Cooper & Hunter CHV-07WTU Instruction Manual

ORIGINAL INSTRUCTIONS
VRF INDOOR UNIT
Wall-
Mounted
Type
CHV-07WTU
CHV-09WTU
CHV-12WTU
CHV-15WTU
CHV-18WTU
CHV-24WTU
CHV-28WTU




This product is a partial unit air conditioner, complying with partial unit requirements of this International
Standard, and must only be connected to other units that have been confirmed as complying to
corresponding partial unit requirements of this International Standard.
The model pictures in this manual are only for illustration. Please refer to the actual appearance.
The lowest moving parts should be mounted at least 8ft.(2.4m) above floor or grade level.
Refer to Installation & Maintenance Manual of outdoor unit for temperature operation range.
Immediate hazards which will result in severe personal injury or death.
Hazards or unsafe practices which could result in severe personal
injury or death.
Hazards or unsafe practices which could result in minor personal
injury or product or property damage.

's
's
IMPORTANT NOTICE
Correct Disposal of this product
This marking indicates that this product should not be disposed with other
household wastes. To prevent possible harm to the environment or human
health from uncontrolled waste disposal, recycle it responsibly to promote the
sustainable reuse of material resources. To return your used device, please use
the return and collection systems or contact the retailer where the product was
purchased. They can take this product for environmentally safe recycling.
The Company is committed to continuous product improvement. We reserve the right, therefore, to alter the
product information at any time and without prior announcement.

7
7
8
7
7
7
9
8
8
1
12
12
14
Section2 Installation & Maintenance Manual
Setting of Swing Louver
Filter Cleaning
TakingOuttheFilter
Cleaning the Filter
Reset ofFilterIndication
5







1
1
3

4
4
5
5
Identification of Parts
Remote Control Switch
Signal Receptor

19
15
1
1
18
18
19
19
Common
21
the Filter Indication Interval
10.4 Indoor Unit Address 22
10.3
10.2
10.1

1207 09
Wall-Mounted
Type



The appliance is not to be used by children
Children should be supervised that they
do not play with the appliance.
The appliance should not be installed in the
(kBtu/h)
or person with reduced physical, sensory
or mental capabilities, or lack of experience
and knowledge, unless they have been
given supervision or instruction concerning
use of the appliance by a person
responsible for their safety.
laundry.
 If the supply cord is damaged, it must be
replaced by the manufacturer, its
service agent or qualified persons in
order to avoid a hazard.
15 18 24
Do not use any sprays such as
insecticide, lacquer, hair spray or other
flammable gases within approximately
() from the system.
28

2
2.1 Identification of Parts
Fig.2.1 External Parts of the System










Figures in the manual are only simple representation of the appliance.
It may not comply with the appearance of the air conditioner you purchased.


2
5
3
1
 
Display introduction
4
Fig.4.1 Signal Receptor
To operate the room air conditioner, aim the remote controller to the signal receptor.
The remote controller will operate the air conditioner at a distance of up to 15(5)
when pointing at signal receptor of indoor unit.
Signal display lights for 10 seconds, when operate the wireless remote control switch.
 ..............................................................................
3
2
5
..............................................................................
4




 



 .............................................................................




1
3. Remote c trol Switch
Refer to the control instruction manual for operation details.

4
5.
Make sure that the outdoor unit is not
covered with snow or ice. If covered,
remove it by using hot water
(approximately ).
If the water temperature is higher than
, it will cause damage to
plastic parts.
1.
2.
3.
There exists a time lag between the actual
angle of the louver and the liquid crystal
indication.
When the "  " switch is pressed, the
louver will not stop immediately. The louver
will move one extra swing at the next.
Discharge air angle is fixed at horizontal
position during start-up of heating operation
and defrosting operation. When the outlet air
temperature reaches higher than approximately
30°C, swinging of louvers is started.
4. During the defrosting operation, fan stops
running.

7
8.
5
8.1

9
9.1
9.2
9.3
9.4

8.2
8.3
approximately.
d
“ RESET”
water.
     
