Eco Air ECO2401SN Installation manual

Eco Air ECO2401SN Installation manual
R410A SPLIT SERIES
FIXED SPEED
Models
ECO901SN
ECO1201SN
ECO1801SN
ECO2401SN
Before using your air conditioner, please read
this manual carefully and keep it for future reference.
CONTENTS
DISPOSAL.........................................................................................2
BS PLUG WIRING.............................................................................3
SAFETY PRECAUTIONS...................................................................4
INSTALLATION OF INDOOR AND OUTDOOR UNITS.......................5
INSTALLATION INSTRUCTIONS......................................................5
ELECTRICAL WORK ........................................................................11
AIR PURGING ..................................................................................14
TEST RUNNING............................................................................... 16
! WARNING
Do not install, remove and reinstall the unit by yourself.
Improper installation will cause water leakage, electrical shock,
or fire. Please consult authorized dealer or specialist for the
installation work. Please note fault caused by improper
installation is not covered by warranty.
Unit must be installed in an easily accessible area. Any
additional cost required to hire a special equipment to
service the unit will be the responsibility of the customer.
1
Contents
DISPOSAL
When using this air conditioner in the European countries, the follow
information must be followed:
DISPOSAL: Do not dispose this product as unsorted waste.
It is prohibited to dispose of this appliance in domestic household waste.
For disposal, :
A) Contact your local council for disposal.
B) The manufacture will take back the old appliance for disposal when you replace
with a new product.
C) Old products contain valuable resources, which should be recycled as scrap
metal.
Wild disposal of waste in forests and landscapes endangers your health when
hazardous substances leak into the ground-water and find their way into the food
chain.
2
2
Disposal
BS PLUG WIRING
(For models up to 12000 Btu)
Wiring Instructions: Should it be necessary to change the plug please
note the wires in the mains lead are coloured in accordance with the
following code :
BLUE - NEUTRAL
BROWN LIVE
GREEN AND YELLOW - EARTH
As the colours of the wires in the mains lead of this appliance may not
correspond with the coloured markings identifying the terminals in your
plug, proceed as follows:
The BLUE wire is the NEUTRAL and must be connected to the terminal
which is marked with the letter N or coloured BLACK.
The BROWN wire is the LIVE and must be connected to the terminal
which is marked with the letter L or coloured RED.
The GREEN/YELLOW is the EARTH and must be connected to the
terminal which is marked with the letter E or or coloured GREEN OR
GREEN/YELLOW.
Always ensure that the cord grip is positioned and fastened correctly.
If a 13A (BS 1363) fused plug is used it must be fitted with a 13A fuse.
If in doubt consult a qualified electrician.
Wiring for a 13 Amp Plug (BS1363)
Please note. The Earth Terminal is marked with the letter E or
Symbol.
3
BS Plug Wiring
Earth
SAFETY PRECAUTIONS
The following should be always observed for safety:
Be sure to read the following WARNING before installing the air
conditioner.
Be sure to observe the cautions specified here as they include
important items related to safety.
After reading this instructions, be sure to keep it together with the
owners manual in a handy place for future reference.
! WARNING
Perform the installation securely referring
to the installation instruction.
Do not install it yourself.
Incorrect installation could cause injury due to fire,
electric shock, the unit falling or leakage of water.
Consult the dealer from whom you purchased the
unit or special installer
Install the unit securely in a place which
can bear the weight of the unit.
When installed in an insufficiently strong place,
the unit could fall causing injury.
Use the specified wires to connect the
indoor and outdoor units securely and
attach the wires firmly to the terminal
board connecting sections so the stress
of the wires is not applied to the sections
Incorrect installation could cause a personnel
injury due to fire, electric shock, the unit falling
or leakage of water.
Perform electrical work according to the
installation manual and be sure to use an
exclusive circuit.
If the capacity of the power circuit is insufficient
or there is incomplete electrical work, it could
result in a fire or an electric shock.
Check that the refrigerant gas does not
leak after installation is completed.
Incorrect connection and fixing could cause a fire.
