Wiring Diagram Ph28/Ph28A - Defensor H15A Service Manual

6.3

Wiring diagram PH28/PH28A

U1
+5V
4
3
X14
2
1
S5
X23
S4
X22
S3
X21
1
U2
X17
2 1 5 4 3 2 1
X10 X13
U3
B3
S1
B1/B2 Ionisation electrodes
B3 Level switch
F1 Fuse control board (1.25 A, slow acting)
M1 4-step fan
M2 Drum motor
P1 Potentiometer display contrast
S1 Safety switch
S3 Micro switch carriage/blanking cover
S4 Micro switch air intake grill 1
S5 Micro switch air intake grill 2
Keypad&LED
P1
X16
X9
X9
1 10
7 1 1
2 1 1 2 1 2 3
X12 X6 X5
X5
B1 B2
+24V
Y1
Y2
PH28
X15
1
2
3
4
5
X4
6
7
8
9
10
1
2
3 X3
4
5
T1
1.25 AT
L1
L
F1
X1
N
PE
U1 Internal humidity sensor
U2 Radio receiver (option)
U3 External radio humidity sensor (option)
T1 Transformer control board
T2 Transformer fan
X5 Error contact, max. 250 VAC
X9 Programming interface
Y1 Inlet valve (PH28A only)
Y2 Inlet safety valve (PH28A only)
T2
St. 1 (ws) 122 V
St. 2 (rt) 146 V
St. 3 (gu) 172 V
St. 4 (sw) 230 V
C2 (bn)
N (bl) M
C1 (ge)
PE (gn/ge)
PE
PE
M2
P (bl)
M
N (sw)
PE (gn/ge)
L1 L1
115 VAC
L L
230 VAC
N N
PE PE
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