TENNEY ENVIRONMENTAL
Tenney Junior Test Chambers: Models TJR and TUJR, W942, or WF4
Page 36
Important! Make sure the Installation Instructions have been properly followed before operating
the chamber. All switches should be in the OFF position before starting the sequence below.
Chambers Without Watlow 93 TempGard IV Option:
1. Plug the chamber power supply cord into your power supply receptacle. Turn on the power source to
the chamber (Customer supplied disconnect, or circuit breaker). The display of the main controller
should be illuminated.
2. Load product and make sure the door is securely closed.
3. Enter the desired temperature program, or manual setpoints into the main controller.
Important: Check to see if any features or optional equipment must be turned on with an Event Output
from the main controller. If an Event Output were supplied, a Controller Event Output Label with the
Event Output listing would be installed on the side of the chamber. Event Outputs are described either
in one of the various “Option” sections, or in the “Temperature Controller - Conditioning Control
Functions” section for unique applications.
Reference the corresponding ‘Option’ section for a description of any optional feature.
4. Close the Power switch on the main controller panel. The switch green ON light should illuminate. The
conditioner fan will start, and chamber conditioning will begin.
Chambers With Watlow 93 TempGard IV Option:
1. For Model TJR Only: After mounting the TempGard IV box on top of the chamber Make sure you
have connected the RTD wires to the Watlow 93 Controller and have reinstalled the top enclosure to the
TempGard IV unit.
Plug the chamber power cord into the TempGard IV receptacle, which is located on the back of the
TempGard IV enclosure. Plug the TempGard IV power cord into your power supply receptacle. Turn on
the power source to the chamber (Customer supplied disconnect, or circuit breaker).
For Model TUJR Only: Plug the chamber power supply cord into your power supply receptacle. Turn
on the power source to the chamber (Customer supplied disconnect, or circuit breaker).
2. Press the Chamber Power pushbutton on the TempGard IV panel. The Normal light and the displays of
the main controller and the Watlow 93 should be illuminated.
3. Load product and make sure the door is securely closed.
4. Enter the desired temperature program, or manual setpoints into the main controller.
Important: Check to see if any features or optional equipment must be turned on with an Event Output
from the main controller. If an Event Output were supplied, a Controller Event Output Label with the
Event Output listing would be installed on the side of the chamber. Event Outputs are described either
in one of the various “Option” sections, or in the “Temperature Controller - Conditioning Control
Functions” section for unique applications.
Reference the corresponding ‘Option’ section for a description of any optional feature.
19.0 SEQUENCE OF OPERATION
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