Related Manuals for Mitsubishi SRK10CFV-4; SRK13CFV-4
Summary of Contents for Mitsubishi SRK10CFV-4; SRK13CFV-4
- Page 1 ROOM AIR-CONDITIONING TECHNICAL MANUAL & PARTS LIST WALL MOUNTED TYPE ROOM AIR-CONDITIONER (Split system, air cooled cooling only type) SRK10CFV-4, 13CFV-4...
- Page 2 TECHNICAL MANUAL...
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Page 3: Table Of Contents
CONTENTS 1. GENERAL INFORMATION ................2 1.1 Specific features ..................2 1.2 How to read the model name ..............2 2. SELECTION DATA .................... 3 2.1 Specifications ..................... 3 2.2 Range of usage & limitations ..............5 2.3 Exterior dimensions .................. 5 2.4 Piping system ..................... -
Page 4: General Information
1.1 Specific features The “MITSUBISHI HEAVY INDUSTRIES, LTD.” room air-conditioner: SRK series are of split and wall mounted type and the unit consists of indoor unit and outdoor unit with refrigerant precharged in factory. The indoor unit is composed of room air cooling equip- ment with operation control switch and the outdoor unit is composed of condensing unit with compressor. -
Page 5: Selection Data
SELECTION DATA 2.1 Specifications Model SRK10CFV-4 (Indoor unit) SRC10CFV-4 (Outdoor unit) (220V) Model SRK10CFV-4 SRC10CFV-4 Item Cooling capacity 9000 Power source 1 Phase, 220V, 50Hz Cooling input 0.73 Running current (Cooling) Inrush current COP (In cooling) 3.62 Noise level Exterior dimensions 268 ×... - Page 6 Model SRK13CFV-4 (Indoor unit) SRC13CFV-4 (Outdoor unit) (220V) Model SRK13CFV-4 SRC13CFV-4 Item Cooling capacity 12500 Power source 1 Phase, 220V, 50Hz Cooling input 1.06 Running current (Cooling) Inrush current COP (In cooling) 3.45 Noise level Exterior dimensions 268 × 790 × 199 540 ×...
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Page 7: Range Of Usage & Limitations
2.2 Range of usage & limitations Models All models Item Indoor return air temperature (Upper, lower limits) Refer to the selection chart Outdoor air temperature (Upper, lower limits) Refrigerant line (one way) length Max. 15m Vertical height difference between Max. 5m (Outdoor unit is higher) outdoor unit and indoor unit Max. -
Page 8: Piping System
(2) Outdoor unit Models SRC10CFV-4, 13CFV-S Drain holes Unit: mm 313.1 349.5 439.1 104.9 165.1 18.9 61.9 2-16×12 Terminal block Service valve (Liquid) Flare connecting ø6.35 (1/4") 138.4 33.5 Service valve (Gas) Flare connecting 10: ø9.52 (3/8") 13: ø12.7 (1/2") 2.4 Piping system Models All models Indoor unit... -
Page 9: Selection Chart
2.5 Selection chart Correct the cooling capacity in accordance with the conditions as follows. The net cooling capacity can be obtained in the following way. Net capacity = Capacity shown on specification ✕ Correction factors as follows. (1) Coefficient of cooling capacity in relation to temperatures Cooling Applicable range Indoor air W.B. -
Page 11: Outline Of Operation Control By Microcomputer
OUTLINE OF OPERATION CONTROL BY MICROCOMPUTER 4.1 Operation control function by remote control switch Remote control Models SRK10CFV-4, 13CFV-4 ◆ Operation selection FAN SPEED button OPERATION MODE select button Each time the button is pushed, the Each time the button pushed, the indicator is switched over in turn. -
Page 12: Unit On/Off Button
Unit indication selection Models SRK10CFV-4, 13CFV-4 RUN light (green) Illuminates during operation and CLEAN operation. TIMER light (yellow) Illuminates during TIMER operation. TIMER HI POWER 3D AUTO ON / OFF HI POWER light (green) Illuminates during HIGH POWER operation. 3D AUTO light (green) Illuminates during 3D AUTO operation. -
Page 13: Power Blackout Auto Restart Function
4.3 Power blackout auto restart function (1) Power blackout auto restart function is a function that records the operational status of the air-conditioner immediately prior to it being switched off by a power cut, and then automatically resumes operations at that point after the power has been restored. (2) The following settings will be cancelled: Jumper wire (J7) (a) Timer settings... -
Page 14: Flap And Louver Control
