Figure 2-5. Repeating timer interconnection diagram.
i. Heating and Air-Conditioning System
registers of the louvres in the open or closed position
Do not operate the space heater unless the
according to weather conditions.
exhaust pipe is installed in a vertical
. Set the heating
position with the opening at the top.
thermostats (fig. 1-18) to desired temperature according
to weather conditions.
g. Space Heater Exhaust Pipe and Condensate
k. Door Safety Lock Releases. With the entrance
Remove the space heater exhaust cap (fig. 5-1) and the
door and escape door locked from the outside, remove
condensate drain cap and install the exhaust pipe.
the thumbscrew (fig. 2-6) on the inside of each door to
determine that the door safety lock releases are
Check to see that the refrigerator line
plug is connected to circuit 4 (fig. 1-
l. Equipment Covered by Manuals Stored in
Darkroom File Cabinet.
Refer to the equipment
With a screwdriver, set the
manuals stored in the darkroom file cabinet for
temperature control (fig.
components of the darkroom not covered by technical
checking the temperature against a thermometer (fig. 1-