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Carrier Corporation
P/N:42QG8V5404B
42QG8V5404B(O/M-P)
30-31
,
OWNER
S MANUAL
SPLIT SYSTEM AIR CONDITIONER
53G100HF/53G150HF/53G225HF-1/53G250HF-1
53G100HP/53G150HP/53G250HP-1
INDOOR UNIT
42G100HF/42G150HF/42G100HP/42G150HP/
42G225HF-1/42G250HF-1/42G250HP-1
OUTDOOR UNIT
38G100HF/38G150HF/38G100HP/38G150HP/
38G225HF-1/38G250HF-1/38G250HP-1
2004.7.7, 2:42 PM
A
A
SLEEP
ON/OFF
TEMP.

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Summarization of Contents

BEFORE OPERATION
UNIT DESCRIPTION
Details the components of the indoor and outdoor units, including air inlets, outlets, filters, and connection points.
REMOTE CONTROL DESCRIPTION
Explains the names and functions of various buttons on the remote control for operating the air conditioner.
REMOTE CONTROL PREPARATION
Guides on replacing batteries, setting the current time, and resetting the remote control.
Matching Address between Indoor Unit and Remote Control
Instructions for matching the remote control address to a specific indoor unit when multiple units are used.
Signal Receiving
Explains the operational range and conditions for receiving signals from the remote control to the unit.
UNIT OPERATION
AUTOMATIC OPERATION
Describes how the unit automatically selects cooling or heating mode and fan speed based on room conditions for comfort.
MANUAL OPERATION
Details the steps for operating the air conditioner using the remote control in various modes like COOL, DRY, FAN, and HEAT.
OFF Timer
Explains how to set the timer to automatically turn the air conditioner off after a specified period.
Cancellation of ON, OFF and EVERYDAY Timer
Provides instructions on how to cancel any previously set timer reservations for the unit.
DISCHARGE AIR LOUVER CONTROL
Details how to control the direction of air discharge, including swing and fixed positions for vertical and horizontal louvers.
EMERGENCY AND TEST OPERATION
Covers emergency operation mode and test operation for installation checks when the remote is unavailable.
AIR CLEANING OPERATION
Provides information about the air filters and optional filters used for cleaning the indoor air.
CARE AND MAINTENANCE
POINTS TO NOTE
Lists important considerations for operating the unit, including temperature ranges and potential issues.
Frost Prevention of Indoor Unit
Explains how frost may appear on the indoor coil at low temperatures and how the unit manages this to prevent damage.
CLEANING THE FILTERS AND FRONT PANEL
Step-by-step guide for cleaning air filters, optional filters, and the front panel of the unit.
Refreshing the optional Photo-catalyst filter
Instructions for maintaining the optional photo-catalyst filter, including washing and sun exposure.
Washing the Front Panel
Instructions for safely removing, washing, and refitting the front panel of the indoor unit.
CLEANING THE MAIN UNIT
Guidance on how to safely clean the main indoor and outdoor units using appropriate materials.
AFTER-SEASON CARE
Steps to take for proper maintenance when the unit is not in use for an extended period.

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