How it Works
Friedrich
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MR12C1H
Service Manual
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User Manual
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User Manual 2
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Friedrich MW12C1H, MR09C1H, MR12C1H User Manual

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Models
Indoor Unit
Outdoor Unit
920-088-01
MW09C1H
MR09C1H
12C1H
MW
MR12C1H
CONTENTS
Operation and maintenance
Notices for use
■
■
Typical Unit Components
Operation of remote controll
■
Remote Control Instructions
■
Routine Maintenance
■
Basic Troubleshooting
■
■
Service & Assistance
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er
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.
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Installation service
installation
■
Typical Unit Dimensions
■
Install indoor unit
■ ...................................
■ ..................................
Install outdoor unit Checklist
■
This symbol stands for the items should be forbidden.
....... ................................
..............................
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This symbol stands for the items should be followed
1
3 4 7
11
12 15
16
18 19 21
22
Thank you for choosing , please read this owner's manual
carefully before operating the unit and keep it carefully for consulation.
This appliance is not intended for use by persons (including children) with reduced
physic unless they have been given supervision or instruction concerning use of the appliance by a person reponsible for thei safety.
Children should be supervised to ensure that they do not play with the appliance.
, sensory or mental capabilities or lack of experience and knowledge,
al
Do not dispose this product as unsorted municipal waste. Collection of such waste separately for special treatment is necessary.
Image shown in this operating instruction manual here is indicative only. Actual product you receive may differ!
Friedrich Air Conditioning
r
WARNING
Read Installation Operation Manual
Please read this manual thoroughly prior to equipment installation or operation.
It is the installer’s responsibility to properly apply and install the equipment. Installation must be in conformance with the NFPA 70
-2008 National Electric Code or current edition, International Mechanic Code 2009 or current edition and any other applicable local or national codes.
Failure to do so can result in property damage, personal injury or death.
Congratulations
Thank you for your decision to purchase Friedrich. Your new Friedrich has been carefully engineered and manufactured to give you many years of dependable,
efcient operation, maintaining a comfortable temperature and humidity level. Many extra features have been built into your unit to assure quiet operation,
the greatest circulation of cool, dry air, and the most economic operation.
General Instructions
This Installation and Operation Manual has been designed to insure maximum satisfaction in the performance of your unit. For years of trouble-free service,
please follow the installation instructions closely. We cannot overemphasize the importance of proper installation.
and the controls are properly set, the unit may need service and
WARNING
Refrigeration system
under high pressure
Do not puncture, heat, expose to flame or incinerate.
Only certified refrigeration technicians should service this equipment.
R410A systems operate at higher pressures than R22 equipment. Appropriate safe service and handling practices must be used.
Only use gauge sets designed for use with R410A. Do not use standard R22 gauge sets.
you should call your Friedrich service provider to check the unit.
7. Keep blinds, shades and drapes closed on the sunny side of the room being cooled to reduce radiant heat.
8. Proper insulation helps your unit maintain the desired inside temperature.
9. Whenever possible, shade south and west facing windows.
10. Keep window coverings away from the unit to provide free air ow.
Here are some suggestions to help you use your
new Friedrich most efficiently:
1. Carefully read and follow the installation instructions.
2. Make sure the unit is the right capacity for the area being cooled.
An undersized unit makes the unit work too hard, using more electricity than needed and increases wear. An oversized unit will cycle on and off too rapidly, and therefore cannot control humidity as well.
3. Clean the lter frequently (See Routine Maintenance, Page 27).
4. Do not block the air ow to and from the unit.
5. A dirty lter or improperly set controls can affect the cooling
ability of the unit.
6. If cooling is weak and you have veried that the lter is clean
Your safety and the safety of others are very important.
We have provided many important safety messages in this manual and on your appliance. Always read and obey all safety messages.
All safety messages will tell you what the potential hazard is, tell you how to reduce the chance of injury, and tell you what will happen if the instructions are not followed.
This is a safety Alert symbol. This symbol alerts you to potential hazards that can kill or hurt you and others. All safety messages will follow the safety alert symbol with the word “WARNING” or “CAUTION”. These words mean:
ANIN
WARNING
CAUTION
NOTICE
Indicates a hazard which, if not avoided, can result in severe personal injury or death and damage to product or other property.
