A.O. Smith CAHP-MC-38 Installation, Operation And Maintenance Instructions page 34

Operation
Move to "CURRENT TIME
SETTING" by pressing the
Up/Down button,
then press SELECT button to start
this setting process.
The " " interface will
TIME SETTING
be displayed subsequently. Move
to the correlative parameter by
pressing the Up/Donw button
and the selected parameter
would be highlighted by white
background. Press the MODIFY
button to start the modification
process or press the BACK button
to cancel the modification.
Modify the paramater by
pressing UP/DOWN button when
the parameter is highlighted in a
black frame. Then press the
ENTER button to save the new
setting or press the CANCEL
button to cancel the
modification.
The new setting will be sent to
the MCB of heat pump unit 1 if
the ENTER button is pressed in
the previous step and the UIM
will display "COMMAND
SENDING ... "
Current Time Setting
Display
U S E R S E T T I N G
S U M M E R S E T P O I N T
W I N T E R S E T P O I N T
A U T O O N / O F F S E T T I N G
A U T O O N / O F F E N A B L E
C U R R E N T T I M E S E T T I N G
S E L E C T B A C K
T I M E S E T T I N G
D A Y ：
T I M E ：
M O D I F Y
T I M E S E T T I N G
D A Y ：
T I M E ：
E N T E R
T I M E S E T T I N G
D A Y ：
T I M E ：
C O M M A N D S E N D I N G ...
T I M E S E T T I N G
D A Y ：
T I M E ：
S U C C E E D E D ！
4 6 ℃
5 3 ℃
O F F
H E L P
M O N D A Y
12 : 00
B A C K
T U E S D A Y
12 : 00
B A C K
T U E S D A Y
12 : 00
The modification is
successful if the UIM
display "SUCCEEDED!".
T U E S D A Y
12 : 00 If the UIM display
"FAILED!", it indicates the
modification is
unsuccessful, please check
the communication
between the central
controller and the heat
pump units.
Description