Safety Instructions; Initial Start-Up - Viessmann Vitocell-V 100 200 Service Manual

General information/Initial start-up

Safety instructions

Please follow these safety instructions closely to avoid the risk of injury to persons and damage to property.
The safety instructions also apply in conjunction with heat generators.
Work on the equipment
Installation, initial start-up, mainte-
nance and repairs must be carried
out by a competent person (heating
engineer/service contractor). (See EN
50 110, Part 1, and VDE 1000, Part 10.
(GB): British Standards codes of
practice).
Before work is undertaken on the
equipment/heating system, the
mains voltage must be switched off
(e.g. at the separate fuse or mains
electrical isolator switch) and
measures taken to prevent it from
being switched on again.
Disconnection must be carried out
by means of an isolating device
which simultaneously isolates all
non-earthed conductors with at least
3 mm contact separation.
When carrying out work which in
volves opening up the control unit,
no static discharge should be al
lowed to take place through the in
ternal components.

Initial start-up

2
Gas installation work
Gas installation work must be carried
out by an approved installer (GB:
registered with C.O.R.G.I.).
The requirements for starting up
gas-fired systems and LPG-fired sys
tems, as defined in TRGI'86/96 and
TRF 1996 respectively, must be com
plied with.
Repairs
It is not permitted to carry out re
pairs on parts which serve a safety
function.
Defective parts must be replaced
with the appropriate Viessmann pro
prietary components or equivalent
parts which have been approved by
Viessmann.
Initial start-up
The initial start-up must be carried
out by the installer of the system or a
commissioning engineer designated
by him; all readings should be re
corded in a commissioning report.
Please refer also to the operating instructions regarding start-up
of the domestic hot water cylinder.
¨ Safety instruction!
Connections on the heating water side must not be opened while the DHW
cylinder is pressurized.
Ensure that the air vent valve is always open when draining the DHW cylinder
with a suction pump.
1. Fill the secondary circuit of the
DHW cylinder with water.
2. Check screwed connections on the
heating water and domestic hot
water side for leaks, and re-tighten
if necessary.
3. 750 litres storage capacity and
above only:
Check the sensor wells for leaks
and re-tighten if necessary.
4. Check function of safety valves in
accordance with the manufactu
rer's instructions.
Instruction of the system user
The installer of the system is re
quired to give the system user the
operating instructions and show him
how to operate the system.
¨ Safety instruction!
This heading in these instructions
denotes information which must be
observed to safeguard persons and
property.
This symbol indicates a ref
erence to other instructions
which must be observed.
Please note:
Up to 500 litres storage capacity:
When the DHW cylinder is pressur
ized, re-tighten the flange cover to
a torque of 25 Nm.
From 750 litres storage capacity:
It is not necessary to re-tighten the
flanges.