Rinnai EX22C (RHFE-559FTA) User Manual
Rinnai Corporation EX17C / EX22C Manual
33
Ladder
Diagram
MARK PART
NAME
MS
MAIN SWITCH
R.TH
THERMIST
OR
TF
THERMAL
FUS
E
F FUSE
ER ELECTRO
D
E
P
O
V M
O
D
U
LAT
IN
G
SO
LE
NO
ID
VALVE
TR
TRANSF
ORME
R
FR
FLAME
R
O
D
MARK PART
NAME
O
H
.TH
O
VER HEAT THERMISTOR
O
H
S1, 2
O
VER HEAT SWITCH 1, 2
FM
CONVEC
TI
ON F
A
N MOT
O
R
SP SPARKER
SV1, 2
MAIN SO
LENO
ID
VALVE 1, 2
BL
COMBUS
TION F
A
N MOT
O
R
FCC
FAN
C
O
NT
ROL
CIRCUI
T
MB MAIN
BURNER
PS
PRESSURE SENSO
R
CPU
CENTRAL P
R
OCESSING
UNIT
CF
CONVEC
TI
ON
F
A
N