Table of Contents
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Table of Contents
Troubleshooting
Related Manuals for Harbor Point HSG-09CRN1
Summary of Contents for Harbor Point HSG-09CRN1
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Page 1: Service Manual
Service Manual Room Air Conditioner Split Wall-Mounted Type Applies to: HSG-09CRN1 HSG-09HRN1 HSG-12CRN1 HSG-12HRN1 HSG-18CRN1 HSG-18HRN1 HSG-24CRN1 HSG-24HRN1 NOTE: Please read this first before servicing the unit. If you have any problems, always contact your service center first. -
Page 2: Table Of Contents
Content Content Precaution ........................1 1.1 Safety Precaution........................... 1 1.2 Warning ..............................1 1.3 Function ..............................4 Dimension ........................5 Specification ........................ 7 Refrigerant cycle diagram..................12 Operation limits ......................13 Wiring diagram......................14 Installation details...................... 20 7.1 Wrench torque sheet for installation ....................20 7.2 Connecting the cables ......................... - Page 3 Content 10.8 Operation lamp on and Timer lamp flashes..................43 10.9 Operation lamp flashes, Timer lamp flashes ..................43 Characteristic of temperature sensor ..............44 - 2 -...
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Page 4: Precaution
Service manual 1 Precaution 1.1 Safety Precaution To prevent injury to the user or other people and property damage, the following instructions must be followed. Incorrect operation due to ignoring instruction will cause harm or damage. Before service unit, be sure to read this service manual at first. 1.2 Warning Installation Do not use a defective or underrated circuit breaker. -
Page 5: Specification
Service manual Do not place anything 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. There is risk of fire or electric shock. - Page 6 Service manual Use two or more people to lift and transport the product. Avoid personal injury. Do not install the product where it will be exposed to sea wind (salt spray) directly. It may cause corrosion on the product. Corrosion, particularly on the condenser and evaporator fins, could cause product malfunction or inefficient operation.
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Page 7: Function
Service manual 1.3 Function Indoor unit Outdoor unit 1. Operation ON/OFF by remote controller 1. Power relay control 2. Sensing by room temperature The unit has 3 mins delay between continuously Room temperature sensor. Pipe temperature ON/OFF operations. 2. Low noise air flow system sensor. -
Page 8: Dimension
Service manual 2 Dimension Indoor unit Dimension Mode 1250 1250 - 5 -... - Page 9 Service manual outdoor unit Dimension Mode - 6 -...
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Page 10: Refrigerant Cycle Diagram
Service manual 4 Refrigerant cycle diagram Cooling only Heat pump mode - 12 -... -
Page 11: Operation Limits
Service manual 5 Operation limits Cooling operation ℃ Outdoor unit air temp. ℃ Indoor air temp. Note: The chart is the result from the continuous operation under constant air temperature conditions. However, excludes the initial pull-down stage. Heating operation Indoor air temp. ℃ DB Outdoor unit air temp.℃... -
Page 18: Installation Details
Service manual 7 Installation details 7.1 Wrench torque sheet for installation Outside diameter Torque inch Kg.m φ6.35 φ9.52 φ12.7 φ15.88 φ19.05 7.2 Connecting the cables The power cord of connect should be selected according to the following specifications sheet. Grade 7.3 Pipe length and the elevation Standard Max. -
Page 19: Air Purging Of The Piping And Indoor Unit
Service manual In case that more than 5m. Caution: Capacity is base on standard length and maximum allowance length is base of reliability. Oil trap should be install per 5-7 meters. 7.4 Air purging of the piping and indoor unit Required tools: Hexagonal wrench;... - Page 20 Service manual Procedure： ： ： ： 1. Recheck the piping connections. 2. Open the valve stem of the 2-way valve counterclockwise approximately 90’, wait 10 seconds, and then set it to closed position. Be sure to use a hexagonal wrench to operate the valve stem 3.
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Page 21: Pumping Down (Re-Installation)
Service manual 7.5 Pumping down (Re-installation) Procedure: 1. Confirm that both the 2-way and 3-way valves are set to the opened position. Remove the valve stem caps and confirm that the valve stems are in the opened position. Be sure to use a hexagonal wrench to operate the valve stems. 2. -
Page 22: Re-Air Purging (Re-Installation)
Service manual 7.6 Re-air purging (Re-installation) Procedure: 1. Confirm that both the 2-way and 3-way valves are set to the closed position. 2. Connect the charge set and a charging cylinder to the service port of the 3-way valve. 3. Leave the valve on the charging cylinder closed. 4. -
Page 23: Balance Refrigerant Of The 2-Way, 3-Way Valves
Service manual 7.7 Balance refrigerant of the 2-way, 3-way valves Procedure: 1. Confirm that both the 2-way and 3-way valves are set to the open position. 2. Connect the charge set to the 3-way valve’s service port. Leave the valve on the charge set closed. Connect the charge hose with the push pin to the service port. -
Page 24: Evacuation
Service manual 7.8 Evacuation Procedure: 1. Connect the vacuum pump to the charge set’s centre hose. 2. Evacuation for approximately one hour. Confirm that the gauge needle has moved toward -0.1 Mpa (-76 cmHg) [vacuum of 4 mmHg or less]. 3. -
Page 25: Gas Charging
Service manual 7.9 Gas charging Procedure: 1. Connect the charge hose to the charging cylinder. Connect the charge hose which you disconnected from the vacuum pump to the valve at the bottom of the cylinder. 2. Purge the air from the charge hose. Open the valve at the bottom of the cylinder and press the check valve on the charge set to purge the air (be careful of the liquid refrigerant). -
