System Heat Pump Indoor Unit OWNER'S MANUAL MODELS: CRNN-BN/BJ Series Type: Ceiling Concealed Duct- Low Static Prior to installation, this airconditioning unit must be submitted for approval by the utility service which provides electricity (EN 61000-2, EN 61000-3 Norm). IMPORTANT • Please read this owner's manual carefully and thoroughly before installing and operating your room air conditioner. • Please retain this owner's manual for future reference after reading it thoroughly.
Ceiling Concealed Duct – Low Static Type Indoor Unit Owner’s Manual TABLE OF CONTENTS Safety Precautions.................3 Prior to Operation ..................8 Operating Instructions...........9 Name and Function of Remote Control...................9 The Remote Control Setting Method...............................11 How to use the Operation Mode Selection Button.....14 Maintenance and Service ....21 Before you Call for Service ............................................
Safety Precautions Safety Precautions 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. The seriousness is classified by the following indications. WARNING This symbol indicates the possibility of death or serious injury. CAUTION This symbol indicates the possibility of injury or damage to properties only.
Safety Precautions Do not modify or extend the power cable. • There is risk of fire or electric shock. For installation, always contact the dealer or an Authorized Service Center. • There is risk of fire, electric shock, explosion, or injury. Do not install, remove, or re-install the unit by yourself (customer). • There is risk of fire, electric shock, explosion, or injury. Do not install the product on a defective installation stand. • It may cause injury, accident, or damage to the product.
Safety Precautions Do allow water to run into electric parts. Do not store or use flammable gas or combustibles near the product. Do not use the product in a tightly closed space for a long time. • It may cause There is risk of fire, failure of the product, or electric shock. • There is risk of fire or failure of product. • Oxygen deficiency could occur. Gasolin When flammable gas leaks, turn off the gas and open a window for ventilation before turn the product on.
Safety Precautions When the product is not be used for a long time, disconnect the power supply plug or turn off the breaker. • There is risk of product damage or failure, or unintended operation. Take care to ensure that nobody could step on or fall onto the outdoor unit. • This could result in personal injury and product damage. CAUTION ■ Installation Always check for gas (refrigerant) leakage after installation or repair of product. • Low refrigerant levels may cause failure of product.
Safety Precautions Do not block the inlet or outlet of air flow. • It may cause product failure. Use a soft cloth to clean. Do not use harsh detergents, solvents, etc. • There is risk of fire, electric shock, or damage to the plastic parts of the product. Do not touch the metal parts of the product when removing the air filter. They are very sharp! • There is risk of personal injury. x Wa Thinner Do not step on or put anyting on the product.
Prior to operation Prior to Operation Preparing for operation 1. Contact an installation specialist for installation. 2. Use a dedicated circuit. Usage 1. Being exposed to direct airflow for an extended period of time could be hazardous to your health. Do not expose occupants, pets, or plants to direct airflow for extended periods of time. 2. Due to the possibility of oxygen deficiency, ventilate the room when used together with stoves or other heating devices. 3.
Operating Instructions Operating Instructions Name and Function of Remote Control Wired Type AUTO SWING OPERATION SET TEMP Room Temp Timer Operation unit 03 SUB FUNCTION 1 HI MED LO AUTO Heater Preheat JET Defrost Humidify Filter Out door ZONE 1 2 3 4 Time On Off Set no. Time 01 FAN SPEED Program set 05 07 09 11 13 15 17 19 21 23 3 Signal receptor 7 8 9 10 11 12 2 Timer Cancel Program Week Hour Min 5 6 4 Holiday 14 SET/CLR RESET 13 1.
Operating Instructions Wireless Type(Option) This air-conditioner is equipped with wired remote control basically. But if you want to be available with wireless remote control, you pay for it. 1. START/STOP BUTTON Operation starts when this button Signal transmitter is pressed and stops when the button is pressed again. 2. OPERATION MODE SELECTION BUTTON Used to select the operation mode. 3. ROOM TEMPERATURE SETTING BUTTONS Used to select the room temperature. 4.
Operating Instructions The Remote Control Setting Method Set the Current Time and a day of the Week 1 Press the ' ' button. Hour Each time the button is pressed, the number is changed from 00 to 23. You can set the number of the current hour. AUTO SWING OPERATION SET TEMP FAN SPEED Room Temp AUTO Heater Preheat JET Defrost Humidify Filter Out door ZONE 1 2 3 4 Hour Time Timer Operation unit On Off Set no.
Operating Instructions Weekly Programming 1 Press the Program button. The remote controller is displayed like a picture. Then ' Program AUTO SWING Program set OPERATION ', ' ' and '01' is blinked. SET TEMP Room Temp 2 03 SUB FUNCTION HI MED LO AUTO Heater Preheat JET Defrost Humidify Filter Out door ZONE 1 2 3 4 Time Operation unit Timer On Off Set no. Time 01 FAN SPEED Program set 05 07 09 11 13 15 17 19 21 23 Week Press the ' ' button. Select Monday.