4.5 Flap and louver control Control the flap and louver by AIRFLOW (UP/DOWN) and (LEFT/RIGHT) button on the wireless remote control. (1) Swing flap Flap moves in upward and downward directions continuously. (2) Swing louver Louver moves in left and right directions continuously. (3) When not operating The flap returns to the position of air flow directly below, when operation has stopped. -
Page 15: Timer Operation
4.7 Timer operation (1) Comfortable timer setting (ON timer) If the timer is set at ON when the operation select switch is set at the cooling, or the cooling in auto mode operation is selected, the comfortable timer starts and determines the starting time of next operation based on the initial value of 15 minutes and the relationship between the room temperature at the setting time (temperature of room temperature sensor) and the setting temperature. -
Page 16: Installation Location Setting
4.8 Installation location setting When the indoor unit is installed at the end of a room, control the air flow direction so that it is not toward the side walls. If you set the remote control’s installation position, keep it so that the air flow is within the range shown in the following figure. (1) Setting If the air conditioning unit is running, press the ON/OFF button to stop. -
Page 17: Outline Of Cooling Operation
4.9 Outline of cooling operation (1) Operation of major fanctinal components Item When the compressor When the compressor When the compressor goes Functional command is OFF command is ON OFF due to an anomalous stop. components Indoor fan motor Flap and louver ON or OFF ON or OFF Stop position control... -
Page 18: Outline Of Dehumidifying Operation
4.10 Outline of dehumidifying operation (1) Choose the appropriate operation block area by the difference between room temperature and thermostat setting temperature as shown below. ¡ Operation block area D Block C Block B Block A Block –2 Room temp. – Setting temp.(deg) (2) Start up operation C.D Block A.B Block... -
Page 19: Outline Of Automatic Operation
4.11 Outline of automatic operation (1) Determination of operation mode The blow operation of the indoor fan is carried out at the 1st speed for 20 seconds and the room temperature is checked to determine the operation mode automatically. (When the unit is operated by the turn-on timer, the blow operation is not carried out.) 26°C <... -
Page 20: Protective Control Function
4.14 Protective control function (1) Frost prevention for indoor heat exchanger [Preventing frost accumulation on the indoor heat exchanger] During the Cooling or Dry operation in low room air temp. condition, evaporating temperature will decrease and consequently indoor heat exchanger sometimes gets clogged with frost (or ice). In order to prevent this trouble, compressor is stopped by under mentioned condition by indoor heat exchanger sensor (Th ) and timer (built into microcomputer circuit) functions. -
Page 21: Application Data
APPLICATION DATA SAFETY PRECAUTIONS ¡ Please read these “Safety Precautions” first then accurately execute the installation work. ¡ Though the precautionary points indicated herein are divided under two headings, WARNING and CAUTION , those points which are related to the strong possibility of an installation done in error resulting in death or serious injury are listed in the WARNING section. -
Page 22: Selection Of Location For Installation
5.1 Selection of location for installation (1) Indoor unit Where there is no obstructions to the air flow and where the cooled air can be evenly distributed. (b) A solid place where the unit or the wall will not vibrate. A place where there will be enough space for servicing. -
Page 23: Installation Of Indoor Unit
5.2 Installation of indoor unit (1) Installation of installation board (a) Fixing of installation board Look for the inside wall structures (Intersediate support or INSTALLATION SPACE (INDOOR UNIT) (FRONT VIEW) pillar and firaly install the unit after level surface has been checked.) Unit : mm Space for... - Page 24 (3) Preparation of indoor unit Terminal block (a) Mounting of connecting wires 1) Remove the lid. 2) Remove the wiring clamp. 3) Connect the connecting wire securely to the terminal block. Use cable for interconnection wiring to avoid loosening of the wires. Clamp Screw * CENELEC code for cables Required field cables.
