IDEAL IMAX XTRA E320 - Page 22

INSTALLATION
22
IMAX XTRA - Installation & Servicing
24 PICTORIAL WIRING DIAGRAM (MASTER BOILER)
HT
11
10
9 8 7 6 5 4 3 2 1
11
10
9 8 7 6 5 4 3 2 1
Damper
Transformer
6 5
X1
4 3 2 11 2
X2
GV
MCBA5407D
3 4 5 6 7 8 9
10
11 12
1 2
X3/4X5
SUPPRESSOR
SUPPRESSOR SUPPRESSOR
R2 R1
X8
3 41 2 3 4 5 6 7 8 9
10
11 12
1 2 3 4 5 6 7 8 9 10 11 1213141516
X10
X7
AM3
MASTER
OT
CENTER
Connection to
Slave Wiring
Centre
TB1
CONTROLLER
ALARM
DHW CALL CH CALL
DHW PUMP
OR VALVE
CH PUMP MAINS IN
OUTSIDE
TEMP
0-10V
INPUT
MASTER
RUN
BS*
RY1
RY2
* Note. For BS open circuit is on, closed circuit is off.
TTL
DISPLAY
TB2
FUSE
LEGEND
NTC1 NTC2 NTC5 NTC7 PW R1 R2 RY1 RY2 GV BS APS1 KEY
- - - - - - - - - - - -
Flow thermistor Return thermistor Flue thermistor Heat exchanger thermistor Water pressure switch Relay 1 230VAC coil Relay 2 230VAC coil Relay 1 Switch (signal) Relay 2 Switch (signal) Gas valve Burner switch Air pressure switch
w y/g g or v
- - - - -
white yellow/green grey orange violet
b bk br r pk y
- - - - - -
blue black brown red pink yellow
v
w
g
or
bk gy bk
br
br
br
b
br br
br br
b b b b g
v
g
bk bk bk
br
r
r
r
v
w
bk
r
y
pk
r
b
bk
w
pk
r
bk
y/g
y/g
y/g
y/g y/g y/g
v
g
w
w
bk
bk
or br
pk
y
bk
w
PWM
+
E L N
TACH
APS1
PW
INSTALLATION