Viessmann Vitobloc 200 EM-50/81 Operating Instructions Manual page 5

Instructions for operating the CHP
Article § 5(1)1a of the Equipment & Product Safety Act (GPSG):
What risks may arise during usual or reasonably predictable operations?
source of danger:
switchgear:
feeder circuit-breaker
alternator contactor
power cable
terminal X1/7,8,9
contactors and relays
alternator:
power and control connec-
tions
covers and cowl panels
engine:
engine block
oil pan
cooling water pipes
oil test nipple (snap closing)
rotating engine parts
ignition:
ignition coils
ignition cables
spark plugs
battery:
battery terminals
battery acid
observe the battery safety instructions. (see chapter: 2.8)
fan:
rotating fan wheel
gas pipes:
screwed gas pipe connections
test nipples
exhaust gas pipes:
exhaust gas pipes
adapter socket
Table 1 CHP module hazard warnings
VITOBLOC 200 Operating instructions for the natural gas-fuelled CHP module
dangerous activity:
removal of covers
reaching under the covers
connecting work at terminals
caution, external voltage.
terminals may still be live during connec-
tion work, although the feeder circuit-
breaker has been switched off
relays or contactors being switched
manually
removing the cover sheets of the termi-
nal boxes
touching terminals and control PCBs
removal of covers
or reaching under the covers
inserting objects into the ventilation slits
touching the hot machine
opening various shut-off or drain cocks
operating the check ball
touching
loosening ignition cables
removing spark plugs
removing the terminal covers
placing metal objects on the terminals
opening the battery chambers
opening the covers,
reaching into the fan wheel
opening various crewed connections
opening test nipples
opening various exhaust gas flanges
opening adapter sockets
touching un-insulated exhaust gas pipes
touching un-insulated adapter sockets
consequence:
life-endangering electric shock
life-endangering electric shock
undefined circuits causing considera-
ble damage (to motor/alternator)
danger of short circuit and, possibly,
electric shock
life-endangering electric shock
life-endangering electric shock
risk of injury
mechanical damage to the engine
alternator
risk of burns
scalding from discharged cooling
water
scalding from discharged engine oil
risk of injury
life-endangering electric shock (high
voltage)
damage to the engine
short circuit and risk of burns
risk of explosion
risk of chemical burns
risk of injury
gas leakage
risk of explosion
exhaust gas leakage
risk of poisoning
risk of burns
5