Be sure to use the part provided or
specified parts for the installation work.
Attach the electrical part cover to the indoor unit and
the service panel to the outdoor unit securely.
The use of defective parts could cause an injury
due to a fire, electric shock, the unit falling, etc.
If the electrical part covers of the indoor unit
and/or the service panel of the outdoor unit
are not attached securely, it could result in a
fire or electrical shock due to dust, water, etc.
! CAUTIONS
Do not install the unit in a place where
a flammable gas leaks.
If gas leaks and accumulates in the area
surrounding the unit, it could cause a
explosion.
4
Safety precautions
Perform the drainage/piping work according to the
installation instruction.
If there is a defect in the drainage/piping work,
water could leak from the unit and household
goods could get wet and be damaged.
INSTALLATION OF INDOOR AND OUTDOOR UNITS
Read completely, then follow step by step.
More than 15cm
Indoor unit
Do not expose the indoor unit to heat or steam. More than 12cm
More than 12cm
Select a place where there are no obstacles
in front or around the unit.
Make sure that condensation drainage can
2.3m or more
be conveniently routed away.
Do not install near a doorway.
Ensure that the space on the left and right
Fig.1
of the unit is more than 12cm.
Use a stud finder to locate studs to prevent unnecessary damage to the wall.
A minimum pipe run of 3 metres is required to minimise vibration & excessive noise.
The indoor unit should be installed on the wall at a height of 2.3 metres or more
from the floor .
The indoor unit should be installed allowing a minimum clearance of 15cm from
the ceiling.
Any variations in pipe length will/may require adjustment to refrigerant charge.
There should not be any direct sunlight. Otherwise, the sun will fade the plastic
cabinet and affect its appearance. If unavoidable, sunlight prevention should
be taken into consideration.
Outdoor unit
More than 60cm
If an awning is built over the outdoor unit to More than 30cm
prevent direct sunlight or rain exposure,
make sure that heat radiation from the
condenser is not restricted.
Ensure that the clearance around the back
More than 60cm
of the unit is more than 60cm and left side is
more than 30cm. The front of the unit should
have more than 200cm of clearance and the More than 200cm
connection side (right side) should have more
than 60cm of clearance.
Do not place animals and plants in the path of the air inlet or outlet.
Take the air conditioner weight into account and select a place where noise
and vibration will not be an issue.
Select a place so that the warm air and noise from the air conditioner do not
disturb neighbors.
Rooftop installation:
If the outdoor unit is installed on a roof structure, be sure to level the unit.
Ensure the roof structure and anchoring method are adequate for the unit
location.
Consult local codes regarding rooftop mounting.
If the outdoor unit is installed on roof structures or external walls, this may
result in excessive noise and vibration, and may also be classed as a non
serviceable installation.
5
Installation Instruction
Items packed with the unit
Number
Q ty
Name of Accessories
1
Installation Plate
1
2
Clip Anchor
8
3
Self-tapping Screw A ST3.9X25
4
Seal
Drain Joint
8
1
5
1
Connecting Liquid side
pipe
Assembly
Gas side
6
6.35
9.53
( 18000Btu/h model)
9.53
( 12000Btu/h model)
Parts you
must
purchase
( 24000Btu/h model)
12.7
(12000Btu/h model & 18000Btu/h model)
16
( 24000Btu/h model )
7
Remote controller
1
8
Self-tapping Screw B ST3.9X10
2
9
Remote controller holder
1
Note: Except the above parts provided, the other parts needed during
installation you must purchase.
3
CAUTION
2
15cm above
12cm
1
Ensure that the space around the left and
right of the indoor unit is more than 12cm.
The indoor unit should be installed allowing
a minimum clearance of 15cm from the
ceiling.
Use a stud finder to locate studs to prevent
unnecessary damage to the wall.
A minimum pipe run of 3 metres is required
to minimise vibration & excessive noise.
The indoor unit should be installed on the
wall at a height of 2.3 metres or more from
the floor .
Two of the A, B and C directions should be
free from obstructions.
