Carrier 40KMC User manual

33MC--URC

OWNER’S MANUAL

40QNC

40QNQ

40KMC

40KMQ

Room Controller

This control system only operates with indoor units of the following types:

40KMC and 40KMQ Cassette, 40QNC and 40QNQ Highwall.

For installation instructions of these units, refer to the relevant manuals.

CONTENTS PAGE

General Information and Characteristics 3...............................................................

Power Up 4.........................................................................................

Setting Mode Operation 4/5...........................................................................

OFF Mode 4................................................................................

AUTO, HEAT, COOL and DRY Modes 4..........................................................

Fan Only Mode 5............................................................................

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aracter

IMPORTANT: Read this manual carefully before using the

appliance.

In case of main power supply failure, the autonomous operation of

the Room Controller is maintained for up to 2 hours.

SPay special attention to maintaining a comfortable room

temperature above all for children and elderly or

handicapped persons.

SFor correct use the conditioner must only operate at the

temperatures indicated in the “Operating Limits” table

included in the Technical manual.

SIf the unit is made to operate beyond these limits faults

or water leaks may occur.

SMake sure the Room Controller control unit has not been

damaged during transport; if so, file an immediate claim

with the shipping company.

SUse the appliance only for the purpose it was designed

for.

SDispose of packaging material in accordance with local

requirements.

SDo not open the appliance to avoid damage. In case of

malfunction, contact a qualified service engineer.

A= Display readout

B= Increase temperature /change louver setting button

C= Decrease temperature /change louver setting button

D= Fan selection button

E= Mode selection button A = Display readout

CDE

A B

Fig. 3 – Room Controller

1234

987 65

1=Automatic

2=Off

3= Temperature selected /

room temperature

4= Set Temperature

5= Operating position of the air louver

6= Fan speed

7= Heating

8= Cooling

9= Dehumidification only

Fig. 4 – Display of Selected Functions

Characteristics

SSingle unit operation:

⎯Ability to control one unit only.

SGrouping:

⎯Ability to control 2 to 6 units with one Room

Controller.

SOperating modes:

⎯Off, Heat, Cool, Dry, Auto, and Fan only.

SFan speeds:

⎯Low, Medium, High, and Auto.

SLouver control:

⎯Auto and swing.

SDesired temperature:

⎯Range between 17 and 32 _C(63and90_F).

SRoom Thermistor Override:

⎯Allows to use air sensor located in the Room

Controller instead of the one located into the unit.

SNon--volatile memory:

⎯Ability to retain user settings configurations during

power outages.

SDiagnostics:

⎯Detects the fault of air sensor in the Room Controller.

⎯“A1“ shown on the screen indicates this anomaly.

down

“UP” and “DOWN” Buttons

Buttons for raising or lowering the temperature or for selecting the

“AUTO“ or “SWING” louver mode.

Button for operation mode selection.

Button for fan or louvre selection.

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perat

POWER UP

All segments of the LCD should be energized for five seconds. The

mode, fan, louver, desired temperature and configuration

information should be read from the EEPROM. If the EEPROM

values are not valid, the following should be used as defaults:

Operating Mode = AUTO..........................

Fan Speed = AUTO...............................

Desired Temperature = 72_F........................

_For_C= F....................................

Louver = AUTO.................................

Room Thermistor Override = OFF..................

Cooling only vs Heat/Cool Remote = Heat/Cool........

When switched on, the control display appears.

Setting Mode Operation

Pressing the “MODE“ button will cause the mode to change. The

“MODE“ button must be released and then pressed again in order

to change to the next mode.

The active mode will always be lit in normal operation.

Available modes to select are:

Heat

Cool Remote:

OFF, COOL, DRY, FAN ONLY, AUTO, HEAT

Cooling Only Remote:

OFF, FAN ONLYCOOL, DRY,

When the “MODE” button is not pressed for 15 seconds, the next

press will always switch the mode to OFF.

OFF Mode:

ICONS Energized

SOFF Mode

SRoom Temperature if configured for Room Thermistor

Override, otherwise nothing

Buttons available:

S“MODE“ button

AUTO, HEAT, COOL and DRY Modes:

ICONS Energized:

SOperation Mode ICON.

SRoom Temperature if configured for Room Thermistor

Override (operated by Room Controller), otherwise user

selected temperature with the ”SET TEMP“ Icon.

SFAN/LOUVER Icon with the user selected Fan and

Louver

Buttons available:

SAll buttons are available

AUTO Automatic operation

NOTE: The compressor and electric heater must be off for at least

30 Minutes, this time being necessary to pass from Heating to

Cooling, or Cooling to Heating. This will prevent the system from

switching between Heating and Cooling continuously.

COOL Cooling operation

DRY Drying operation.

HEATHeating operation.

orma

perat

FAN ONLY Mode:

ICONS Energized:

SRoom Temperature if configured for Room Thermistor

Override (operated by Room Controller), otherwise

nothing.

SFAN/LOUVER Icon with the user selected Fan and

Louver settings.

Buttons available:

S“MODE“ and “FAN” buttons are available.

fan only Ventilation operation only.

“UP” and “DOWN” Button

(Selecting the desired temperature)

down

Pressing either the “UP“ or “DOWN“ buttons will modify the

desired temperature.

The maximum desired temperature is 32_C(90_F) and the

minimum desired temperature is 17_C(63_F).

Whenever the setpoint is being displayed, the “SET TEMP“ icon is

illuminated.

Whenever the display mode is changed from “F” to “C”, the

setpoint is set to the default start--up values of 22_C for “C“ mode

and 72_F for “F“ mode.

If the air sensor built in the Room Control is enabled, the display

will indicate the room temperature after few seconds.

“FAN” Button

(Adjusting the ventilation speed)

Pressing the “FAN“ button will cause the fan speed to change. The

“FAN” button must be pressed and then released to reach the

desired speed (Low, Medium, High or Auto).

The icon on the display indicates the change has occurred.

Auto mode setting will be displayed by blinking the fan Medium

speed and High speed icons in order (Med then Hi then repeat).

Low

Medium

High

Automatic

Fan speed will automatically switch to

the value required for optimum comfort.

When this function is activated, the

dotted symbols will flash.

LOUVER MODE SELECTION

To enter louver mode selection, make sure the Room Controller is

on and hold the ”FAN“ button down for 5 seconds.

After 5 seconds, the selected louver setting will be displayed.

By pressing the up and down buttons the user can modify the

louver desired configuration.

The two setting will be displayed in the following way:

“S“ with Swing Louver Icon -- represents Swing Louver.

“A“ with Auto Louver Icon -- represents Auto Louver.

Press “FAN“ button to exit LOUVER Mode Selection.

This mode will exit automatically after 10 seconds if no buttons are

pressed.

The only way to change the operation mode, is to go back to this

menu.

NOTE:

SIf units are grouped to one Room Controller , all units will end up

having the same louver value.

SLouver Mode selection is not available during OFF mode.

:AUTO Automatic louver positioning to the best position

for the selected operating mode.

:SWING Louvres swing continuously.

Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.

C a t a l o g N o : O M 3 3 M C --- U R C --- 1

Replaces: NEW

Printed in U.S.A. Edition Date: 08/06

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