Carrier 40QQ Series - EconoMi$er Control Setting; DN Code Setting and Constant Fan Control

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EconoMi$er Control Setting
The following is a start guide for EconoMi$er control.
Follow these step- by- step procedures after you install the EconoMi$er.
DN code setting (required to activate the EconoMi$er)
Table12–DNCodeSettings
Set data of DN (5A) Comments
0000 Invalid (Factory Setting)
0001 Activate
Constant Fan control Setting for Ventilation
Ensure constant air flow e ven if the unit is not in operation.
In specific installation there is a need to keep the indoor environment ventilated with filtered air supply from outside.
In standard condition when the system is in thermo- off the fan slows down to ultra low speed. With this setting, the unit
can operate in ventilation mode only according to the settings of the room controller to keep the desired indoor air quality
levels.
Change of DN code setting (Optional setting)
NOTE: This STEP is optional a nd should be set if necessary.
Table 13 – Change DN Code Settings (Optional)
Operational status
Default (factory setting) Constant fan setti ng
Cooling Thermo- OFF
- No demand
- PMV=close
Fan speed=
Remote Control setting speed
Fan speed=
Remote Control setting speed
Heating Thermo- OFF
- No demand
- PMV=close
Fan speed=
LL (anti cold draft)
Fan speed=setting by DN code
High (HH)
Mid (H)
Low (L)
If you want t o change fan speed while Thermo- ON, change DN(9B) value.
If you want to change fan speed while Thermo- OFF, change DN(05) value.
Table 14 – Change DN(9B) and DN(05) Value
Pattern
A B C D E F
DN [9B]
Thermo- ON
0
HH to OFF
0
HH to OFF
1
HH to LL
1
HH to LL
2
Remote Control
Setting
2
Remote Control
Setting
DN [05]
Thermo- OFF
1
LorLL
12
Remote Control
Setting
1
LorLL
12
Remote Control
Setting
1
LorLL
12
Remote Control
Setting
Factory
Setting
40QQ