=
abo
ve
12cm ab
Air F
ove
ilter
Air Outlet
A
30c
ma
bov
60cm above
6
Remote Controller
30c
B
200
cm
Mounting screw B
ST3.9x10-C-H
7
e
m
v
abo
e
AUTO
FAN
COOL
HIGH
DRY
MED
HEAT
LOW
TEMP
ve
abo
MODE
ON/OFF
SWING
ECONOMY
RESET LOCK
9
FAN
TIMER
8
CANCEL
R
DIGITAL DISPLAY
60c
ma
bov
e
C
Loop the
connective
cable.
Remote controller
holder
Fig.3
6
Installation Instruction
This illustration is for explanation purposes only.
Copper lines must be insulated independently
INSTALLATION INSTRUCTIONS
Correct orientation
of Installation Plate
INDOOR UNIT INSTALLATION
1. Fit the Installation Plate
1. Fit the installation plate horizontally
on structural parts of the wall with
spaces around the installation plate.
2. If the wall is made of brick, concrete or
the like, drill eight (8) 5mm diameter holes
in the wall. Insert Clip anchor for appropriate
mounting screws.
3. Fit the installation plate on the wall
with eight (8) type “A” screws.
Indoor unit outline
Fig.4
150mm or more to ceiling
Installation plate
192
120mm or
more to wall
90
45
40
Left rear side
refrigerant
pipe hole 65
120mm or
more to wall
Right rear side
refrigerant
pipe hole 65
40
Fit the Installation Plate and
drill holes in the wall according
to the wall structure
and corresponding mounting
points on the installation plate.
The installation dimensions are
slightly different according to
different models.
192
250
Note:
710
(1)
150mm or more to ceiling
Installation plate
Indoor unit outline
160
Left rear side
refrigerant
pipe hole 65
270
90
45
40
120mm or
more to wall
160
40
(Dimensions are in “mm”
unless otherwise stated)
780
120mm or
more to wall
Right rear side
refrigerant
pipe hole 65
(2)
150mm or more to ceiling
380
Right rear side
refrigerant
pipe hole 65
22
120mm or more
from the wall
130
65
130
65
(3)
2. Drill a hole in the wall
1. Determine hole positions according to
the diagram detailed in Fig.5. Drill
one (1) hole ( 65mm for models up to
18000btu, 9 5mm for models above
24000btu ) slanting slightly to outdoor side.
2. Always use wall hole conduit when
drilling metal grid, metal plate or the like.
7
Installation Instruction
50
920
120mm or
more to wall
138
380
50
45
90
315
275
228
120mm or
more to wall
150mm or more from the ceiling
1036
(4)
Fig.5
Indoor
Indoor Unit Outline
Wall
Outdoor
5-7mm
226
Left rear side
refrigerant
pipe hole 65
Hooked Part
Installation plate
Indoor unit outline
Fig.6
120mm or more
from the wall
3. Connective Pipe and Drainage Installation
Drainage
1. Run the drain hose sloping downward. Do not install the drain hose as illustrated
below.
Do not block water flow by a rise.
Do not put the end of
drain hose into water.
Fig.6
2. When connecting extension drain hose, insulate the connecting part of extension
drain hose with a shield pipe, do not let the drain hose slack.
Connective pipe
1. For the left-hand and right-hand piping, remove the pipe cover from the side panel.
Explain to clients that the pipe cover must be kept as it may be used when relocate the
air conditioner to any other place.
2. For the rear-right-hand and rear-left-hand piping, install the piping as shown. Bend the
connective pipe to be laid at 43mm height or less from the wall.
3. Fix the end of the connective pipe. (Refer to Tightening Connection in REFRIGERANT
PIPING CONNECTION)
Indoor unit outline
Pipe holder
Connective pipe
43
Pipe Cover (left)
Left piping
Pipe Cover
(right)
Right piping
Left back piping
. .. .
.
. ..
.... ......................................
.................................................................
Right back piping
.......
............
