16
Wiring Diagram HTL 150 FB
F1-3 = Power fuses
F4 = Motor protection switch
F5 = Back-up fuse (plug)
F6 = Control fuse
H3 = Operating light (heating)
H4 = Malfunction light (burner)
H5 = Operating light (fan)
H6 = Malfunction light (fan)
H7 = Malfunction light
(temperature limiter)
H8-10 = Control lights (phases)
H11 = Control light (control phase)
K1M = Fan contactor
K5-6 = Contactor for phase sequence relay
K7 = Auxiliary relay
KX5-6 = Phase sequence relay
KB = triple combination control
M1 = Fan motor
P1 = Operating hours counter
RT = Room thermostat socket
S1 = Operating switch
S2 = Burner reset
STB = Safety temperature limiter
TR = Temperature control thermostat
TW = Temperature monitor
X0 = Connection cable with 16A plug
X1 = Terminal strip in control box
X2 = Terminal strip PE
X3 = Terminal strip in terminal box (front)
We reserve the right to make changes to dimensions and design in the interest of technical progress.
63
X1 NX1 10
t
2
1
3
t
t
102
K7
H4
H7 H3 H6
1
N
L1
F4
RT
STB
A1
A2
154
X1 8X1 12X1 11
X1 7
X1 5
X1 4
X1 6
TW
rot
rotgrünrot
Störlampe
Brenner
Störlampe
Ventilator
Betriebslampe
Heizen
Hilfsrelais
F6
K1M K6
H5
grün
P1
h
A1
A2
A1
A2
A1
A2
K5
Phasenfolge
Relais
Ventilator
Schütz
Betriebslampe
Ventilator
Betriebs-
stunden-
zähler
123456
X1:4 X1:5 X1:8 X1:7 X1:6X2
STBTWTR
KB
Dreifach-Kombinationsregler
KX6 KX5
K6 K5
K1M
6A
11 11
14 14
62 52
61 51
13
14
12 14
95 97
98
96
X3 1X3 5X3 4
156
Brennerstecker (WS)
23
L1T2T1
X3 6X3 3
7
X1 13
4
X3 7
S3 B4N
TR
4
2
1111
S1
1=Heizen
2=Lüften
8
S2
Brenner-
Reset
Störlampe
Temperatur-
begrenzer
1 = heating
2 = ventilate
malfunction light
burner
burner reset auxiliary
relay
operating
light
heating
malfunction light
temperature
limiter
malfunction
light fan
operating
hours counter
operating
light fan
fan contactor contactor for
phase sequence
relay
burner plug (WS)
red red green green
triple combination control
phase sequence relay
control circuit
& burner
power socket
near the burner
H8-10
green
F1-3
16A retarding
green
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