How it Works
Midea
Loading...
MS9A-09HRN1-QB8
Service Manual
56 pgs2.43 Mb0

Midea MS9A-11HRN1-QB8, MS9A-09HRN1-QB8, MS9A-07HRN1-QC2, MS9A-12HRN1-QC2, MS9A-09HRN1-QB6 Service Manual

...
LUNA ON-OFF SERIES
Service Manual 2014
9ASEU-B1-1401
CONTENTS
1. Precaution .................................................................................................................................................... 1
1.1 Safety Precaution .......................................................................................................................... 1
1.2 Warning ......................................................................................................................................... 1
2. Function ........................................................................................................................................................ 5
3. Dimension .................................................................................................................................................... 7
3.1 Indoor Units ................................................................................................................................... 7
3.2 Outdoor Units .............................................................................................................................. 10
4. Refrigerant Cycle Diagram ....................................................................................................................... 12
5. Wiring Diagram .......................................................................................................................................... 13
5.1 Indoor Units ................................................................................................................................. 13
5.2 Outdoor Units .............................................................................................................................. 17
6. Installation details ...................................................................................................................................... 22
6.1 Wrench torque sheet for installation ........................................................................................... 22
6.2 Connecting the cables ................................................................................................................ 22
6.3 Pipe length and the elevat ion ..................................................................................................... 23
6.4 Installation for the fir st time ......................................................................................................... 24
6.5 Adding the refrigerant after running t he s ystem for many years ................................................ 27
6.6 Re-installation w hi le t he indoor unit need to be repaired ........................................................... 28
6.7 Re-installation w hi le t he outdoor unit need to be repaired ......................................................... 30
7. Operation characteristics ......................................................................................................................... 33
8. Electronic function .................................................................................................................................... 34
8.1 Abbreviation ................................................................................................................................ 34
8.2 Display function ........................................................................................................................... 34
8.3 Main Protection ........................................................................................................................... 35
8.4 Operation Modes and Functions ................................................................................................. 36
9. Troubleshooting ......................................................................................................................................... 47
9.1 Indoor unit error displa y .............................................................................................................. 47
9.2 Diagnosis and Solution ............................................................................................................... 48
1
1. Precaution
1.1 Safety Precaution
To prevent injury t o t he us er or other people and pr operty damage, the f ollowing
instructions m us t be followed.
Incorrect operation due to ignoring inst ruction will cause harm or damage. Before service the unit, be sur e t o read this service manual at first.
1.2 Warning
Installation
Do not use a defective or underrate d ci r cui t 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 electr ic shock.
Always ground t he product.
There is risk of fire or electric shock.
Install the panel and the cover of control b ox securely.
There is risk of fire of electric shock.
Always instal l a dedicated circuit and breaker.
Improper wiring or installation may cause fore or electric shock.
Use the correctly rat ed breaker of f use.
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 injur y, be especially careful of the case edges and t he f ins on the
2
condenser and evaporator.
For installation, always contact the dealer or an authorized service center. Do not inst all the product on a def ective installation stand. Be sure the install ation area does not deteriorate with a ge.
If the base collapses, the air conditioner could fall with it, causing pr operty damage, product failure, and personal injury.
Do not let the air conditioner run for a lo ng time when the humidi ty is very high and a
door or a windo w is le ft 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 any t hing 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 electr ic shock.
Do not allow water to run into electrical parts.
It may cause fire, failure of the pr oduct, or electric shock.
Do not store or use flammable gas or combustible near the pro duc t .
There is risk of fire or failure of product.
Do not use the pro duc t in a tightly closed space for a long time.
Oxygen deficiency could occur.
When flammabl e gas leaks, turn off the gas and open a window for ventilation before
turn the product on.
If strange sound s 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 t he window in storm or hurr icane. If possible, re m ove the
product from the window before the hurricane arrives.
3
There is risk of property damage, failure of product, or electric shoc k.
Do not open the inle t gril l of the produ ct duri ng o peratio n. (Do not to uch the el ectr ost at ic
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 t ogether with a stove etc.
There is risk of fire or electric shock.
Turn the main power off when cleaning or maintaining the pr oduct.