Fig.8
Fig.7
4. Indoor unit installation
1. Pass the piping through the hole in the wall.
2. Put the upper claw at the back of the indoor unit on
the upper hook of the installation plate, move the
indoor unit from side to side to see that it is securely
hooked.
3. Piping can easily be made by lifting the indoor unit
with a cushioning material between the indoor unit
and the wall. Get it out after finish piping.
4. Push the lower part of the indoor unit up on the wall,
Then move the indoor unit from side to side, up and
down to check if it is hooked securely.
8
Installation Instruction
Upper Hook
Lower Hook
Cushioning
material
Fig.9
5. Piping and wrapping
Bundle the tubing, connecting cable, and
drain hose with tape securely,
evenly as shown in Fig.10.
Because the condensed water from rear
of the indoor unit is gathered in ponding
box and is piped out of room. Do not put
anything else in the box.
Indoor unit
Connective
cable
Ponding box
Pipe room
Connective
pipe
Wrapping belt
Drain hose
Fig.10
CAUTION
Connect the indoor unit first, then the outdoor unit.
Do not allow the piping to let out from the back of the indoor unit.
Be careful not to let the drain hose slack.
Heat insulated both of the auxili ary piping.
Be sure that the drain hose is located at the lowest side of the bundle. Locating
at the upper side can cause drain pan to overflow inside the unit.
Never intercross nor intertwist the power wire with any other wiring.
Run the drain hose sloped downward to drain out the condensed water smoothly.
OUTDOOR UNIT INSTALLATION
Outdoor installation precaution
Install the outdoor unit on a rigid base to prevent increasing noise level and vibration.
Determine the air outlet direction where the discharged air is not blocked.
In the case that the installation place is exposed to strong wind such as a seaside,
make sure the fan operating properly by putting the unit lengthwise along the wall
or using a dust or shield plates.
Specially in windy area, install the unit to prevent the admission of wind.
If need suspending installation, the installation bracket should accord with technique
requirement in the installation bracket diagram. The installation wall should be solid
brick, concrete or the same intensity construction,
or actions to reinforce, damping supporting should
be taken. The connection between bracket and
Strong
wall, bracket and the air conditioner should be
wind
firm, stable and reliable.
Be sure there is no obstacle which block
radiating air.
Fig.11
9
Installation Instruction
Settlement of outdoor unit
Anchor the outdoor unit with a bolt and
nut
10 or 8 tightly and horizontally
on a concrete or rigid mount.
A
Outdoor unit dimension Mounting dimensions
mm(WxHxD)
A(mm)
B(mm)
458
250
685x430x260
460
276
780x540x250
549
276
760x590x285
530
290
845x695x335
560
335
895x860x330
590
333
Air inlet
B
700x535x235
Air inlet
Air outlet
Fig.12
Drain joint installation
Fit the seal into the drain elbow, then insert
the drain joint into the base pan hole of
outdoor unit, rotate 90 to securely assemble
them. Connecting the drain joint with an
extension drain hose (Locally purchased),
in case of the water draining off the outdoor unit
during the heating mode.
Seal
Base pan hole of
outdoor unit
Drain joint
Seal
Drain pipe
Fig.13
REFRIGERANT PIPING CONNECTION
1. Flaring work
Main cause for refrigerant leakage
90
Oblique Roughness
is due to defect in the flaring work.
Carry out correct flaring work
using the following procedure:
A: Cut the pipes and the cable.
Fig.14
1. Use the piping kit accessory or pipes
purchased locally.
2. Measure the distance between the indoor and the outdoor unit.
3. Cut the pipes a little longer than the measured distance.
4. Cut the cable 1.5m longer than the pipe length.
Pipe
B: Burr removal
1. Completely remove all burrs from the cut
cross section of pipe/tube.
2. Put the end of the copper tube/pipe in a
downward direction as you remove burrs in
order to avoid dropping burrs into the tubing.
10
Installation Instruction
Reamer
Point down
Fig.15
Burr
C: Putting nut on
Remove flare nuts attached to indoor and
outdoor unit, then put them on pipe/tube
having completed burr removal.(not possible
to put them on after flaring work)
Flare nut
Copper tube
D: Flaring work
Firmly hold copper pipe in a die in the
dimension shown in the table below.
