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BAC-105-02B
CONSTANT TEMPERATURE & HUMIDITY
This is a product we, bumyang, tightly control quality
through all the process from design to assembly with
our experience and state-of-the art technology as a
specialized air-conditioner maker.
BUMYANG
MODELS : UCU 30M, UCU 50M, UCU 80M, UCU 100M, UCU 150J, 200J, 250J, 300J
Before using your air conditioner please read this manual carefully and keep it for future
reference
OPERATING MANUAL
certificate of approval
(ISO9001)
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Chapters
Table of Contents
Summary of Contents for Bumyang UCU 30M
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Page 1: Operating Manual
BUMYANG MODELS : UCU 30M, UCU 50M, UCU 80M, UCU 100M, UCU 150J, 200J, 250J, 300J Before using your air conditioner please read this manual carefully and keep it for future reference... -
Page 2: Table Of Contents
▣ CONTENTS ▣ ■ Safety sign -------------------------------------------------------------------- ■ Safety precaution -------------------------------------------------------------- ■ Installation precaution -------------------------------------------------------- ■ How to install ----------------------------------------------------------------- ■ Name of parts ------------------------------------------------------------------ ■ Operation precaution ----------------------------------------------------------- 10 ■ Economic operation ------------------------------------------------------------- 12 ■ Repair & management ------------------------------------------------------------ 13 ▶... -
Page 3: Safety Sign
Safety sign ◎ To prevent injury to the user and property damage, the following instructions must be followed DANGER WARNING This symbol indicates the possibility This symbol indicates the possibility of death or serious injury. of injury or demage to properties only ※... -
Page 4: Safety Precaution
Safety precaution Improper installation will cause water leakage, electrical shock, or fire. Please confirm the following important points during installing. ◎ Please consult authorized specialist for DANGER the installation work. ◎ This machine must be grounded ◎ Do not damage or use an unspecified ⇒... - Page 5 ◎ Do not step on the unit and do not put WARNING anything on it. ⇒ It may cause on injury and dropping and ◎ When the operates the unit, do not open fall down. the air flow inlet. CAUTION ⇒...
- Page 6 CAUTION ◎ Do not clean the machine surface by oil or grease. ⇒ It may cause change of color. ◎ Power is off, after machine operation is stop finally. ◎ Use the long time, ventilate 1 or 2 times in 2 hours.
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Page 7: Installation Precaution
Installation precaution Improper installation will cause water leakage, electrical shock, or fire. Please confirm the following important points during installing. CAUTION 3. Input the power cord ◎ Used certified power cord and install the leakage breaker where need to place. 1. -
Page 8: How To Install
Improper installation will cause water leakage, electrical shock, or fire. Please confirm the following important points during installing and install area. INSTALL AREA UCU 30M - 100M ◆ Install air conditioner on a flat surface taking into account the weight of air conditioner. - Page 9 ◆ Check the electric wire for proper earth ◆ Please check the cooling water circulated. connection to prevent electric shock. ◆ When cooling tower installed, check opened the valve, operated fan of cooling tower and cooling water pump. ◆ Any other water used, check opened the valve and circulated cooling water.
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Page 10: Name Of Parts
Name of parts UCU 30M, 50M, 80M, 100M UCU 150J, 200J... -
Page 11: Operation Precaution
CAUTION Operation precaution ◆ When fuse is blown out, replace it with new one with specified rating. If fuse is blown out frequently, throughly check the ◆ Do not clean the machine with water. cause. If any fuse with no specified It may cause electric shock or fire. - Page 12 ◆ Do not repaired and modified when the ◆ Do not exposed the body cool air for long machine is operating. It will cause injury period of time. It will be catch cold or and electric trouble. catch a similar symptoms. ◆...
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Page 13: Economic Operation
Economic operation ◆ Adjust the vertical/horizontal airflow ◆ Keep blinds or curtains closed. Do not let grill direction by hand. When vertical direct sunshine enter the room when the airflow grill is upper, rising the effect machine is in operation. of cooling. -
Page 14: Repair & Management
CAUTION Repair & management Air filter cleaning An air filer removes dust from air to clean the exhausted wind. If it not cleaned for a long while, dust accumulates on the filter which interferes with air flow and deteriorates the cooling performance. -
Page 15: Evaporation Cleaning
Evaporation cleaning If evaporator operates a long while, dust accumulates on the surface of evaporator. Clean evaporator once or more every month as follows : ③ ① ● Untied link on the suction grill. ● When injection water while directing water hose toward evaporator, dust is easilly removed. -
Page 16: When The Machine Is To Be Used Again
When the machine is to be used again ※ When the machine is to be used again, check the following items and machine is operated. ① Take off the safekeeping cover on the machine. ② Clean the air-filter and evaporator, re-install it indoor unit. ③... -
Page 17: Trouble Shooting
Trouble shooting ※ Check the following points before requesting repairs or service. If the fault persists, please contact your dealer or service center. trouble cause action Check turn off the power? Turn on the circuit breaker disconnect the safety switch power is interrupted. -
Page 18: Cautions Of Handling Refrigerant
Caution of handling refrigerant When replace or supply the refrigerant, please consult authorized dealer or specialist for the installation work. ⇒ Leakage refrigerant or not operate the machine, worked non-specialist. Do not replace or supply work by user. ⇒ Shortage refrigerant, it caused bed conditions or cooling effect deteriorates by machine. -
Page 19: Quality Of Supply Water
Quality of supply water 1. Check the quality of supply water as follow items. items default PH(25℃) 6.8 - 8.0 conductivity(25℃) : ㎕/㎝ 200 below chloride ion Cl- : ㎎ Cl-/ℓ 50 below sulfuric ion SO4 : ㎎SO4 /ℓ 50 below acid consumer amount(PH 4.8) : ㎎... -
Page 20: How To Use Controller
How to use controller... - Page 21 ▣ CONTENTS ▣ ■ Name of parts ------------------------------------------------------------------- 21 ■ How to use and operation -------------------------------------------------------- 23 ■ Control function ---------------------------------------------------------------- 27 ▶ Temperature function ▶ Humidity function ▶ Cooling control ▶ Heating control ▶ Humiditing control ▶ Dehumiditing control ▶...
