Comfort Star CZP09CD User manual

lIght COMMERCIAl MOnO 3d AIR
COndItIOnER
SERVICE MAnUAl Mono DC
Revision V2301
Model Numbers:
Regular
ODU
HI HEAT
ODU Ducted Floor Ceiling Cassette
CZP09CD(O) CHF09CD(O) CPA-09B TPA-09
CZP12CD(O) CHF12CD(O) CPA-12B TPA-12
CZP18CD(O) CHF18CD(O) CPA-18B FPA-18 TPA-18
CZP24CD(O) CHF24CD(O) CPA-24B FPA-24 TIP24
CZP36CD(O) CHF36CD(O) CPA-36DUB FPA-36DU TIP36
CZP48CD(O) CHF48CD(O) CPA-48DUB FPA-48DU TIP48
CZP60CD(O)-B CHF60CD(O) CPA-60DU FPA-60DU
Table of Contents
1. Precaution
2. Part Names And Functions
3. Dimension
4. Service space
5. Refrigerant Cycle Diagram
6. Wiring Diagram
7. Fan Curves
8. Air Velocity Distributions
9. Electric Characteristics
10. Sound Level
11. Accessories
12. The Specification of Power
13. Field Wiring
14. Installation Details
15. Operation Characteristics
16. Electronic Function
17. Troubleshooting
18. Disassembly Instructions
WARNING
Installation MUST conform with local building codes or, in the absence of local codes, with the
National Electrical Code NFPA70/ANSI C1-1993 or current edition and Canadian Electrical
Code Part1 CSA C.22.1.
The information contained in the manual is intended for use by a qualified service technician
familiar with safety procedures and equipped with the proper tools and test instruments
Installation or repairs made by unqualified persons can result in hazards to you and others.
Failure to carefully read and follow all instructions in this manual can result in equipment
malfunction, property damage, personal injury and/or death.
This service is only for service engineer to use.

CONTENTS
1. Precaution ..................................................................................................................................................... 1
1.1 Safety Precaution ........................................................................................................................... 1
1.2 Warning ...........................................................................................................................................1
2. Part Names and Features ............................................................................................................................ 4
2.1 Model Names of Indoor/Outdoor units ...........................................................................................4
2.2 Part names of Indoor/Outdoor units ...............................................................................................5
2.3 Features ........................................................................................................................................10
3. Dimension ................................................................................................................................................... 19
3.1 Indoor Unit .................................................................................................................................... 20
3.2 Outdoor Unit ................................................................................................................................. 29
4. Service Space ............................................................................................................................................. 34
4.1 Indoor Unit .................................................................................................................................... 34
4.2 Outdoor Unit ................................................................................................................................. 37
5. Refrigerant Cycle Diagram ........................................................................................................................ 38
6. Wiring Diagram ........................................................................................................................................... 42
6.1 Indoor Unit .................................................................................................................................... 42
6.2 Outdoor Unit ................................................................................................................................. 70
7. Fan Curves .................................................................................................................................................. 84
8. Air Velocity Distributions ........................................................................................................................... 93
9. Electric Characteristics ............................................................................................................................138
10. Sound Level ............................................................................................................................................ 138
10.1 Indoor unit .................................................................................................................................138
10.2 Outdoor unit ..............................................................................................................................141
11. Accessories ............................................................................................................................................. 141
12. The Specification of Power ................................................................................................................... 144
13. Field Wiring ............................................................................................................................................. 145
14.Installation Details ................................................................................................................................... 147
14.1Location selection ......................................................................................................................147
14.2 Indoor unit installation .............................................................................................................. 147
14.3 Outdoor unit installation ............................................................................................................158
14.4 Refrigerant pipe installation ......................................................................................................159
14.5 Drainage pipe installation .........................................................................................................164
14.6 Vacuum Drying and Leakage Checking ...................................................................................166
14.7 Additional refrigerant charge .................................................................................................... 167
14.8 Engineering of insulation ....................................................................................................... 168
14.9 Engineering of electrical wiring ................................................................................................ 169
14.10 Test operation ......................................................................................................................... 169
15. Operation Characteristics ..................................................................................................................... 171