- Page 25 (e) Securing the indoor unit to the installation board Indoor unit Installing steps Installation board Latch (2 locations) 1.Hook the upper part of the indoor unit to the installation board. Installation board 2.The unit can be installed Wall simply by gently push- ing in the lower part.
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Page 26: Installation Of Outdoor Unit
5.3 Installation of outdoor unit (1) Make sure that the unit is stable in installation. Fix the unit to stable base. Terminal block (2) Perfrom wiring, making wire terminal numbers conform to ter- minal numbers of indoor unit terminal block. Interconnecting wire Brown For power supply, indoor outdoor... -
Page 27: Installation Of Remote Control Switch
♦ Additional refrigerant charge When refrigerant piping exceeds 7.5m conduct additional refrigerant charge after refrigerant sweeping. 7.5m over 15m:Additional charge amount per meter = 10g/m [Example] How much amount of additional charge for 15m piping? (15 – 7.5)m × 10g/m=75g 75g for additional charge (4) Insulation of connecting portion To cover the connecting portion with insula- (a) Cover the connection portion of the refrigerant piping with the... -
Page 28: Test Run
5.7 Test run (1) Conduct trial run after confirming that there is no gas leaks. (2) When conducting trial run set the remote control thermostat to continuous operation position. However when the power source is cut off or when the unit’s operation switch is turned off or was turned to fan operation position, the unit will not go into operation in order to protect the compressor. -
Page 29: Maintenance Data
MAINTENANCE DATA 6.1 Trouble shooting (1) Trouble shooting to be performed prior to exchanging PCB, (Printed circuit board) [Common to all models] All the models described in this chapter are controlled by a microcomputer. When providing maintenance service to customers it is necessary to understand the function controlled by a microcomputer thoroughly, so as not to mistakenly identify correct opera- tions as mis-operations. - Page 30 (2) Indication of Self Diagnosis (Indoor unit) Connect of Defect Place of defect RUN light is flashing. Abnormality of heat ¡ Disconnection of heat exchanger sensor. exchanger sensor. (1 Time flash.) TIMER light is RUN light is flashing. Abnormality of room ¡...
- Page 31 (4) Trouble Diagnostic Procedures Remove receptacle. Unit malfunctions or Runaway of micro- No change. Replace PCB. Insert it after 3 min. does not stop. computer and operate. Microcomputer rarely Normal operation. mis-starts even during times or power supply or power failure, but, it can sometimes occur during those times.
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Page 32: Servicing
(6) How to make sure of remote control Note (1) How to check the remote control. (a) Press the reset switch of remote control. (b) If the almost normal if entire display of remote control is shown after 1 Remote control Is remote indication. - Page 33 (2) Refrigerant charge Discharge refrigerant entirely from the unit and evacuate the unit. Note: Addition of refrigerant without evacuation is unreasonable, because it will result in low charge or overcharge. Keep the gauge manifold and connect a refrigerant cylinder to the unit. Record the weight of the refrigerant cylinder on the balance.
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Page 34: Parts List
PARTS LIST INDOOR UNIT SRK10CFV-4, SRK13CFV-4 OUTDOOR UNIT SRC10CFV-4, SRC13CFV-4... - Page 35 PAN EL & FAN ASSY 24 15 CRAE0175 - 33 -...
- Page 36 SRK10CFV-4 END ITEM NO. : RWA002F050D Recommendable Purchased Q'ty Part No. Part Name RE.Q Note 100 500 1000 1-6 RKX 102A 001B PANEL ASSY,FRONT 1 RKX 122A 001B PANEL,FRONT 2 RKX 435A 004 PANEL ASSY,AIR IN 3 RKX 437A 001 FILTER,AIR 2 W315×H294.3(t2) 4 RKX 129A 013...
- Page 37 HEAT EXCH . & CON TROL CRAE0176 - 35 -...
