Manual Operation; Battery Installation - Carrier 40MBDQ series Owner's Manual

CAUTION
!
EQUIPMENT DAMAGE HAZARD
Failure to follow this caution may result in equipment
damage.
Handle the control with care and avoid getting the control
wet.
IMPORTANT: The wireless remote control can operate the unit
from a distance of up to 26 ft. (8 m) as long as there are no
obstructions.
NOTE: If a Wireless Remote controller is used, relocate the IR
(Infrared) Receiver within line of sight of the remote location
using the 6 ft. cable included. The factory location of the IR
receiver is inside the control box.
When the timer function is used, the remote control should be
kept in the vicinity of the fan coil (within 26 ft. (8 m).
The remote control can perform the following basic functions:
S Turn the system ON and OFF
S Select the operating mode
S Adjust the room air temperature set point and fan speed
Refer to the Remote Control Function section for a detailed
description of all the remote control's capabilities.

Battery Installation

Two AAA 1.5v alkaline batteries (included) are required to
operate the remote control.
To install or replace batteries:
1. Slide the back cover off the control to open the battery
compartment.
2. Insert the batteries. Follow the polarity markings inside the
battery compartment.
3. Replace the battery compartment cover.
NOTE:
1. When replacing batteries, do not use old batteries or a
different type battery. This may cause the remote control to
malfunction.
2. If the remote is not going to be used for several weeks,
remove the batteries. Otherwise battery leakage may
damage the remote control.
3. The average battery life under normal use is about 6
months.
4. Replace the batteries when there is no audible beep from the
indoor unit or if the Transmission Indicator fails to light.
5. When batteries are removed, the remote control erases all
programmed settings. The control must be reprogrammed
after insertion of new batteries.
Remote Control Operation − Quick Start
NOTE: When transmitting a command from the remote control to
the unit, be sure to point the control toward the right side of the
unit. The unit confirms receipt of a command by sounding an
audible beep.
1. Turn the unit on by pushing the ON/OFF button.
2. If there is a preference for _C rather than _F (default), press
and hold the increase
point buttons together for approximately 3 seconds.
3. Select the desired mode by pushing MODE.
AUTO COOL
Fig. 6 − Modes
4. Select the temperature set point by pointing the control
toward the unit and pressing the increase/decrease
temperature set point buttons until the desired temperature
appears on screen.
5. Select the desired fan speed by pressing FAN.
NOTE: If the unit is operating in DRY or AUTO mode, the fan
speed will be automatically set.

Manual Operation

If the remote control is lost, damaged, or the batteries are
exhausted, the MANUAL button located on the IR Receiver can
be used to run the unit.
When MANUAL is pressed once, the AUTO mode takes affect
(heat or cool). When MANUAL is pressed twice, the system enters
the TEST mode and runs for 30 minutes in the COOLING mode
(it will run in the AUTO mode afterward). When pressed three
times, the system turns off.
Manual button
Operation indicator
Timer indicator
PRE-DEF
(pre-heating/defrost)
indicator
Fig. 7 − IR Receiver Display Panel
The set conditions of manual operation are as follows:
S Preset set point: 76_F (24_C)
S Fan speed: AUTO
6
▲ ▼
and decrease temperature set
DRY HEAT FAN
LED display
Infrared receiver
Alarm indicator