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700870,700875,700877

 SERVICE MANUAL

Portable Air Condi oners

Frost prevenon

sensor and

Abnormal

temperature

sensor value

Refrigerant high

pressure switch

Abnormal

temperature

sensor value

Abnormal

temperature

sensor value

Compressor

overloaded

Condensate

water level

alarm

Drain pump

alarm

Indoor heat exchanger
temperature too low
TH3 temperature sensor
has a loose or broken
connecon

Blocked air filter
Blocked / kinked exhaust
duct
Ambient temperature
is too high

TH1(Outlet) temperature

sensor has a loose or

broken connecon

TH2(Inlet) temperature

sensor has a loose or

broken connecon

Condensate tank is full

Drain pump defecve or

improper hose connecon

(including kink or blockage)

Ambient temperature is
too high
Unstable voltage supply
Defecve compressor

Do not use the air
condioner if ambient
temperature is lower than
18°C (64°F)
Contact a qualified service
agent

Clean air filter
Ensure exhaust duct is not
blocked / kinked
Do not use the air
condioner if ambient
temperature is higher than
45°C (113°F)

Contact a qualified service

agent

Contact a qualified service

agent

Do not use the air
condioner if ambient
temperature is higher than
45°C (113°F)
Contact a qualified service
agent
Replace compressor

Empty the water tank

Aer installaon of the
water tank, press the SPOT/
COOL or ROOM/COOL
buon to resume operaon

Check the hose connecon
and hose
Replace drain pump

Alarm Display

Problem

Cause

Correcve Acon

Self-Diagnos c Codes

Self-diagnos c codes are displayed on the Display Panel under the following 
condi ons.

Содержание 700875

Страница 1: ...IDEAL AIR Portable Air Condi oners Models 700870 700875 700877 SERVICE MANUAL...

Страница 2: ...ristics CONSTRUCTION 9 Internal Structure REFRIGERANT SYSTEM CONSTRUCTION 12 Compressor Compressor lubrication Condenser Capillary Tube Evaporator Accumulator ELECTRICAL SYSTEM 17 Circuit Diagram Cont...

Страница 3: ...36 Disassembly Control panel removal Electrical parts and relay board removal Fan motor removal DISASSEMBLY For 700875 700877 43 Disassembly Control panel removal Electrical parts and relay board remo...

Страница 4: ...oler which directs cool air to par cular areas or objects 2 The 700870 700875 700877 has the following features 3 The innova ve design of the 700870 700875 700877 has resulted in one compact unit repl...

Страница 5: ...page 5 700870 700875 700877 SERVICE MANUAL Portable Air Condi oners SPECIFICATIONS Exterior Dimension Diagram 700870 4 36 2 2 9 12 5 5 9 36 2 17 5 19 8 13 1 12 5 6 20...

Страница 6: ...700870 700875 700877 SERVICE MANUAL 6 page Portable Air Condi oners 700875 22 1 17 3 16 3 7 8 7 1 4 8 36 4 5 6 1 9 16 3 5 9 42 1 20 24 4...

Страница 7: ...page 7 700870 700875 700877 SERVICE MANUAL Portable Air Condi oners 700877 6 2 4 7 4 7 6 2 22 1 22 1 17 3 16 3 4 8 36 4 5 6 16 3 42 1 20 1 9 5 9 24 4...

Страница 8: ...Refrigerant Wheels Safety Devices 10 3 17 12 1 64 113 18 45 64 86 18 30 32 86 0 30 377 35 R 410A Toshiba 15 9 451 LG 15 5 440 3 17 12 2 64 113 18 45 64 86 18 30 32 86 0 30 527 50 R 410A 42 3 1200 450...

Страница 9: ...s Condenser Condenser Motor Evaporator Cooling Air Duct Condenser Air Outlet Control Box Relay Board Capacitor Drain Tank Drain Tank Switch Compressor Locking Swivel Caster Caster Rear Eva Scroll Cont...

Страница 10: ...le Air Condi oners Control Panel Eva Scroll Drain Tank Drain Tank Switch Condenser Condenser Motor Control Box Relay Board Capacitor Caster Rear Locking Swivel Caster Compressor Evaporator Evaporator...

Страница 11: ...le Air Condi oners Control Panel Eva Scroll Drain Tank Drain Tank Switch Condenser Condenser Motor Control Box Relay Board Capacitor Caster Rear Locking Swivel Caster Compressor Evaporator Evaporator...

Страница 12: ...ERVICE MANUAL 12 page Portable Air Condi oners REFRIGERANT SYSTEM CONSTRUCTION 700870 700875 700877 Flow of Refrigerant Condenser Air Outlet Condenser Motor Compressor Accumulator Evaporator Capillary...

