Mars Comfort-Aire Century MCB18 SA Series Installation And Owner's Manual page 27

Wired Controller IOM - VCDxxSA
9. Operation
Rot at ion & Back-up indicat ion
When there are two units, press the button to select the rotating
function, and press "Con rm"to turn on or o the rotating function.
1. Press "Confirm" to set the rotating time,then press the button
" "or " " to set time. Setting time Range :1~99h,the default
time is 10 hours.
2. Step 2 set high temperature co-open temperature -- or 79-89
degrees -- that is, this function is invalid. When the ambient
temperature is 79-89 degrees, when the ambient temperature is
greater than or equal to the set temperature, the two machines
will run 75 degrees at the same time in the COOL mode.
3. Step 3 set the low-temperature co-open temperature -- or
41-59 degrees -- that is, this function is invalid. When the ambient
temperature is 41-59 degrees, when the ambient temperature is
lower than the set temperature, the two machines will run at the
same time for 75 degrees to make the heating mode.
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