Goodman MSG-18CRN1N, MSG-24CRN1N, MSG-12HRN1W, MSG-18HRN1W, MSG-24HRN1W Service Instructions Manual
...
Service
Instructions
Split System Wall Mounted
Air Conditioners and Heat Pumps
with R-410A Refrigerant
This manual is to be used by qualified, professionally trained HVAC technicians only.
Goodman does not assume any responsibility for property damage or personal injury due
to improper service procedures or services performed by an unqualified person.
Goodman Manufacturing Company, L.P.
5151 San Felipe, Suite 500
Houston, TX 77056
www.goodmanmfg.com
Copyright © 2007 Goodman Manufacturing Company, L.P.
RS6100005
October 2007
TABLE OF CONTENTS
IMPORTANT INFORMATION ......................... 2 - 3
PRODUCT FEATURES..................................... 4
PRODUCT DESIGN ......................................6 - 7
SPECIFICATIONS ....................................... 8 - 10
REMOTE CONTROL .................................12 - 13
SERVICE ....................................................14 - 19
TROUBLESHOOTING ................................ 20 - 26
WIRING DIAGRAMS ...................................27 - 30
SYSTEM OPERATION ..................................... 11
IMPORTANT INFORMATION
Pride and workmanship go into every product to provide our customers with quality products. It is possible, however,
that during its lifetime a product may require service. Products should be serviced only by a qualified service technician
who is familiar with the safety procedures required in the repair and who is equipped with the proper tools, parts, testing
instruments and the appropriate service manual. REVIEW ALL SERVICE INFORMATION IN THE APPROPRIATE
SERVICE MANUAL BEFORE BEGINNING REPAIRS.
IMPORTANT NOTICES FOR CONSUMERS AND SERVICERS
RECOGNIZE SAFETY SYMBOLS, WORDS AND LABELS
WARNING
This unit should not be connected to, or used in conjunction with, any devices that are not design certified for use with
this unit or have not been tested and approved by Goodman. Serious property damage or personal injury, reduced unit
performance and/or hazardous conditions may result from the use of devices that have not been approved or certified by
Goodman.
WARNING
To prevent the risk of property damage, personal
injury, or death, do not store combustible materials or
use gasoline or other flammable liquids or vapors
in the vicinity of this appliance.
WARNING
Goodman will not be responsible for any injury or property damage arising from improper service or service
procedures. If you perform service on your own product, you assume responsibility for any personal injury or property
damage which may result.
To locate an authorized servicer, please consult your telephone book or the dealer from whom you purchased this
product. For further assistance, please contact:
CONSUMER INFORMATION LINE
GOODMAN® BRAND PRODUCTS
TOLL FREE 1-877-254-4729 (U.S. only)
email us at: customerservice@goodmanmfg.com
fax us at: (713) 856-1821
(Not a technical assistance line for dealers.)
Outside the U.S., call 1-713-861-2500. (Not a technical assistance
line for dealers.) Your telephone company will bill you for the call.
2
Outside the U.S., call 1-931-433-6101. (Not a technical assistance
line for dealers.) Your telephone company will bill you for the call.
IMPORTANT INFORMATION
SAFE REFRIGERANT HANDLING
While these items will not cover every conceivable situation, they should serve as a useful guide.
WARNING
Refrigerants are heavier than air. They can "push out"
the oxygen in your lungs or in any enclosed space.To
avoid possible difficulty in breathing or death:
•
Never purge refrigerant into an enclosed room or
space. By law, all refrigerants must be reclaimed.
•
If an indoor leak is suspected, thoroughly ventilate
the area before beginning work.
• Liquid refrigerant can be very cold. To avoid possible
frostbite or blindness, avoid contact with refrigerant
and wear gloves and goggles. If liquid refrigerant
does contact your skin or eyes, seek medical help
immediately.
• Always follow EPA regulations. Never burn refrig erant, as poisonous gas will be produced.
WARNING
To avoid possible explosion, use only returnable (not
disposable) service cylinders when removing refrigerant from a system.
• Ensure the cylinder is free of damage which could
lead to a leak or explosion.
• Ensure the hydrostatic test date does not exceed
5 years.
WARNING
To avoid possible injury, explosion or death, practice
safe handling of refrigerants.
• Ensure the pressure rating meets or exceeds 400
lbs.
When in doubt, do not use cylinder.
WARNING
System contaminants, improper service procedure
and/or physical abuse affecting hermetic compressor
electrical terminals may cause dangerous system
venting.
