutions Since 1906

Read User Manual Online (PDF format)

Download This Manual (PDF format)

Download this manual  >>