Table of Contents
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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
RS6100005
Houston, TX 77056
www.goodmanmfg.com
October 2007
Copyright © 2007 Goodman Manufacturing Company, L.P.
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Table of Contents
Related Manuals for Goodman MSG-12CRN1N
Summary of Contents for Goodman MSG-12CRN1N
- Page 1 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.
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Page 2: Table Of Contents
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. -
Page 3: Important Information
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: •... - Page 4 IMPORTANT INFORMATION Please read and follow the important notes below. Hazards or unsafe practices result in property damage, product damage, personal injury or death. 1. Always check for refrigerant leakage after installa- Installation: tion or repair of the product. 2. Drain hose must be installed properly so water will 1.
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Page 5: Product Features
PRODUCT FEATURES Indoor unit: Outdoor unit: 1. ON/OFF operation by remote control. 1. Power relay control The unit has a 3 minute delay between continuously ON/OFF operations. 2. Room temperature sensing. 2. Low noise airflow system. Bird tail propeller fan makes 3. -
Page 6: Product Design
DIMENSIONS - INDOOR UNIT Dimensions - W x D x H Dimensions - W x D x H Model Indoor Unit Inches MSG-12CRN1N 35-11/16 x 9-3/8 x 11-1/4 906 x 235 x 286 MSG-18CRN1N 49-1/4 x 9-1/16 x 12-13/16 1250 x 230 x 325... - Page 7 PRODUCT DESIGN DIMENSIONS - OUTDOOR UNIT Dimensions Model Outdoor Unit Inches (mm) Inches (mm) W x D x H - Inches MSG-12HRN1W 29-15/16 x 11-1/4 x 23-1/4 20-7/8 (530) 11-3/8 (290) MSG-18HRN1W 33-1/4 x 13-3/16 x 27-3/8 22 (560) 13-3/16 (335) MSG-24HRN1W 35-5/16 x 13 x 33-7/8 23-1/4 (590)
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Page 8: Specifications
SPECIFICATIONS MSG-12* MSG-12CRN1 MSG-12HRN1 Power Supply - Ph/V/Hz 1, 208/230V/60Hz 1, 208/230V/60Hz Cooling Capacity, Btu/H 12,000 12,000 Input, watts 1,050 1,050 Rated current - amps 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 HSPF - W/W Max. - Page 9 MSG-18* SPECIFICATIONS MSG-18CRN1 MSG-18HRN1 Power Supply - Ph/V/Hz 1, 208/230V/60Hz 1, 208/230V/60Hz Cooling Capacity, Btu/H 18,000 18,000 Input, watts 1,560 1,530 Rated current - amps SEER - Btu/w.h 13.0 13.0 Heating Capacity, Btu/h 18,000 Input, watts 1,630 Rated Current - amps HSPF - W/W Max.
- Page 10 SPECIFICATIONS MSG-24* MSG-24CRN1 MSG-24HRN1 Power Supply - Ph/V/Hz 1, 208/230V/60Hz 1, 208/230V/60Hz Cooling Capacity, Btu/H 24,000 24,000 Input, watts 2,000 2,000 Rated current - amps SEER - Btu/w.h 13.0 13.0 Heating Capacity, Btu/h 24,000 Input, watts 2,000 Rated Current - amps HSPF - W/W Max.
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Page 11: System Operation
SYSTEM OPERATION REFRIGERANT CYCLE Cooling only Heat pump mode CAPILLARY TUBE (INDOOR COIL) (OUTDOOR OPERATION LIMITS Cooling operation All units may operate in the cooling mode up to a maximum outdoor ambient temperature of 111°F (44°C), and down to a minimum outdoor ambient temperature of 66°F (19°C). -
Page 12: Remote Control
REMOTE CONTROL OPERATION OF THE REMOTE CONTROL horizontal swing louvers move back and forth continu- ously, until the button is pressed again. (This function Performance Features is not available on all units.) 1. Operating modes: AUTO, COOL, DRY, HEAT (heat 7. - Page 13 REMOTE CONTROL 1. DIGITAL DISPLAY Area: This area will show the set 3. The average battery life under normal use conditions is approximately 6 months. temperature and, if in the TIMER mode, will show the ON and OFF settings of the TIMER. If in the FAN mode, 4.
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Page 14: Service
SERVICE Torque Wrench Requirements for installation Outside Diameter Torque Torque Inch Lbs. per ft. Kg.m ϕ6.35 ϕ9.52 ϕ12.70 ϕ15.88 ϕ19.05 Cable Connection Unit Size The power cord or cable connection should be selected according to this specification table. Pipe Length & Elevation Requirements Line Set Length Max. - Page 15 SERVICE Evacuation Micron Gauge WARNING REFRIGERANT UNDER PRESSURE! 3. Close the valve (low side) on the charge set. Turn off the Failure to follow proper procedures may cause vacuum pump and make sure the micron gauge does not property damage, personal injury or death. go above 1,000 microns in approximately 5 minutes after turning off the vacuum pump.