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Page 22: Name Of Part
Name of Part Display Part (1) RUN/STOP switch (1) RUN lamp Every time this switch is pressed, Lights up during operation, and goes out operation shifts between stop and start when air conditioner stops. (2) HEATER 1,2,3 lamp (2) DISPLAY. SCAN switch Indicates one of 1, 2, and 3 heater being Every time this switch is pressed, present operated. - Page 23 Main Control Part...
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Page 24: How To Use And Operation
RUN and STOP (1) Connect main power circuit breaker. (2) Turn on POWER ON/OFF switch. Display appears in the following sequence: CRC 2004 Controller BUMYANG AIR CO.,LTD --POWER ON RESET-- set data restore ..! *** SYSTEM READY *** --POWER ON RESET-- Press a RUN switch to start a system..! - Page 25 How to check the operation condition during operation (1) Pressing DISPLAY/SCAN switch, display appears in the following sequence: *** ROOM CONDITION *** room temperature and humidity 16.5℃ 37%RH ** SET POINT(CPA) ** desired temperature and humidity 24.0℃ 55%RH ** SET POINT(PB) ** desired proportion belt(PB) 3.0 degC 10%RH...
- Page 26 How to set operation mode: (1) Pressing EDIT switch, one of following seven operation modes appears : choice condition..! humidify and temperature are 1. auto humi/temp ? automatically controlled choice condition..! temperature is automatically controled 2. auto temp only ? choice condition..! humidity is automatically controled 3.
- Page 27 The following are displayed on the LCD depending on the control status during operation : 3CYCLE) *** System Start *** temperature and humidity automatic control mode MODE = auto humi/temp *** System Start *** temperature automatic control mode MODE = auto temp only *** System Start *** only humidity automatic control mode MODE = auto humi only...
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Page 28: Control Function
CONTROL FUNCTION Temperature function Depending on the difference between the set temperature and room temperature sensed by sensor, the following temperature controller functions: (1) room temperature display range : 0℃ ˜ 50℃ 1) room temperature less then 0℃ : LO℃ display 2) room temperature more then 50℃... -
Page 29: Humidity Function
Humidity function Depending on the difference between the set humidity and room humidity sensed by sensor, the following humidity controller functions : (1) room humidity display range : 25%RH ˜ 90%RH 1) room humidity less then 25%RH : LO% display 2) room humidity more then 90%RH : HI% display (2) room humidity control range : 30%RH ˜... -
Page 30: Cooling Control
Cooling control If room temperature is higher than desensitized belt(DB) temperature as compared with desired temperature, 3 step control is carried out depending on the temperature difference .(△T = room temperature - desired temperature) (1) (DB + PB/3 + PB/3) ＜ △T ⇒ three coolers operate simultaneously(cooling high) (2) (DB + PB/3) ＜... - Page 31 Dehumidifier control (△H = room humidity - desired humidity) (1) (DB + PB/3 + PB/3) ＜ △Hu ⇒ three dehumidifiers(compressors) simultaneously(cooling high) (2) (DB + PB/3) ＜ △Hu ≤ (DB + PB/3 + PB/3) ⇒ two dehumidifiers(compressors) simultaneously(cooling middle) (3) DB ＜ △Hu ≤ (DB + PB/3) ⇒ one humidifier(compressor) operates(cooling low) (4) △Hu ≤...
- Page 32 4) The system keeps heating water inside of the cylinder until it reaches 90% of full load ampere. 5) Water supplying process resumes when the system drops down to 90% of its full load ampere. 6) The alarm system gets turned on when the water level sensor is disabled for 2 hours or when the electric current is under 2 ampere.(WATER EMPTY ERROR) 7) When 140% of the current conduction occurs, the system drains water automatically and it stops operation 20 second.
- Page 33 SELF-TROUBLE DIAGNOSTIC FUNCTION When machine fails, err lamp light up and following display appears : display remark *** SYSTEM ERROR *** suction hole filter is clogged INDOOR FILTER CLOG - air cooling type : cooling tower *** SYSTEM ERROR *** fails or does not operate AXP CONTACT OPEN - water cooling type : poor...