Indicates a hazard which, if not avoided, can result in personal injury and damage to product or other property.
Indicates property damage can occur if instructions are not followed.
1
Notices for use
Working principle and special functions for cooling
Principle:
Air conditioner absorbs heat in the room and transmit to outdoor and discharged, so that indoor ambient temperature decreased, its cooling capacity will increase or decrease by
outdoor ambient temperature.
Anti-freezing function:
If the unit is running in COOL mode and in low temperature, there will be frost formed on the heat exchanger, when indoor heat exchanger temperature decrease below 32s indoor unit microcomputer will stop compressor running and protect the unit.
Working principle and special functions for heating
Principle:
Air conditioner absorbs heat from outdoor and transmits to indoor, in this way to increase
*
room temperature. This is the heat pump heating principle, its heating capacity will be reduced due to outdoor temperature decrease. If outdoor temperature becomes very low, please operate with other heating equipments.
*
F
º
, the
Defrosting:
When outdoor temperature is low but high humidity, after a long while running, frost will
*
form on outdoor unit, that will effect the heating effect, at this time, the auto defrosting function will act, the heat running will stop for 8-10mins.
During the auto defrosting, the fan motors of indoor unit and outdoor unit will stop.
*
During the defrosting, the indoor indicator flashes, the outdoor unit may emit vapor.
*
This is due to the defrosting, it isn't malfunction.
After defrosting finished,the heating will recover automatically.
*
2
Notices for use
Anti-cool wind function:
In "Heat" mode, under the following three kinds of state, if indoor heat exchanger doesn't arrive at certain temp., indoor fan will not , in order to prevent cool wind blowing(within 2 mins):
1. Heating starts. 2.After Auto Defrost finished. 3.Heating under the low temperature.
Working temperature range
Maximum cooling
Minimum cooling
Maximum heating Minimum heating
The operating temperature range (outdoor temperature) for cooling unit is 32℉~115℉； for cooling and heating unit is 5℉~115℉.
start
Indoor sideDB/WB( )
95/75 70/59
75/--- 68/---
ºF
Outdoor sideDB/WB( )
115/86
70/-
75/60
5/-
ºF
.
3
Typical Unit Components
Indoor unit
Display icon
Cooling
Heating
Ou
tdoor unit
(Image shown here is indicative only. Actual product you receive may differ)
Front Panel
Guide panel
Filter
（Only for some Units）:
Power/Run
Set temp.
in
Air
Air inlet
Display
Wall Pipe
Air outlet
Wireless remote control
Receiver
Dehumidify
epip noitcennoC
Wrapping Tape
hose
e
Drainag
out
r
Ai
4
Operation of Remote Controller
1
START / STOP
Press to start or stop operation.
2
3
4
FAN
Press to set fan speed.
5
MODE
Press to select operation mode (AUTO/COOL/DRY/FAN/HEAT).
6
SENSOR
7
CLOCK
Press it set clock.
8
2
1
4
6
3
5
TIMER ON
Press it to set auto-on timer.
9
AIR SWEEP
10
EXTEND
: Press to decrease temperature
setting.
: Press to increase temperature
setting.
AUTO
Press it set swing angle.
10
7
13
11
14
8
9
12 15
11
TEMP
12
TIMER OFF
Press it to set auto-off timer
13
TURBO
14
SLEEP
15
LIGHT
Press it to turn on/off the light.
17
5
Operation of Remote Controller
1
6
16
MODE icon:
If MODE button is pressed, current operation mode icon
(AUTO), ( COOL),
(DRY), (FAN) or (HEAT
only for heat pump models) will show.
17
SLEEP icon :
is displayed by pressing the SLEEP button. button again to clear the display.
18
TEMP icon:
Pressing TEMP button, (set temperature), ambient temperature)
(outdoor ambient temperature) and blank is displayed circularly.
AIR SWEEP
19
is displayed when pressing
the
AIR SWEEP
Press this button again to clear the display.
icon:
button.
Press this
(indoor
27
26
25
24
23
22
7
1
18
20
19
20
LIGHT icon:
is displayed by pressing the LIGHT button.
again to clear the display.
