Initial Sta rt-up and Service
35
Initial Start-up
Annual shut-down
If boiler is used for comfort heating only
and not used with an indirect-fired
domestic hot water storage tank, the
boiler/heating system should be shut
down during the summer.
1. Turn down operating control
(thermostat).
2. Disconnect main power switch.
3. Close main gas shut-off valv e and
turn knob on gas valve to “off” (see
Figs. 1 1 on page 26 and the Lighting
and Operating Instructions on page
51).
Viessmann indirectly heated s t ainless
steel DHW tanks may be used with the
Vitogas 050, ECV boiler for domestic
hot water production. Consult your
Viessmann representative for
assis t ance.
ATTENTION
Advise the owner/operator
1. Advise the owner/operator of the
proper system operation sequence.
2. Explain the equipment as well as the
need for combustion air.
3. Demonstrate an emergency
shut-down, what to do and what not.
Refer to lighting instructions on
page 51.
4. Explain that there is no substitute for
proper maintenance to help ensure
safe operation.
Before leaving jobsite:
Fill in and sign warranty card for boiler
and hand over to owner for record
keeping.
5167 450 v1.4
If system is shut down during the
heating s eas on and subject to
freezing temperatures and is not filled
with antifreeze for protection, the
sys t em including t he boiler must be
drained of water. Valve before
automatic feed valve (if installed)
must be closed; any other valves, air
vents and drain valves must stay
open after servicing.
CAUTION
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