There is risk of electric shock.
When the product is not be used for a long t ime, disconnect the power supply plug or
turn off the breaker.
There is risk of product damage or failure, or unintended operation.
T ake care to ensure that nobody could step on or fall onto the out door unit.
This could result in person al in jury and product damage.
 CAUTION
Always check for gas (refri ger ant) leakage after installation or repair of product.
Low refrigerant levels may cause failure of product.
Install the drain h ose t o ensure that water is drained away pr op er l y.
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 nois e or hot air from the outdoor uni t could damage
the neighborho ods.
It may cause a problem for your neighbors.
Use two or more people to lift and t r ansport the product. Do not install the product where it will be exposed to se a wind (salt spray) directly.
It may cause corrosion on the pr oduc t . Corr osion, particularly on the condenser and evaporator fins,
4
could cause product malfunction or inefficient operati on.
 Operational
Do not expose th e sk i n directly to cool air f or long time. (Do not sit in the draft). Do not use the product for special purposes, such as preservi ng foods, works of art etc.
It is a consumer air conditioner, not a precisi on refrigerant system.
There is risk of damage or loss of property.
Do not block the i nl e t or outlet of the 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 part s 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 p ut anything on the product . (outdoor units) Always insert the filt er securely. Clean the filter every two weeks or more often if
necessary.
A dirty filter r educes the efficiency of the air conditioner and could cause product malfun c t ion or damage.
Do not insert hands or other object s through air inlet or out let while the product i s
operated.
Do not drink the water drained from the product. Use a firm stool or ladder when cleanin g or m a i ntaining the pr oduct.
Be careful and avoid pers onal injury.
Replace the all batteries i n t he rem ote 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 bat t e r i e s. Do not dispose of batteries in a fire.
They may burn of explode.
If the liquid from t he batteries gets onto your skin or clothes, wash it well with clean
water. Do not use the remote of the batteries have leaked.
5
2. Function
Model Names of Indoor/Outdoor Units
Series Capacity Indoor units Outdoor units
On-Off
7k
MS9A-07HRN1-QB6 MOK-07HN1-QB6 MS9A-07HRN1-QB6 MOK1-07HN1-QB6 MS9A-07HRN1-QC2 MOK1-07HN1-QC2
9k
MS9A-09HRN1-QB6 MOK1-09HN1-QB6
MS9A-09HRN1-QB8 MOK-09HN1-QB8 MS9A-09HRN1-QC2 MOA1-09HN1-QC2 MS9A-09HRN1-QC2 MOA3-09HN1-QC2
MS9A-09HRN1-QC7G MOB1-09HN1-QC7
11k MS9A-11HRN1-QB8 MOA-11HN1-QB8
12k
MS9A-12HRN1-QC2 MOB1-12HN1-QC2
MS9A-12HRN1-QC2 MOB3-12HN1-QC2
MS9A-12HRN1-QC7G MOB-12HN1-QC7
16k
