Mitsubishi 20-MYA- Manuals

FEATURES High sensible cooling capacity The sensible cooling capacity has been significantly improved through balanced optimised heat exchanger design. Highly Efficient operation The EER(Energy Efficiency Ratio) on these modelsis greatly improved by revised design specifications and by being manufac...

TYPICAL INSTALLATION EXAMPLE Series symbolSelf-contained type(rooftop type) Series symbolglobal type Heat pump type Series symbolY=3-phase 380V,400V,415V,50Hz,4 wires Design sequence Compressor horse power 8=8HP 10=10HP 15=15HP 20=20HP Design sequence Service reference MODEL-DESIGNATION BREAKDOWN PR...

SPECIFICATIONS Model name Service reference Power supply PRHG-8MYA PRHG-10MYA PRHG-15MYA PRHG-20MYA PRHG-8MYA-EU PRHG-10MYA-EU PRHG-15MYA-EU PRHG-20MYA-EU 23.8 29.7 3N~ 380~415V 50Hz 46.3 60.8 Total cooling capacity Btu/h 81,300 101,400 158,000 207,500 (Gross) kcal/h 20,500 25,600 39,900 52,300 kW k...

ELECTRICAL DATA VOLT TOTAL INPUT TOTAL RUN CURRENT POWER FACTOR START CURRENT COMPRESSOR INPUT RUN CURRENT O/D FAN INPUT RUN CURRENT I/D FAN External static pressure INPUT RUN CURRENT TOTAL INPUT TOTAL RUN CURRENT POWER FACTOR START CURRENT COMPRESSOR INPUT RUN CURRENT O/D FAN INPUT RUN CURRENT I/D ...

1. Model Selection (With actual examples) First step, to select the approximate model: Based on the cooling load and the cooling capacity listed in the capacity table, select the applicable model. Notes: *1. The correct WB is required since it has a serious effect on the capacity. *2. The cooling ca...

At 26˚CDB, 19˚CWB of Indoor, Q = 28.3, SHC = 19.7, W = 9.6 Therefore, when Air flow is 110 (CMM) Q = 28.3 ✕ 1.012 28.6 (kW) SHC = 19.7 W = 9.6 Note * : crrection factors of air flow (Step-3) Calculation of net capacity Example: PRHG-10, 50Hz cooling Condition: Indoor conditioned temp. : 26˚CDB, 19˚C...

SHC kW 13.1 10.2 7.7 18.6 15.3 12.5 9.8 7.4 20.2 16.9 14.5 12.1 9.5 7.2 19.5 16.9 13.7 11.6 9.0 7.1 21.8 18.7 16.4 13.5 11.3 9.0 23.3 20.9 18.1 15.4 13.3 SHF 0.57 0.44 0.32 0.82 0.65 0.52 0.39 0.29 0.86 0.70 0.58 0.47 0.36 0.26 0.78 0.66 0.52 0.42 0.32 0.24 0.85 0.71 0.60 0.48 0.39 0.30 0.88 0.76 0....

fan speedIndoor fan inputfan speedIndoor fan inputfan speedIndoor fan input 200 CMM L/S rpm kW rpm kW rpm kW 300 400 Total SP (Pa) PRHG8 Indoor fan input 80 1330 967 1.20 1139 1.80 1305 2.42 85 14201036 1.27 1139 1.80 1329 2.56 90 15001036 1.27 1208 2.02 1329 2.56 95 15801036 1.27 1208 2.02 – fan sp...

-18- OPERATION RANGE Caution: The use of your air conditioneroutside the range of workingtemperature and humidity canresult in serious failure. The range of working temperatures is as below.Make sure which unit you are using and confirm the range of application. (Note) As an applicable humidity outs...

-19- FAN PERFORMANCE internal static pressure Air flow 1330 80 85 90 95 1500 (CMM) (L/S) 200 100 300 400 500 600 T o tal static pressure (P a) Fan speed <rpm> 900 800 1000 1100 1200 1300 1400 1500 1.5kw 1.1kw PRHG-8MYA PRHG-10MYA internal static pressure Air flow 1500 90 95 100 105 1670 (CMM) ...