21
LOCK icon:
is displayed by pressing "+" an
d “-” buttons simultaneously. Press
them again to clear the display.
22
SET TIME display:
After pressing TIMER button, ON or
OFF will blink.This area will show the set time.
23
TURBO icon:
again to clear the display.
24
DIGITAL display:
This area will show the set tempe­rature. In SAVE mode,"SE" will be
displayed. During defrosting opera­tion, “H1” will be displayed.
21
Press LIGHT button
is displayed when pressing the
nottub siht sserP.nottub OBRUT
6
Operation of Remote Controller
16
25
SENSOR
is displayed when pressing the
SENSOR
again
26
FAN SPEED display:
Press FAN button to select the desired fan speed setting (AUTO-
Low-Med-High).Your selection will be displayed in the LCD windows, except the AUTO fan speed.
icon:
button. Press this button
to clear the display.
27
26
25
24
23
22
7
1
18
19
20
27
21
EXTEND
is displayed when pressing the
EXTEND
again to clear the display.
icon:
button. Press this button
7
Remote Control Instructions
Remote Controller Description
1
START / STOP
Press this button to turn on the unit .Press this button again to turn off the unit.
2
Press this button to decrease set temperature. Hold it down for above 2 seconds to
rapidly decrease set temperature. In AUTO mode, set temperature is not adjustable.
:
3
Press this button to increase set temperature. Hold it down for above 2 seconds to rapidly increase set temperature. In AUTO mode, set temperature is not adjustable.
4
FAN
AUTO
This button is used for setting Fan Speed in the sequence that goes from AUTO,
,
to
5
MODE :
Each time you press this button, a mode is selected in a sequence that goes from AUTO, COOL,DRY, FAN,and HEAT
:
:
,
then back to Auto.
Auto
Low speed
AUTO
Medium speed
,as the following:
*
COOL
DRY
FAN HEAT
High speed
*
,
*Note: Only for models with heating
After energization, AUTO mode is defaulted. In AUTO mode, the set temperature will not
be displayed on the LCD, and the unit will automatically select the suitable operation mode in accordance with the room temperature to make indoor room comfortable.
6
SENSOR
Press this button to turn on function. The unit automatically adjust temperature according to the sensed temperature. Press this button again to cancel function.
7
CLOCK :
Pressing CLOCK button,
present time. Holding down either button above 2 seconds increases or decreases the time by 1 minute every 0.5 second and then by 10 minutes every 0.5 second. During blinking after setting, press CLOCK button again to confirm the setting, and then
will
:
be constantly displayed.
SENSOR
blinks. Within 5 seconds , pressing + or - button adjusts the
function.
SENSOR
8
Remote Control Instructions
8
TIMERON:
Press this button to initiate the auto-ON timer. To cancel the auto-timer program, simply press this button again.
After pressing this button, disappears and "ON "blinks setting. Within 5 seconds, press + or - button to adjust the time value. Every press of either
button changes the time setting by 1 minute. Holding down either button rapidly changes the
time setting by 1 minute and then 10 minutes. Within 5 seconds after setting, press TIMER ON button to confirm.
9
AIR SWEEP:
Press this button to set up & down swing angle, which circularly changes as below:
OFF
This remote controller is universal. If any command , or is sent out, the unit will carry out the command as
indicates the guide louver swings as:
10
EXTEND:
Pressing button in COOL or DRY mode, the icon is displayed and the indoor fan will continue operation for 10 min utes in order to dry the indoor unit even though you
have turned off the unit. After energization, HEAT mode.
11
TEMP:
By pressing this button you can display
temperature.When the indoor unit it will display the setting temperature, if the temperature's display status is changed from other status to" ",displays the ambient temperature, 5s later or within 5s, it receives other remote control signal that will
return to display the setting temperature. if the users haven't set up the temperature displaying status,that will display the setting temperature.(This function is not applicable
for some models).
12
TIMER OFF :
Press this butto
press the button again.TIMER OFF setting is the same as TIMER ON.
TURBO:
13
Press this button to activate / deactivate the Turbo function which enables the unit to
EXTEND
EXTEND
n to initiate the auto-off timer. To cancel the auto-timer program, simply
reach the preset temperature in the shortest time. In COOL mode, the unit will blow strong cooling air at super high fan speed. In HEAT mode, the unit will blow strong heating air at super high fan speed. (This function is not applicable for some models).
