Electrical Wiring Diagram - Buderus Logamax plus GB162-L.B. 80 kW Installation Instructions Manual

7.3

Electrical wiring diagram

CAUTION:
Wiring errors can cause improper and dangerous operation.
▶ Label all wires prior to disconnection when servicing.
▶ Verify proper operation after servicing.
Logamax plus GB162-80 kW/-100 kW
1
orange/white
white
blue
grey
orange
white
white/black
orange/white
black
blue
red
white
brown
black
red
22
24
orange/white
brown
grey
blue
blue
orange
orange
red
red
65
grey
66
grey
50
78
8 7 6 5 2 1
8 7 6 5 2 1
8 7 6 5 4 3 2 1
orange blue
naranja azul
orange bleu
16 17 18 19 20 21 22
Fig. 48 Electrical wiring diagram
[1] 81-pole connector (AC 0, 10, 24 and 230 V)
[2] 16-pole connector (AC 120 V)
[3] Connection for pump in connection kit (accessory)
[4] Fan
[5] Gas valve
[6] Transformer
[7] Glow ignitor
[8] Earth
Logamax plus GB162-L.B. 80 kW / 100 kW – 6720645916 (2014/10)
3
4
5
6
7
8
9
Pin
Patilla
Broche
10
11
12
1
13
14
Pin
Patilla
Broche
External connection for professional use / Conexión para expertos técnicos /
Connexion externe pour l'enterprise d'entretien spécialiste
green grey red turqoise
verde gris rojo turquesa
green
vert gris rouge turquoise
verde
vert
23 24
120 VAC
brown
blue
green/yellow
blue
green/yellow
120 VAC
brown
blue
120 VAC
black
120 VAC
brown
120 VAC
brown
blue
en es fr
black negro noir
blue
blue azul
brown brun
marrón
green verde vert
gris
grey gris
orange naranja orange
red rojo rouge
white blanco blanc
yellow amarillo jaune
2
grey lilac white
gris lila blanco
gris lilas blanc
29 30
25 26 27 28
Electrical connections
[9] Ionization
[10] Pressure sensor
[11] Return sensor
[12] Safety-temperature sensor
[13] Supply sensor
[14] Flue gas sensor
[15] Fuse (5 amp. FAST, sand filled)
[16] BUS function modules
[17] Connector for BC10 Basic
Controller
[18] Room controller RC and EMS bus
2
[19] Outdoor temperature sensor
[20] On/off temperature controller
(potential free)
[21] DHW sensor
[22] External switch contact
(potential free, e.g. floor
heating)
[23] External 3-way valve
[24] Boiler pump (120 VAC, max.
100 W)
[25] DHW pump (pump 120 VAC,
max. 100 W)
[26] DHW re-circulation pump (pump
120 VAC, max. 100 W)
[27] Main power connection 120 V/
60 Hz, max. permissible 5 A
[28] Mains switch
[29] 120 VAC function module
[30] Ground
IMPORTANT
The wires in this mains lead are colored
15
in accordance with the following code:
GREEN AND YELLOW - EARTH; BLUE -
NEUTRAL; BROWN - LIVE
As the colors of the wires in the mains
lead of the appliance may not
correspond with the colored markings
identifying the terminals in your
connector proceed as follows:
The wire colored green and yellow must
be connected to the terminal on the
connector marked with the letter E or
by the earth symbol
green or green-and-yellow. The wire
colored brown must be connected to
the terminal marked with the letter L or
colored red. The wire colored blue must
be connected to the terminal marked
with the letter N or colored black.
WARNING
6 720 646157-45.1N
THIS APPLIANCE MUST BE EARTHED
Ensure that your appliance is
connected correctly - if you are in any
doubt consult a qualified electrician.
For location of individual components,
see service section and the exploded
views in this manual.
7
or colored
29