-20- internal static pressure 200 400 T otal static pressure (P a) 600 800 1000 Fan speed <rpm> 600 700 800 900 1000 1100 1200 1300 Air flow 120 (CMM) 140 160 180 3.7kw 2.2kw 0 3.7kw 5.5kw internal static pressure 200 400 T otal static pressure (P a) 600 800 1000 0 Fan speed <rpm> 600 70...

-23- (1) Shape of belt groove (2) Shape of motor pulley boss (Unit : mm) e a r 1 r 3 f w L 0 r 2 r 2 K K 0 ø P.C 16.5mm B type 11.0mm 40˚ Sectional plan of V-belt Shape of V-belt Nominal Dia. øP.C a (˚) L 0 W K K 0 e f r 1 r 2 r 3 V-belt thickness (Reference) B Over 125 Under 160 Over 160 Under 200 ...

-24- NC CURVES 10 20 30 40 50 60 70 80 90 63Hz 125Hz 250Hz 500Hz 1000Hz 2000Hz 4000Hz 8000Hz Octave-band frequency [Hz] Octave-band level dB(0dB=20 Pa) Condition Cooling & Heating Cooling & Heating Cooling & Heating 63Hz 125Hz 250Hz 500Hz 1000Hz 2000Hz 4000Hz 8000Hz SPLdB(A) 71.5 73.0 65...

-26- APPROXIMATION FOR SOUND POWER LEVEL AT SUPPLY DUCT FLANGE OF UNIT Model Airvolume<CMM> O / A 125Hz 250Hz Externalstaticpressure<Pa> PRHG-8MYA PRHG-10MYA PRHG-15MYA PRHG-20MYA 80 100 160 190 100 100 200 200 74.3 76.9 79.8 83.0 77.2 79.5 82.3 85.0 74.5 76.9 79.8 82.6 500Hz 71.4 73.8 7...

-27- OUTLINE DIMENSIONS 1020 10 60 150 150 150 150 150 60 150 36 170 36 170 10 49 1020 60 60 150 150 150 150 150 150 10 49 10 15 15 100 100 Supply air duct flange (1342) 25 1342 25 25 15 25 265 1000 265 A 46 1300 1392 46 107 1020 173 1300 51 51 50 31 230 192 412 135 1000 CondenserAir inlet Return ai...

-29- WIRING DIAGRAMS PRHG-8, 10MYA(STANDARD) WHITE RED L1 L1( ) GRAY 3 Power Supply 380~415VAC 3N~PE 50Hz 3 C03 B Fig 1.Control box Arrangement SV 21S4 63H MF2 MF1 MC &49C CH Q V U T S R P K G F E & & H L M N 3J 2J 1J 2D 1D 2C 3C 1C GRAY 5 GRAY 4 6 GRAY 1 BLUE BROWN BROWN 25 26 27 24 BRO...

-33- ELECTRICAL OPERATION FLOW CHARTS PRHG-8, 10MYA START POWER ON CH ON FZ ON 30FZ, 30CZ ON (SELF HOLD) LCD controller cooling ON ? LCD controller COMP 1 ON ? CZ ON CH ON CH OFF 30CZ OFF 52F ONMF1 OPERATE 52C ONMC OPERATEMF2 OPERATE 52C OFFMC STOPMF2 STOP SAFETY DEVICE OFF ? (51F2, 49F, 49C, 63H, 5...

-35- REFRIGERANT CYCLE SCHEMATIC PRHG-8, 10, 15, 20MYA Note: 1.PRHG-15,20MYA is comprised of two refrigerant cycles. Solenoidvalve Strainer(ONLY PRHG-8MYA) Capillary Tube (Heating) ONLYPRHG-8,10MYA Checkvalve Accumulator Muffler Strainer Strainer 4-Wayvalve Highpressureswitch(defrost)(ONLY PRHG-15,2...