16. Electronic Function ................................................................................................................................ 172
16.1 Abbreviation .............................................................................................................................. 172
16.2 Display function ........................................................................................................................ 172
16.3 Main Protection .........................................................................................................................172
16.4 Operation Modes and Functions ..............................................................................................174
17. Troubleshooting ..................................................................................................................................... 185
17.1 Indoor Unit Error Display ..........................................................................................................186
17.2 Error Display on Two Way Communication Wired Controller ..................................................188
17.3 Outdoor unit error display .........................................................................................................189
For 9K-24K outdoor unit: .................................................................................................................. 189
For 36K-60K Outdoor Unit ................................................................................................................190
Outdoor check function .....................................................................................................................191
17.4 Diagnosis and Solution .............................................................................................................194
17.5 Main parts check ...................................................................................................................... 233
18. Disassembly Instructions ...................................................................................................................... 240
18.1 Indoor unit .................................................................................................................................240

1
1. Precaution
1.1 Safety Precaution
To prevent injury to the user or other
people and property damage, the following
instructions must be followed.
Incorrect operation due to ignoring
instruction will cause harm or damage.
Before service the unit, be sure to
read this service manual at first.
1.2 Warning
Installation
Do not use a defective or underrated
circuit breaker. Use this appliance on a
dedicated circuit.
There is risk of fire or electric shock.
For electrical work, contact the dealer,
seller, a qualified electrician, or an
authorized service center.
Do not disassemble or repair the product,
there is risk of fire or electric shock.
Always ground the product.
There is risk of fire or electric shock.
Install the panel and the cover of
control box securely.
There is risk of fire of electric shock.
Always install a dedicated circuit and
breaker.
Improper wiring or installation may cause
electric shock.
Use the correctly rated breaker of
fuse.
There is risk of fire or electric shock.
Do not modify or extend the power
cable.
There is risk of fire or electric shock.
Do not install, remove, or reinstall the
unit by yourself (customer).
There is risk of fire, electric shock, explosion,
or injury.
Be caution when unpacking and
installing the product.
Sharp edges could cause injury, be especially
careful of the case edges and the fins on the
condenser and evaporator.
For installation, always contact the
dealer or an authorized service center.
Do not install the product on a
defective installation stand.
Be sure the installation area does not
deteriorate with age.
If the base collapses, the air conditioner could
fall with it, causing property damage, product
failure, and personal injury.
Do not let the air conditioner run for a
long time when the humidity is very high
and a door or a window is left open.
Take care to ensure that power cable
could not be pulled out or damaged during
operation.
There is risk of fire or electric shock.
Do not place anything on the power
cable.
There is risk of fire or electric shock.
Do not plug or unplug the power
supply plug during operation.
There is risk of fire or electric shock.
Do not touch (operation) the product
with wet hands.
Do not place a heater or other
appliance near the power cable.
There is risk of fire and electric shock.
Do not allow water to run into
electrical parts.
It may cause fire, failure of the product, or
electric shock.
Do not store or use flammable gas or
combustible near the product.
There is risk of fire or failure of product.
Do not use the product in a tightly
closed space for a long time.
Oxygen deficiency could occur.
When flammable gas leaks, turn off
the gas and open a window for ventilation
before turn the product on.

