MUND CLIMA ® SPLIT CASSETTE COOL ONLY: MUCS-24 C MUCS-41 C HEAT PUMP: MUCS-24 H MUCS-41 H User's manual
installation Operation mechanism and working range 1 Names and functions of parts 2 Safety cautions 4 Remote control operation procedure 6 Optimum operation 15 Trouble shooting 16 Installation notes 18 Care and maintenance 19 Technical specifications 23 Installation accessories and drawings 24 Indoor unit installation 26 Outdoor unit installation 34 Test and check items after installation 36 Thank you purchasing this MUNDOCLIMA air conditioner.
Operation mechanism and working range. Working temperature range. Indoor side DB/WB ( ) Outdoor side DB/WB ( ) maximum cooling 32/23 43/26 minimum cooling 21/15 21/15 maximum heating 27/- 24/18 minimum heating 20/- -5/-6 Operation mechanism and working range Schematic diagram for cooling only type. 2 3 4 1 5 6 7 6 7 8 2 3 11 2 3 4 1 5 8 9 2 3 10 1 1. Indoor heat-exchanger 2. Connecting pipe 3. Check valve 4. Accumulator 5. Compressor 6. Filter 7.
Names and functions of parts.
Names and functions of parts.
Safety cautions Read the following carefully to assure safe use. Warning Check whether the installed stand is still firm enough after the unit has operated for a long time. If a worn-out stand is left unfixed,the unit may topple and do harm. Do not remove protection grill nets from the outdoor unit. Do not reach hands or insert anything into the unit air outlet. Do not stand on the outdoor unit or put anything on it, or you may fall down or people may get hurt by the falling things.
Safety cautions Warning Do not check or repair during the unit is operating. It is very dangerous. Do not use other heating equipment near the air conditioner. It will affect the cooling performance. Safety cautions Never place objects near the air intake and the air outlet of the unit. It may affect performance or stop operation of the unit. Do not splash water directly to indoor unit It may cause trouble or electric shock. 5 Do not bang the remote controller.
Remote control operation procedure Name and Function-Remote control Note: Be sure that there are no obstructions. The remote control signal can be received at a distance of up to about 10m. Don’t drop or throw the remote control. Don’t place the remote control in a location exposed to direct sunlight. SWING button FAN button SWING AUTO FAN FAN Presse this button to change the fan speed of: OPER AUTO AIR TEMP.button TEMP.
Remote control operation procedure Name and Function-Remote control. (Remove the cover) Note: This type of remote controller is a kind of new current controller.some buttons of the controller which are not available to this Air conditioner will not be described below. Remote control operation procedure Liquid crystal displayer It shows all set contents. SWING FAN AUTO FAN OPER AUTO AIR SWING HUMID LIGHT SAVE TIMER ON OFF HR.
Remote control operation procedure COOL mode operation procedure According to difference between room temp. and set temp., microcomputer can control cooling on or not. If room temp. is higher than set temp., compressor runs at COOL mode. If room temp. is lower than set temp., compressor stops and only indoor fan motor runs. Set TEMP. should be in range of 16 to 30 K = 4.Press FAN button, set fan speed. 3.Press SWING button, the louvers start to rotate automatically, and stop when repress.
Remote control operation procedure HEAT mode operation procedure If room temp. is lower than set temp., compressor runs at HEAT mode; If room temp. is higher than set temp., compressor and outdoor fan mortor stop, only indoor fan mortor runs. Set TEMP. should be in range of 16 to 30 K = The type of KF-xxx is not this function. Remote control operation procedure 3.Press SWING button, the louvers start to rotate automatically, and stop when repress it. SWING FAN AUTO FAN 4.
Remote control operation procedure DRY mode operation procedure If room temp. is lower than set temp., compressor ,outdoor and indoor fan mortor stop. If room of set temp., Air conditioner is drying.If room temp. is higher than set = 2 temp. is between= temp., it’s at COOL mode. Set TEMP. should be in range of 16 to 30 K = 3.Press SWING button, the louvers start to rotate automatically, and stop when repress it. SWING Remote control operation procedure = FAN AUTO FAN OPER SWING 4.
Remote control operation procedure AUTO mode operation procedure Remote control operation procedure = for HEAT At AUTO mode operation, standard TEMP. is 25 for COOL mode and 20 mode. SWING FAN AUTO FAN OPER AUTO SWING SLEEP AIR LIGHT HUMID TIMER ON TIMER OFF ANION MODE SAVE 1/0 1.Plug in,Press 1/0 button, then air conditioner is turned on. 2.According to room temp.,microcomputer can automatically set ===== operation mode,so as for best effect.
