Lennox VRF VEWCL1E Instruction Manual page 37

Item
Master Air Box
Display Status of
LED
PM2.5 Sensor
On/Off
Air Box On/Off
Positive and
Balance, positive,
Negativa
Pressure Setting
Settable range
0-4，——
OFF, constantly
ON
OFF, constantly
ON
ON/OFF
negative
Default
One master air box can be set, if many
master air boxes are set, the latest one
should be the master one.
When setting it as"--", it indicates the
——
current main air box is canceled.
No.0 air box can't be set as the main air
box.
Constantly
Each air box should be set;
ON
OFF Each air box should be set;
ON Each air box should be set;
00: balance fan speed, the fan speed of
ERV+DX Coil motor and air-return
motor is the same as the setting fan
speed of wired controller;
01: positive pressure mode, setting of
fan speed of ERV+DX Coil motor and
air-return motor is automatically
Balance
switched according to the logic of
positive pressure;
02: negative mode, setting of fan speed
of ERV+DX Coil motor and air-return
motor is automatically switched
according to the logic of negative
pressure.
33
Wired Controller VEWCL1E
Remarks