Wiring Diagram - Riello Array AR 399 SE Installation, Operation And Service Manual

3.16 Wiring diagram

PWM Out
SERVICE DISPLAY
J6-2 bl
J6-1 b
J6-8 h
FLUE SENSOR
J6-12 h
204
J6-5 b
RETURN T. SENSOR
J6-10 h
203
J6-3 b
J7-10 h
J7-9 b
MIN+MAX GAS
PRESSURE
SWITCH
(ONLY AR 500)
FLOWMETER
J7-4 h
J7-3 h
J7-2 b
J7-2
FLUE
PRESSURE
SWITCH+
CONDENS.
PRESSURE
SWITCH
W. PRESSURE
SWITCH
J12-5 h
202
SUPPLY TEMP.
SENSOR J12-2 b
J12-4 h
SAFETY LIMIT
212
WATER THERM.
J12-1 b
J11-2 red
LWCO AIR PRESSURE
SWITCH
485
Enable /
+
Disable
+ -
TOUCH SCREEN
J7-8 h
J7-7 bl
J7-6 b
b
27
INSTALLATION
Key
EP Exhaust flue temperature
sensor
FP Supply temperature sensor
RP Return temperature sensor
ST Water high-limit safety
thermostat
MPS Low Water Cut Off
FS Flue gas air pressure switch
FL Flow-meter
DCC Display and control card
TB1 Low-voltage terminal
board
0-10V 0-10V input
RT Room/heat demand
thermostat
Modbus Modbus outlet
DHW Indirect storage tank
sensor (accessory)
SP System temperature sensor
(accessory)
OS Outdoor temperature
sensor (accessory)
LWCO Low Water Cut Off
Cable colour
b brown
h blue
r red
w white
bl black
g yellow/green
y yellow
gr green
gy grey