- Inadequate strength may cause the unit to fall down, resulting in is shorted and operated forcibly, or parts other than those specified injuries. by Mitsubishi Electric are used, fire or explosion may result. • Use the specified cables for wiring. Make the connections se- curely so that the outside force of the cable is not applied to the •...
Precautions for devices that use Warning: • Note the following when building a heater in the air R410A refrigerant conditioning system. - Leave enough space between units for proper ventilation so that Caution: the indoor unit temperature does not exceed 40˚C when •...
PART NAMES AND FUNCTIONS G Indoor (Main) Unit Air outlet Air inlet G Remote controller [PAR-21MAA] Once the controls are set, the same operation mode can be repeated by simply pressing the ON/OFF button. [Operation buttons] TEMP. ON/OFF MENU ON/OFF FILTER BACK MONITOR/SET...
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[Display] CENTRALLY CONTROLLED 1Hr. ON OFF CLOCK CHECK FILTER CHECK MODE TEST RUN STAND BY ERROR CODE FUNCTION NOT AVAILABLE DEFROST TEMP. ON/OFF A Current time/Timer B Centralized control C Timer OFF D Timer indicator E Operation mode: COOL, DRY, AUTO, FAN, HEAT...
TROUBLE SHOOTING 7-1. How to check the parts Parts name Check points Liquid pipe thermistor Disconnect the connector, then measure the resistance using a tester. (TH22) (Sorrounding temperature 10°C~30°C[50°F~86°F]) Gas pipe thermistor (TH23) Normal Abnormal Outdoor air temperature (Refer to the thermistor characteristic graph) Ω...
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7-2. Setting of address switch Make sure that power source is turning off. Indoor unit control board S W 4 < At delivery (All models)> SW 1 S W 4 < At delivery (All models)> 1 2 3 4 5 6 7 8 9 10 0 1 2 3 4 5 6 7 8 9 9 10...
DISASSEMBLY PROCEDURE Be careful on removing heavy parts. 8-1. CONTROL BOX OPERATING PROCEDURE PHOTOS · Models 30 1.Removing the control box cover Fig.1 (1) Remove the fixing screws (two) of the control box (A), and remove the cover. (Fig. 1) *At this stage, the following servicing is possible.
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Be careful on removing heavy parts. OPERATING PROCEDURE PHOTOS · Models 72 Fig.4 1.Removing the control box cover (1) Remove the fixing screws (four) of the control box cover (C), and remove the cover. (Fig. 4) *At this stage, the following servicing is possible.(Fig. 5) 1 Operation and check of the switches (listed below) which are on the control board.
Be careful on removing heavy parts. 8-2. FAN and FAN MOTOR OPERATING PROCEDURE PHOTOS · Models 30 Fig.1 1.Removing the control box. (1) Remove the control box cover and terminal block cover with procedure 8-1. (2) Remove the fan motor connectors. (3) Remove the fixing screws (two) of the control box and slide the control box to remove.(Fig.
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Be careful on removing heavy parts. OPERATING PROCEDURE PHOTOS (4) Slide the motor (A) with motor base (D) in direction of allow Fig.5 1 . (Fig. 5) Arrow 1 Fig.6 Motor (A) Model 54 *Motor maintenance procedure is almost 30 model procedure.
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Be careful on removing heavy parts. OPERATING PROCEDURE PHOTOS · Models 72 Control box Fig.7 1.Removing the control box. cover 2 (1) Remove the control box cover1 with procedure 8-1. (2) Remove the fixing screws (four) of the control cover 2, and remove the control cover2.
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Be careful on removing heavy parts. OPERATING PROCEDURE PHOTOS (3) After removing the fixing screws (H) (as shown models Fig.11 30, 54) of the front fan case (B) and remove the fan. Pull the fan case (B). (4) Remove the fixing screws (K) (three) of the bell mouse (J) attached fan case (L), and remove the bell mouse (J).
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Be careful on removing heavy parts. 8-3. LEV,THERMISTOR (Liquid/Gas piping temperature detection) OPERATING PROCEDURE PHOTOS Models 30 • Fig.1 1.Removing the LEV. (1) Remove the control box cover with procedure 8-1. (2) Remove the fixing screws (four) of the heat exchanger cover (A), and remove the cover (A).(Fig.
Be careful on removing heavy parts. 8-4. HEAT EXCHANGER OPERATING PROCEDURE PHOTOS Models 30 ¥ Fig.1 1.Removing the heat exchanger. Bottom plate (1) Remove the heat exchanger cover with procedure 8-3-1. (2) Remove the bottom plate which is air outlet side.(fixing screws : ten) (Fig.
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Be careful on removing heavy parts. OPERATING PROCEDURE PHOTOS (4) Remove the maintenance cover.(fixing screws : two) (Fig. 4) Fig.4 (5) Remove the heat exchanger.(fixing screws : four) (Fig. 3,5) *Removerd heat exchanger is as shown Fig .6 Maintenance cover Fixing screws Fig.5 Fixing screws...
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Be careful on removing heavy parts. OPERATING PROCEDURE PHOTOS · Models 72 Fig.7 1.Removing the heat exchanger. Bottom plate (1) Remove the refrigerant piping and drain hose from main unit.(Be care that water is not leaking from drain hose. ) (2) Remove the power supply wire and the transmission line.
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Be careful on removing heavy parts. OPERATING PROCEDURE PHOTOS (7) Remove the fixing screws (three) of the heat exchanger Fig.10 cover, and remove the cover. Remove the fixing screws (four) of the maintenance cover, and remove the cover. (Fig. Fixing screws (7) Remove the heat exchanger.
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8-5. CONTROL BOX INSIDE LAYOUT Models 30·54 Trans Condenser (for motor) Indoor unit FAN2 CN3T STR2012 FAN3 contoller board DSA board CN52 CN60 CN81 CN27 CN82 CN62 SW14 SW12 SW11 Transmission terminal block Power sourse Address board terminal block Models 72·96 Magnet contactor Trans FAN2...
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8-6. SENSOR POSITION GPEFY-P30NMHU-E-F GPEFY-P54NMHU-E-F Liquid sensor Gas sensor Liquid sensor Gas sensor GPEFY-P72NMHU-E-F GPEFY-P96NMHU-E-F Liquid sensor Gas sensor Gas sensor Liquid sensor...
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Issued in Aug. 2005 HWE05130 New publication, effective Aug. 2005 Specifications subject to change without notice...
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3400 Lawrenceville Suwanee Road Suwanee, Georgia 30024 ● Toll Free: 800-433-4822 Toll Free Fax: 800-889-9904 ● www.mrslim.com Specifications are subject to change without notice.