Bench Top User’s Manual
Installation
5.2.2 Primary Power Supply Connections
The chamber is connected to the primary power supply via the power cable. It is also grounded to prevent
noise from infiltrating electronic circuits and to protect users against electric shock which can result from
leakage current.
EXPLOSION! DO NOT ground the equipment on gas pipes.
Grounding of this sort could result in explosion.
Ground the equipment PROPERLY
ELECTRICAL SHOCK! Unless the equipment is grounded, overcurrent
and short circuit protective devices cannot operate properly, possibly
resulting in electric shock. This will also leave the equipment unprotected against power supply
noise.
Procedure:
1. Use power cable provided or fabricate your own cable using the power requirements on the schematic
and your local codes for wire sizing.
2. Plug the cable into the chamber receptacle.
3. Plug the chamber into the power receptacle.
4. The Watlow F4 will power up immediately. The controller will display the current conditions in the cham-
ber. The chamber alarm indicator will be illuminated. This is normal upon initial power-up of the cham-
ber. Refer to “Operation” on page 31 for chamber operation.
UNPLUG the chamber!
When maintenance is performed on the chamber, unplug the chamber
from the power receptacle and unplug both the specimen and time
signal plugs from the option panel. This is the only safe method in
making sure there is no electrical power anywhere on the chamber.
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