![Carrier 38MGRQ30D 3 Series Service Manual Download Page 37](http://html1.mh-extra.com/html/carrier/38mgrq30d-3-series/38mgrq30d-3-series_service-manual_2560707037.webp)
Service Settings
–
Wireless Remote RG10
Service Settings are only accessible through the wireless remote
control.
Caution: Read and understand the function changes you wish to make
in advance. The remote will not read the parameters in the unit.
While many settings can be accessed, we find only the ones listed below may need
adjustment from default.
F1 Auto-Start
–
Turn OFF or turn back ON
F2 Heating Temperature Compensation
–
Adjust an offset based on thermal stratification
within the space.
F4 Indoor Fan Motor Speed Control after Set Point is Reached
–
Changes Heat fan speed
after set point is reached.
F7 Cooling Temperature Compensation
–
Adjust an offset based on thermal stratification
within the space.
d4 Automatic Airflow Adjustments
–
for 40MBA Air Handler & 40MBDQ Ducted Units
Only.
E9 Manual Static Pressure Setting
–
for 40MBA Air Handler & 40MBDQ Ducted Units Only.
1. Before using the service functions of the remote, turn
OFF the indoor unit with the remote.
2. Remove batteries from Wireless Controller, recycle power
to system and reinstall batteries.
3. Simultaneously press MODE and FAN for 5 seconds.
When the display reads “F1” you are in SERVICE
FUNCTION mode.
4. Use the UP/DOWN arrows to find and display the
parameter you want to change.
5. When the parameter you want to change is displayed,
press SET (parameters displayed after pressing SET are
NOT the values stored in the controller).
6. To change the parameter use the UP/DOWN until the
value you want is displayed.
7.
Pointing the Wireless Controller at the Indoor unit’s
receiver and press OK to confirm the new setting value
and transmit it to the Indoor Unit.
8. Repeat steps for any other parameter you are changing.
9. When finished remove batteries from the remote and
press any button to clear the screen and then replace the
batteries and operate the system normally.
Continued on next page