
6
40%
00%
0%
8 8.5
20
26
40%
00%
0%
8 9
28
40
0ºC
22 bar
15ºC
28 bar
30ºC
30 bar
35ºC
37 bar
+7ºC
ADVANCED FUNCTIONS
The function of the fan speed control is to prevent very low condensing temperatures during cooling mode operation at outside
temperatures of between 0ºC and 46ºC.
Depending on the unit, this function could be:
..- PROPORTIONAL CONTROL BASED ON PRESSURE
Models: ECOLEAN:
EAC + kit -15ºC and EAR 251-812 SM
AIRCOOLAIR: ANCM + kit -15ºC and ANHM 22E-86D
AIRCUBE:
KSCM + kit -15ºC and KSHM 22E-86D
In this case, it is a proportional fan speed control, which varies the fan voltage supplied to the fan.
10.- CONDENSER FAN SPEED CONTROL
FAN
SPEED
CONDENSER
PRESSURE (bar)
NOTE
At start-up the fan works at maximum speed for 20 seconds,
so as to overcome the mechanical inertia of the motor.
.2.- PROPORTIONAL CONTROL BASED ON PRESSURE TEMPERATURE
Models: ECOLEAN:
EAC 25-82 SM
AIRCOOLAIR: ANCM 22E-86D
AIRCUBE:
KSCM 22E-86D
In this case too, it is a proportional fan speed control, which varies the voltage supplied to the fan.
FAN
SPEED
CONDENSER
TEMPERATURE (ºC)
NOTA
At start-up, the fan works at maximum speed for 20 seconds,
so as to overcome the mechanical inertia of the motor.
The same time is observed with regard to compressor start-up
(irrespective of the condensing temperature) in order to
improve temperatures probes reading.
.3.- ON/OFF CONTROL BASED ON PRESSURE
Models: ECOLEAN: EAR* 003-804 SM
AIRCOOLAIR: ANHM* 2D-52D
AIRCUBE:
KSHM* 2D-24D
ON/OFF, through the control and change between high and low fan speed through pressure switches.
The fans for these models incorporate 2 speeds. The fans work on high or low speed according to:
COOLING MODE:
The on/off and low/high fan speed is managed according to the
condensing pressure. See the illustration below:
HEATING MODE (heat pump units only). The low/high fan speed
is managed according to the outdoor temperature thermostat.
See the illustration below:
High speed
Low speed
High speed
Low speed
Outdoor temperature ºC
COOLING MODE
HEATING MODE
Approx. outside temperature ºC
Condensing pressure
NOTE*: In these same models, but in cooling only version, the fan speed management is the same, apart from that, the ON/OFF
signal is provide by a pressure switch instead of the control.