Fig.16
"A"
Bar
Handle
Bar
Yoke
Outer diam.
(mm)
A(mm)
6.35
9.53
12.7
Max.
1.3
1.6
1.8
Min.
0.7
1.0
1.0
16
2.4
2.2
Cone
Copper pipe
Clamp handle
Red arrow mark
Fig.17
Tightening Connection
Align the center of the pipes..
Indoor unit tubing Flare nut
Sufficiently tighten the flare
nut with fingers, and then tighten
Fig.18
it with a spanner and torque wrench
as shown.
CAUTION
Excessive torque can break nut
depending on installation conditions.
ELECTRICAL WORK
Outer
diam.
Pipings
Fig.19
Tightening Additional tightening
torque(N.cm)
torque(N.cm)
9.53
1570
(160kgf.cm)
2940
(300kgf.cm)
1960
(200kgf.cm)
3430
(350kgf.cm)
12.7
4900
(500kgf.cm)
16
4500
(459kgf.cm)
5390
(550kgf.cm)
4700
(479kgf.cm)
6.35
Electric safety regulations for the initial Installation
1. If there is serious safety problem about the power supply, the technicians should refuse
to install the air conditioner and explain to the client until the problem is solved.
2. Power voltage should be in the range of 90%~110%of rated voltage.
3. The creepage protector and main power switch with a 1.5 times capacity of Max. Current
of the unit should be installed in power circuit.
4. Ensure the air conditioner is grounded well.
5. According to the attached Electrical Connection Diagram located on the panel of the outdoor
unit to connect the wire.
6. All wiring must comply with local and national electrical codes and be installed
by qualified and skilled electricians.
7. An individual branch circuit and single receptacle used only for this air conditioner must be
available. See the following table for suggested wire sizes and fuse specifications:
11
Electrical work
Electrical work (For models up to 18000Btu)
Model
Power supply
Input Rated Amp
(Switch/Fuse)
12000Btu/h
13A
18000Btu/h 220-240V~ 50Hz
20A
>18000Btu/h
32A
Minimum norminal cross-sectional
area of conductors:
Rated current Nominal cross-sectional
area
of appliance
(A)
(mm 2)
0.75
>3 and <6
>6 and <10
1
>10 and <16
1.5
2.5
>16 and <25
NOTE: The supply voltage can not be less than the rate voltage of the air conditioner.
Connect the cable to the indoor unit
1. Indoor/Outdoor connection cable should be H07RN-F type.
2. Remove the panel and Screw, then remove the electrical control box cover.
3. Connect cables according to their marks to terminals.
4. Wrap those cables not connected with terminals with insulation tapes, so
that they will not touch any electrical components.
Connect the cable to the outdoor unit
1. Remove the electric parts cover from the outdoor unit.
2. Connect the connective cables to the terminals as identified with their respective
matched numbers on the terminal block of indoor and outdoor units.
3. To prevent the ingress of water, from a loop of the connective cable as illustrated
in the installation diagram of indoor and outdoor units.
4. Insulate unused cords (conductors) with PVC-tape.Process them so they do not
touch any electrical or metal parts.
NOTE: The wiring connection may be slightly different for the different terminal block supplied. Performing the
connection according to the terminal block as the following:
(2)
12
Electrical work
Electrical work (For 24000Btu model)
Minimum norminal cross-sectional
area of conductors:
Rated current Nominal cross-sectional
area
of appliance
(A)
(mm 2)
0.75
>3 and <6
>6 and <10
1
>10 and <16
1.5
2.5
>16 and <25
NOTE: The cable size and the current of the fuse or
switch are determined by the maximum current
indicated on the nameplate which located on the side
panel of the unit. Please refer to the nameplate before
selecting the cable, fuse and switch.
Connect the cable to the indoor unit
NOTE: Before performing any electrical work, turn off the main power to the system.
