Energy Guide
04.24.13 Rev. 0.3a 6
LEGEND
Terminal M1
Pole 1-2 = power supply 12Vac
Terminal M2 – RS 232
Pole 1 = GND
Pole 2 = RX
Pole 3 = TX
Pole 4 = +12Vdc
Terminal M3
Pole 1-2 = air end temperature probe
Pole 3-4 = pressure transducer (pole 3 = negative – pole 4 = positive)
Terminal M4
Pole 1 = pole 5 of the control phases (GND)
Pole 2 = pole 1 of the control phases (T)
Pole 3 = pole 2 of the control phases (S)
Pole 4 = pole 3 of the control phases (R)
NOTE: THE GND FROM THE CONTROL PHASES UNIT MUST NOT BE CONNECTED TO EARTH.
IT’S THE GROUND OF THE CONTROLLER AND MUST BE CONNECTED TO IT.
Terminal M5
Pole 1 = IN 1 = emergency stop button (L)
Pole 2 = IN 2 = thermal motor (L)
Pole 3 = IN 3 = thermal fan (L)
Pole 4 = IN 4 = remote start/stop (L)
Pole 5 = IN 5 = air filter pressure switch (L)
Pole 6 = IN 6 = separator filter differential pressure switch (L)
Pole 7 = neutral = 0Vac
Terminal M6
Pole 1 = RL7 = alarm or compressor status
Pole 2 = RL6 = condensate drain solenoid valve or compressor status
Pole 3 = RL5 = fan contactor
Pole 4 = RL4 = solenoid valve
Pole 5 = RL3 = star contactor
Pole 6 = RL2 = delta contactor
Pole 7 = RL1 = line contactor
Pole 8 = common = 24 ÷ 230Vac
Terminal M7
Pole 1-2 = IN 8 = PTC or Klicson for motor protection
Total resistance of operation = 2.900 ohm
Total resistance of restoration = 1.600 ohm
Pole 3 = IN 7 = settable as door of electrical cabinet open – control phase relay – generic alarm (L)