OFF is defaulted. is not available in AUTO, FAN or
EXTEND
the indoor setting temperature or indoor ambient
is first powered on
. 0
0:00 is displayed for ON time
9
Remote Control Instructions
14
SLEEP:
Press this button to go into the SLEEP operation mode. Press it again to cancel this function. This function is available in COOL
comfortable temperature for you.
15
LIGHT:
Press LIGHT button to turn on the display's light and press this button again to turn off
the display's light. If the light is turned on, is displayed. If the light is tunrned off,
disappears.
16
Combination of "+" and "-" buttons: About lock
Press "+ " and "-" buttons simultaneously controller is locked, is pressing any button, blinks
three times.
17
Combination of "MODE" and "-" buttons:
When the unit is OFF
displayed. In this case,
, press "MODE"
Replacement of Batteries
and " - " buttons simultaneously to switch between and .
or DRY mode to maintain the most
to lock or unlock the keypad. If the remote
Allows you to toggle between Fahrenheit and Celsius.
℃
℉
1.Remove the battery cover plate from the rear of the remote controller. (As shown in the figure)
2.Take out the old batteries.
3.Insert two new AAA1.5V dry batteries, and pay attention to the polarity.
4. Reinstall the battery cover plate.
★
Notes:
When replacing the batteries, do not use old or different types of batteries,
●
otherwise, it may cause malfunction.
If the remote controller will not be used for a long time, please
●
remove batteries to prevent batteries from leaking. The operation should be performed in its receiving range.
●
It should be kept away from the TV set or stereo sound sets.
●
If the remote controller does not operate normally, please take the
●
batteries out and reinsert them after 30 seconds. If it still can't operate properly,
replace the batteries.
3 feet
Sketch map for replacing batteries
10
Front Panel Illumination On/Off
Display indicator light control of indoor unit
●
Display indicator light on:
To turn 'On'
display on the remote controller screen by pressing this button. In which case,the diss­player indicator light will be on if the AC receives this signal.
the light function,the mark will
●
Display indicator light off:
To turn 'Off
on the remote controller screen by pressing this
button. In which case, the display indicator light will
be off if the AC receives this signal.
Emergency operation
If the wireless remote control is lost
or broken, please use the manual switch
button. At this time, the unit will run the
Auto mode, but the temperature and fan speed cannot be changed. The operation
is
sh own below:
Open panel and the manual switch is on
the display box.
●
Turn on the unit:
will run in
microcomputer will adjust to the indoor
temperature to select (Cooling or Fan)
and obtain a comfortable setting.
●
Turn off the unit:
Auto mode immediately. The
Press manual button and unit
Press manual switch to turn off unit.
'
the light function,the will
in
Fig.3
disappear
Manual switch
11
Routine Maintenance
Caution
●●
Turn power off and pull out the power plug before cleaning air conditioner, or it may cause electric shock.
●
Never sprinkle water on the indoor unit and the outdoor unit for cleaning because it can cause an electric shock.
●●
Volatile liquid (e.g. thinner or gasoline) will damage the air conditioner. (So wipe the units with a dry soft cloth, or a cloth slightly moistened with water or cleanser.)
Clean the front panel
When cleaning the front panel, please dip the cloth into the water temperature of 45 below, then to dry
the cloth and wipe the dirty part. Note: Please do not to immerse the front panel in water, due to there are microcomputer components and circuit diagrams on the front panel.
Clean the air filter (Recommended once every three months)
NOTE:
If there is an excessive amount of dust around the air conditioner, be cleaned more frequently. Once filters are removed sharp.
Failure to do so can result in minor
to moderate personal injury.
do not touch fins, edges may
℃
the air filter should
be
①
Take down the air filter
At the slot of surface panel to open an angle, pull the air fil downward and take it out, please see the Fig. 4(a, b).
② Clean the air filter
To clean the dust adhering to the filters, you can either use a vacuum cleaner, or wash them with warm water the water with the neutral detergent should below 45 degree) ,and dry it in the shade.
NOTE: Never use water above 45 to clean, or it can cause deformation or discoloration.