Remote control operation procedure TIMER operation procedure SWING FAN AUTO FAN TIMER ON OFF HR. SLEEP AIR LIGHT HUMID TIMER ON TIMER OFF ANION MODE SAVE At stopping,press TIME ON button, set ON TIME in range of 0 to 24 hour to start the unit automatically. 1/0 Remote control operation procedure SWING At operating,press TIMER OFF button.set OFF TIME in range of 0 to 24 hour to stop the unit automatically.
Remote control operation procedure SLEEP mode operation procedure in 1 When the unit is cooling or drying, if SLEEP operation is set, TEMP. would increase 1 in 2 hour. Indoor fan motor runs at low speed. hour and 2 When the unit is heating , if SLEEP operation is set, TEMP. would decrease 1 in 1 hour and 2 in 2 hours. Indoor fan motor runs at low speed. Remote control operation procedure 4.Press FAN button, set fan speed. 3.
Remote control operation procedure How to insert batteries Note: Don’t confuse the new and worn or different batteries. Remove batteries when not in use for a longtime. The remote control signal can be received at a distance of up to about 10m. 2 Insert the 7# batteries ACL Remote control operation procedure 1. Remove the cover from the back of the remote control. 2. Insert the two batteries ( Two AAA dry - cell batteries ) and press button “ACL”. 3. Re - attach the cover.
Optimum operation Adjust the room temperature properly Adjust the room temperature properly for a comfortable environment. Never place anything under the indoor unit that is to be kept dry. Water may drop from the indoor unit when the humidity is over 80% or when the drainage outlet is clogged.
Trouble shooting Warning * In case of something abnormal (such as bad smell), shut off the power switch immediately and contact service center. * Do not repare the air conditioner by yourself because wrong repair may cause fire,please contact service center to do it for you. Check item shown below before contacting service center.
Trouble shooting The following are not troubles “ Trouble” Cause The unit does not Restart right after stopping Once the unit is stopped, it will not operate operate when Press SET TEMP.and then release immediately. for about 3 minutes to protect it Power is switched on Wati for 1 minute When cooling Room air is chilled rapidly and becomes Mist is emitted foggy. Outdoor unit is hot after the unit is stopped Compressor is emitting heat to get ready for restarting.
Installation notes Location = = The air conditioner must be firmly installed and 3 4 liability checks must be done every year. Avoid place whthin easy reach of young children. Avoid other heat sources or dircect sun light. Install indoor unit away from TV set or radio. Avoid where inflammable gas is likely to leak. At salty coastal areas or special areas such as the vicinity of a sulphurous hot spring,please contact dealer before installation to make sure it is safe to use the unit.
Care and maintenance Please pull out the power plug after you used the air conditioner. Warning Pull out the power plug before cleaning Do not splash water directly to the unit How to clean the air filter Screws Care and maintenance 1.Open the suction grille Use screwdriver screws the two screws. Slide both knobs simultaneously as shown and then pull them downward slowly. 2.Remove the air filters. Slide knobs on the back of the suction grille outward and remove the air filter.
Care and maintenance 4.Fix the air filters Fix three air cleaner on the air filter and then fix the air filter to the suction grille by hanging it to the projected portion above suction grille. Set air filter by sliding the knob on the back of the saction grille inward. = = Shut the suction grille. How to clean the suction grille 1.Open the suection grille. See step 1 of “ How to clean the air filter” 2.Remove the air filters. See step 2 of “ How to clean the air filter” 3.
Care and maintenance Changing air cleaner See step 1 of “ How to clean the air filter” 1.Open the suction grille 2.Remove the air cleaner Remove the air filter,and remove the air cleaner affter unscrewing. Care and maintenance 3.Take off packing bag and put in new static electricity fiber filer,then fix them on the air filter. 4.
Care and maintenance How to clean the air outlet and case. Clean with soft cloth or use water and neutral detergent. Do not use gasoline,benzene,thiner,polishing powder,liquid insecticide,which may cause discoloring or warping.If the air flow flap is very dirty,you may remove it to clean as shown below. = = Detach and fix the flap 2.Fix the flap Set the ribs on the sides of the air outlet to the slit of the flap and then screw together to fix the flap.
23 3800 7000 24000 6000 30/75 5/8" 3/8" 840 3.9 1180 230-50-1 47 59 * Datas listed above may be changed without informing the consumers; * Please see the nameplate for actual datas.
Installation accessories and drawings Accessories Shape Notes Quantity 1 Drainage hose 1 2 Clamp 1 3 Washer 10 10 4 Clamp 4 L=200 5 Paper pad for installaition 1 6 Screws 4 7 Washer fixing plate 4 8 Insulation for gas pipe 1 9 Insulation for liquid pipe 1 10 Big sealing pad 1 5 160 300 11 Sealing pad 1 5 45 300 12 Small sealing pad 2 3 30 150 13 outdoor unit drainage head 1 14 Sealing bar 1 120 65 25 15 PVC tape 2 30 10 16 Remote cont
Installation accessories and drawings Installation drawings Indoor unit 1500mm or more 2300mm or more Installation accessories and drawings H 20mm or more Air intake 1500mm or more unit: mm Model H MUCS-24C/MUCS-24H 260 MUCS-41C/MUCS-41H 340 Ground (Fig.1) Outdoor unit 500mm or more 500mm or more 1000mm or more 300mm or more Air outlet 2000mm or more Ground Note: Air conditioner must be installed by skilled personnel according to this manual. 25 2000mm or more (Fig.
