ESBE GDA311 Series, Quick Start Manual

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7
HOW TO USE THE INFORMATION LEAFLET
The Circulation Unit is equipped with a display. It gives you also the possibility
to write in notes and leave behind.
Just remove the display glass and get acess to the card.
8
MAINTENANCE
The circulation unit does not require any specific maintenance under normal
conditions. Althoug it is important to annually check the entire system. Pay
specially attention to all threaded or soldered connections and the potential
occurrence of limestone sedimentation.
WARNING Switch of the electric supply before any operation. Pay attention
to the hot water contained.
SPARE PARTS
Spare parts are ordered via ESBE customer service.
In order to avoid queries and incorrect orders, all data on the name plate
should be submitted for each order.
GX
X X00
6
WILO - FAULTS, CAUSES AND REMEDIES
LED Indicator Meaning Diagnostic Cause Remedy
lights green Pump in operation Pump runs according its
setting Normal operation
lights orange Pump is in PWM mode Pump is speed controlled
by the PWM signal Normal operation
blinks red/green Pump in function but
stopped Pump restarts by itself after
the fault is disappeared 1. Undervoltage U<160 V
or Overvoltage U>253 V
2. Modul overheating:
temperatur inside motor
too high
1. Check voltage supply
195 V < U < 253 V
2. Check water and ambient
temperature
blinks red Pump out of function Pump stopped (blocked) Pump does not restart by
itself due to a permanent
failure Change pump
blinks orange Pump out of function Pump stopped Pump is not starting Change pump
LED off No power supply No voltage on electronics 1. Pump is not connected
to power supply
2. LED is damaged
3. Electronics are damaged
1. Check cable connection
2. Check if pump is running
3. Change pump
You find more information about the pump on www.esbe.eu.
Heating output GRA311
MIXING FUNCTION
Heating output
GFA311 FIXED TEMPERATURE
Heating output GDA311
DIRECT SUPPLY
7.5
6
5
4
3
2
1
80
70
60
50
40
30
20
10
0
0
10
20
30
40
50
60
0 0.2 0.4 0.6 0.8 1.0
0 0.7 1.4 2.2 2.9 3.6
[m
3
/h ]
[l/s]
Flow
Output
[kW]
Δ P
[kPa]
5°C
7°C
10°C
15°C
7.5
6
5
4
3
2
1
0 0.2 0.4 0.6 0.8 1.0
0 0.7 1.4 2.2 2.9 3.6
[m
3
/h ]
[l/s]
Flow
80
70
60
50
40
30
20
10
0
0
10
20
30
40
50
60
Output
[kW]
Δ P
[kPa]
5°C
7°C
10°C
15°C
7.5
6
5
4
3
2
1
5°C
7°C
10°C
15°C
0
10
20
30
40
Output
[kW]
0 0.2 0.4 0.6 0.8
0
0.7 1.4
2.2 2.9
[m
3
/h ]
[l/s]
Flow
80
70
60
50
40
30
20
10
0
Δ P
[kPa]
rätt kurvor?