③
Insert the air filter
Reinsert the filters along the direction of arrowhead, and then to cover the cover and clasp it.
℃
ter
(a)
(b)
Fig.4
12
The so un d of water fl ow duri ng o peratio n.
Cau se
● Tur n unit on.
● Rais e/ Lower tem pe rature
sett in g.
● Unit w il l resume no rm al
oper at ion once po we r has be en r estored .
● Clea n ai r filter.
● Clea n ai r conditi on er.
Plea se c ontact an Autho ri zed Fried ri ch Serv ic e Agency
● When t he c ompress or
star ts o r stops run ni ng
you ma y he re a swoosh or gug le , this isn' t a malf un ction.
-
13
14
Cau se
Immediately stop all operations and plug out, contact the dealer in following situations
There is harsh sound during operation. The terrible odors emitted during operation.
Water is leaking in the room. Air switch or protection switch often breaks.
Accidently
There is an abnormal heat in power supply cord and power plug.
splash water or something into unit.
occur.
Turn off unit and switch off breaker.
15
Se r vice & Ass istanc e
a list o f av ailable s er vices:
1
2
3
Tro ublesho ot ing" sect io n and still n ee d help, her e is
Installation
16
Important Notices
Indoor Unit
The air inlet and outlet vent should be far from the obstruction, make sure that the air
1.
can be blown through the whole room. Select a position where the condensing water can be easily drained out, and the place
2.
is easily connected for outdoor unit.
Select a location where the children can not reach.
3.
Placement
4.Can select the place where is strong enough to withstand the full weight and vibration of
the unit. And will not increase the noise.
Be sure to leave enough space to allow access for routine maintenance. The height of the
5.
installed location should be or more from the floor. Select a place about or more away from TVset or any other electric appliances.
6.
Select a place where the filter can be easily taken out.
7.
Make sure that the indoor unit installation should accord with installation dimension
8.
diagram requirements.
.Do not use the unit in the immediate surroundings of a laundry a bath a shower or a
9
swimming pool.
Select a location from which noise and outflow air emitted by unit will not inconvenience
.
1
neighbors, animals, plants.
Select a location where there should be sufficient ventilation.
.
2
Select a location where there should be no obstructions cover the inlet and outlet vent.
.
3
The location should be able to withstand the full weight and vibration of the outdoor unit
.
4
and permit safe installation.
Select a dry place, but do not expose under the direct sunlight or strong wind.
.
5
Make sure that the outdoor unit installation dimension with installation
.
6
dimension diagram, convenient for maintenance, repair. The height difference of connecting the tubing within
7.
tubing within .
8.
Select a place where it is out of reach for the children.
9.
Select a place where will not block the passage and do not influence the city appearance.
33 ft
3 ft
8 ft
Outdoor Unit
Placement
are in accordance
, the length of connecting the
16 ft
17
Installation
Safety Requirements For Electric Appliances
1. The power supply should be used the rated voltage and AC exclusive circuit,
the power cable diameter should be satisfied.
2. Don't
3.
4. The min. distance from the unit and combustive surface is
6.
damage power cord.
It should be reliably earthed, and it should be connected to the special earth device,
the installation work should be operated by the professional. The air switch must have the functions of magnetic tripping and heat tripping, in order to protect the short circuit and overloading.
5 feet.
5. The appliance shall be installed in accordance with national wiring regulations. An all-pole disconnection switch having a contact separation of at least in all poles
should be connected in fixed wiring.
9 feet
Note:
●
Make sure that the Live wire or Zero line as well as the earth wire in the family power socket can not be wrong connected, there should be reliable and no short circuit in the
diagram.
●
wrong connection may cause fire.
Grounding
1. Air conditioner
2.