1. The inside and outside connecting cable can be connected without removing the front grille.
2. Connecting cable between indoor unit and outdoor unit shall be approved polychloroprene
sheathed flexible cord, type designation H07RN-F or heavier cord.
3. Lift the indoor unit panel up, remove the electrical box cover by loosening the screw.
,
4. Ensure the colour of wires of outdoor unit and the terminal Nos. are the same to the indoor s
respectively.
5. Wrap those cables not connected with terminals with insulation tapes, so that they will not touch
any electrical components. Secure the cable onto the control board with the cord clamp.
Terminal block of indoor unit
Panel
10mm
Electrical box
cover
40mm
Fig.20
To outdoor unit
Connect the cable to the outdoor unit
1. Remove the electrical control board cover from the outdoor unit by loosening the screw.
2. Connect the connective cables to the terminals as identified with their respective
matched numbers on the terminal block of indoor and outdoor units.
3. Secure the cable onto the control board with the cord clamp.
4. To prevent the ingress of water, from a loop of the connective cable as illustrated
in the installation diagram of indoor and outdoor units.
5. Insulate unused cords (conductors) with PVC-tape.Process them so they do not
touch any electrical or metal parts.
Wire connector of outdoor unit
Cover
Screw
10mm
Fig.21
13
Electrical work
40mm
CAUTION
CAUTION
CAUTION
CAUTION
After the confirmation of the above conditions, prepare the wiring as follows:
1) Never fail to have an individual power circuit specifically for the air conditioner. As for
the method of wiring, be guided by the circuit diagram posted on the inside of control
cover.
2) The screw which fasten the wiring in the casing of electrical fittings are liable to come
loose from vibrations to which the unit is subjected during the course of
transportation. Check them and make sure that they are all tightly fastened. (If they
are loose, it could cause burn-out of the wires.)
3) Specification of power source.
4) Confirm that electrical capacity is sufficient.
5) See to that the starting voltage is maintained at more than 90 percent of the rated
voltage marked on the name plate.
6) Confirm that the cable thickness is as specified in the power source specification.
7) Always install an earth leakage circuit breaker in a wet or moist area.
8) The following would be caused by voltage drop.
Vibration of a magnetic switch, which will damage the contact point, fuse breaking, disturbance of the
normal function of the overload.
¥
9) The means for disconnection from a power supply shall be incorporated in the fixed
wiring and have an air gap contact separation of at least 3mm in each active(phase)
conductors.
AIR PURGING
Air and moisture in the refrigerant system have undesirable effects as indicated below:
Pressure in the system rises.
Operating current rises.
Cooling or heating efficiency drops.
Moisture in the refrigerant circuit may freeze and block capillary tubing.
Water may lead to corrosion of parts in the refrigeration system.
Therefore, the indoor unit and tubing between the indoor and outdoor unit must be
leak tested and evacuated to remove any noncondensables and moisture from the
system.
Air purging with vacuum pump
Preparation
Check that each tube(both liquid and gas side tubes) between the indoor and
outdoor units have been properly connected and all wiring for the test run has
been completed. Remove the service valve caps from both the gas and the liquid
side on the outdoor unit. Note that both the liquid and the gas side service valves
on the outdoor unit are kept closed at this stage.
Pipe length and refrigerant amount:
Connective
pipe length
Air purging
method
Less than 5m
Use vacuum
pump.
Up to 18000Btu
5 ~ 10m
24000Btu and above
5 ~ 10m
14
Air purging
Use vacuum
pump.
Use vacuum
pump.
Additional amount of refrigerant to be charged
Liquid side: 6.35
(Pipe length-5)x30g
Liquid side: 9.53
(Pipe length-5)x40g
When relocate the unit to another place, perform evacuation using vacuum pump.
Make sure the refrigerant added into the air conditioner is liquid form in any case.
Caution in handling the packed valve
Open the valve stem until it hits against the stopper. Do not try to open it further.
Securely tighten the valve stem cap with aspanner or the like.
Valve stem cap tightening torque (See Tightening torque table in previous page ).
