Honeywell DCP551 Mark ΙΙ User Manual page 4

WARNING
Be sure to turn off the power supply when you are installing or
removing the controller.
Failure to heed this warning may lead to electric shock.
Do not disassemble the controller as this could lead to electric shock
or malfunction.
Connect the FG terminal to ground with a ground resistance of maximum
100 Ω before connecting other equipment and external control circuits.
Failure to do so may cause electric shock or fire.
Be sure to turn off the power supply when you connect the controller.
Failure to do so may lead to electric shock or fire.
Do not touch a live part such as a power terminal.
This may result in electric shock.
CAUTION
Be sure to follow the operating requirements (regarding temperature, humidity, voltage, vibration,
shock, mounting direction, atmosphere, etc.) as stated in the specifications of the controller.
Failure to heed this caution may lead to fire or malfunction.
Do not block ventilation openings.
Failure to heed this caution may lead to fire or malfunction.
Make sure that wire scraps, chips or water do not enter inside the case of the controller.
Failure to heed this caution may lead to fire or malfunction.
Do not use pointed objects such as mechanical pencils or pins to press
the keys on the controller.
This may result in malfunction.
Connect the controller as specified using designated cables and connec-
tion procedures.
Failure to heed this caution may lead to electric shock, fire or malfunction.
Current applied to current input terminals (55), (56) and (58), (59) must
meet the specified range.
Failure to heed this caution may lead to fire or equipment breakdown.
All terminal screws shall be tightened to specified torque.
Improperly tightened screws may lead to electric shock or fire.
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