Operation; Operating Conditions - Carrier 42QTD012DS Series Owner's Manual

1. READ BEFORE OPERATING
DISPLAY
Function indicators on indoor unit display panel
42QTD012~018
Operation lamp
Illuminate during operation
Infrared signal receiver
Receive the signal from remote controller
Timer lamp
Illuminate during TIMER operation
42QTD024~060
Operation lamp
Illuminate during operation
Manual button
This switch is used for after-sales
service purpose only,the user
should not push it.
Timer lamp
Illuminate during TIMER operation
NOTE
All the pictures in this manual are for explanation purpose only. They may be slightly different from the air conditioner you
purchased (Model dependent).The actual shape shall prevail.
A guide on using the remote controller (or wired controller) is included in this literature packaged.
2. OPEATION
2.1 OPEATING CONDITIONS
Opeating Conditions
Cooling Operation
Heating Operation
Note: DB - Dry Bulb
Optimum performance will be achieved within these operating temperatures.
When the unit operates above or below these conditions for a long time, system diagnostics may detect a
malfunction and the unit will not operate properly.
Room relative humidity - less than 80%. If the air conditioner operates outside this range, the surface of the
air conditioner may attract condensation.
OPERATION TIMER DEF./FAN
OPERATION TIMER
Indoor
Upper limit 32°C DB
Lower limit 18°C DB
27°C DB
Upper limit
Lower limit
0°C DB
Manual button
This switch is used for after-sales
service purpose only,the user
MANUAL
should not push it.
DEF./FAN lamp
ALARM
Illuminate during DEFROST

operation

Flash when unit in failure status
Temperature indicator
Indicate the room temperature
DEF./FAN lamp
Illuminate during DEFROST
operation
DEF./FAN ALARM
Infrared signal receiver
Receive the signal from remote
controller
Alarm lamp
Flash when unit in failure status
Outdoor
46°C DB
-10°C DB
24°C DB
-15°C DB
Alarm lamp
GB-4
7