Wiring - Toshiba LF654 Instruction Manual

5.Wiring

Safety Precautions for Wiring
DO NOT DISCONNECT WHILE CIRCUIT IS LIVE UNLESS LOCATION IS KNOWN
TO BE NONHAZARDOUS.
Live part of electric circuit or a high temperature department can cause explosion.
DON'T
Do not active live circuits While assembly of all components is not over.
Protective performance degradation for hazardous location can cause explosion.
DON'T
Install per the National Electrical Code for the US (NEC, ANSI/NFPA 70) and the
Canadian Electrical code for Canada (CEC, CAN/CSA-C22.1) and the drawing 3S8A2676,
3S8A2677 (Refer to Appendix 1 and 2.).
Unsuitable conduit connections for hazardous location can cause explosion.
DO
Install a switch and fuse to isolate the LF654/
LF620F and LF654 from mains power.
Power supply from mains power can
cause electric shock or circuit
break-down.
DO
Do not work on piping and wiring with wet
hands.
Wet hands may result in electric
shock
DON'T
Do not conduct wiring work with bare hands.
Remaining electric charge even if
power is turned off can still cause
electric shock.
DON'T
Do not modify or disassemble the LF620F
and LF622F unnecessarily.
Modifying or disassembling this
product can cause electric shock,
malfunction of or damage to this
DON'T
product.
Flowmeter accuracy may be affected by the way wiring is executed. Proceed with correct wiring taking
the precautions in following pages.
Phone: 800.894.0412 - Fax: 888.723.4773 - Web: www.clrwtr.com - Email: info@clrwtr.com
WARNING
CAUTION
Turn off mains power before conducting wiring
work.
Wiring while power is applied can cause
electric shock.
DO
Ground the LF620F independently from power
equipment. (100 ohm or less ground resistance)
Operating this product without grounding
can cause electric shock or malfunction.
DO
For the power supply wiring and grounding wiring,
use crimping terminals with insulated sleeve.
There is a risk of electric shock due to
drop-off or loosing, and a risk of fire and
equipment trouble due to heat generation.
DO
The label shown left is placed near the
power supply terminal on the
converter.
Be alert to electric shock.
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