REMEHA Quinta Pro series Installation, User And Service Manual page 36

Wall-hung gas condensing boilers
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6 Installation
Fig.31
Switch jumper (2)
1
2 %
Fig.32
Switch jumper (1)
1
2 %
36
2
2
AD-0000055-01
1
1
AD-0000056-01
Tab.17 Temperature-based control (°C)
Jumper 2 Input signal (V)
0–1.5
1.5–1.8
1.8–10
The 0–10 V signal controls the boiler supply temperature. This control
modulates on the basis of flow temperature. The output varies between
the minimum and maximum value on the basis of the flow temperature set
point calculated by the controller.
A jumper (2) on the interface is used to select either temperature-based
control ( ) or output-based control (%).
Tab.18 Control based on heat output
Jumper 2 Input signal (V)
0–2.0
(1)
%
2.0–2.2
(1)
2.0–10
(1)
(1) Dependent on the minimum modulation depth (set speeds, standard 20%)
The 0–10 V signal controls the boiler output. This control modulates on the
basis of the heat output. The minimum output is linked to the boiler's mod­
ulation depth. The output varies between the minimum and maximum val­
ue on the basis of the value defined by the controller.
Analogue output (0–10 V)
This feedback can be based on temperature or heat output. The two con­
trols are described briefly below.
A jumper (1) on the interface is used to select either temperature ( ) or out­
put (%).
Tab.19 Temperature message
Jumper 1 Output signal (V)
0.5
1–10
Tab.20 Output message
Jumper 2 Output signal (V)
0
%
0.5
2.0–10
(1)
(1) Dependent on the minimum modulation depth (set speeds, standard 20%)
Temperature °C
Description
0–15
Boiler off
15–18
Hysteresis
18–100
Desired temperature
Heat output (%)
Description
0–20
Boiler off
20–22
Hysteresis
20–100
Desired temperature
Temperature °C
Description
Alarm
10–100
Supplied tempera­
ture
Heat output (%)
Description
0–15
Boiler off
15–20
Alarm
20–100
Supplied heat output
123157 - v.06 - 24022015

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