Viessmann GC1 Installation And Service Instructions

94
Installation
Power supply
Regulations
Carry out the power supply connection and all earthing measures (e.g. fault
current circuit) in accordance with IEC 364, the requirements of your local
electricity supplier, VDE regulations or local regulations. Protect the power
supply cable to the control unit with an appropriate fuse.
Mains isolator requirements (if necessary)
For combustion equipment to DIN VDE 0116, the mains isolator fitted on site
must comply with the requirements of DIN VDE 0116 "Section 6" [or local
regulations].
Install the mains isolator outside the installation area. It must simultaneously
isolate all non−earthed conductors with at least 3 mm contact separation.
Recommended power supply cable (on site)
3core cable:
H H05VVF3G 1.5 mm
2
H H05RNF3G 1.5 mm
2
A Mains voltage 230V~/50Hz
B Fuse
C Main isolator, 2−pole (on site)
D Junction box (on site)
1. Check that the power supply cable
to the control unit is protected
with the correct fuse.
2. Connect the mains supply cable
inside the junction box (on site)
and in plugfÖ.
¨
Danger
Incorrect core allocations can
cause major damage to the
equipment.
Do not interchange cores "L1"
and "N":
L1: brown
N: blue
PE: green/yellow
3. Insert plug fÖ into the control
unit.
Colour coding to DIN IEC60757
BN brown
BU blue
GNYE green/yellow
5862730GB
D
L1
PE
N
A
B
C

Viessmann GC1 Specifications

General

Brand	Viessmann
Model	GC1
Category	Control Unit
Language	English