2
If strange sounds or smoke comes
from product, turn the breaker off or
disconnect the power supply cable.
There is risk of electric shock or fire.
Stop operation and close the window
in storm or hurricane. If possible, remove
the product from the window before the
hurricane arrives.
There is risk of property damage, failure of
product, or electric shock.
Do not open the inlet grill of the
product during operation. (Do not touch the
electrostatic filter, if the unit is so equipped.)
There is risk of physical injury, electric shock,
or product failure.
When the product is soaked, contact
an authorized service center.
There is risk of fire or electric shock.
Be caution that water could not enter
the product.
There is risk of fire, electric shock, or product
damage.
Ventilate the product from time to
time when operating it together with a stove
etc.
There is risk of fire or electric shock.
Turn the main power off when
cleaning or maintaining the product.
There is risk of electric shock.
When the product is not be used for a
long time, disconnect the power supply plug
or turn off the breaker.
There is risk of product damage or failure, or
unintended operation.
Take care to ensure that nobody
could step on or fall onto the outdoor unit.
This could result in personal injury and
product damage.
CAUTION
Always check for gas (refrigerant)
leakage after installation or repair of
product.
Low refrigerant levels may cause failure of
product.
Install the drain hose to ensure that
water is drained away properly.
A bad connection may cause water leakage.
Keep level even when installing the
product.
It can avoid vibration of water leakage.
Do not install the product where the
noise or hot air from the outdoor unit could
damage the neighborhoods.
It may cause a problem for your neighbors.
Use two or more people to lift and
transport the product.
Do not install the product where it will
be exposed to sea wind (salt spray) directly.
It may cause corrosion on the product.
Corrosion, particularly on the condenser and
evaporator fins, could cause product
malfunction or inefficient operation.
Operational
Do not expose the skin directly to
cool air for long time. (Do not sit in the
draft).
Do not use the product for special
purposes, such as preserving foods, works
of art etc. It is a consumer air conditioner,
not a precision refrigerant system.
There is risk of damage or loss of property.
Do not block the inlet or outlet of air
flow.
Use a soft cloth to clean. Do not use
harsh detergents, solvents, etc.
There is risk of fire, electric shock, or damage
to the plastic parts of the product.
Do not touch the metal parts of the
product when removing the air filter. They
are very sharp.
Do not step on or put anything on the
product. (outdoor units)
Always insert the filter securely.
Clean the filter every two weeks or more
often if necessary.
A dirty filter reduces the efficiency of the air
conditioner and could cause product
malfunction or damage.

3
Do not insert hands or other objects
through air inlet or outlet while the product
is operated.
Do not drink the water drained from
the product.
Use a firm stool or ladder when
cleaning or maintaining the product.
Be careful and avoid personal injury.
Replace the all batteries in the remote
control with new ones of the same type. Do
not mix old and new batteries or different
types of batteries.
There is risk of fire or explosion.
Do not recharge or disassemble the
batteries. Do not dispose of batteries in a
fire.
They may burn of explode.
If the liquid from the batteries gets
onto your skin or clothes, wash it well with
clean water. Do not use the remote of the
batteries have leaked.

4
2. Part Names and Features
2.1 Model Names of Indoor/Outdoor units
Regular
ODU
HI HEAT
ODU Ducted Floor Ceiling Cassette
CZP09CD(O) CHF09CD(O) CPA-09B TPA-09
CZP12CD(O) CHF12CD(O) CPA-12B TPA-12
CZP18CD(O) CHF18CD(O) CPA-18B FPA-18 TPA-18
CZP24CD(O) CHF24CD(O) CPA-24B FPA-24 TIP24
CZP36CD(O) CHF36CD(O) CPA-36DUB FPA-36DU TIP36
CZP48CD(O) CHF48CD(O) CPA-48DUB FPA-48DU TIP48
CZP60CD(O)-B CHF60CD(O) CPA-60DU FPA-60DU

5
2.2 Part names of Indoor/Outdoor units
Cassette Units

6
New Cassette Units
1
24
36
7
8
8
9
5
1
2
3
4
5
6
7
8
9
FPA Duct Units

7
Console Units

8
Ceiling-floor Units

9
HESP DUCT Units

10
2.3 Features
2.3.1 Cassette Units
2.3.1.1 Lower Noise
Optimize air channel system design to ensure the maximum quietness and comfort.
Noise max down 6dB.
2.3.1.2 Turbo Mode (Optional)
Turbo function can boost cooling or heating speed in a short period, and makes the room cool
down or heat up rapidly.
2.3.1.3 Fire-proof Controller Box
Electrical control box adopts new design, which can meet higher fire safety requirements.
2.3.1.4 Fresh Air
Fresh air intake function bring you fresh and comfortable air feeling.
2.3.1.5 Wired Controller (Optional)
Old New
Turbo Mode (After 30 min)
Cold Hot
Common vs. Turbo
Old
New

11
Compared with infrared remote controller, wired controller can be fixed on the wall and avoid
mislaying. It's mainly used for commercial zone and makes air conditioner control more
convenient.
2.3.1.6 Build-in Drain Pump
The drain pump can lift the condensing water up to 750mm upmost.
It’s convenient to install drainage piping under most space condition.
2.3.1.7Terminals For Alarm Lamp and Long-distance On-off Controller Connection Are
Standard
Reserve terminals for the connection of alarm lamp and long-distance on-off controller, more
human control.

