Download REMEHA 24v Technical data

6.4 Control system
6.4.1 General
Press the 'mode'-key
Press the 'step'-key
'Code'-display
Operating
mode (see
para. 6.4.2)
Temperature display
0-9
H,L
Flow temperature
digit
Setting
mode (see
para. 6.4.3)
.
digit and
dot
1.
2.
3.
A.
Required flow temperature
Pump setting
D.H.W. setting
Boiler control operation
On service level (C 12):
Read-out
mode (see
para. 6.4.4)
.
digit and
blinking dot
6.
7.
8.
9.
b.
C.
d.
E.
F.
G.
H.
I.
J.
L.
n.
P.
Fan speed at full load (hundreds)
Fan speed at full load (units)
Fan speed at part load (hundreds)
Fan speed at part load (units)
D.H.W. cut-in temperature differential
Max. fan speed D.H.W.
Max. fan speed D.H.W.
Not applicable
Monitoring fan speed LD2
Forced part load after start
Fan speed at start
Max. flow temperature D.H.W.
D.H.W. control
Reserve
Heating cut-in temperature differential
Security type
1.
2.
3.
4.
5.
6.
7.
8.
9.
Flow temperature
Return temperature
D.H.W. temperature
Outdoor temperature
Not applicable
Flow temperature (setpoint)
Room thermostat status and air pressure switch status
Reserve
Not applicable
On service level (C 12):
Speed
mode (see
para. 6.4.7)
Fan speed
or
half digits
Failure
mode (see
para. 6.4.8)
blinking
digit
1
2
3
4
5
6
Failure code
Operating mode during failure
Flow temperature during failure
Return temperature during failure
D.H.W. temperature during failure
Outdoor temperature during failure
Fig. 08 Flow diagram microprocessor
11