Chapter 1 – Safety
Page 1-2 TestEquity 1007C Temperature Chamber
Operation Safety Notices
! CAUTION: This chamber has a crankcase heater to protect the high-stage compressor. The
chamber must be connected to the power source AND the Main Disconnect
Switch must be ON for 3 hours prior to operating the chamber. Although it
may be safe to use the chamber immediately, this procedure ensures the
longest possible life for the high-stage compressor if the chamber has been
removed from the power source for more than 24 hours.
! CAUTION: The “Series F4 User’s Manual” is a general manual and is written by the
manufacturer, Watlow, for a wide variety of applications and configurations.
Not all features or functions are applicable. Only the capabilities of a model
F4SH-CKA0-01, as described on page A.7 of the “Series F4 User’s Manual”
are applicable. “Cascade Control” as described on page 3.6 of the “Series F4
User’s Manual” is not applicable in this configuration. The “Retransmit”
function is available as an option.
! CAUTION: The Series F4 “Alarm” functions are NOT used in the chamber’s safety
system and are NOT connected. TestEquity does NOT recommend using the
Series F4 alarm function as the main protection device. The independent
EZ-Zone Limit Controller functions as the main protection device.
! CAUTION: The Series F4 Temperature Controller has been properly configured by
TestEquity to match the chamber’s system requirements and to perform
optimally over a wide range of operating conditions. Improper modifications
to these setup values can result in erratic performance and unreliable
operation. Setup examples in the “Series F4 User’s Manual” are NOT
applicable to this chamber. Do not attempt to modify the setup values, unless
you thoroughly understand what you are doing. If there is any doubt, please
call TestEquity before proceeding.
! CAUTION: NEVER select “Full Defaults” in the Series F4 Controller’s Factory/Test
Menu. This will erase all the correct values which are documented in the
“Series F4 Temperature Controller Setup Parameters” section of this manual.
! CAUTION: The EZ-Zone Limit Controller has been properly configured by TestEquity to
match the chamber’s system requirements. Improper modifications to these
setup values can result in unreliable and unsafe operation. Do not attempt to
modify the setup values, unless you thoroughly understand what you are
doing. The correct values are documented in the “EZ-Zone Limit Controller
Setup Parameters” section of this manual.
! CAUTION: Always verify that the Limit Controller’s high and low limits are set to
temperatures that are appropriate for your test sample.
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