Paloma PH-28RIFSN, Engineering Handbook

Page: 15 / 68

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Wiring Diagram
B
8
R GR
Y
B
O
W
BR
AIR INT
AKE
FIL
TER
SWITCH
TRANSFORMER
GND
BK
GND
WA
TE
R
FLOW SENSOR
OVER HEA
T
LIMITER
BK:BLACK
COLOUR CODE
BR:BROWN
R:RED
W
:WHITE
B:BLUE
GY
:GRA
Y
GR:GREEN
O:ORANGE Y
:YELLOW
G/Y
:GREEN/YELLOW
REMOTE
REMOTE
REMOTE
(UMC-1
17)
(USC1-1
17)
(USC2-1
1
7)
FA
N
MOT
O
R
FM
5
WIRING DIAGRAM
FUSE(3A)
CIRCUIT
BOARD
SV3 SV2
SV1
SV0
W B R O Y
W
W
CONNECT
OR FOR CHECKING
THERMOELECTROMOTIVE FORCE
FUSE (5A)
2 1
U
2 1
O
S
1 3 2
B
R GR Y B O W
R1
BR
R2
R3
R4
GR GR GY GY
W Y R R
R
BR
B Y
W
R
W W R W
BK
BK BK
BK
BK
BK
BK
BK
BK
BK BK
BK
BK
W
BK
IGNITER
ELECTRODE
W
1 2 3 4 5 6 7
1 2 1 2
8
1
2
3
4
Q
P
R
1 2 3 4 5 6
1 2 3 4 5 6 7
OFF
ON
1
2
3
4
I J
H
F
D E
B
A
PSV
M
L
-
+
K
G
T
CONTROL
MOT
O
R
W
A
TER VOLUME
LIMITER
MOT
OR
SW2
SW1
SW3
R
R
G/Y
BK
W
AC 100V
G/Y
W
AC 120V
FOR INDOOR MODEL
ONL
Y
1
4
5 6 3
2
3
6 5
2
1
4
IG
WV
B
DIP
SWITCH
ADJUSTER
BUTT
ON
MIN
BUTT
ON
MAX
BUTT
ON
MAIN
W
A
TER BY
-P
ASS
SOLENOID V
A
LVE
V A L V E
3
S O L E N O I D
V A L V E
2
S O L E N O I D
V A L V E
1
S O L E N O I D
V A L V E 0
S O L E N O I D
G A S
I N L E T
T H E R M I S T O R
A I R
A M
B I E N T
T H E R M I S T O R
I N L E T
W
A T E R
T H E R M I S T O R
E X C H A N G E R
H E A T
T H E R M I S T O R
H O
T
W
A T E R
O
U T L E T
V A L V E
FROST PROTECTION THERMOST
AT
W
W W W W
BK BK
BK BK
BK
W
W W
W
W BK
FOR INDOOR MODEL
ONL
Y
ANTI-FROST HEA
TER
T H E R M O C O U P L E
(BLUE)
(RED)
(RED)
R
W
CONTROL
BA
TH
BA
TH
CONTROL1
CONTROL2
LED
FLAME ROD1 FLAME ROD2 FLAME ROD3
THE CONNECT
ORS OF DUAL
AND MUL
TIPLE
ARE
INTERAPPLICABLE T
O
THE
BODY
CONNECT
ORS EACH OTHER.(RED)
A wiring diagram is also located on the inside of the front cover panel.
Slightly different by model and serial number.