Indoor unit installation Location 1.Do not place object near the air oulet so that conditioned air can reach the whole room. 2.Be sure to install the indoor unit firmly and horizontly. 3.Select the place that can support 4 times of the indoor unit’s weight and will not increase noise and vibration. 4.Select a place easy to drain water and connect with the outdoor unit. 5.Make sure there is enough space for maintenance and make sure the distance between the unit and ground is 2.3m or more. 6.
Indoor unit installation Indoor unit installation 1.Install the indoor unit temporarily. Attach the hanger bracket to the suspension bolt.Be sure to fix it securely by using a nut and washer from the upper and lower sides of the hanger bracket.the washer fixing plate =will prevent the washer from falling. Refer to the paper pad for installation =for ceiling opening demension.
Indoor unit installation Connection of refrigerant pipe Besure to use both a spanner and torque wrench together as shown in the drawing,connecting or disconnecting pipes to/from the unit. Refer to table 1 to determine the proper tightening torque (over tightening may damage the flare and cause leaks.) When conecting the flare nut,coat the flare both inside and outside with refrigerating machine oil and initially tighten by hand 3 or 4 turns.
Indoor unit installation Drainage pipe 1.Installation of drainage pipe. The diameter of the drainage pipe should be greater than of equal to the diameter of the connecting pipe[vinyl tube, pipe size:25mm(outer dimension)] Keep the drainage pipe short and sloping downwards at a gradient of at least 1/100 to prevent air pockets from forming. If the drainage hose cannot be sufficiently set on a slope,add a drainage raising pipe. To keep the drainage hose from sagging,keep space between hanging hooks at 1 1.5m.
Indoor unit installation 2.After finishing installation,check if drainage water flows smoothly. Add approximately 600 cc of water to the drainage trough through air outlet or inspection hole slowly and check drainage flow. When electric wiring is finished,check drainage flow during cooling operation. Method of adding water.
Indoor unit installation L1 L2 L3 N N L three phase one phase L N Power supply terminal board (3 for cool/heat 5 for cool only) Come from outside unit Clamp Indoor unit installation Clamp Rubber bush Control box lid (2) Seal here to avoid leakage Rubber bush Control box lid (1) Precautions:Be sure to connect the indoor unit and outdoor unit at right poles. Installation of panel 1.
Indoor unit installation Hook Latch Piping position Indoor unit installation Swing flap motor Sealing material Indoor unit Ceiling 5 Air outlet 8mm Panel (Fig.4) Precautions 1.Improper screwing of the screws may cause the troubles shown in Fig.5 Air leak Air leak from ceiling Contamination dew condensation,dew dripping (Fig.
Indoor unit installation 2. If gap is still left between the celling and the panel after screwing the screws,readjust height of the indoor unit body (Refer to Fig.6) Adjustment of the indoor unit body from the holes in the corner of the panel is possible if the indoor unit is kept leveled and the drainage pipe piping etc is unaffectecd. No gap is allowed Indoor unit installation (Fig.6) * After fixing,be sure no gap left between the ceiling and the panel 3.Wiring of the decoration panel.
Outdoor unit installation Selecting installation site Select an installation site where the folliwing conditions are satisfied and that meets with your customer’s approval. Places which are well-ventilated. Safe places which can withstand the unit’s weight and vibration and where the unit can be installed level. Places where the unit does not bother next-door neighbors. Places where there is no possibility of flammable gas leak.
Outdoor unit installation Electric wiring (1) Read the name plate carefully,then arrange wiring according to the “ WIRING DIAGRAM ”. (2) A circuit breaker capable of shutting down power supply to the entire system must be installed. (3) Earth properly. (4) All wiring must be perfomed by a skilled electrican according to the “ WIRING DIAGRAM ”.Wrong wiring may cause fire of electric shock. Connect the power connecting wires (1) Remove the front side plate (Fig.
Test and check item after installation 1. Prepare for test (1) Do not turn on the power switch before all installation is finsihed. (2) Connect wires corectly and firmly. (3) Open the check valve. (4) Remove all dust. 2. Testing (1) Turn on the power switch and press “1/0” button. (2) Press “MODE”button select COOL,HEAT,FAN,etc to test whether it operates mormally. 3.Emergency operation. When the batteries fail or when the remote controller is missing,operate as shown below.
