Carrier 42QHF009DS Manual de usuario
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Service Manual
AIR CONDITIONER
DC INVERTER MULTI TYPE
This manual applies to models:
High Wall
42QHF009DS
42QHF012DS
42QHF018DS
Duct
42QSM009DS
42QSM012DS
42QSM018DS
Cassette
42QTD009DS
42QTD012DS
42QTD018DS
Console
42QFA009DS
42QFA012DS
42QFA018DS
Universal CDU
38QUS018DS2
38QUS027DS3
38QUS036DS4
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CONTENTS
1. General information of Outdoor& Indoor Units ..................................3
2. Features .................................................................................................4
3. Dimensions..........................................................................................11
4. Service space for light commercial indoor.......................................18
5. Wiring Diagram....................................................................................20
6. Refrigeration Cycle Diagram..............................................................25
7.Indoor units combination. ...................................................................27
8. Static Pressure (Duct).........................................................................28
9.Operation Characteristics ...................................................................29
10.Installation Details..............................................................................30
11.Electronic control function................................................................40
12.Troubleshooting.................................................................................57
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1. General information of Outdoor& Indoor Units
■Outdoor
Model name
Dimension (mm)
Compressor
38QUS018DS2
845x320x700
DA130M1C-31FZ
38QUS027DS3
900x315x860
DA250S2C-30MT
38QUS036DS4
990x345x965
TNB306FPGMC-L
■Indoor
High wall
A5 Duct
Four-way cassette (compact):
Console:
Model name
Dimension (mm)
42QHF009DS
800x188x275
42QHF012DS
800x188x275
42QHF018DS
940x205x275
42QSM009DS
700x635x210
42QSM012DS
700x635x210
42QSM018DS
920x635x210
42QTD009DS
570x570x260
42QTD012DS
570x570x260
42QTD018DS
570x570x260
42QFA009DS
700x600x210
42QFA012DS
700x600x210
42QFA018DS
700x600x210
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2. Features
2.1 Outdoor unit 2.2 High wall
2.3 Four-way cassette type(compact)
⑴New panel
360°surrounding air outlet design, affords comfortable feeling
⑵Compact design
The hydrophilic fin can improve the heating efficiency at operation mode.
It protects the valves and prevents water from dripping.
4 way valve control
It is only operated in the heating operation mode except defrosting operation.
Outdoor unit
Power relay control
Hydrophilic aluminum fin
Anti-rust cabinet
Valve protection cover
Low noise air flow system
Discharge pipe temperature protection
High wall
Filter
Refrigerant leakage detect
Anti-rust cabinet
Self-diag. Function
Low noise air flow system
Louver position memory function
2 ways of drainage
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The body size is 570×260×570mm, it’s just smaller than the console 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.
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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
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2.4 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.
Front Board
Canvas Air Passage
Filter
Panel
Air intake from rear (Standard)
Air intake from bottom (Optional)
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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.
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
Remote on-off ports
Central control ports
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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.
2.5 Console
(1) New design, more modern and elegant appearance.
(2) Convenient installation
--The console type can be easily installed into a corner of the console even if the console is very narrow
--It is especially useful when installation of an air conditioner in the center of the console is impossible due to a
structure such as one lighting.
Display
750mm upmost
Wired Controller (Standard)
Remote Controller (Optional)
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(3) Two direction auto swing (vertical & horizontal) and wide angle air flow,
--Air flow directional control minimizes the air resistance and produces wilder air flow to vertical direction.
--The range of horizontal air discharge is widened which secures wider air flow distribution to provide more
comfortable air circulation no matter where the unit is set up
(4) Three level fan speed, more humanism design, meets different air-supply requirement.
(5) Water proof by utilizing the absorbing plastic film on water collector
(6) Easy operation. Auto-restart function, remote control and optional wire control method.
(7) Low noise level plus compact size
--Shape of the blades has been improved to prevent noise caused by turbulence.
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