The successful development of hermetically sealed refrigeration compressors has completely sealed the compressor's
moving parts and electric motor inside a common housing,
minimizing refrigerant leaks and the hazards sometimes
associated with moving belts, pulleys or couplings.
Fundamental to the design of hermetic compressors is a
method whereby electrical current is transmitted to the
compressor motor through terminal conductors which pass
through the compressor housing wall. These terminals are
sealed in a dielectric material which insulates them from the
housing and maintains the pressure tight integrity of the
hermetic compressor. The terminals and their dielectric
embedment are strongly constructed, but are vulnerable to
careless compressor installation or maintenance procedures and equally vulnerable to internal electrical short
circuits caused by excessive system contaminants.
In either of these instances, an electrical short between the
terminal and the compressor housing may result in the loss
of integrity between the terminal and its dielectric embedment. This loss may cause the terminals to be expelled,
thereby venting the vaporous and liquid contents of the
compressor housing and system.
A venting compressor terminal normally presents no danger
to anyone, providing the terminal protective cover is properly
in place.
If, however, the terminal protective cover is not properly in
place, a venting terminal may discharge a combination of
(a) hot lubricating oil and refrigerant
(b) flammable mixture (if system is contaminated
with air)
in a stream of spray which may be dangerous to anyone in the
vicinity. Death or serious bodily injury could occur.
Under no circumstances is a hermetic compressor to be
electrically energized and/or operated without having the
terminal protective cover properly in place.
3
IMPORTANT INFORMATION
Please read and follow the important notes below.
Installation:
1. Always use the correct size circuit breaker and fuse.
Circuit breakers should be installed on a dedicated
circuit.
2. Properly ground the unit.
3. Do NOT use extension cords.
4. Ensure that the unit is mounted on a stable installation stand. Check periodically for signs of deterioration.
5. Running the unit for long periods of time during high
humidity or with windows/doors open may cause
condensation on furnishings.
6. The power cable should not be stretched and nothing should sit on it. Always turn the unit off before
plugging or unplugging the power cable.
7. Make sure proper ventilation of conditioned space is
provided.
8. Protect unit before arrival of inclement weather.
9. Do not open the inlet grill during operation of the unit.
10. Do not touch the electrostatic filter if unit is equipped
with one.
11. If smoke or unusual noises emit from the unit,
immediately turn off the unit and disconnect ALL
power. (See warning above.)
12. Do not allow water to enter the unit. In the instance
that the unit is soaked or submerged, contact an
authorized servicer.
13. When the unit is not used for a long period of time,
disconnect ALL power to the unit.
14. Place the outdoor unit in a location away from high
traffic areas to prevent tripping or damage to the unit.
Do not place objects on the unit.
Hazards or unsafe practices result in
property damage, product damage, personal injury
or death.
1. Always check for refrigerant leakage after installation or repair of the product.
2. Drain hose must be installed properly so water will
drain away from the unit.
3. Installing the unit in an unlevel position may cause
vibration or water leakage.
4. Install the outdoor unit away from vegetation as the
hot air may cause damage to vegetation in close
proximity.
5. To avoid personal injury, always use two people to lift
or transport the unit.
6. Unit should not be installed where it may be exposed
directly to sea coast conditions (sea wind or salt
spray).
Operation:
1. Do not block the inlet or outlet of airflow.
2. Do not use harsh detergents, solvents, etc., to clean the
unit. A soft cloth is recommended.
3. Use caution when removing the air filter, as there may be
sharp, metal edges.
4. Clean the filter every two weeks or more often, if necessary and be sure to seat the filter securely.
5. Keep hands and foreign objects away from the air outlets
while the unit is in operation.
may
4
PRODUCT FEATURES
Indoor unit:
1. ON/OFF operation by remote control.
2. Room temperature sensing.
3. Room temperature control.
4. Starting temperature control. 5 second delay of indoor
fan at start.
5. Time delay safety control. Approximate restart time: 3
minutes.
6. Indoor fan speed control. High, medium, low & breeze.
7. Operation indication lamps. (LED display for each
mode)
8. 2-direction air vane. Louver direction is decided by unit
according to operation mode.
9. Sleep mode auto control. Fan is on low speed (cooling/
heating) and will turn off after 7 hours.
10. Independent dehumidification. Used primarily for high
humidity conditions/damp areas.
11. Self-diagnosing function. Functions in any operational
mode.
12. Air flow directional control. Louver can be manually
set at desired position or set to automatically swing up or
down.
13. Auto mode. Unit automatically adjusts to room tempera-
ture.
