
39
ELECTRICAL CONNECTIONS
Wiring diagram of advanced mod. economy function, thermostat, heat/cool function and speed selector command
(on machine and wall):
ADVANCED THERMOSTAT
• Installation on machine and wall
• ON/OFF selector
• Summer mode / winter mode / automatic mode selector
• Three speeds / automatic speed selector
• Set point selector
ECOMONY/THERMOSTAT HEAT/COOL FUNCTION - SPEED SELECTOR COMMAND
VERSION ON MACHINE
WALL-MOUNTED VERSION
KEY TO WIRING DIAGRAM
MT
= Ground terminal
MO
= Main terminal board
CN1
= Motor connector
CN
= Control connector
REM
=
Remote control for function changes (230V voltage rating)
EC
= Economy function key
MA
= Brown wire
GR
= Grey wire
G/V
= Yellow/green wire
MRS
= Red wire (3rd speed-min.)
MBL
= Blue wire (2nd speed-med.)
MNE
= Black wire (1st speed-max.)
MBI
= White wire (common connection)
VE
= Green wire
GI
= Yellow wire
TC
= Enabling thermostat (opt.)
ST
= Seasonal selector
SV
= Fan speed selector
MV
= Fan motor
CV
= Fan condenser
SB
= Coil probe
SA
= Ambient probe
L-EC
= Economy led
L-ON/OFF
= ON/OFF led
IG
= Switch at user’s charge with breaking capacity of not
less than 4.5 kA
CO
= Terminal battery
K1
= Valve/heating element accessory command
TS
= Set point variator
VM
= ON/OFF valve accessory command (opt.)
ON/OFF
= ON/OFF selector
- The dotted lines mark connections that are at the in-
staller’s charge. Wire type H05 VV-F 1.5 sq.mm or de-
pending on the installation. See specific norms.
NOTE
: Eliminate the jumper between terminals 4-5 to
insert the TC