Страница 13: ...two mechanisms the drive mechanism compressor motor and the compression mechanism compressor When the rotor sha of the motor drive mechanism turns the roller compression mechanism rotates to compress...

Страница 14: ...of the cylinder 3 The discharge valve remains closed 3 Discharge 1 The pressure in the cylinder exceeds that in the discharge chamber and the discharge valve opens 2 On the suc on side refrigerant su...

Страница 15: ...pplied to the lubrica on groove for each sha journal lubrica ng the bearing In this lubrica on system oil enters into each bearing separately and returns to the oil reservoir This system e ec vely pre...

Страница 16: ...er covered with slit ns Heat is removed from the air being pulled across the evaporator by the centrifugal fan The resul ng cool air is expelled through the cooling air ducts Accumulator The accumulat...

Страница 17: ...page 17 700870 700875 700877 SERVICE MANUAL Portable Air Condi oners ELECTRICAL SYSTEM Circuit Diagram 700870 TH1 TH2 TH3 DRAIN PUMP...

Страница 18: ...700870 700875 700877 SERVICE MANUAL 18 page Portable Air Condi oners 700875 700877 TH1 TH2 TH3 DRAIN PUMP...

Страница 19: ...ow speed If POWER BUTTON is pressed during opera on unit stops 2 BLOWER BUTTON Changes fan speed from LOW to HIGH when pressed 3 SPOT COOL BUTTON Ac vates compressor and begins producing cool air 5 se...

Страница 20: ...a on stops when ALARM light is ac vated blinking longer than 3 minutes 7 CURRENT TEMP Room cool mode displays current room temperature in display in Fahrenheit SPOT COOL Mode displays outlet cool air...

Страница 21: ...even on sensor Temperature Correc on Temperature Correc on 1 5minutes control is available per 1 minute 1 c 5 c Descrip on the range of se ng Temperature Se ng Program Se ng Auto restored when no se n...

Страница 22: ...el assembly 1 Power supply requirements The 700870 requires a single phase 115 V 60 Hz power supply while the 700875 700877 requires a single phase 208 230 V 60 Hz power supply 2 Relay board fuse The...

Страница 23: ...f POWER BUTTON is pressed during opera on unit stops ON OFF Bu on Indica on Func on Connector Control Panel Input Symbol CO On Between 10 to 20 mA at DC12 V O No signal On Between 10 to 20 mA at DC12...

Страница 24: ...oard turns on opera ng the compressor Speci ca ons RL4 Compressor On O relay output 5 A at AC 250 V 3 An freeze control An freeze controls turns the compressor on and o by turning the RL4 relay on in...

Страница 25: ...any me the compressor is turned on by either the POWER ON OFF bu on or ROOM COOL or SPOT COOL ON OFF bu on Speci ca ons Time Delay 120 sec 5 Automa c restart and recovery func on The microprocessor c...

Страница 26: ...re control changes the RL4 compressor on o relay status according to TH3 temperature in the available range 4 F to 140 F 20 C to 60 C ON OFF RL4 Compressor Relay Set Temp 3 F Set Temp 1 7 C Set Temp I...

Страница 27: ...n including kink or blockage Ambient temperature is too high Unstable voltage supply Defec ve compressor Do not use the air condi oner if ambient temperature is lower than 18 C 64 F Contact a quali ed...

Страница 28: ...or Speci ca ons 2 Compressor overload relay The compressor overload relay is used to protect the compressor motor The relay interrupts the ow of current when there is an overload condi on and high tem...

Страница 29: ...r and interrupts the ow of current when there is an over current situa on or if abnormally high temperature builds up in the fan motor Condenser Fan Motor The fan motor is a single phase induc on type...

Страница 30: ...vaporator outlet piping and detects low temperature on the evaporator as a resistance value Check capacitance 700875 700870 Compressor Evaporator Fan Motor Condenser Fan Motor Compressor Evaporator Fa...

Страница 31: ...ystem uses a 250 V 0 1 A ra ng micro switch for this func on When approximately 3 17 gal 12 L of drain water accumulates in the drain tank the drain tank base plate which is supported at fulcrum a is...

Страница 32: ...e screws enclosed inside of box with cool air outlet hose s to install the cool air outlet hose s on the air condi oner as shown in Figure 5 Op onal A warm air top exhaust duct can be purchased separa...

Страница 33: ...outlet grilles 8 DO NOT use the unit in areas where it will be exposed to rain or water 9 NEVER unplug the unit while it is opera ng 10 DO NOT place any foreign objects on the unit 11 DO NOT operate t...