Page 26: Electronic Function
Service manual 8 Electronic function 8.1 Electronic control working environment Input voltage: 175~253V or 100~130V Input power frequency: 60Hz Ambient temperature: -7°C+43°C Indoor fan normal working amp is less than 1A Outdoor fan normal working amp is less than 1.5A Four-way valve normal working amp is less than 1A Swing motor: DC12V Compressor: single-phase power supply. -
Page 27: Function
Service manual 8.3 Function Remote receiving Testing and forced running Position set for indoor unit wind vane LED displaying and alarm On or off Timer Protection for the compressor Current protection High temperature protection of indoor heat exchanger at heating mode Auto defrosting and heating recovery at heating mode Anti cold air at heating mode 8.4 Protection... -
Page 28: Fan Only Mode
Service manual 8.5 Fan only mode Fan speed is high/mid/low/ Auto 8.6 Cooling mode The 4-way valve is closed at cooling mode. The action of the compressor and the outdoor fan:(T=indoor temperature) Auto fan at cooling mode: Anti-freezing control to indoor evaporator at cooling mode ( T: evaporator temp. ) Condenser high temperature protection (only for heat pump) - 30 -... -
Page 29: Dehumidifying Mode
Service manual 8.7 Dehumidifying mode Indoor fan speed at low speed. Protection is same as cooling mode. 8.8 Heating mode 8.8.1 Generally, the 4-way valve is open in heating mode, but it is closed in defrosting mode. 4-way valve must delay 2 minutes compared with compressor if the compressor changed into non-heating mode or turned off. -
Page 30: Defrosting Mode(Available For Heating Mode)
Service manual 8.8.5 Auto wind at heating mode (T=indoor temp.) 8.8.6 Indoor evaporator high-temperature protection at heating mode (T=indoor exchanger temp.) The louver opens to Standard Angle ANGLHEAT when power is on for the first time 8.9 Defrosting mode(available for heating mode) 8.9.1 Defrosting condition: Defrost starts when either of the following: T3 lower than 0’C, lasts for more than 40 minutes, provided that the time period then the... -
Page 31: Auto Mode
Service manual 8.9.2 Conditions of defrost ending: Defrosting ends when either of the following: The time gets to 10 minutes. T3>20’C. The circulation is as following: 8.9.3 Defrosting Actions Remark: when the evaporator pipe temperature sensor more than TE16, the indoor fan start to run. 8.10 Auto mode 8.10.1 The air conditioner automatically selects one of the following operation modes: cooling, heating or fan only according to the temperature difference between room temperature (TA) and set... -
Page 32: Sleep Mode
Service manual 8.11.3 All protections of remote control cooling are available at forced cooling operation 8.11.4 Forced Auto function Select forced auto function with the forced auto button or the switch. In forced auto status the A/C operates at remote control mode with a set temp. of 24℃ Manual operation is controlled by touching buttons and divided into force cooling and forced auto mode. -
Page 33: Auto Restart Function
Service manual 8.12.4 Auto: ℃ if it is under cooling mode; After an hour running under economic mode, the set temp will rise 1 , ℃ the set temp will decrease 1 ,if it is under heating mode; the set temp will be changeless, if it is under fan-only mode;... -
Page 36: Troubleshooting
Service manual 10 Troubleshooting 10.1 Display board Operation The indicator flashes once every second after power is on and illuminates when the air conditioner is in operation. Timer indicator: The indicator illuminates then TIMER is set ON. PRE-DEF. indicator (For cooling & heating mode only) The air conditioner starts defrosting automatically if outdoor unit frosts in heating operating. -
Page 37: Troubleshooting
Service manual 10.2 Troubleshooting For cooling mode: Operation Timer Failure phenomenon lamp lamp ☆ Indoor fan speed has been out of control for over 1 minute ☆ Indoor room temp. or evaporator sensor is open circuit or short circuit ☆ Over current protection of the compressor occurs 4 times ☆... -
Page 38: Diagnostic Chart
Service manual 10.3 Diagnostic chart After energizing, no indicator is lighted and the air conditioner can’t be operated. For the 7K and 12K models: Be sure all the wires(including power wires and connection wires) is OK Change good ones Check if AC 115V (or 208-230V) power supply outputs to outdoor Check if AC 115V (or 208-230V) exists at primary coil of transformer Outdoor PCB is defective... - Page 39 Service manual For 18K and 24K models Be sure all the wires(including power wires and connection wires) is OK Change good ones Check if AC 208-230V power supply outputs to outdoor PCB Check if AC 208-230V exists at primary coil of outdoor (and indoor) transformer Outdoor (or indoor) PCB is defective...
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Page 40: Resetting Phenomenon Often Occurs During Operation
Service manual 10.4 Resetting phenomenon often occurs during operation. (That is automatically entering to the status when power is on.) The reason is that the instantaneous voltage of main chip is less than 4.5V. Check according to the following procedure: 10.5 Operation lamp flashes and Timer lamp off. -
Page 41: Operation Lamp Flashes And Timer Lamp On
Service manual 10.6 Operation lamp flashes and Timer lamp on. 10.7 Operation lamp off and Timer lamp flashes Operation lamp off and Timer lamp flashes After changing the main control board, check if the failure realease. Indoor PCB is defective. The voltage of power supply is too low (less than 187V). -
Page 42: Characteristic Of Temperature Sensor
Service manual 11 Characteristic of temperature sensor Temp.℃ Resistance K Temp.℃ Resistance K Temp.℃ Resistance K 62.2756 14.6181 4.3874 58.7079 13.918 4.2126 56.3694 13.2631 4.0459 52.2438 12.6431 3.8867 49.3161 12.0561 3.7348 46.5725 11.5 3.5896 10.9731 3.451 41.5878 10.4736 3.3185 39.8239 3.1918 37.1988 9.5507...