Carrier 42TD Series, Installation, Start-Up And Service Instructions Manual

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Controller For Ducted Fan Coil Units
Features
:
The controller is used to control air cooled ducted split unit, supports the following functions:
- Modes: Cool, Dry, Fan, Heat
- Indoor fan speed: Auto, High, Medium, Low
- Sleep mode
- Compressor protections:
Comp 3 minutes restart protection
Indoor coil anti-freeze
Room sensor and indoor coil sensor failure monitoring
- Non volatile memory – keep system settings
- Programmable On/Off timer
- Random restart to minimize voltage dip during compressor first cut in cycle upon power up.
Hardware Setting:
A 2 way DIP switch is used to configure:
Error Code:
If multiple faults happen at the same time, the corresponding error code will be shown one after
another
Split System Description
1) On/Off Key
:
If you press this key, the system will begin operation, Press the key again, and operation stops.
(You can hear a receiving beep). If you press this key immediately after turning off the system, the compressor will
not operate for 3 minutes to prevent overloading.
2) Operation Mode Selection Key: Toggles the operation mode: Cool, Dry, Heat, or Fan only
3) Fan Speed Selection Key: Toggles the fan speed: Auto, High, Medium, or Low, Note: Fan key is invalid in Dry
mode.
4) Temperature Up Key: By pressing Temperature up Key, the setting temperature increases by 1ºC with each
press.
5) Temperature Down Key:
By pressing temperature down key, the setting temperature decreases by 1ºC with
each press. If you set the desired room temperature, then system will maintain the room temperature as set. Upon
setting the desired room temperature the system will maintain the room temperature
DIP Switch On Off
SW1 Cool Cool-Heat
SW2 Water System DX System
Fault Error code
Room sensor fault E1
Indoor coil sensor fault E2
Comp fault
E4
“COOL” Led Lights on when selecting COOL mode.
“DRY” Led Lights on when selecting DRY mode.
“HEAT” Led Lights on when selecting Heat mode.
“FAN” Led Lights on when selecting FAN mode.
Wired Room
Controller (Standard)
Notes: The wired room controller is mounted on the wall and can control all system functions without wireless remote control.
Wired Room Controller
Wireless Room Controller