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Page 16: Gas Charging
SERVICE Gas Charging CHARGING CYLINDER AND SCALE WARNING 4. Disconnect the charge hose from the 3-way valve's Refrigerants are heavier than air. They can "push out" the oxygen in your lungs or in any enclosed space.To service port. avoid possible difficulty in breathing or death: Use quick disconnect hoses to ensure refrigerant is not •... -
Page 17: Electronic Control
SERVICE Electronic Control FUNCTION: 1. Remote receiving 6. Protection for the compressor 2. Testing and forced running 7. Current protection 3. Position set for indoor unit wind vane 8. High temperature protection of indoor heat exchanger in heating mode 4. LED displaying and alarm 9. -
Page 18: Protection Features
SERVICE Protection Features the compressor and outdoor fan will turn on The following features protect the reliability and life of the unit and compressor: the indoor fan will delay on for short period, then will ramp up to the selected fan speed to reduce “cold- 1. -
Page 19: Forced Cooling Operation
SERVICE Forced Cooling Operation Turbo Mode Continuous cooling operation can be forced by selecting the For 12K models only, the indoor fan will operate in HIGH FORCED COOLING button or switch. The unit will operate speed when the “TURBO” button on the remote is pressed. for 30 minutes continuously in the cooling mode, regardless The unit will return to normal speed when “TURBO”... -
Page 20: Troubleshooting
TROUBLESHOOTING Display Board (18k and 24k MODELS) OPERATI ON AUTO TIMER PRE.-DEF. Operation: The indicator flashes once every second after the power is on and will be illuminated when the unit is in operation. TIMER Indicator: The indicator illuminates then TIMER is set ON. PRE-DEF. - Page 21 TROUBLESHOOTING Diagnostic Chart (for 12k Models) If, after energizing the unit, no indicator is lit and the unit cannot be operated, see the following chart. Be sure all the wires (including power wires and connection wires) are OK Install good ones Check for AC (208-230V) power supply outputs to outdoor control board Check if AC (208-230V) exists at primary coil...
- Page 22 TROUBLESHOOTING Diagnostic Chart (for 18k & 24k Models) If, after energizing the unit, no indicator is lit and the unit cannot be operated, see the following chart. Be sure all the wires (including power wires and connection wires) are OK Install good ones Check for AC (208-230V) power supply outputs to outdoor control board...
- Page 23 TROUBLESHOOTING Resetting of Outdoor Control Board Occurs Often During Operation: If the power is on and the unit automatically enters into reset mode, the instantaneous voltage of the main chip is less than 4.5v. Check according to the following procedure: Resetting of outdoor control board often occurs during operation.
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Page 24: Temperature Sensor Error
TROUBLESHOOTING Temperature Sensor Error: These sensor errors include the indoor room sensor, the indoor evaporator sensor and the outdoor condenser temperature sensor. Is connector connection good? Repair the connector Replace the sensor Overcurrent Protection of the Compressor occurs 4 times: Over current protection of compressor occurs 4 times After charging the main control board, check if the failure is released. -
Page 25: Indoor Unit Communication Error
TROUBLESHOOTING Outdoor Unit Fails to Operate: Check if power supply is good Power Supply failure Change outdoor control board and check if the error still exists Outdoor control board failure Compressor failure Indoor Unit Communication Error: Check to see if the signal wire is well connected Connect the signal wire well or change the signal wire if it's the problem of the wires. - Page 26 TROUBLESHOOTING Temperature Sensor Data: Temp. Temp. Resistance Temp. Temp. Resistance Temp. Temp. Resistance °F °C KΩ °F °C KΩ °F °C KΩ 62.3 14.6 58.7 13.9 56.4 13.3 52.2 12.6 49.3 12.1 46.6 11.5 44.0 11.0 41.6 10.5 39.8 10.0 37.2 35.2 33.3...
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Page 27: Wiring Diagrams
WIRING DIAGRAMS HIGH VOLTAGE! DISCONNECT ALL POWER BEFORE SERVICING OR INSTALLING THIS UNIT. MULTIPLE POWER SOURCES MAY BE PRESENT. FAILURE TO DO SO MAY CAUSE PROPERTY DAMAGE, PERSONAL INJURY OR DEATH. MSG-12CRN1 INDOOR UNIT OUTDOOR UNIT... - Page 28 WIRING DIAGRAMS HIGH VOLTAGE! DISCONNECT ALL POWER BEFORE SERVICING OR INSTALLING THIS UNIT. MULTIPLE POWER SOURCES MAY BE PRESENT. FAILURE TO DO SO MAY CAUSE PROPERTY DAMAGE, PERSONAL INJURY OR DEATH. MSG-12HRN1 INDOOR UNIT OUTDOOR UNIT...
- Page 29 WIRING DIAGRAMS HIGH VOLTAGE! DISCONNECT ALL POWER BEFORE SERVICING OR INSTALLING THIS UNIT. MULTIPLE POWER SOURCES MAY BE PRESENT. FAILURE TO DO SO MAY CAUSE PROPERTY DAMAGE, PERSONAL INJURY OR DEATH. MSG-18CRN1 MSG-24CRN1 Indoor unit: Outdoor unit...
- Page 30 WIRING DIAGRAMS HIGH VOLTAGE! DISCONNECT ALL POWER BEFORE SERVICING OR INSTALLING THIS UNIT. MULTIPLE POWER SOURCES MAY BE PRESENT. FAILURE TO DO SO MAY CAUSE PROPERTY DAMAGE, PERSONAL INJURY OR DEATH. MSG-18HRN1 MSG-24HRN1 Indoor unit: Outdoor unit...
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Keeps beeping not cooling or heating msg12hrn1n model