– 27 –
BLOCK AND WIRING DIAGRAM
WIRING DIAGRAM
BLOCK DIAGRAM
SW6. DIP SWITCH
TB1
SUB-P.C.B
SW1 FM. ADJUST SWITCH
〔
Hi
〕
SW2 FM. ADJUST SWITCH
〔
Lo
〕
SW3 POV. PRESSURE ADJUST SWITCH
〔
Hi
〕
〈
SHORT CIRCUIT PATTERN
〉
2, 3 SHORT: FOR DIRECT EXHAUST
1, 2 SHORT: FOR EXTENSION KIT
(FROM 1.8 m TO MAX LENGTH)
SW5. TEST SWITCH
SW4 POV. PRESSURE ADJUST SWITCH
〔
Lo
〕
TH
TB2
AC
ER
SP
230V
AC
24V
OH.TH
INDICATOR
OPERATION P.C.B
ON/OFF BUTTON
H
2
H
1
H
3
OHS
FR
TR
130
℃
TF
TF
OHS
OHS
No 3
〔
130
℃〕
No 1
〔
130
℃〕
No 2
〔
90
℃〕
〔
152
℃〕
44
45
43
46
39
40
31 32 33
24 25
27 28
23
29 30
21
22
19
15
〔
F
〕
3A
16
17
18
20
12
13
9
1 2 3 4
1 2 3
1 2 3
8
OFF
26
38
37
34 35 36
41
42
I
J
J
1
A
D B
C
H
F
G
E
E
1
SV
1
SV
2
POV
BL
FM
r
r
r
r
r
r
r
r
bl
bl
bl
bl
bl
bl
y
y
Y
y
y
y
Y
y
w
w
bl
w
r
w
bk
bk
bk
bk
br
bk
bk
or
or
gr/y
w
w w
w
w
r
r
47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71
bl bl bl
bl
bl
bl bl bl
bl
W
w
w
w
w
w
w
w
w
w
W
w
gr/y
gy
gy
gy
gr/y
gy
gy
gy
gy
gy
5
4
7
6
K
w
bk
w
bk bk
r
r
INDICATOR
CONTROL DISPLAY UNIT
CONTROL DISPLAY CIRCUIT
TEMP
CONTROL
CIRCUIT
CENTRAL TIMER
CONTROL
CIRCUIT
CENTRAL TIMER
CONTROL
SUB-P.C.B
TH
AC24V
TB1
556T
OH.TH
OH.TH
Hi
Lo
135°
C
110°
C
OHS2
90°
C
OHS1
130°
C
OHS3
130°
C
TF
152°
C
AC230V
F(3A)
TRANSFORMER
POWER
SUPPLY
CIRCUIT
CONVECTION
FAN
CIRCUIT
CF
FM
TB2
BL
FCC
COMBUSTION
FAN
CIRCUIT
IGNITION
CIRCUIT
FLAME
ROD
CIRCUIT
MODULATING
VALVE
CIRCUIT
GAS
SV1
SV2
POV
FR
ER
SP
MAIN
BURNER
C P U
MS
SAFETY
TIMER
CIRCUIT
SOLENOID
VALVE
CIRCUIT
MARK
MS
RC
TH
TF
F
CF
FCC
ER
POV
TR
PART NAME
MAIN SWITCH
REMOTE CONTROL
THERMISTOR
THERMAL FUSE
FUSE
CONVECTION FAN
FAN CONTROL CIRCUIT
ELECTRODE
MODULATING SOLENOID VALVE
TRANSFORMER
MARK
RCR
TB1
〜
2
OH, TH
OHS1
〜
3
FM
BL
SP
FR
SV1
〜
2
CPU
PART NAME
REMOTE CONTROL RECEIVER
TERMINAL BLOCK
OVER HEAT THERMISTOR
OVER HEAT SWITCH 1
〜
3
FAN MOTOR
COMBUSTION FAN MOTOR
SPARKER
FLAME ROD
MAIN SOLENOID VALVE 1
〜
2
CENTRAL PROCESSING UNIT
CODE
pl
y
w
gr/y
gy
bl
r
bk
or
br
gr
COLOUR
purple
yellow
white
green/yellow
grey
blue
red
black
orange
brown
green
Summary of Contents for Energysaver RHFE-556T
Page 36: ...Jan 2006 556F 2190...