     
    

7
2. Necessary Tools and Instrument List for Installation
equipments for R410A
Do not install the indoor unit,
outdoor unit, remote control
switch and cable within
approximately ()
from strong electromagnetic
wave radiators such as
medical equipment.
Users shall not change power
lines by themselves, please
be replaced by professional
maintenance staffs.
irrelevant

8
Accessory Quantity Purpose
Mounting
Bracket
Screw
Screw Cover
For Mounting Indoor Unit
For Mounting Bracket
Cover screw hole
9-8(1000)
Fig. 4.1 Operation and Maintenance Space Fig. 4.2 Hole for Piping in the Wall
For Refrigerant Pipe
Thermal
Insulation Pipe
6
1（07-12）
3（15-28）
1
1
Wall
54(2) to
11(5)
Diameter of 2-91(5)
Hole for Piping
INDOOR
UNIT
8(24)
5-292(150)
-151(100)
unit:()
wall and
hanging
board
1
Wireless Remote
Control Switch For Control the Indoor Unit
6For Mounting Bracket
Plug
-151
(100)
unit:()
2For Refrigerant Pipe
Refirgerant
Pipe Connection
For Piping Connection Kit (Gas)
(12(127)→8(95))
Cangeoe tue 107-12

9
4.3 Installation
The dimensions of the mounting bracket and the
unit installation are indicated in Fig. 4.3.
4.3.1 Mounting Bracket onto Wall
When the mounting bracket is directly attached
to a wood wall or a concrete wall, check to ensure
of 0.45kip(2000N).
Mounting on a Concrete Wall or a Concrete Block
Wall: Attach the mounting bracket to the wall with
anchor bolts as shown in Fig. 4.4.
Mounting Bracket
Screw
Fig. 4.4 Mounting on Concrete Wall or
Concrete Block Wall
Fixing Screw for
Mounting Bracket
Mounting
Bracket
Utilize Six Screws.
NOTE
The mounting bracket should be installed
so that the side of drain piping connected
is slightly (about 18()) lower than
the other side, in order to avoid the
incorrect position of the drain discharge.
(Drain piping connection can be performed
both right side and left side of the unit.)
98()
Plug
Drill holes with
depth of 1-17/64in.
(32mm) in the wall

Servlce Space
Servlce Space
Servlce Space
Servlce Space
Servlce Space Servlce Space
Outline of the Unit
Outline of the Unit
Outline of the Unit
Hole（2-91(5)）
for Pipe and Wring
10
18～28
Fig.4.3 Mounting Bracket
15
07～12
unit:()
1-37/6440 4-49/64121
3-3/6490
1-7/3231
-151(100)
2-4(70)
20-54(522)
5(127)
-151(100)
-151(100)
22-2(51)
2-192()
-74(155)
-151(100)
Hole（2-91(5)）
for Pipe and Wring
Hole（2-91(5)）
for Pipe and Wring
Hole（2-91(5)）
for Pipe and Wring
Hole（2-91(5)）
for Pipe and Wring
Hole（2-91(5)）
for Pipe and Wring
-151(100)
22-2(51)
11-2764(290)
-151(100)
2-192(66)
7-4164(194)
1-5764(48)
2-1364(56)
7-292(201)

One Each Side
11
Hook
Hook
4.3.2 Mounting the Indoor Units
Hook the indoor unit to the mounting bracket,
maintaining the indoor unit upright.
Fig 4.5 Mounting of the Indoor Units
4.3.3 Removing Flat Panel
In order to connect the refrigerant piping,
wiring and to check drain water flow, removing
the flat panel is needed. Perform these work
according to the following instructions. Pay
attention to the resin components not to scratch.
(1) Hold both sides of the flat panel and open it,
and pull the right arm toward the inner side.
Slightly close the flat panel and pull it, then
remove the flat panel.
Flat Panel
(2) Pay attention to the junction of grille
from each side, to prevent breaking off.
Fig 4.6 Slop angle of the Indoor Units
(1) The side of the drain pipe is
downward-sloping 2 degrees or 3 degrees
in the process of the unit installation.
(2) Check the drainage of the drain pan
through water overflow test.
Drain Piping
Mounting
Bracket
Catch
Slowly hold up and
press the unit downward.
Check to ensure that the unit is completely
hooked onto the mounting bracket. If not, it
may drop from the bracket, resulting in a
serious accident.