The yellow-green two-color wire in air conditioner is the grounding
wire and cannot be used for any other purpose. Do not cut.
needs to be properly grounded.
requirements
Installation dimension diagram
Space to the ceiling
Space to the wall
Space to the wall
Air outlet side
Space to the floor
Above
Above
Above
Above
Above
18
Typical Unit Dimensions
6 in
●
The dimensions of the space necessary for correct installation of the appliance including the minimum permissible distances to adjacent structures
6 in
10 ft
12 in
Space to the wall
7 ft
A
b
o
v
e
e
v
o
b
A
8
ft
Space to the obstruction
6 in
e v o b
A
20 in
Air inlet side
e
v
o
b
A
12 in
Space to the wall
12 in
Above
Air outlet side
540
286
Install indoor unit
Install the rear panel
19
1.Always mount the rear panel horizontally. Due to the water tray of indoor unit has been adopted the
both-way drainage design, the outlet of water tray should be adjusted slightly down when installing, that is taking the outlet of the water tray as the center of a circle, the included angle between the evaporator and level should be 0 or more, that is good for condensing water drainage.
2.Fix the rear panel on the wall with screws. (Where is pre-covered with plastic granula)
3.Be sure that the rear panel has been fixed
firmly enough to withstand the weight of an adult of 60kg, further more, the weight should be evenly shared by each screw.
Install the piping hole
1.Make the piping hole (Ф ) in the wall at a slight downward slant to the
outdoor side.
2.Insert the piping-hole sleeve into the hole to prevent the connection piping
and wiring from being damaged when passing through the hole.
1/22
Install the water drainage pipe
1.For well draining, the drain hose should be placed at a downward slant.
2.Do not wrench or bend the drain hose or flood its end by water.
3.When the long drainage hose passing through indoor,
should wrap the insulation materials.
Wall
Mark on the middle of it
Space to the wall
6 in
above
Left
φ
1/2 in2
(Rear piping hole)
Fig.5
Gradienter
(Rear piping hole)
Indoor Outdoor
Wall pipe
Wrenched Bent
Flooded
Space to the wall
6 in
above
Right
φ
2
1/2
Seal pad
Wall
in
5 5
Ø
Connect indoor and outdoor electric wires
1.Open the surface panel.
2.Remove the wiring cover Fig 6.
3.Route the power connection cord and signal control wire (for cooling and heating unit only) from the back of the indoor unit and pull it toward the front through the wiring hole for connection.
4.Reassemble the clampand wiring cover.
5.Recover the surface panel.
N(1)
23
BKBNYEGN
BU
Fig.6
20
Install indoor unit
NOTE:
When connecting the electric wire if the wire length is not enough, please contact with the authorized service shop to buy a exclusive electric wire that is long enough and the joint on the wire are not allowed.
●
The electric wiring must be correctly connected, wrong connection may cause spare parts malfunction.
●
Tighten the terminal screw in order to prevent loose.
●
After tighten the screw, slight pull the wire and confirm whether is it firm or not.
●
If the earth wire is wrong connection, that may cause electric shock.
● The cover plate must be fixed, and tighten the connection wire, if it is poor installed, that
the dust, moisture may enter in or the connection terminal will be affected by outside force,
and will cause fire or electric shock.
Install the indoor unit
External connection
●
The piping can be lead out from right, right rear, left
left rear.
When routing the piping and wiring from the left
1.
or right side of indoor unit, cut off the tailings from the chassis in necessary(Show in Fig.7)
Cut off the tailings 1 when routing the wiring only;
⑴
Cut off the tailings 1 and tailings 2 when routing
⑵
Fig.7
both the wiring and piping.
2.
Take out the piping from body case, wrap the piping electric wire, water pipe with tape and pull them through the piping hole (As show in Fig.8)
3.
Hange the mounting slots of the indoor unit on the
upper tabs of the rear panel and check if it is firm
Right
Right rear
Fixing hook
enough.(As show in Fig.9)
The height of the installed location should be
4.
8 ft
or more from the floor. The water drainage pipe can also be installed on the left of
5.
the indoor-uint.
Install the connection pipe
Align the center of the piping flare with the relevant valve.
1.
Screw in the flare nut by hand and then tighten the
2.
nut with spanner and torque wrench refer to the
following:
Hex nut diameter
Ф6
Ф 9.52
Ф 12 Ф 16 Ф 19
Tightening torque
11~14.7
22.8~25.8
36.9~40.6
44.3~47.9
51.6~55.3
(lb . ft)
Note: First connect pipe to indoor unit, then to outdoor unit. Pay
piping as this may cause damage. Do not overtighten joint nut as this may
leakage.
