Routine Maintenance
70 CLCH-SVX009L-EN
• Horizontal units equipped with a housed fan, low limit
switch can be accessed through the fan access door (see
Figure 70).
• Vertical units with housed fans, low limit switch can be
accessed through the fan access door (see Figure 71).
• Vertical unit with motorized impeller fan access through
coil door.
• Horizontal units equipped with a direct-drive plenum fan,
the low limit switch can be accessed through the fan
access door. For sizes 3, 6, 10 and 12, see Figure 73.
Figure 70. Resetting low limit switch for horizontal
units with housed fans
Figure 71. Resetting low limit switch for vertical units
Low limit
freeze stat
Note: Fan access door
removed for clarity
Low limit freeze stat
Note: Fan access door
removed for clarity only
Figure 72. Resetting low limit switch for vertical
motorized impeller fans
Low limt freeze stat
Note: Fan and coil access
doors removed for clarity
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