Flare nut
Refrigerant
Outdoor
unit
Indoor
unit
A
Gas side
C
Stopper
Cap
Liquid side D
B
Packed valve
Half union
Fig.22
Valve body
Valve stem
Fig.23
When Using the Vacuum Pump
(For method of using a manifold valve, refer to its operation manual.)
1. Completely tighten the flare nuts, A, B, C, D, connect the manifold valve charge
hose to a charge port of the low-pressure valve on the gas pipe side.
2. Connect the charge hose connection to the vacuum pump.
3. Fully open the handle Lo of the manifold valve.
4. Operate the vacuum pump to evacuate. After starting evacuation, slightly loose the
flare nut of the Lo valve on the gas pipe side and check that the air is entering
(Operation noise of the vacuum pump changes and a compound meter indicates
0 instead of minus)
5. After the evacuation is complete, fully close the
Manifold valve
Compound meter Pressure gauge
handle Lo of the manifold valve and stop the
operation of the vacuum pump.
-76cmHg
Make evacuation for 15 minutes or more and
Handle Hi
Handle Lo
check that the compound meter indicates
Charge hose
Charge hose
-76cmHg (-1x105Pa).
Vacuum pump
6. Turn the stem of the packed valve B about 45o
counterclockwise for 6~7 seconds after the gas
coming out, then tighten the flare nut again. Make
Low pressure valve
sure the pressure display in the pressure indicator
is a little higher than the atmosphere pressure.
Fig.24
7. Remove the charge hose from the Low pressure charge hose.
8. Fully open the packed valve stems B and A.
9. Securely tighten the cap of the packed valve.
15
Air purging
ELECTRICAL SAFETY AND GAS LEAK CHECK
Electrical safety check
Perform the electric safe check after completing installation:
1. Insulated resistance
The insulated resistance must be more than 2M .
2. Grounding work
After finishing grounding work, measure the grounding resistance by visual detection and
grounding resistance tester. Make sure the grounding resistance is less than 4 .
3. Electrical leakage check (performing during test running)
During test operation after finishing installation, the serviceman can use the electroprobe
and multimeter to perform the electrical leakage check. Turn off the unit immediately if
leakage happens. Check and find out the solution ways till the unit operate properly.
Gas leak check
1. Soap water method:
Apply a soap water or a liquid neutral detergent
on the indoor unit connection or outdoor unit
connections by a soft brush to check for leakage
of the connecting points of th piping. If bubbles
come out, the pipes have leakage.
2. Leak detector
Use the leak detector to check for leakage.
Indoor unit
check point
D
C
B
A
Cover
Outdoor unit
check point
CAUTION
A: Lo packed valve B: Hi packed valve
C and D are ends of indoor unit connection.
Fig.25
TEST RUNNING
Perform test running after completing gas leak and electrical safety check.
The test running time should last more than 30 minutes.
1. Open the panel and lift the panel up to an angle which remains fixed. Do not lift the
panel any further when it stops with a click sound.
2. Press the manual control button twice until the operating indicator lights up, the unit
will operate on Forced Cool mode.
3. Check if all the functions works well during test running. Especially check whether
the drainage of indoor unit is smooth or not.
4. Press the manual switch button again after finishing the test running . The operating
indicator turns dark and the unit stops operating.
AUTO/COOL
Manual control
Button
16
Test running
MEMO
Date of installation:
Purchased from (Dealer Name):
Date of purchase:
Model number:
Serial number:
ONE (1)YEAR LIMITED WARRANTY
Save This Warranty Information
EcoAir guarantees this product free from defects in materials and workmanship
for a period of one (1) year from the date of purchase, limited to parts only.
Faults arising from a faulty installation is specifically excluded.
This unit must be operated under conditions as recommended, at voltages
indicated on the unit. Any attempts made to service or modify the unit by
unqualified technician, will render this WARRANTY VOID. The actual product
may differ slightly from the illustration. This warranty is in addition to, and does
not affect, your statutory rights.
For further information, please contact 020 8459 2458.
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