46
NEW
MAIN PCB
SELECT THE TYPE
OF CONFIGURATION
PLANT
CH ONLY
INSTANTANEOUS
SELECT THE PLANT
CONFIGURATION
HW TANK
ON BOARD
AMBIENT
WHERE IS
THE REC10 INSTALLED?
BOILER
- select
CH ONLY
if the appliance is a ‘heat’ only system
boiler
- select
INSTANTANEOUS
if the appliance is a combination
boiler
- then select
FLOW METER
(
FLUX METER
- only selectable
with INSTANTANEOUS).
NOTE
After a system reset where the configuration selection is
‘new’, carry out a check on the various (applicable) installation
parameters to ensure that the ‘new’ configuration meets the
requirements of the system.
PLANT
FLOW METER
FLOW SWITCH
8.9 ACCESS TO INSTALLATION
PARAMETERS
Warning! – Unqualified personnel and/or ‘end-users’
should not attempt to access or adjust ANY installation
parameter; serious damage or appliance malfunction
may occur as the result of an incorrectly set parameter.
To access the installation parameters:
1. select MENU from the REC10CH UI
2. simultaneously press and hold both the ‘return’ and ‘down-
arrow’ buttons until the display changes to show: INSERT
PASSWORD
3. using the ‘up-arrow’ button, press until ‘18’ is shown in the
display, then press ‘select’
4. use the following menu string:
MENU
TECHNICAL
5. refer to the section 3.1 for further details.
8.10 TYPICAL BESMART CONNECTION
– CONNECTED TO THE 8-POLES
CONNECTOR
-
8.11 TYPICAL CONNECTION FROM REMOTE
ROOM THERMOSTAT AND CLOCK
– CONNECTED TO THE 8-POLES
CONNECTOR
Key
AKM0X
Main PCB
REC
Remote control
X1-X25-CN1
Connectors
S.W.1
CO2 function button
F.S.
Flame sensor
F
External fuse 3.15A F
F1
Fuse 4A T
M2
Terminal strip for electrical connection high power
CE4
External link connector:
(- A B +) Bus 485
CE8
External link connector:
TBT ● Underfloor heating thermostat
TA ● Room Thermostat (contact must be free of
voltage)
OT+ ● Open therm
SE ● External sensor
P
Pump
PWM
PWM signal
OPE
Gas valve solenoids
F Hv
Fan power supply 230 V
TSC2
Ignition transformer
S.E.
Spark electrode
F.O.H.T
Flow over heat thermostat
FS
Flue sensor
FT
Flow thermistor
RS
Return thermistor
F.M.
Flow meter
D.H.W.T.
Domestic hot water temperature
P.T.
Pressure transducer
MOD
Modulator
F Lv
Fan signal control
3W
3 way valve stepper motor