ZYMBO AATT Ventilarredo RX-200/ECO, Service Manual

Page: 79 / 94

ZYMBO AATT
Ventilarredo Service Manual – English Pag. 79
Fan speed:
H
M
L
ST ST+2 Tr(℃） ST+3 ST+5
2) After 30 seconds the fan speed is modulated according to the difference between the room
temperature and the set temperature.
3) In heat mode, the auto fan speed will operate as according to the following diagram:
M
ST
L
ST+2
Fan speed:
Tr(℃）
After 30 seconds the fan speed is modulated according to the difference between room temperature and
set temperature.
In Auto Fan mode speed correspondence are :
Low speed = 1 speed
Med speed = 3 speed
High speed= 6 speed
Note : pay attention logic in Heating mode is changed we have added also High speed when room
Tr≤Ts-5°C
7.9
DRAIN PUMP
Water float is 2 reed sensor ( 2 levels ) :
1) When low reed contact is close, water pump would run. When low reed contact is open for 5 seconds,
water pump would stop.
2)
When high reed contact is close , it’s mean there is problem in water drainage discharge or pump
don’t work well , for this reason machine stop to work. Command on board will display Alarm Ea,
and wire wall pad will display E10.
3) When machine stop to work AUX1-AUX2-MTV1-MTV2 are off.
4) When high reed contact is open, alarm code disappear, unit would work normally.
H
ST -5