14. Anti-cold function. Prevents the cold air burst at the
beginning of the unit start up.
15. Temperature compensation.
16. Defrost mode.
17. Auto-restart.
18. Flexible wiring connection.
19. Easy-clean panel.
20. Turbo (12k models). In cooling mode, the unit will reach
the pre-set temperature in the shortest time.
Outdoor unit:
1. Power relay control The unit has a 3 minute delay
between continuously ON/OFF operations.
2. Low noise airflow system. Bird tail propeller fan makes
the outdoor unit run more quietly.
3. Hydrophilic aluminum fin. Applies to cooling & heating
modes only. The fin improves the heating efficiency at
operation mode.
4. Reversing Valve. Operates only in the heating opera-
tion mode, except defrosting operation.
5. Anti-rust cabinet. Crafted from electrolytic zinc steel
sheet metal and anti-rust coated components.
6. Valve protection cover. Cover protects the valves and
prevents water from dripping.
5
PRODUCT DESIGN
DIMENSIONS - INDOOR UNIT
Model Indoor Unit
MSG-12CRN1N
MSG-18CRN1N
MSG-24CRN1N
Dimensions - W x D x H
Inches
35-11/16 x 9-3/8 x 11-1/4 906 x 235 x 286
49-1/4 x 9-1/16 x 12-13/16 1250 x 230 x 325
49-1/4 x 9-1/16 x 12-13/16 1250 x 230 x 325
Dimensions in inches & mm
Dimensions - W x D x H
mm
6
PRODUCT DESIGN
DIMENSIONS - OUTDOOR UNIT
Model Outdoor Unit
MSG-12HRN1W
MSG-18HRN1W
MSG-24HRN1W
Dimensions
W x D x H - Inches
29-15/16 x 11-1/4 x 23-1/4 20-7/8 (530) 11-3/8 (290)
33-1/4 x 13-3/16 x 27-3/8 22 (560) 13-3/16 (335)
35-5/16 x 13 x 33-7/8 23-1/4 (590) 13-1/8 (333)
Dimensions in inches / mm
L1
Inches (mm)L2Inches (mm)
7
SPECIFICATIONS
MSG-12CRN1 MSG-12HRN1
Power Supply - Ph/V/Hz
Cooling
Capacity, Btu/H 12,000 12,000
Input, watts 1,050 1,050
Rated current - amps 4.6 4.6
SEER - Btu/w.h 13.0 13.0
Heating
Capacity, Btu/h 13,000 13,000
Input, watts 1,050 1,050
Rated Current - amps 4.6 4.6
HSPF - W/W 7.7 7.7
Max. Current - amps
Starting Current - amps
Compressor
Model PA108X1C-3FZDU PA108X1C-3FZDU
Type Rotary Rotary
Brand Toshiba Toshiba
Capacity - Btu/h 10,850 / 1,100 10,850 / 1,100
Input, watts 1,070 / 1,075 1,070 / 1,075
Rated current (RLA) - amps 5.2 / 4.8 5.2 / 4.8
Locked rotor (LRA) - amps 21 / 23.5 21 / 23.5
Thermal protector B185-135-141E B185-135-141E
Capacitor - μF35
Refrigerant oil - oz. / ml 12 oz. / 350 ml 12 oz. / 350 ml
Indoor Fan Motor
Model WZDK25-38D WZDK25-38D
Brand Welling Welling
Input, watts 32 32
Capacitor - μF
Speed RPM/minute (High, Med, Low) 1,270 / 1,100 / 1,000 1,270 / 1,100 / 1,000
Indoor air flow - CFM (High, Med, Low)
Indoor air flow - (High, Med, Low) / m3/h 750 / 620 / 550 750 / 620 / 550
Indoor noise level - dB(A) (High, Med, Low)
Outdoor Fan Motor
Model YDK36-6B YDK36-6B
Brand Welling Welling
Input, watts 85 85
Capacitor - μF2.5μF/450V 2.5μF/450V
Speed RPM/Minute 930 930
Outdoor air flow - CFM
Outdoor air flow - m
Outdoor noise level - dB(A)
Refrigerant type R410A - Oz. / g 48 oz. / 1350 g 48 oz. / 1350 g
Design pressure - PSI / 'MPa
Refrigerant Piping
Liquid side / gas side (Inches / mm)
Max. refrigerant pipe length (feet / m) 33' / 10 m 33' / 10 m
Max. difference in level (feet / m) 16' / 5 m 16' / 5 m
Operation temp. - (°F) / (°C)
Ambient temp. - (°F) / (°C)
Approximate Application area - Sq. ft. / m
3
/h
2
1, 208/230V/60Hz 1, 208/230V/60Hz
7.6 7.6
21 / 23.5 21 / 23.5
μ
f / 450 VAC 35μf / 450 VAC
---- ----
441 / 365 / 325 441 / 365 / 325
45 / 41 / 38 45 / 41 / 38
1,118 1,118
1,900 1,900
55 55
653 / 4.5 653 / 4.5
1/4" / 1/2" - Φ6.35 / Φ12.7 1/4" / 1/2" - Φ6.35 / Φ12.7
63°F - 86°F / 17°C - 30°C 63°F - 86°F / 17°C - 30°C
19°F - 113°F / -7°C - 45°C 19°F - 113°F / -7°C - 45°C
194 - 280 / 18 -- 26 194 - 280 / 18 -- 26
MSG-12*
NOTE: The noise data is based on hemi-anechoic chamber, during actual operation. Because of ambient conditions, these values may be
somewhat different than shown.