MS9A-16HRN1-QB8(A) MOB1-18HN1-QB6
MS9A-16HRN1-QB6 MOB3-16HN1-QB6
17k MS9A-17HRN1-QC0 MOC-17HN1-QC0
18k
MS9A-18HRN1-QC0 MOC-18HN1-QC0
MS9A-18HRN1-QB6 MOB1-18HN1-QB6
MS9A-18HRN1-QC5 MOF3-18HN1-QC5
24k
MS9A-24HRN1-QB8W MOP-24HN1-QB8W
MS9A-24HRN1-QB8W MOF1-24HN1-QB8W
6
Filter
Ionizer+(O)
Ionizer(O)
Silver Ico Filter(O)
Vitamin C Filter(O)
3M HAM Filter(O)
Bio Filter(O)
Golden Fin(O)
Cold catalyst filter
Compressor Crankcase Heater(O)
Self Clean(O)
Follow me(O)
8 degree heating(O)
Heat compensation(O)
Self-diag. function
H
ydrophilic aluminum fin
Anti-rust cabinet
Valve protection cover
PTC Heating Belt(O)
O: optional function
7
3. Dimension
3.1 Indoor Units
W
D
H
Model W D H
MS9A-07HRN1-QB6
710 190 250
MS9A-07HRN1-QC2
MS9A-09HRN1-QC2
MS9A-09HRN1-QB8
MS9A-09HRN1-QB6
MS9A-09HRN1-QC7G
790 198 265
MS9A-11HRN1-QB8
MS9A-12HRN1-QC2
MS9A-16HRN1-QB8(A)
MS9A-12HRN1-QC7G
920 223 292
MS9A-16HRN1-QB6
MS9A-17HRN1-QC0
MS9A-18HRN1-QB6
MS9A-18HRN1-QC0
MS9A-18HRN1-QC5
998 240 322
MS9A-24HRN1-QB8W
8
L
R
H
Model R(mm) L(mm) H(mm) Dimension of installation hole(mm)
MS9A-07HRN1-QB6
110 100 45
￠65
MS9A-07HRN1-QC2 MS9A-09HRN1-QB6
MS9A-09HRN1-QB8
MS9A-09HRN1-QC2
MS9A-09HRN1-QC7G
150 100 45
MS9A-11HRN1-QB8 MS9A-12HRN1-QC2
MS9A-16HRN1-QB8(A)
9
Model R(mm) L(mm) H(mm) Dimension of installation hole(mm)
MS9A-18HRN1-QC5
120
100 45
￠65
MS9A-24HRN1-QB8W
Model
R(mm)
L(mm)
H(mm)
Dimension of installation hole( m m)
MS9A-12HRN1-QC7G
185
150 45
￠65
MS9A-16HRN1-QB6
MS9A-17HRN1-QC0
MS9A-18HRN1-QB6
MS9A-18HRN1-QC0
H
L
R
10
3.2 Outdoor Units
More than 30cm
More than 60cm
More than 200cm
More than 30cm
More than 60cm (Service space)
Fence or
obstacles
11
Model
W D H
W1 A B
MOK-07HN1-QB6
685 260 430 742 460 276
MOK1-07HN1-QB6
MOK1-07HN1-QC2
MOK1-09HN1-QB6
MOK-09HN1-QB8
MOA1-09HN1-QC2
700 240 540 757 458 250
MOA3-09HN1-QC2
MOA-11HN1-QB8
MOB1-09HN1-QC7
780 250 540 843 549 276
MOB-12HN1-QC7
MOB3-16HN1-QB6
MOB1-12HN1-QC2
MOB3-12HN1-QC2
MOB1-18HN1-QB6
MOC-17HN1-QC0
760 285 590 823 530 290
MOC-18HN1-QC0
MOP-24HN1-QB8W
820 330 595 870 523 340
MOF3-18HN1-QC5
845 320 700 908 560 335
MOF1-24HN1-QB8W
12
4. Refrigerant Cycle Diagram
LIQUID SIDE
GAS SIDE
HEAT EXCHANGE (EVAPORATOR)
HEAT EXCHANGE (CONDENSER)
COMPRESSOR
2-WAY VALVE
3-WAY VALVE
4-WAY VALVE
COOLING HEATING
T2 Evaporator temp. sensor
T1 Room temp. sensor
T3 Condenser temp. sensor
ACCUMULATOR
INDOOR OUTDOOR
CHECK VALVE (Heating Model only)
CAPILIARY TUBE
T3 temp. sensor i s only for 21k,24k models.
13
5. Wiring Diagram
5.1 Indoor Units
MS9A-07HRN1-QB6, MS9A-07HRN1-QC2, MS9A-09HRN1-QB6, MS9A-09HRN1-QB8, MS9A-09HRN1-QC2, MS9A-09HRN1-QC7G, MS9A-11HRN1-QB8, MS9A-12HRN1-QC2, MS9A-16HRN1-QB6,MS9A-16HRN1-QB8(A),MS9A-17HRN1-QC0, MS9A-18HRN1-QB6
，
MS9A-18HRN1-QC0
14
MS9A-12HRN1-QC7G
15
MS9A-18HRN1-QC5
Loading...
+ 39 hidden pages
Buy Points How it Works FAQ Contact Us Questions and Suggestions Privacy Policy Cookie Policy Terms of Use