Carrier 38HDC024, 38HDL060, 38HDC018, 38HDC048, 38HDC036 Owner's Manual

INDOOR UNIT

O_D_R UNIT

Thank you for selecting Carded

You can be justifiably proud of your purchase because the same pride in craftsmanship and

engineering know-how that goes into Carrier equipment for cooling the Astrodome sports
complex in Texas, The United States Capitol's Halls of Congress and countless other

installations worldwide has been built into your unit.

One of the pleasant benefits awaiting you with room air conditioning is that in addition to
being cooled, the room air is filtered and dehumidified, too. This operating manual is

designed to help you become familiar with the many comfort and technological features your
unit offers. In addition, it contains vital information about maintenance, service and operating

economy. Take the next few minutes to discover for yourself how to get the most in personal
comfort and economy of operation from your new Carrier room air conditioner.

CONTENTS

[] PRECAUTIONS ....................................................................................................................2

[] BEFORE OPERATION ....................................................................................................... 6

UNIT DESCRIPTION ............................................................................................................ :'"'6

REMOTE CONTROLLER DESCRIPTION ............................................................................... 8

REMOTE CONTROLLER PREPARATION ............ '............................................................... 11

[] UNIT OPERATION ........................................... •................................................................. 13

AUTOMATIC OPERATION ..................................................................................................... 13

MANUAL OPERATION ........................................................................................................... 14

TIMER OPERATION ................................................................................................................ 15

DISCHARGE AIR LOUVER CONTROL ................................................................................ 20

EMERGENCY, TEST AND AIR CLEANING OPERATION ................................................... 21

[] CARE AND MAINTENANCE .........................................................................................23

POINTS TO NOTE .................................................................................................................. 23

CLEANING THE FILTERS ...................................................................................................... 25

CLEANING THE MAIN UNIT .................................................................................................. 26

AFTER-SEASON CARE ......................................................................................................... 26

[] TROUBLESHOOTING .....................................................................................................27

1

PRECAUTIONS

Installing and servicing air conditioning equipment can be hazardous due to system

pressure and electrical components. Only trained and qualified service personnel
should install or service this equipment.

Untrained personnel can perform basic maintenance functions such as cleaning coil
and filters and replacing filters.
All other operations should be performed by trained service personnel.

-When working on air conditioning equipment, observe precautions in the literature and
on tags and labels attached to the unit.

WARNING

Before performing service or maintenance operations on system, turn off main power to
the unit. Electrical shock can cause personal injury.

2

n_ L_,eflammable r_ the unit.

The un_ c_ _ d by _, , thin-

_, i _ and otJ-_ ct_rnical agents.

DANGER

Vv_ _ tl-_ power plug, _ not pall _ by

prover cord will _ _nd; _ _ cause

elec_r'_l sh-c_;k.

To avo_ the _ of _,ous e_t_ sh_k, ne_r

_h t_ i_ and the outdc_Jr un_ wffh w_er.

DANGER

not p'_l t'_"_ls or _s into the d_harge gnlle

of _dc_rar un_

_il$ t'sve a fan r_'_n_ _ _-1 speed, ff b

very c__ _ to,_h _e _o

DANGER

ordy fu_ _ the _,Jer e,

ff _ir_ rewi_ fuse, L_aeor#i the _arr_.-ct fuse wire

fire or hazard may c._Jr.

3

CAUTI_

ur_o

:r- .......

Ventilate t_ room _r w_ _he room becomes
s_u_ _ f_ with t

_ CA_ON

Keep heat sources away from the ur_it; H_gh

:_ a tern

4

CAUTION

In _, _ _ble, _ent d_ sun_ from
ent_ _ rcx_m;draw c_ _ b_s.

/_\. CAUTION

U_ _e timer ly to maintain comfort con-

==. : : :; ;;: : ..... .........................

CA_ON

Plea_ read this own_'s manual carefiJlly befo_

ff corC_p_sfl_ _portant s for proper

I UNff D RI_ON

.... |

[ I

..................................................................................................................................................................BC_}MA!R _NLET

.....OUTDOORAiROUTLET

6

L _Un_ l

: Lights during reservation mode.

• CHECK (Red) : Lights when the optional elec_K_ air
clp__z_erneeds ct'_king.

• AIR CLEAN (G_n): _hts when the optior,_ elec_ air

ctear_r is operating,

The_K _ the MR

Instail_ on st_qda_ un_s and units with

optional a_ive carbon fiker/el_m static

filter.

Install_ on units with _ional e_tric air

c_er.

,,,EMERGENCY s_ch : Can _ _ who'1 the r_te contro!_ _ _

• TEST : Is used only by rr_anto test _ un_ o .

• AIR I__rlton : Press this button _n the "CHECK" _p _ tte ir_Jo_
un_ lights _.

- F_ _e usage of EMERGENCY, T-_ST and _R C_l refer to

TEST AND AIR CLEANING OPERATION, p21,

7

BEFORE OPERATION

i REMOTE CONTROLLER DESCRIPTION

I Names and Functionsof the Buttons I

I

®

i _ ON. ':EZ]

oA #OC_

BB"c"_L'"

FLAP FAN

_mm (((®)))

I__ IL'_a:_ra leltTt_

G °" ®_

A_ f - AM 8 "

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1 ON/OFF BUTTON

If you press this button, the unit starts operation

and press again, stops operation. (You can hear
receiving beep.) If you press this button
immediately after turning off the unit, the
compressor will not operate for 3 minutes to
keep itself from overloading.

2

3

4

TEMPERATURE SETTING BU'I-I'ONS

If you set the desired room temperature, then

the unit will keep the room temperature to the

set temperature. In COOL mode, when the

room temperature is higher than the setting, the

compressor is automatically turned on to

provide cooling effect. When the room
temperature is lower than the setting, the
compressor is automatically turned off to stop
cooling operation. In HEAT mode, when the
room temperature is lower than the setting, the
comlsressor is automatically turned on to
provide heating effect. When the room
temperature is higher than the setting, the

compressor is automatically turned off to stop
heating operation. However the indoor fan will

run to circulate the indoor air even during the
compressor is turned off.

SLEEP TIMER BUTTON

Pressthisbutton to set the sleep timer. (Referto P.19)

OPERATIONMODESELECTINGBUTTON

Press thisbutton to select the desired mode.

In DRY mode, the microcomputer of the unit controls

the indoor fan motor and makes the outdoor unit

automatically turn on and off according to the room
temperature, and the moisture will be removed more

effectively.

In COOL mode, the unit will run the normal cooling

mode. In FAN mode, only the indoorfan will operate

at the selected speed and circulate the room air.

In HEAT mode, the unit will run the normal heating

mode.

8