Mars Comfort-Aire Century MCB18 SA Series Installation And Owner's Manual page 9

Wired Controller IOM - VCDxxSA
3. Inst allat ion met hod
NOTE: Put on a at surface. Be careful not to distort the
back plate of the wire controller by overtightening the
mounting screws.
4. Bat t ery inst allat ion
• Put the battery into the installation site and make
sure the positive side of the battery is in accordance
with the positive side of installation site.(See Fig.3-5)
• Please set the time correctly the first time batteries
are installed. Batteries in the wired controller can
keep time under power failure which ensures the
time is right. When the power restores, if the time
displayed is not correct, it means the battery is dead
and you need to replace the battery.
Fig 3-5
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