Specifications are subject to change without prior notice.
8
SPECIFICATIONS
3
MSG-18CRN1 MSG-18HRN1
Power Supply - Ph/V/Hz
Cooling
Capacity, Btu/H 18,000 18,000
Input, watts 1,560 1,530
Rated current - amps 6.8 6.7
SEER - Btu/w.h 13.0 13.0
Heating
Capacity, Btu/h --- 18,000
Input, watts --- 1,630
Rated Current - amps --- 7.1
HSPF - W/W --- 7.7
Max. Current - amps
Starting Current - amps 32.6 32.6
Compressor
Model PA150X2CS-3KUU PA150X2CS-3KUU
Type Rotary Rotary
Brand Toshiba Toshiba
Capacity - Btu/h 15,166 / 15,354 15,166 / 15,354
Input, watts 1,505 / 1,510 1,505 / 1,510
Rated current (RLA) - amps 7.30 / 6.65 7.30 / 6.65
Locked rotor (LRA) - amps 32.6 32.6
Thermal protector UP3RE0391-T39 UP3RE0391-T39
Capacitor - μF40
Refrigerant oil - oz. / ml 25 oz. / 750 ml 25 oz. / 750 ml
Indoor Fan Motor
Model YDK31-6B YDK31-6B
Brand Welling Welling
Input, watts 55 55
Capacitor - μF
Speed RPM/minute (High, Med, Low) 1,070 / 1,000 / 960 1,070 / 1,000 / 960
Indoor air flow - CFM (High, Med, Low)
Indoor air flow - (High, Med, Low) / m3/h 1050 / 920 / 830 1050 / 920 / 830
Indoor noise level - dB(A) (High, Med, Low) 45 / 43 / 41 45 / 43 / 41
Outdoor Fan Motor
Model YDK53-6KB YDK53-6KB
Brand Welling Welling
Input, watts 165 165
Capacitor - μF3
Speed RPM/Minute 840 840
Outdoor air flow - CFM
Outdoor air flow - m
Outdoor noise level - dB(A) 59 59
Refrigerant type R410A - Oz. / g
Design pressure - PSI / 'MPa
Refrigerant Piping
Liquid side / gas side (Inches / mm)
Max. refrigerant pipe length (feet / m) 33' / 10 m 33' / 10 m
Max. difference in level (feet / m) 16' / 5 m 16' / 5 m
Operation temp. - (°F) / (°C) 63°F - 86°F / 17°C - 30°C 63°F - 86°F / 17°C - 30°C
Ambient temp. - (°F) / (°C)
Approximate Application area - Sq. ft. / m
/h
2
1, 208/230V/60Hz 1, 208/230V/60Hz
9.2 10.2
μ
F / 450 VAC 40 μF / 450 VAC
33
618 / 541 / 489 618 / 541 / 489
μ
F/450V 3μF/450V
1,471 1,471
2,500 2,500
71 oz. / 2000 g 71 oz. / 2040 g
653 / 4.5 653 / 4.5
1/4" / 1/2" - Φ6.35 / Φ12.7 1/4" / 1/2" - Φ6.35 / Φ12.7
64°F - 113°F / 18°C - 45°C 19°F - 113°F / -7°C - 45°C
323 - 431 / 40 - 30 323 - 431 / 30 - 40
MSG-18*
NOTE: The noise data is based on hemi-anechoic chamber, during actual operation. Because of ambient conditions, these values may be
somewhat different than shown.
Specifications are subject to change without prior notice.
9
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