Page 2 - Specifications subject to change without notice.; CONTENTS; PAGE NUMBER
Specifications subject to change without notice. CONTENTS PAGE NUMBER SAFETY FOR USE FEATURES TYPICAL INSTALLATION EXAMPLE MODEL-DESIGNATION BREAKDOWN SPECIFICATIONS ELECTRICAL DATA SELECTION PROCEDURE CAPACITY TABLES OPERATION RANGE FAN PERFORMANCE NC CURVES APPROXIMATION FOR SOUND POWER LEVEL AT S...
Page 3 - fire may result. If you need to have the unit; for; correct installation.; observe them without fail.; movement of the unit.; If the unit is loosely mounted, it may fall, and cause injury.; death or heavy injury.; Warning; SAFETY FOR USE
fire may result. If you need to have the unit Ask your dealer or specialized subcontractor for installation. For installation, conduct the work correctly byfollowing the Installation Manual. Install the unit on a spot sufficiently durable againstthe unit weight. All electric work must be performed b...
Page 4 - Caution
Caution The poor mounting of the panel or terminal cover maycause the heat generation of the terminal connection,a fire or electrical shock. Otherwise electric shock can be resulted. The unit should not be carried by only one person if it is more than 20kg. It occasionally causes the damage of the u...
Page 5 - FEATURES; Global Remote Controller
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...
Page 6 - TYPICAL INSTALLATION EXAMPLE; Heat pump type; MODEL-DESIGNATION BREAKDOWN; P R H G 1 0 M Y A E U
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...
Page 7 - SPECIFICATIONS
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...
Page 8 - ELECTRICAL DATA
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 ...
Page 9 - First step, to select the approximate model:; SELECTION PROCEDURE
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...
Page 10 - Efficiency Calculation
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...
Page 11 - CAPACITY TABLES
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....
Page 19 - Indoor fan input
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...
Page 20 - OPERATION RANGE
-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...
Page 21 - FAN PERFORMANCE
-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) ...
Page 22 - otal static pressure (P
-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...
Page 25 - Sectional plan of V-belt
-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 ...
Page 26 - NC CURVES
-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...
Page 28 - APPROXIMATION FOR SOUND POWER LEVEL AT SUPPLY DUCT FLANGE OF UNIT; Model
-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...
Page 29 - OUTLINE DIMENSIONS
-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...
Page 31 - WIRING DIAGRAMS
-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...
Page 35 - ELECTRICAL OPERATION FLOW CHARTS
-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...
Page 37 - REFRIGERANT CYCLE SCHEMATIC
-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...
Page 39 - INSTALLATION; Space required around units; Installation of the unit
-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...
Page 40 - Refrigerant charge
-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. ...
Page 41 - Modification method of fan direction (From side flow to down flow); piece
-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...
Page 44 - Method for connecting electric wire
-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...
Page 45 - Readjust the belt every 2,000 hours after the first adjustment.
-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...
Page 46 - INSTRUCTIONS FOR USE; Check points for operation; Ground; Indoor Side
-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...
Page 47 - The eliminator is installed as before.; It will reduce the unit’s efficiency.; Cleaning of panel; Please do not dry it to direct sunshine and a direct fire.
-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...
Page 48 - Please do not use the unit in the following places.; (6) The breaker and the fuse must use the one of correct capacity.
-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...
Page 51 - Selecting operation; Indoor temperature setting range : 17 ~ 30 ̊C
-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...
Page 52 - During set clock mode or set timer mode, press the
-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...
Page 54 - This fan controller apply to following units.; Fan controller changes the outdoor fan speed.
-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 ...
Page 57 - Before starting the trial run; Confirmation; Fan controller layout
-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...
Page 58 - and the measurement machine to the following work.
-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...
Page 62 - DATA BOOK PRHG
DATA BOOK PRHG Issuued in Nov. 2002 MEE01K069-APrinted in Japan. New publication effective Nov. 2002. Specifications subject to change without notice.