-37- INSTALLATION 1. Space required around units 300mm(min. clearance) Condenser inlet 700mm(min. clearance) Electrical control circuit and compressor service Condenser inlet 300mm(min. clearance) 1,000mm(min. clearance) Evaporator coil, air filter service Condenser inlet Condenser inlet300mm(min. c...

-38- 3. Duct construction 4. Lifting method Hook (as directly alignedover the center of gravityas possible. 6. Refrigerant charge 4.7 PRHG-8 Refrigerantcharge per circuit(kg) 5.6 PRHG-10 PRHG-15 PRHG-20 2 × 4.7 2 × 5.6 5. Drain piping The drain piping should have a drain trap. A 70mm B 2C C 2XE. S. ...

-39- 7. Modification method of fan direction (From side flow to down flow) STEP 1 STEP 3 STEP 2 STEP 4 Removetop panel Removeservice panel Removeduct flange Removeduct flange Remove Removelow cover Removesupply air cover 2.Additional casing leg(Accessory parts) 1.Additional side inlet cover(Accessor...

-42- a. b. c. d. e. Power supply Main switch/fuse (field supply) Power supply wiring for unit unit LCD remote controller (PAC-204RC) f. Connection wiring for unit /remote controller Earth a b c g PE d PRHG-8 ~ 20Y g. e f In case of PRHG-15, 20Y (2) Electrical wiring Remove the panel on the right sid...

-43- NV is a product of MITSUBISHI ELECTRIC.Table above is an example. The selection of other capacities should be determined in accordance with the relevant standards. Fuse (class B) Earth leakage breaker(with over-load protection) PRHG - 8MYA 50A NV50-CP 30mA 0.1s or less PRHG - 10MYA 50A PRHG - 1...

-44- INSTRUCTIONS FOR USE 1. Check points for operation Check the following points before you operate your air conditioner. (1) Check that there is nothing blocking the flow of air from the air outlet into the air inlet. (2) Make sure the air conditioner is properly grounded by checking the ground t...

-45- 2. Caution for use Keep the following points in mind to safeguard against failures and break downs. 3. Maintenance Fingermarks Grease NeutralCleanser Adhesive Paste Isopropylalcohol Heat exchanger 4. The eliminator is installed as before. NeutralCleanser Shadedlocation Pull out the eliminator R...

-46- 3.5 When the air conditioner is not to be used for long time If the air conditioner is not to be used for a long time due to a seasonal change, etc.,Please do the following work. 1. The power supply switch is turned off. If the power supply is kept on, several watts or several tends of watts wi...

-49- 2 B 3 D F 2. Selecting operation Operation mode display 3. Room temperature adjustment Set temperature display and room temperature display To change room temperature Press the [SET TEMP] button and set the room temperature of your choice.Press or button once changes the setting by 1˚C.If the p...

-50- 5 5 10 4 7 6 A J Current time display Timer Hold/Resume display 7 11 5. Other function 4. Time setting 8 5 9 1 H Key lock Press the [MINUTE] button three times consecutively, the word “KEY LOCK” will displayed .At this time, only [ON-OFF] button is valid.This function purpose is protect from mi...

-52- 1. Outline This fan controller apply to following units. These units can be operated on cooling mode at the low ambient temperature with this optional FAN CONTROLLER.Please read carefully this manual and install following this. Model name Q'TY 1 set 2 set 3. Parts There are the following parts ...

-55- 5. Before starting the trial run Please execute the following confirmations to prevent wrong connection. If there is wrong connection, it may damage fan controller, but also damage the unit. Confirmation Please intercept the power supply without fail, and secure safety when you execute detachin...

-56- 6. Troubleshooting (PAC-205FC) State of Machine Cause Chec k point 1. The fun does not r un. Content of confir mation 3) The tr ansf or mer (T01) is def ectiv e . 4 ) The th yr istor module (SCRM) is def ectiv e . 5) The control pr inting wir ing board is def ectiv e . 6) The f an motor and uni...

DATA BOOK PRHG Issuued in Nov. 2002 MEE01K069-APrinted in Japan. New publication effective Nov. 2002. Specifications subject to change without notice.