Glow-worm Compact 24c-AS/1 H-GB, Installation And Maintenance Instructions Manual, Page: 30 / 56

11 Handing over to the end user
30
Installation and maintenance instructions MicraCom 0020289288_02
Diagnostics codes (
→
Page 40)
10.1.2.2 Pump diagram - pressure loss graph
Validity: MicraCom 24c-AS/1 (H-GB)
300
400
500
600
700
800
200
100
0
5 600 400 200 1000 1200 800 A
B
1 2 3 4
1 Max. pump speed,
bypass valve closed
2 Max. pump speed,
bypass valve opened
by 3/4 rotation
(factory setting for the
bypass valve)
3 Min. pump speed, by-
pass valve opened by
3/4 rotation
(factory setting for the
bypass valve)
4 Qmax (
Δ
T = 20 °C)
A Installation volume flow
in l/h
B Remaining pump head
in hPa (mbar)
Validity: MicraCom 28c-AS/1 (H-GB)
300
400
500
600
700
200
100
0
5 600 400 200 1000 1200 800 A
B
1 2 3 4
1 Max. pump speed,
bypass valve closed
2 Max. pump speed,
bypass valve opened
by 3/4 rotation
(factory setting for the
bypass valve)
3 Min. pump speed, by-
pass valve opened by
3/4 rotation
(factory setting for the
bypass valve)
4 Qmax (
Δ
T = 20 °C)
A Installation volume flow
in l/h
B Remaining pump head
in hPa (mbar)
10.1.3 Setting the bypass valve
1. Remove the front casing. (
→
Page 22)
2. Hinge the electronics box downwards.
1
3. Regulate the pressure using the adjusting screw (1) .
Position of the
adjusting screw
Pressure Notes/application
Right-hand stop
(turned all the
way down)
0.035 MPa
(0.350 bar)
If the radiators do not
heat up sufficiently at the
factory setting.
In this case, you must
set the pump to the
maximum speed.
3/4 revolution
anti-clockwise
0.025 MPa
(0.250 bar)
Factory setting
Three further
anti-clockwise
rotations starting
from the mid-
position
0.017 MPa
(0.170 bar)
If noises occur at radiat-
ors or radiator valves.
4. Hinge the electronics box upwards.
5. Install the front casing. (
→
Page 27)
10.1.4 Setting the heating and domestic hot water
temperature
Condition : If installing a control is not intended
▶
Set the desired heating flow and domestic hot water
temperature on the product (
→
Operating instructions
for the product).
Condition : If installing a control is intended
▶
Set the heating flow and domestic hot water temperature
on the product to the relevant maximum value (
→
Oper-
ating instructions for the product).
▶
Connect the control to the product. (
→
Page 23)
▶
Set the desired heating flow and domestic hot water
temperature on the control (
→
Operating instructions for
the control).
10.1.5 Domestic hot water
10.1.5.1 Descaling the water
Scale deposition increases as the water temperature in-
creases.
▶
Descale the water as required.
11 Handing over to the end user
▶
At the time of commissioning complete all relevant sec-
tions of the Benchmark commissioning checklist, located
at the rear of this document.