Страница 34: ...electrical outlet 20 Regularly clean the lters to maintain e ciency If the lters are not cleaned regularly the units output performance and e ciency will decline and energy consump on will increase 2...

Страница 35: ...ected No cause Spring is possibly broken The unit doesn t work No cold air ows from the cold air outlet Water ow can be heard a er compressor shuts o Alarm displays FT with less than half of condensat...

Страница 36: ...700870 Disassembly 1 Remove the drain tank 2 Take out the four 4 screws and then remove the cooling air duct 3 Take out the three 3 screws and then remove the electric cover 4 O the circuit breaker Fo...

Страница 37: ...even 7 screws Unfasten two 2 screws to a half point Pull the front panel forward 6 Disconnect the connector from the control panel and then remove the front panel 7 Take out the ve 5 screws and then r...

Страница 38: ...from the right side panel 10 Take out the ten 10 screws and then remove the Right side panel 11 Remove the air lter from the le side panel 12 Take out the eight 8 screws and then remove the Le side p...

Страница 39: ...page 39 700870 700875 700877 SERVICE MANUAL Portable Air Condi oners 1 Take out the four 4 screws and then remove the control panel Screws 4 Control Panel Control Panel Removal...

Страница 40: ...Electrical parts and relay board removal 700870 MCCB Mold Case Current Braker OCR Over Current Relay Fan Motor for Condenser Compressor R C MC Magne c Contactor Data Cable Connector TH1 Capacitor For...

Страница 41: ...700870 700875 700877 SERVICE MANUAL Portable Air Condi oners 700870 Control Box Capacitor for Compressor Cable Tie Stand O Relay Board MC Magne c Contactor OCR Over Current Relay MCCB Mold Case Curren...

Страница 42: ...e 3 bolts of evaporator top cover 2 Loosen the set screw with a hex key and then remove the evaporator fan 3 Take o the ve 5 bolts of the Eva scroll and then remove the Eva scroll 4 Loosen the set scr...

Страница 43: ...k 2 Remove two 2 support lines and remove front panel 3 Take out the twelve 12 screws and then remove the cooling air duct 700875 eight 8 screws 4 Take out the three 3 screws and then remove the servi...

Страница 44: ...and then remove the upper panel 7 Unfasten the connector from the control panel and then remove the front panel 8 Remove the air lter from the back panel 9 Take out the two 2 screws and then remove t...

Страница 45: ...ws and then remove the back cover panel 11 Take out the four 4 screws Unfasten two 2 screws to a half point and then remove the low cover panel 12 Take out the eight 8 screws and then remove the right...

Страница 46: ...UAL 46 page Portable Air Condi oners 13 Take out the eight 8 screws and then remove the le side panel 1 Take out the four 4 screws and then remove the control panel Screws 8 Le Side Panel Screws 4 Con...

Страница 47: ...board removal 700875 700877 MC Magne c Contactor Data cable connector Capacitor for Evaporator Motor Capacitor for Condenser Motor Fan Motor for Condenser Compressor R C R Compressor S C Full Drain S...

Страница 48: ...48 page Portable Air Condi oners 700875 700877 Control Box Capacitor for Compressor Cable Tie Capacitor for Eva motor Capacitor for Cond motor Stand O Relay Board MC Magne c Contactor OCR Over Current...

Страница 49: ...three 3 bolts of evaporator top cover 2 Loosen the set screw with a hex key and then remove the evaporator fan 3 Take o the ve 5 bolts of the Eva scroll and then remove the Eva scroll 4 Loosen the set...

Страница 50: ...ermal conduc vity of the brazed ng The most important point in ame brazing is to bring the en re brazed ng to a proper brazing temperature Care should be taken not to cause over ow of the brazing ller...

Страница 51: ...nside of the pipe undergoes an oxida ve reac on due to the brazing ame Introduce dry nitrogen gas 0 3 gal min 1 L min adjust with the ow regulator through the pinch o tube of the refrigerant cycle to...

Страница 52: ...e observed Always wear proper eye protec on while handling refrigerant Maintain the temperature of the refrigerant container below 104 F 40 C Perform repairs in a properly ven lated area Never in an e...

Страница 53: ...e vacuum pump to start evacu a on Evacuate the system for approxi mately 30 min 3 When the low pressure gauge indicates 30 inHg 100 kPa turn o the vacuum pump and close the Low pressure valves of the...

Страница 54: ...valve of the re frigerant cylinder Charge the system with refrigerant to the speci ed amount Standard Amount of Refrigerant 700870 Toshiba 15 9 oz 451 g LG 15 5 oz 400 g 700875 42 3 oz 1200 g 700877...

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