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Ideal Air 700875 Service Manual

Portable air condioners
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IDEAL AIR
Portable Air Condi oners
Models: 700870,700875,700877
SERVICE MANUAL

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Summary of Contents for Ideal Air 700875

  • Page 1 IDEAL AIR Portable Air Condi oners Models: 700870,700875,700877 SERVICE MANUAL...

  • Page 2: Table Of Contents

    700870,700875,700877 SERVICE MANUAL Portable Air Condi oners Table of Contents GENERAL DESCRIPTION..................4 General air conditioning system Portable air conditioning system SPECIFICATIONS....................5 Exterior Dimension Diagram Technical Speci ications Characteristics CONSTRUCTION....................9 Internal Structure REFRIGERANT SYSTEM CONSTRUCTION..........12 Compressor Compressor lubrication Condenser Capillary Tube...
  • Page 3 700870,700875,700877 SERVICE MANUAL Portable Air Condi oners ASSEMBLY......................32 Component parts General Safety Information Troubleshooting chart DISASSEMBLY (For 700870).................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 removal Fan motor removal REFRGERANT SYSTEM REPAIR..............50...

  • Page 4: General Description

    Outdoor Unit Condenser Evaporator Portable air condi oning system 1) The 700870 / 700875 / 700877 is a spot cooler which directs cool air to par cular areas or objects. Exhaust Hot Air 2) The 700870 / 700875 / 700877 has the following features.

  • Page 5: Specifications

    700870,700875,700877 SERVICE MANUAL Portable Air Condi oners SPECIFICATIONS Exterior Dimension Diagram <700870> 12.5 13.1 17.5 19.8 page 5...
  • Page 6 700870,700875,700877 SERVICE MANUAL Portable Air Condi oners <700875> 16.3 16.3 17.3 22.1 24.4 6 page...
  • Page 7 700870,700875,700877 SERVICE MANUAL Portable Air Condi oners <700877> 22.1 16.3 16.3 17.3 22.1 24.4 page 7...

  • Page 8: Service Manual

    700870,700875,700877 SERVICE MANUAL Portable Air Condi oners Technical Specifi ca ons Specifications Unit 700870 700875 700877 Cooling Capacity Btu/h 13,200 19,500 / 21,000 28,000 / 29,000 Phase Single Single Single Volts 208 / 230 208 / 230 Power Supply Hertz...

  • Page 9: Construction

    700870,700875,700877 SERVICE MANUAL Portable Air Condi oners CONSTRUCTION Internal Structure <700870> Condenser Air Outlet Condenser Motor Eva Scroll Condenser Evaporator Motor Evaporator Control Box • Relay Board • Capacitor Control Panel Drain Tank Drain Tank Switch Caster (Rear) Compressor Cooling Air Duct...
  • Page 10 700870,700875,700877 SERVICE MANUAL Portable Air Condi oners <700875> Cooling Air Duct Condenser Air Outlet Condenser Motor Control Panel Condenser Evaporator Motor Eva Scroll Control Box • Relay Board • Capacitor Drain Tank Evaporator Drain Tank Switch Caster (Rear) Compressor Locking Swivel Caster...
  • Page 11 700870,700875,700877 SERVICE MANUAL Portable Air Condi oners <700877> Cooling Air Duct Condenser Air Outlet Condenser Motor Control Panel Condenser Evaporator Motor Eva Scroll Evaporator Control Box • Relay Board Drain Tank • Capacitor Drain Tank Switch Caster (Rear) Compressor Locking Swivel Caster...

  • Page 12: Refrigerant System Construction

    700870,700875,700877 SERVICE MANUAL Portable Air Condi oners REFRIGERANT SYSTEM CONSTRUCTION <700870,700875,700877> Condenser Air Outlet Flow of Refrigerant Condenser Motor Condenser Compressor Accumulator Evaporator Capillary tube Drier 12 page...

  • Page 13: Compressor

    700870,700875,700877 SERVICE MANUAL Portable Air Condi oners Compressor The construc on of a rotary type compressor is divided into 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 the refrigerant.
  • Page 14 700870,700875,700877 SERVICE MANUAL Portable Air Condi oners Compressor opera on 1) Start of compression Discharge 1) The cylinder is fi lled with low pressure Blade Valve gas. 2) Since pressure in the discharge cham- ber is higher than in the cylinder, the discharge valve is kept closed.

