Carrier 42QZA009DS-1 Manuel utilisateur

Light Commercial

SUPER INVERTER SERIES

MULTI TYPE

Service Manual 2017

CONTENTS

1. General information of Indoor Units..........................1

2. Features .......................................................................2

3. Dimensions................................................................12

4. Service Space (unit: mm)..........................................19

5. Wiring diagram ..........................................................22

6. Static Pressure (Duct)...............................................28

7. Operation temperature range...................................29

8. Electronic function......................................................30

9. General information of Outdoor Units.......................40

10. Features........................................................................41

11. Dimensions...................................................................42

12. Refrigeration Cycle Diagram.......................................43

13. Wiring diagram.............................................................45

14. Indoor units combination............................................49

15 Sound Levels.............................................................50

16 Installation Details.....................................................51

17 Electronic control function.......................................59

18 Troubleshooting........................................................64

※The specifications, designs, and information in this book are subject to change without notice for

product improvement.

1. General information of Indoor Units

Four-way cassette (compact)

Silm cassette

Console

15C

A5 Ducted

A6 Ducted

ODU

38QUS014DS2*

38QUS018DS2* 38QUS036DS4*

38QUS027DS3* 38QUS042DS5*

Four-way

cassette

Super slim cassette Console 15C A5 Duct A6 Duct ODU

42QTD009DS* 42QTD024DS* 42QZA009DS* 42QHC007DS 42QSS012DS* 42QSS018DS* 38QUS014DS2*

42QTD012DS* 42QZA012DS* 42QHC009DS 42QSS024DS* 38QUS018DS2*

42QTD018DS* 42QZA018DS* 42QHC012DS 38QUS027DS3*

42QHC018DS 38QUS036DS4*

42QHC024DS 38QUS042DS5*

Model

2. Features

2.1 Four-way cassette type(compact)

⑴New panel

360°surrounding air outlet design, affords comfortable feeling

⑵Compact design

The body size is 570×260×570mm, it’s just smaller than the ceiling board, so it’s very easy for

installation and will not damage the decoration. The panel size is 647×50×647mm.

The hooks are designed in the four corners of the body, which can save installation space.

⑶Electric control box built-in design

The E-box is simply and safely built inside the indoor unit. It’s convenient for installation and

maintenance. Can check the control part easily, you only need to open the air return grille.

⑷Fresh air intake function:

Fresh air fulfills air quality more healthy and comfortable.

⑸Air passage function

Reserves the space for air outlet from the side of indoor unit; It’s availed to connect air duct

from the two sides to the nearby small rooms.

Dimension:Φ75mm

Fresh

Air

2.2 A5 Duct

⑴Installation accessories: (Optional)

Front Board, Canvas Air Passage, Filter, Panel, for easy installation

⑵Easy Installation: Two air inlet styles (Bottom side or Rear side)

Air inlet from rear is standard for all capacity; air inlet from bottom is optional.

The size of air inlet frame from rear and bottom is same, it’s very easy to move the cover from bottom to

rear side, or from rear to the bottom, in order to matching the installation condition.

⑶Fresh air intake function

Install one duct from the reserved fresh-air intake to outdoor.

Continually inhale the fresh air to improve the quality of the indoor air, fulfills air quality more healthy and

comfortable.

⑷Easy maintenance

Clean the filter (Optional, standard product without filter)

It is easy to draw out the filter from the indoor unit for cleaning, even the filter is installed in rear side or

bottom side.

Front Board

Filter

Panel

Air intake from rear (Standard)

Air intake from bottom (Optional)

Replace the motor or centrifugal fan

Remove the ventilated panel firstly. Remove a half of blower housing and take out the motor with

centrifugal fan. Directly remove two bolts, and then replace the motor or centrifugal fan easily.

⑸Reserved remote on-off and central control ports

Reserved remote on-off ports and central control ports, can connect the cable of an on-off controller or a

central controller to realize remote on-off control function or group control function.

Motor

Blower Housing

Ventilated Panel

⑹Built-in drain pump (Optional):

Built-in drain pump can lift the water to 750mm upmost. It’s convenient to install drainage piping under

most space condition.

⑺Built-in display board

The standard indoor unit can be controlled by wired controller.

There is a display board with a receiver in the E-box. Move out the display, and fix it in other place, even

in the distance of 10m. The unit will realized remoter control.

The wired controller and the display board can display the error code or production code when the chips

detect some failure.

Remote on-off ports

Central control ports

750mm upmost

2.3 Console

(1) Consumes up to 30% less energy than non-inverter units

——DC inverter compressor

——indoor fan motor adopts DC motor

(2) Achieves set temperature more quickly

——air supplying from top and bottom or from top only

——air inlet from four directions

(3) Compact unit body, space saving

——this unit body is very thin and harmonious with room. It is beautiful, elegant and space saving.

——light weight and compact.

(4) Flexible installation.

——can be used for floor standing or lower wall applications

——as a floor standing floor model, it can be semi or fully recessed without loss of capacity.

(5) High efficiency filter

——built in Formaldehyde nemesis filter

——active-carbon and biological anti-virus filter is optional.

(6) Comfort

——flexible air blow: vertical auto swing and wide angle louvers ensure that warm air reaches the furthest

corners of the room and increase the air flow coverage

——Low noise operation, lowest to 23Db

——Low starting power and precise room temperature adjustment

(7) Powerful mode can be selected for rapid cooling or heating.

Display

Wired Controller (Standard)

Remote Controller (Optional)

Ce manuel convient aux modèles suivants

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