- Page 38 SRK10CFV-4 END ITEM NO. : RWA002F050D Recommendable Purchased Q'ty Part No. Part Name RE.Q Note 100 500 1000 1-4 RKX 301A 002A HEAT EXCH ASSY(AIR) 2 RKX 315D 001 HEADER ASSY 3 RKX 129A 016 BRACKET(L) 4 RKX 315A 001 DISTRIBUTOR ASSY 5-7 RKX 321A 001 PIPE ASSY...
- Page 39 PAN EL & FAN ASSY 24 15 CRAE0175 - 37 -...
- Page 40 SRK13CFV-4 END ITEM NO. : RWA002F050F Recommendable Purchased Q'ty Part No. Part Name RE.Q Note 100 500 1000 1-6 RKX 102A 001B PANEL ASSY,FRONT 1 RKX 122A 001B PANEL,FRONT 2 RKX 435A 004 PANEL ASSY,AIR IN 3 RKX 437A 001 FILTER,AIR 2 W315×H294.3(t2) 4 RKX 129A 013...
- Page 41 HEAT EXCH . & CON TROL CRAE0177 - 39 -...
- Page 42 SRK13CFV-4 END ITEM NO. : RWA002F050F Recommendable Purchased Q'ty Part No. Part Name RE.Q Note 100 500 1000 1-8 RKX 301A 008 HEAT EXCH ASSY(AIR) 2 RKX 315D 005 HEADER ASSY 3 RKX 129A 016 BRACKET(L) 4-8 RKX 315A 004 DISTRIBUTOR ASSY 4 RKX 315A 003 DISTRIBUTOR...
- Page 43 PAN EL & FAN ASSY CRBE0233 - 41 -...
- Page 44 SRC10CFV-4 END ITEM NO. : RWC003F056D Recommendable Purchased Q'ty Part No. Part Name RE.Q Note 100 500 1000 1 RCS 122A 500 PANEL ASSY,FRONT 2 RCS 123A 001 PANEL,SIDE(R) 3 RCS 132A 001 PANEL,SERVICE 4 RCS 435A 002A GRILL ASSY,AIR OUT 5 SSA 944B 036 HANDLE 6 SSA 913A 034B SCREW,TAP...
- Page 45 HEAT EXCH . & CON TROL (LIQ .) (G A S) CRBE0234 - 43 -...
- Page 46 SRC10CFV-4 END ITEM NO. : RWC003F056D Recommendable Purchased Q'ty Part No. Part Name RE.Q Note 100 500 1000 1-3 RCS 301A 001B HEAT EXCH ASSY(AIR) 2 RCP 321A 035A PIPE 3 RCS 321A 003A PIPE 4¥5 RCS 304A 002 PIPING ASSY 4 RCS 315B 001 CAPILLARY 5 RCS 315B 002...
- Page 47 PAN EL & FAN ASSY CRBE0239 - 45 -...
- Page 48 SRC13CFV-4 END ITEM NO. : RWC003F056F Recommendable Purchased Q'ty Part No. Part Name RE.Q Note 100 500 1000 1 RCS 122A 500A PANEL ASSY,FRONT 2 RCS 123A 001 PANEL,SIDE(R) 3 RCS 132A 001 PANEL,SERVICE 4 RCS 435A 002A GRILL ASSY,AIR OUT 5 SSA 944B 036 HANDLE 6 SSA 913A 034B SCREW,TAP...
- Page 49 HEAT EXCH . & CON TROL (LIQ .) (G A S) CRBE0235 - 47 -...
- Page 50 SRC13CFV-4 END ITEM NO. : RWC003F056F Recommendable Purchased Q'ty Part No. Part Name RE.Q Note 100 500 1000 1-4 RCS 301A 101 HEAT EXCH ASSY(AIR) 2 RCS 321A 054 PIPE ASSY 3 RCS 321A 053 PIPE 4 RCS 321A 055 PIPE ASSY 5¥6 RCS 304A 005 PIPING ASSY...
- Page 51 ROOM AIR-CONDITIONING TECHNICAL MANUAL & PARTS LIST Manual No. '06·SRK-T·056...