  • Page 15: Compressor Lubrication

    700870,700875,700877 SERVICE MANUAL Portable Air Condi oners Compressor lubrica on The lubrica on system is comprised of a hollow sha , an oil scraper mounted at the end face, hollow sha , a sha journal (sha bearing), and the lubrica on groove for the sha journal.

  • Page 16: Capillary Tube

    700870,700875,700877 SERVICE MANUAL Portable Air Condi oners Capillary Tube The capillary tube is a long thin tube that u lizes line fl ow resistance as an expansion valve. The length and the inner diameter of the capillary tube are determined according to...

  • Page 17: Electrical System

    700870,700875,700877 SERVICE MANUAL Portable Air Condi oners ELECTRICAL SYSTEM Circuit Diagram <700870> (TH1) (TH2) (TH3) DRAIN PUMP page 17...
  • Page 18 700870,700875,700877 SERVICE MANUAL Portable Air Condi oners <700875,700877> (TH1) (TH2) (TH3) DRAIN PUMP 18 page...

  • Page 19: Control Panel

    700870,700875,700877 SERVICE MANUAL Portable Air Condi oners Control panel Before opera ng the unit, it is important to be familiar with the basic opera on of the control panel. 1. POWER BUTTON • Ac vates unit when POWER BUTTON is pressed.
  • Page 20 700870,700875,700877 SERVICE MANUAL Portable Air Condi oners 5. SET TEMP BUTTON • Change target temperature / data value by ± 1. • Change data value by ± 10 by pressing con nually. • Press the SET TEMP BUTTONS to set temperature.
  • Page 21 700870,700875,700877 SERVICE MANUAL Portable Air Condi oners Program Se ng Temperature Se ng Program Se ng (Auto restored when no se ng is made in each mode) Keep depressing more than Temperature 3 seconds dependence Delay me Change Change Change...

  • Page 22: Relay Board

    (700870: 115 VAC, 700875: 208/230, 700877: 208/230 VAC) to 12V. This voltage is then converted from AC to DC and used for relay coil ac va on. The 12 V (DC) power is sent to the control panel assembly.
  • Page 23 700870,700875,700877 SERVICE MANUAL Portable Air Condi oners 3)Input Signal The relay board receives inputs from the control panel, sensors, and external devices to perform device control. Control Panel Input Symbol Indica on Func on Connector ON/OFF Bu on If POWER BUTTON is pressed during opera on, unit stops.
  • Page 24 700870,700875,700877 SERVICE MANUAL Portable Air Condi oners Control Specifi ca ons 1)EVAPORATOR FAN MOTOR • When the BLOWER bu on is pressed, the RL1/3 (fan motor HI/LOW) relay on the relay board turns on, opera ng the fan. Specifi ca ons:...
  • Page 25 700870,700875,700877 SERVICE MANUAL Portable Air Condi oners 4) Compressor me delay control (compressor protec on) Compressor protec on consists of a me delay program within the micropro- cessor. This program prevents a heavy load from being applied to the compres- sor motor when restar ng the unit (room/cool mode or spot/cool mode) a er a very short period of me.
  • Page 26 700870,700875,700877 SERVICE MANUAL Portable Air Condi oners 6)Temperature control • During cool mode, temperature control changes the RL4 (compressor on/off ) relay status according to TH3 temperature in the available range(-4 °F to 140 °F (-20 °C to 60 °C)).
  • Page 27 700870,700875,700877 SERVICE MANUAL Portable Air Condi oners Self-Diagnos c Codes Self-diagnos c codes are displayed on the Display Panel under the following condi ons. Alarm Display Problem Cause Correc ve Ac on Do not use the air Frost preven on...
  • Page 28 700870,700875,700877 SERVICE MANUAL Portable Air Condi oners Compressor 1) Compressor motor • The compressor motor is a single-phase motor and is contained within the same housing as the compressor. Specifi ca ons: Rated Voltage Rated Output 700870 115V 1175W ±5%...
  • Page 29 700870,700875,700877 SERVICE MANUAL Portable Air Condi oners Evaporator Fan Motor • The fan motor is a single phase, induc on type. The motor rotates the fan. • The following table shows the specifi ca ons of the fan motor used for each model.

