4. Service procedures
(G)Change the shift temperature in heating mode (Ref. Fig.
❏If the indoor unit is installed at high location (ex. ceiling level), the thermostat tends to turn off at heating mode because of the hot air temperature around ceiling level. In order to solve the problem, the shift temp. (valid while heating only) is set when shipped from factory.
❏If the shift temp. is not enough (ex. the indoor unit is installed at position higher than 3 m), the shift temp. can be set with remote controller from 0 to +10 deg (°F) <from 0 to 20 deg (°F)>. manually as follows:
aPress the 
+ 
buttons at same time for more than 4 seconds.
bIn case of group control, if you want to change all units in group control collectively, pro- ceed next step remaining ALL displayed.
If you want to change a unit individually, select the indoor unit address (UNIT No.) with 
button.
cSelect the CODE No. 06 with 
, 
( 
) button.
dChoose the shift temp with 
, 
( 
) button.
ePress the 
button.
CODE No. 06, SET DATA and 
change from flashing to ON state.
fIf you made a mistake, press the 
button.
gFinally, press the 
button.
a
c
d
eb
1933_M_I
Fig.
4 |
SM830082
IV - 27
