ESBE GRB300 User manual

GRB300
ESBE
Brand
ESBE
Model
GRB300
Type
User manual

ESBE GRB300 is a circulation unit designed for domestic hot water and heating systems. It features a compact and lightweight design, making it easy to install and maintain. The unit is also equipped with an intuitive interface and a range of safety features, ensuring reliable operation. With its energy-efficient operation and low noise levels, the ESBE GRB300 is an ideal choice for residential and commercial applications.

ESBE GRB300 is a circulation unit designed for domestic hot water and heating systems. It features a compact and lightweight design, making it easy to install and maintain. The unit is also equipped with an intuitive interface and a range of safety features, ensuring reliable operation. With its energy-efficient operation and low noise levels, the ESBE GRB300 is an ideal choice for residential and commercial applications.

Disassembly insulation
145/10/1,0
0
5
15
Psi/bar/Mpa
+104 +40
+95+203
+5+41
Series GRB301
LVD 2014/35/EU ErP 2015
EMC 2014/30/EU
RoHS3 2015/863/EU EnEV 2014
PED 2014/68/EU, article 4.3
ESBE System Units
CIRCULATION UNIT DN20,
GRB300
Click
Click
NL
L
PE
max 10 A
Electric installation
www.esbe.eu
174mm
90mm
214mm 87mm
188mm
Remove Adjust wallbracket
Cabling ▯ Dimensions
Pull up insulation 7mm Assembling on wall
Function
30mm
123
Optional
actuator/
controller.
Not included.
Remove knob
Mtrl.nr. 98140500 • Ritn.nr. 7919 vers. A Rev. 2022-08-23
4
7
Mounting position
actuator/controller
1
SERIES ARA600 Prop
Pro
P
SERIES ARA600 3-Point
S
ERIE
S
AR
A60
SERIES ARA600 2-Point
http://www.esbe.eu/global/
en/products/rotary-valves
Commissioning actuator/controller
65
30-40Nm
Assemble insulation
Mounting position
3
6
0
º
0º
1
8
0
º
Add ballvalves
0
close open
Commissioning
Assemble
actuator/controller
Fit supply pipes
20 MINUTES
1-2 Nm
c/c 90mm
5 sec 5 sec 5 sec
5 sec
10 min
x 1
5 sec
10 min
x 2
m
m
m³/h
m
m³/h
m
m³/h
m
Operating button/Turn
• Select application/control mode.
• Set setpoint H of the delivery head (differential pressure).
• Select constant rotation speed.
LED display
• Display of the setpoint H
of the delivery head
(differential pressure) in m.
• Display of selected constant
speed (c1 = I, c2 = II, c3
= III).
• Display of the current
power consumption in W,
alternating with the current
flow rate in m³/h.
• Display of warning and fault
signals.
Function key/Press
• Start pump venting
function.
• Activate pump manual
restart.
LED display
Fault signal LED
Display
Expose application info using leaflet
8
LED Indicator Faults Causes Remedies
Pump is not running
although the power
supply is switched on
Electrical fuse defective Check fuses
Pump has no voltage Resolve the power interruption
Pump making noises Cavitation due to insufficient suc-
tion pressure
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
http://www.esbe.eu/
global/en/products/
circulation units
WILO - Faults, Causes and
Remedies
Recommended pump settings
Variable differential
pressure (Δp-v)
Constant differential
pressure (Δp-c)
Constant speed
I II III:
Venting
Manual restart
15°C
20°C
5°C
8°C
Δt
Dimensioning, Pump Capacity diagram Series GRB301
Variable differential pressureConstant differential pressure
10°C
2°C
0
5
10
15
20
25
30
35
40
45
50
0 0,4 0,7 1,1 1,4 1,8 2,2 2,5 2,9
0 0,1 0,2 0,3 0,4 0,5 0,6 0,7 0,8
70 7
60 6
50 5
40 4
30 3
20 2
10 1
0 0
4,0
2,5
1,6
1,0
0,63
0,4
[m3/h ]
[l/s]
Kvs [m3/h ]
ΔP Head
[kPa] [m]
Effekt [kW]
0
5
10
15
20
25
30
35
40
45
50
0 0,4 0,7 1,1 1,4 1,8 2,2 2,5 2,9
0 0,1 0,2 0,3 0,4 0,5 0,6 0,7 0,8
70 7
60 6
50 5
40 4
30 3
20 2
10 1
0 0
4,0
2,5
1,6
1,0
0,63
0,4
ΔP Head
[kPa] [m]
Effekt [kW]
[m3/h ]
[l/s]
Flow
Kvs [m3/h ]
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ESBE GRB300 User manual

GRB300
ESBE
Brand
ESBE
Model
GRB300
Type
User manual

ESBE GRB300 is a circulation unit designed for domestic hot water and heating systems. It features a compact and lightweight design, making it easy to install and maintain. The unit is also equipped with an intuitive interface and a range of safety features, ensuring reliable operation. With its energy-efficient operation and low noise levels, the ESBE GRB300 is an ideal choice for residential and commercial applications.

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