56
R2K 24 - RAD - ING - Inst.Manual - 2002.1_CSA
2. MAINTENANCE
SUPPOR
T CENTER
2.2.12. WIRING DIAGRAM
ER: IONIZATION ELECTRODE
TS: WATER TEMPERATURE HIGH LIMIT
SWITCH
MP: PANEL TERMINAL
BL: BLUE
EA: SPARK ELECTRODE
PACQ:WATER PRESSURE SWITCH
SE: OUTDOOR TEMPERATURE
BR: BROWN
C: CIRCULATOR
MF: MICRO-FLOW SWITCH
TA: ENVIRONMENT THERMOSTAT O: ORANGE
VG: GAS VALVE
SR: CENTRAL HEATING TEMPERATURE
PROBE
L: LINE
Y: YELLOW
TRA:IGNITION TRANSFORMER
SS: DOMESTIC TEMPERATURE PROBE
N: NEUTRAL
W: WHITE
TF: EXHAUST SAFETY HIGH LIMIT
SWITCH_(102°C)
EV: COMBUSTION BLOWER
BK: BLACK
GY. GREY
VD: DIVERTER VALVE
PA: AIR PRESSURE SWITCH
G: GREEN
SF: CONDENSATE
COLLECTION SIPHON
br
bl
br
bl
br
bl
br
y
w
gy
EV
bk
bl
bk
br
MF
TS
TF
SR
o o
bl br br bl
bk bk
MP
Pacq
11
10
9
8
7
12
13
14
15
16
17
M12
M9
M7
M5
M2
M4
M8
M10
M15
M16
1
2
3
4
57
61
60
59
58
44 43 42 41 40 39 38
37 36 35 34 33 32
31 30 29 28
27 26
62
63
64
65
66
67
68
51
52
53
54
55
56
5
6
M13
M14
L
N
Se
Se
Ta
Ta
+24V
HS
PWM GND
VD
br
bl
g
bl
br
EA
Tra
ER
C
SS
120 V
60 Hz
SF
2
1
3
PA
bl
bl
PA
3
2
1
VG
br
bl
40-00092
40-00223
40-00300
40-00300
40-00250
40-00312
40-00311
40-00277
40-00152
31428LA
40-00313
31396LA
40-00088
40-00106
40-00087
31388LA
31385LA
31385LA
MAINTENANCE
CAUTION
: Label all wires prior to disconnection when
servicing controls. Wiring errors can cause improper and
dangerous operation. Verify proper operation after servicing.
fig. 36
