Service manual

11-9
CONTROL SYSTEM
SM DUO38 1-E.1 GB
11.17.6.2 Deicing Protection Procedure
T1 = T2 = 36 seconds, T3 = 6 seconds
11.17.7 Condensate Water Over Flow Protection
Each of the pins P1, P2, P3 can have two options:
1 – When it is shorted with P4
0 – When it is not shorted to P4
11.17.7.1 Levels Logic (used in floor/ceiling models)
P2 P3 Level
00 L0
10 L1
1 1 L2&3
01 L4
COMP
RV
OFAN
EEV
ON
HEAT
COOL
ON
OFF
EEVDeicerOpen
Any
T1 T2
T3 T3
T1
12
0
T
hreshold
max. 12 minutes
DT
OCT
CONTENT