Indoor unit piping
Spanner
Gas side pipe
Tailing 2
Gas side piping
Tailing 1
insulation
Finally wrap it with tape
右后
Mounting plate
Fig.9
attention not to bending
Water drainage pipe
Left
Left rear
Fig.8
Taper nut
Torque wrench
cause
electric wire Liquid side piping
Piping insulation
Mounting baord
Piping
Liquid side
21
Install outdoor unit
Electric wiring
Disassemble the cable cross plate sub-assy on the outdoor unit
1.
Take off wire clamp. Connect and fix power connect
2.
cord (for cooling and heating unit,connect and fix pow
er
connect cord and signal control wire)to terminal of line
bank. Wiring should fit that of indoor unit.
Fix the power connection cable
3.
with wire clamp, (for cooling and heating unit, use the wire clamp to fix the power connection cable and the signal control wire), then connect the corresponding
connecto Ensure wire has been fixed well.
4.
5.
Install the cable cross plate sub-assy.
r.
NOTE:
●
Wrong wiring may cause spare parts malfunction.
●
After the cable fixed, make sure there should be a free space between the connection and connection and fixing place on the lead wire.
Air purging and leakage test
right side plate.
Cable Cross Plate sub-assy
For 115V Uints
N(1)
2 3
BU BK BN
For 208~230V Uints
N(1) 2 3
BU BK BN
N
L
BN
BU
YEGN
L
N
Power
L1
L2
BN
BU
YEGN
L
1
L2
Power
1. Connect charging hose of manifold valve to charge end of low pressure valve (both high/low pressure valves must be tightly shut).
2. Connect joint of charging hose to vacuum pump.
3. Fully open handle handle of Lo manifold valve.
4. Open the vacuum pump to evacuate. At the beginning, slightly
loosen joint nut of low pressure valve to check if there
is air coming inside. (If noise of vacuum pump has
been changed, the reading of multimeter is 0) Then tighten the nut.
5. Keep evacuating for more than 15mins and make
5
sure the reading of multi-meter is
(-76cmHg)
.
-1.0 10
pa
6. Fully open high/low pressure valves.
7. Remove charging hose from charging end of low pressure valve.
8. Tighten bonnet of low-pressure valve. (As shown in Fig.10)
Condensate drainage of outdoor unit (no for cooling only)
The condensate and defrosting water formd during heating in the outdoor unit can be properly discharged by drainage pipe . Installation method:set the drain connection in 25 hole of the chassis has been installed and then connect
Ø
drainage pipe with drain nozzle,so that condensate and defrosting waer can be properly discharged
Liquid pipe
Gas pipe
Valve
cap
Vacuum pump
10
Fig.
Vacuum
gauge
Chassis Drain
connection
22
Checklist
Check after installation
Items to be checked Possible malfunction
Has it been fixed firmly?
Have you done the refrigerant leakage test?
Is heat insulation sufficient?
The unit may drop, shake or emit noise.
It may cause insufficient cooling(heating) capacity
It may cause condensation and dripping.
Is water drainage well?
Is the voltage in accordance with the rated voltage marked on the nameplate?
Is the electric wiring and piping connection installed correctly and securely?
Has the unit been connected to a secure earth connection?
Is the inlet and outlet been covered?
Has the length of connection pipes and refrigerant capacity been recorded?
It may cause condensation and dripping.
It may cause electric malfunction or damage the part.
It may cause electric malfunction or damage the part.
It may cause electrical leakage.
It may cause insufficient cooling(heating) capacity.
The refrigerant capacity is not accurate.
Test Operation
Before test operation
1. (1)
Do not switch on power before installation
(2)Electric wiring must be connected correctly and securely. (3)Cut-off valves of the connection pipes should be opened.
All the impurities such as scraps and thrums must be cleared from the unit.
(4)
Test operation method
2. (1)
Switch on power, press " to start
the operation.
Press MODE button, to select the COOL,
(2)
the operation is normal or not.
START / STOP
is completely finished.
" button on the wireless remote control
or/and
FAN to check whether
Friedrich Air Conditioning Co. 10001 Reunion Place, Suite 500 • San Antonio, Texas 78216
1.800.541.6645 www.friedrich.com
66129907272
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