  • Page 30: Temperature Sensor

    700870,700875,700877 SERVICE MANUAL Portable Air Condi oners Capacitor Capacitor • The capacitor is used to improve the rota onal power of the fan motor and compressor at start up. The specifi ca on for each capacitor is Check capacitance shown below.
  • Page 31 700870,700875,700877 SERVICE MANUAL Portable Air Condi oners Drain Tank Switch • The drain switch ac vates and stop the opera on of compressor motor and fan motor when approximately 3.17 gal (12 L) of drain water accumulates in the drain tank. At the same me, control panel display “FL”, and compressor and fan opera ons stop.

  • Page 32: Assembly

    700870,700875,700877 SERVICE MANUAL Portable Air Condi oners ASSEMBLY Component parts Cool air outlet hose Top fan wire grille Rubber stopper Display / Control board Side handle Evaporator / filter Condenser / filter Guide bar for condensate water tank Electrical access...

  • Page 33: General Safety Information

    700870,700875,700877 SERVICE MANUAL Portable Air Condi oners General Safety Informa on Please read this manual carefully for instruc ons on correct installa on and usage. Please read all safeguards. 1. Transport and store the unit in an upright posi on only. Leave unit in an upright posi on for at least 3 hours before fi...
  • Page 34 700870,700875,700877 SERVICE MANUAL Portable Air Condi oners 17. AVOID the use of adapter plugs or extension cords. If it is necessary to use an extension cord or an adapter plug to operate the unit, ensure that they are correctly rated for the applica on. Consult a local qualifi ed electrician and all local electrical codes to ensure proper setup.

  • Page 35: Troubleshooting Chart

    700870,700875,700877 SERVICE MANUAL Portable Air Condi oners Troubleshoo ng chart Symptom Possible Cause(s) Correc ve Ac on Water leakage High water level in condensate 1. Remove blockage from drain hose 2. Remove any object stuck tank undeerneath of the black panel nuder the water tank The unit doesn’t...

  • Page 36: Disassembly (For 700870)

    700870,700875,700877 SERVICE MANUAL Portable Air Condi oners DISASSEMBLY (For 700870) Disassembly 1) Remove the drain tank. 2) Take out the four (4) screws, and Cooling Air Duct Screws (4) then remove the cooling air duct. Drain Tank 3) Take out the three (3) screws, and then remove the electric cover.
  • Page 37 700870,700875,700877 SERVICE MANUAL Portable Air Condi oners 5) Take out the seven (7) screws. Unfasten two (2) screws to a half point. Pull the front panel forward. Screws (7) Screws (2) Front Panel 6) Disconnect the connector from the control panel and then remove the front panel.
  • Page 38 700870,700875,700877 SERVICE MANUAL Portable Air Condi oners 8) Take out the fi ve (5) screws, and then remove the back cover. Screws (5) Back Cover 9) Remove the air fi lter from the right-side panel. Screws (10) 10) Take out the ten (10) screws, and then remove the Right-side panel.

  • Page 39: Control Panel Removal

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

  • Page 40: Electrical Parts And Relay Board Removal

    700870,700875,700877 SERVICE MANUAL Portable Air Condi oners Electrical parts and relay board removal <700870> Full Drain Switch (Compressor) (S) (C) Condenser Motor Capacitor For Compressor Data Cable Connector MC:Magne c Contactor Compressor (R-C) Fan Motor for Condenser MCCB:Mold Case Current Braker...
  • Page 41 700870,700875,700877 SERVICE MANUAL Portable Air Condi oners <700870> Control Box Capacitor for Compressor Stand-Off Cable Tie Relay Board MC:Magne c Contactor OCR:Over Current Relay MCCB:Mold Case Current Braker page 41...

