Download Print this page

Carrier 42TW Series Installation, Start-Up And Service Instructions Manual page 10

Chilled water fan coil unit with remote control (50/60 hz)

Advertisement

:
Cool Mode
If the room temperature is higher than the setting, the compressor will automatically turn on provide a
cooling effect. On the hand, if the room temperature is lower than the setting, the compressor will automatically turn
off to stop cooling operation. If indoor fan is programed to be turned off with comp signal, it will turn off once comp
is cut off
Heat Mode: If the room temperature is lower than the setting, the Electric heater will automatically turn on to
provide a heating effect. If the room temperature is higher than the setting, the heater will automatically turn off to
stop heating operation. If indoor fan is programed to be turned off with heater signal, it will turn off once heater is
cut off but subject to 30 sec dispersing remaining heat timing.
Dry Mode: The fan speed runs automatically at low speed and compressor stopping and running is controlled by
the difference between room and setting temperatures and by continuous running time. If indoor fan is programed
to be turned off with comp signal, it will turn off once comp is cut off
- In Dry mode, the humidity is reduced in the space to be air-conditioned.
Fan Mode: There will be no cooling or heating effects; only the fans of indoor unit will run for ventilation at the
selected speed (High, Med, and Low).
-
In COOL or HEAT mode and if AUTO fan speed is selected; Fan speed is automatically selected by controller
according to the difference between setting temperature and room temperature, fan will be continuously
running at low speed after setting temperature is achieved.
Notes:
a) Temperature setting range is 16ºC to 30ºC or 60ºF to 85ºF.
b) Hold down at the same time for about 5 seconds, Temp down and fan keys will toggle the temperature
setting from degree C to degree F and vice versa.
c) Press any temperature key will flash the current setting temperature for 4 seconds, Should there be no
further key press, it will revert to room temperature display. Temperature display range is 0 C to 50 C or 32 F
to 99 F.
d) Temp keys are invalid in Fan mode.
6) Sleep Key: Press this key to set the SLEEP timer and then the sleep led will light on, to cancel the sleep timer
press this key again.
- Sleep function for healthy sleep to control automatically the room temperature and stop automatically the
operation of the air conditioner after certain set off time.
- Sleep mode is valid in cool or heat mode and invalid in Fan mode.
7) Timer Key: Upon count down of the set hours, the system will switch from OFF to ON or vice-versa.
- OFF Timer Function to stop automatically, the air conditioner after certain set OFF time.
- ON Timer Function to start automatically, the air conditioner after certain set ON time.
* Timer setting is 1 Hour to 24 Hour. The timer led will light on when operating the Timer Function
First key press will flash the digital display and Timer Led for 3 seconds.
Notes:
a) The digital displays show the number of hours previously set, only the Timer Led flashes.
b) Subsequent 3 seconds will show the number of hours previously set; only the timer led flashes.
c) Should there be no further key press, it will revert to normal mode.
d) Should Timer key is not released timer setting will increase automatically every 0.5-second.
8) Sensor: Receives the remote controller's signal
9) Display Screen: Displays the set temperature and displays also the TIMER settings when adjusting it.
10) Key Lock Mode: To activate key lock mode, hold down for 3 seconds, temp. Down Key (5) and Mode Key (2).
In key lock mode, all keys are not valid except ON/OFF Key (1) to turn ON/OFF the system.
Notes:
a) Hold down Temp Down and Sleep button for one second to enter into coil temperature display mode.
Press Temp Up key to display indoor coil temperature, High Fan LED flashes. With the same sequence to
exit coil temperature display mode. Temperature display range is -9C to 78 ºC.
b) Hold down
to activate temperature display setting and auto fan LED flashes. Repeat the same sequence to cancel
this function. Press
temperature display and "2" means enable room temperature display.
Menu
Parameter
Temperature display, Auto fan
1
LED flashing
Cool mode fan control function,
2
Auto & High fan LED flashing
Heat mode fan control function,
3
Auto & Medium fan LED flashing
FAN
and
buttons for only 1 second ( 5 sec to toggle between ºC and ºF temperature )
or
button to change the setting from 1 to 2. "1" means disable room
Set Range
1~2
1~2
1~2
Default value
1: Disable room temp display
1
2: Enable room temp display
1: Comp OFF, Fan ON
1
2: Comp OFF, Fan OFF
1: Heater OFF, Fan ON
1
2: Heater OFF, Fan OFF
- 10 -
Remarks

Advertisement

loading

This manual is also suitable for:

42td series