12
2.3.2 Console Units (not for USA market)
2.3.2.1. Modern and Elegant Appearance
The simple and stylish designs can nicely harmonies with your living space.
2.3.2.2. Two Air-outlet Ways
Cooling mode
Quick Cooling To maintain room temp
Air outlet from top and bottom to make quick cooling ------When the A/C is just switched on, or
room temp. is still high, cold air will be blown out from top and bottom air outlet to cool down the
room quickly
Air outlet from top to maintain room temp. ----When the room has been cooled down, or the A/C
has been opened over 1 hour, cold air only from the top outlet to keep constant room temp
Heating mode
Anti-cold air ------When the AC is just turn on, temperature of evaporator is very low, in this case,
in order to prevent cold air direct blowing, only the upper louver is opened in a high position, the
lower louver closed.

13
2.3.2.3. Four Air Inlets
2.3.2.4. Low Noise
DC indoor fan motor, which has five speeds.
Low noise and energy saving.
Advanced centrifugal fan technology makes a fast airflow and reduces the indoor noise.

14
2.3.3 Ceiling-floor Units
2.3.3.1 Two-way Installation
The rounded design of the ceiling and floor type air conditioner allows either ceiling or floor-level
installation. Ceiling installation saves room space, while floor installation helps prevent the loss of
warm air.
2.3.3.2 Brief Design
Brief design that is suitable for any interior will not only give you cooling and heating performance
but also upgrade your lifestyle.
2.3.3.3 3D Airflow
Vertical air flow and horizontal airflow can be adjusted by remote controller, the cooperation of the two
airflow ways help to spread air comfortably throughout even a large room. With these functions, the
whole room can be evenly air-conditioned for both floor-level and ceiling installation.
2.3.3.4 Optional Drainage Pipe Connection
Both right side and left side drainage holes are available to avoid the space limitation for drainage
pipe installation. Make you more convenient during installation.
2.3.3.5 Convenience Operating and Easy Maintenance
Remote controller as standard, wired controller for optional.
The filter without screw fixed, can be took out easily.
2.3.3.6 Easy Installation, Save Working Time
The pipes can be connected from bottom, back and right side, makes the installation more easily.
The wiring works can be finished before installation.

15
2.3.3.7 Outside Water Pump for Optional When Ceiling Installation.

16
2.3.4 FPA Duct Units
2.3.4.1. Higher Static Pressure
As a ducted air conditioner with medium static pressure, it has the widest static pressure range.
The maximum static pressure reaches 160Pa
2.3.4.2. Slim Design
The industry Lowest height is designed to be fitted into tight roof spaces.
*18K unit - 210mm,24K/36K unit - 249mm,48K unit -300mm
2.3.4.3.Flexible Air Intake Way (Bottom side or Rear side)
The frame size of air inlet in rear and bottom is the same. It’s very easy to switch to match different
application.
2.3.4.4. Communication wire connection
Air intake from rear (Standard) Air intake from bottom (Optional)

17
FPA duct uses two wires without polarity connection way, which almost has no mistake during the
installation.
2.3.4.5. Easy Clean
With a larger window design, once the motor and the blower wheels have been detached, heat
exchanger and water receiver tray in behind can be seen very clearly. Dust can be easily removed
from the inside by vacuum
2.3.4.6. Fresh air intake function(Optional)
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.
A ventilation motor (provided by the installer) can be installed inside the fresh air duct to improve
the fresh air volume. There are reserved ports for this motor on main PCB (Standard for 3D
inverter units, and only optional for DC inverter 53~160 units).