  • Page 42: Fan Motor Removal

    700870,700875,700877 SERVICE MANUAL Portable Air Condi oners Fan Motor Removal <700870> 4)Axial Fan 5)Condenser Motor 1)Eva Top Cover 5)Condenser Motor Bracket 6)Evaporator Motor 6)Evaporator Motor Bracket 2)Evaporator Fan 3)Eva Scroll 1) Take off the three (3) bolts of evaporator top cover.

  • Page 43: Disassembly (For 700875,700877)

    Screws (12) 3) Take out the twelve (12) screws, and then remove the cooling air duct. (700875 : eight (8) screws) Drain Tank Front Panel 4) Take out the three (3) screws, and then remove the service panel.
  • Page 44 700870,700875,700877 SERVICE MANUAL Portable Air Condi oners 6) Take out the fourteen (14) screws, and then remove the upper panel. Screws (14) Upper Panel 7) Unfasten the connector from the control panel and then remove the front panel. Control panel Connector 8) Remove the air fi...
  • Page 45 700870,700875,700877 SERVICE MANUAL Portable Air Condi oners 10) Take out the eight (8) screws, and then remove the back cover panel. Screws (8) Back Cover Panel 11) Take out the four (4) screws. Screws (4) Unfasten two (2) screws to a half...

  • Page 46: Control Panel Removal

    700870,700875,700877 SERVICE MANUAL Portable Air Condi oners 13) Take out the eight (8) screws, and then remove the le -side panel. Screws (8) Le Side Panel Control Panel Removal 1) Take out the four (4) screws, and then remove the control panel.

  • Page 47: Electrical Parts And Relay Board Removal

    700870,700875,700877 SERVICE MANUAL Portable Air Condi oners Electrical parts and relay board removal <700875,700877> Full Drain Switch (Compressor) MC : Magne c Contactor Capacitor for Compressor MCCB: Mold case Current Braker OCR: Over Current Relay Fan Motor for Condenser Capacitor...
  • Page 48 700870,700875,700877 SERVICE MANUAL Portable Air Condi oners <700875,700877> Capacitor for Compressor Cable Tie Control Box Capacitor for Eva motor Capacitor for Cond motor MCCB:Mold Case Current Braker MC:Magne c Contactor Stand-Off OCR:Over Current Relay Relay Board 48 page...

  • Page 49: Fan Motor Removal

    700870,700875,700877 SERVICE MANUAL Portable Air Condi oners Fan Motor Removal <700875,700877> 4)Axial Fan 5)Condenser Motor 1)Eva Top Cover 5)Condenser Motor Bracket 6)Evaporator Motor 3)Eva Scroll 6)Evaporator 2)Evaporator Fan Motor Bracket 1) Take off the three (3) bolts of evaporator top cover.

  • Page 50: Refrgerant System Repair

    700870,700875,700877 SERVICE MANUAL Portable Air Condi oners REFRIGERANT SYSTEM REPAIR Brazing • In the event of a leak, obstruc on, or trouble in the refrigerant system of the unit, replace or repair the defec ve component. A er replacing defec ve com- ponent, braze all connec ons.
  • Page 51 700870,700875,700877 SERVICE MANUAL Portable Air Condi oners 3) Cleaning brazing fi ller metal and piping • When the refrigerant system has been opened, exposure to heat may cause the brazing fi ller metal to s ck to the inside and outside of the piping. Brazing fi...

  • Page 52: Charging The System With R-410A Refrigerant

    700870,700875,700877 SERVICE MANUAL Portable Air Condi oners Charging the System with R-410A Refrigerant • Always ensure that the refrigerant system has been properly evacuated before charging with the specifi ed amount of R-410A. • Equipments is only for R-410A. • Liquid charge (no gas charge).
  • Page 53 700870,700875,700877 SERVICE MANUAL Portable Air Condi oners Connec on of gauge manifold 1) Connect the charging hoses (low pressure side) for the gauge manifold to the tube Tube Fitting fi ng. NOTE: Connect the hoses using care not to mistake the high pressure side for the low pressure side and vice versa.

  • Page 54: Refrigerant Charging Work

    Charge the system with refrigerant to the specifi 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: 51.8 oz (1470 g) The amount of refrigerant charged has a great ef- fect on the cooling capacity of the unit.

This manual is also suitable for:

700870700877

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