Operating Instructions Holiday Setting If Tuesday is a holiday in this week, you may set a holiday. Program Press the Program button. Week Press the Week button. Select the Tuesday. Holiday Press the Holiday button. AUTO SWING OPERATION SET TEMP Room Temp Then the remote controller will be displayed ' The outside rectangular means holiday. '. Operation unit 03 SUB FUNCTION HI MED LO AUTO Heater Preheat JET Defrost Humidify Filter Out door ZONE 1 2 3 4 Time Timer On Off Set no.
Operating Instructions How to Use the Operation Mode Selection Button Operation Mode Cooling Mode Soft Dry Mode Heating Mode Auto Mode Operation Procedure 1st On/Off Button AUTO SWING OPERATION SET TEMP Room Temp 2nd Operation Mode Selection Button Operation unit 03 SUB FUNCTION AUTO Heater Preheat JET Defrost Humidify Filter Out door ZONE 1 2 3 4 HI MED LO Time Timer On Off Set no.
Operating Instructions 1 Cooling Operation Mode 1 Press the On/Off Button. 2 Select Cooling Operation. Press the Operation Mode Selection Button. Each time the button is pressed, the operation mode is shifted in the arrow direction. Operation Display AUTO SWING OPERATION SET TEMP Operation unit 03 07 09 11 Timer 13 15 17 Cooling Operation 3 FAN SPEED 03 SUB FUNCTION AUTO SWING Program set 05 07 09 11 OPERATION SET TEMP 15 17 On Off 21Set no.
Operating Instructions 2 Soft Dry Operation Mode This mode dehumidifies without overcooling. 1 2 Press the On/Off Button. Select Soft Dry Operation. Press the operation Mode Selection Button. Each time the button is pressed, the operation mode is shifted in the arrow direction.
Operating Instructions 3 Heating Operation Mode 1 2 Press the On/Off Button. Select Heating Operation. Press the Operation Mode Selection Button. Each time the button is pressed, the operation mode is shifted in the arrow direction. Operation Display AUTO SWING OPERATION SET TEMP Operation unit 03 07 09 11 Timer 13 15 17 Cooling Operation 3 Set the temperature.
Operating Instructions 4 Auto Operation Mode 1 Press the On/Off Button. 2 To select Auto Operation, press the Operation Mode Selection button. Each time the button is pressed, the operation mode is shifted in the direction of the arrow. Operation Display AUTO SWING OPERATION SET TEMP FAN SPEED Room Temp Time Timer Operation unit On Off Set no.
Operating Instructions 5 FAN Operation 1 Press the On/Off Button. 2 Press FAN Operation Button. 3 Each time Indoor Fan Speed button is pressed, the fan speed mode is shifted in the arrow direction. AUTO SWING OPERATION SET TEMP Room Temp Operation unit 03 SUB FUNCTION 07 09 11 OPERATION 15 17 19 • Fan speed is high. 21 23 Operation unit On Off Set no. Time 01 03 FAN SPEED SUB FUNCTION 07 09 11 OPERATION 15 17 19 • Fan speed is low. 21 23 Operation unit On Off Set no.
Operating Instructions Operation Details • Cooling Operation Mode When the room temperature is higher than the set temperature, it operates in cooling mode at the set temperature, the set fan speed, and then it will be in automatically turn off when the room temperature reaches the set temperature +0.5°C. ROOM TEMP. More 3 minutes OPERATION START SET TEMP. +0.5°C) OPERATION STOP SET TEMP. -0.
Maintenance and Service Maintenance and Service CAUTION: Before performing any maintenance, turn off the main power to the system. Grille, Case, and Remote Control ❏ Turn the system off before cleaning. To clean, wipe with a soft, dry cloth. Do not use bleach or abrasives. NOTICE Supply power must be disconnected before cleaning the indoor unit. ❏ Never use any of the followings: • Water hotter than 40°C Could cause deformation and/or discoloration.
Maintenance and Service When the air conditioner is not going to be used for a long time. When the air conditioner is to be used again. When it is not going to be used for a long time. ■ Check that the air inlet and outlet of the indoor/outdoor unit are not blocked. Operate the air conditioner on Air circulation mode for 2 to 3 hours. • This will dry out the internal parts. Turn off the circuit breaker.
Maintenance and Service Before you call for service... ? Troubleshooting Tips! Save time and money! Check the following points before requesting repairs or service.... If the malfunction persist, please contact your dealer. The air conditioner does not operate. • Have you made a mistake in timer operation? • Has the fuse blown or has the circuit breaker been tripped? Does not cool or heat effectively. • Is the air filter dirty? See air filter cleaning instructions.
P/No.: 3828A20167S Printed in Korea After reading this manual, keep it in a place easily accessible to the user for future reference.
