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114 SSCI - Suburban Surgical Company, Inc.
Chapter 5 - Repairs & Replacements
9. Remove the plastic cover from the
thermostat.
10. Using tags, masking tape, or any other
convenient means, tag each of the six wires
on the thermostat by their terminal numbers
as shown in Figure 126. Failure to
mark the wires will make it difficult
to connect them correctly later.
11. With a Phillips screwdriver, dis-connect all
six wires, and pull them out of the thermostat.
12. With a small flat-blade screwdriver, pry out
the rubber grommet from the hole through
which the six wires passed (Figure 127).
Save the grommet for re-installation.
13. With a Phillips screwdriver and a 3/8-in.
wrench, remove the four screws/nuts that
hold the bracket to the thermostat
(Figure 128), and separate the two parts.
14. With a knife or small cutter, cut the wire tie
that holds the copper capillary tubing to the
adhesive tie-mount on the partition
(Figure 129).
15. With a Phillips screwdriver, unscrew and
remove the two screws that hold the bulb
holder to the partition.
16. In the filter/fans compartment, use a knife
or small cutter to cut the two wire ties that
hold the temperature sensor bulb to the
bulb holder (Figure 130).
17. Slide the bulb holder out through the
partition.
18. Slide the sensor bulb out through the
partition.
19. Remove the complete thermostat assembly
from the unit.
Figure 128. Bracket/Thermostat Nuts
Bracket
Nuts
Bracket
Figure 127. Rubber Grommet
Thermostat
Rubber
Grommet
Figure 126. Thermostat Wire Connections
Terminal
20
(1 wire)
Terminal
4
(2 wires)
Terminal
19
(1 wire)
Terminal
15
(2 wires)