Flat Panel
Unit Body
Any gap will lead to leak or frost.
unit:in.(mm)
Liquid pipe
Gas pipe

12
Stoppers
(2) There are four stoppers inside of the
flat panel. Check to ensure that there is no
gap between flat panel and unit body.
4.3.4 Install Flat Panel
(1)Press flat panel down, make the two joints of the
flat panel tightly fasten.
5.1 Piping Materials
(1) Prepare locally-supplied copper pipes.
(2) Select the piping size from the following table.
(3) Select clean copper pipes making sure there
is no dust and moisture inside the tubes. Before
connecting pipes, blow the inside of the pipes
with nitrogen or dry air to remove any dust or
foreign materials.
When removing flat panel, do not
apply strong forces by hitting, etc. It
may break the unit body.
R410A
07~
18 2
Model (kBtu/h
5/8( 15.88)
3/8 9.531/4( 6.35)
(3) Put screws cover into the screw hole in the air outlet.
 1/2( 12.7)
07-12
15-28
1/4( 6.35)
3/8 9.53

Insulation
For Left Side Piping For Right Side Piping
Contour of the Unit
Bend the gas pipe at the flexible pipe part.
Insulation
Fig.5.2 Gas pipe
1
Contour of the Unit
For Right side Piping
For Left Side Piping
For Rear Side Piping
For Rear Side Piping
Small Cover
Right Side Cover
5.2 Piping Connection
(1) Position of piping connection is shown in
Figure 5.1 and 5.2.
(2) Piping Direction for the Indoor Unit: Three
directions of piping connection to the indoor
unit can be performed; to the rear side, the right
side and the left side of the unit respectively.
Therefore, most appropriate piping for a room can
be selected.
Right Side Piping
Take off the small cover from right side.
Take off the small cover from left side.
Rear Side Piping
Bend pipe backwards directly.
Small Cover
Cover
Left Side Piping
Left Side
d
d
unit:in.(mm)
ac
Model(kBtu/h)
(78)
3-5/64
d
18 ~28
15
(76)
3
b
(396)
15-19/32
(431)
16-31/32
12-33/64
(355)
1331/32
( 25R)
63/64R
( 20R)
25/32R
(101)
3-31/32
07~12 (390)
15-23/64
(289)
11-3/8
( 15R)
19/32R
Fig. 5.1 Liquid pipe
ac
Model(kBtu/h)
64
2-33/64
unit:in.(mm)
d
18 ~ 28
15
60
2-23/64
b
437
17-13/64
464
18-17/64
373
14-11/16
404
15-29/32
10R
25/64R
20R
25/32R
86
3-25/64
07~12 456
17-61/64
370
14-9/16
10R
25/64R
he bed he ppes l 
he ppe a he hea ehae sde
(318)

Fig.5.3 Tightening Work of Flare Nut
Fig. 5.4 Insulation on pipes
6. Drain Piping
14
148(20)
44(0)
Torque(())
(3) When tightening the flare nut, use two
spanners as shown in Fig. 5.3
(4) Insulate the refrigerant pipes as shown in
Fig. 5.4.
(5) Evacuation and refrigerant charging procedures
should be performed according to “Installation &
Maintenance Manual ” of the outdoor unit.
(2) when the left-side drain pipe connection is
performed, remove the drain plug of left-side,
and then attach this plug to the right-side
in order to change drain piping connection
from right-side to left-side.
An excess or a shortage of
main cause of
Charge the
refrigerant is the
correct refrigerant quantity.
trouble to the units.
45
Contour of the Unit
Drain Pipe
Connection
for Vinyl Pipe
(VP16)
 65 Hole for
Rear Side Connection for
Wiring and Piping
(1) The standard direction of drain piping connection is
right side as viewed from the discharge grilles.
However, it can be performed from the left side or rear
side.
Pipe Diameter

295(40)
59(80)
a
b
Fig. 5.5
Stopper
Plate for Pipe
(6) Fix the plate of pipes (factory-supplied) as
shown in Fig. 5.5.
Thermal Insulation Pipe
(Accessory)
• Please use pliers to pull out the drain plug
CAUTION Insufficient insert may
water leakage.
result in
Drain pipeDrain plug
screw
•Remove the fixing screw for right-side
drain pipe and draw out the drain pipe
for left-side. (This is an easier way to
remove the drain cap).
from drain boss.
•Insert the drain plug into the right-side drain boss and seal
the jointed part with water-proof chloride sealing material.
screw
Insert the drain pipe into
the left-side drain boss
and fix the screw.
(B) Insert the drain plug and drain pipe
(A) Draw out the drain plug and drain pipe
Fig. 6.1
a
Model(kBtu/h)
unit:()
18~28
15
195
7-43/64
168
6-39/64
600
23-5/8
b
Direction of Drain Piping
600
23-5/8
07~12 140
5-33/64
590
23-15/64


7
2-91