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SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS
TECHNICAL & SERVICE MANUAL
Series PMH
Indoor unit
[Model names]
PMH-P1.6BA
PMH-P2BA
INDOOR UNIT
Ceiling Cassettes
[Service Ref.]
PMH-P1.6BA
PMH-P2BA
FILTER
CHECK MODE
TEST RUN
REMOTE CONTROLLER
R407C
CONTENTS
1.
2. SAFETY PRECAUTION ······································2
3. PART NAMES AND FUNCTIONS·······················4
4. SPECIFICATIONS ···············································7
5. DATA··································································10
6. OUTLINES AND DIMENSIONS ························19
7. WIRING DIAGRAM···············································20
8. REFRIGERANT SYSTEM DIAGRAM ·····················21
9. TROUBLE SHOOTING ·····································21
10. DISASSEMBLY PROCEDURE ·························23
11. PARTS LIST ······················································26
12. OPTIONAL PARTS············································29
2001
No. OC238
Refer to the OCT03 REVISED
EDITION-C as regarding control
relation.
This manual does not cover the
following outdoor units. When
servicing them, please refer to
the service manual No.OC180
REVISED EDITION-A and this
manual in a set.
[Service Ref.]
<OC180 REVISED EDITION-A>
PUH-P1.6VGA
PUH-P1.6YGA
PUH-P2VGA
PUH-P2YGA
···2
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Table of Contents
Related Manuals for Mitsubishi PMH-P1.6BA
Summary of Contents for Mitsubishi PMH-P1.6BA
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Page 1: Table Of Contents
Indoor unit This manual does not cover the following outdoor units. When [Model names] [Service Ref.] servicing them, please refer to PMH-P1.6BA the service manual No.OC180 PMH-P1.6BA REVISED EDITION-A and this PMH-P2BA manual in a set. PMH-P2BA [Service Ref.] <OC180 REVISED EDITION-A>... -
Page 2: Combination Of Indoor And Outdoor Units
COMBINATION OF INDOOR AND OUTDOOR UNITS Outdoor unit PUH-P Indoor unit 1.6VGA 1.6YGA 2VGA 2YGA PMH-P1.6BA — — PMH-P2BA — — SAFETY PRECAUTION Cautions for using with the outdoor unit which adopts R407C refrigerant. · Do not use the existing refrigerant piping. - Page 3 [1] Service tools Use the below service tools as exclusive tools for R407C refrigerant. Tool name Specifications Gauge manifold ·Only for R407C. ·Use the existing fitting SPECIFICATIONS. (UNF7/16) ·Use high-tension side pressure of 3.43MPa·G or over. Charge hose ·Only for R407C. ·Use pressure performance of 5.10MPa·G or over.
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Page 4: Part Names And Functions
PART NAMES AND FUNCTIONS Indoor (Main) Unit PMH-P1.6BA PMH-P2BA Auto Air Swing Vane Guide vane Disperses airflow up and down and adjusts the angle Air flow can be changed to horinzontally by moving the Guide vane to the left or right. -
Page 5: Timer Button
Remote controller Once the controls are set, the same operation mode can be repeated by simply pressing the ON/OFF button. Operation buttons TIME SETTING button AIR SPEED button This sets of switches the TIMER button current time. start time and This sets the fan speed. -
Page 6: Operation Lamp
Display In this display example on the bot- CENTRALLY CLOCK display tom left, a condition where all dis- CONTROLLED display play lamps light is shown for expla- The current time , start time and stop time can be displayed in ten second nation purposes although this differs This indicates when the unit is con- intervals by pressing the time switch... -
Page 7: Specifications
SPECIFICATIONS 4-1. SPECIFICATIONS Service Ref. PMH-P1.6BA Item Cooling Heating Function Btu/h 14,800 16,900 Capacity 4,350 4,950 Total input 1.59 1.64 Service Ref. PMH-P1.6BA Power supply(phase, cycle, voltage) Single, 50Hz, 220 / 230 / 240V Input 0.06 0.06 Running current 0.29 0.29... - Page 8 Service Ref. PMH-P2BA Item Cooling Heating Function Btu/h 18,300 21,200 Capacity 5,350 6,200 Total input 2.31 2.37 Service Ref. PMH-P2BA Power supply(phase, cycle, voltage) Single, 50Hz, 220 / 230 / 240V Input 0.06 0.06 Running current 0.29 0.29 Starting current 0.32 0.32 External finish...
- Page 9 The air capacity should be 20% or less of the air flow SPEC(Hi). 288.5 4-{2.8 Flesh air intake hole Flesh air intake hole (Knock out) (Knock out) Air flow Air capacity taken outside (Hi) PMH-P1.6BA 10.0m /min 2.0m /min PMH-P2BA 11.0m /min 2.2m /min...
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Page 10: Data
DATA 5-1. PERFORMANCE DATA 1) COOLING CAPACITY(1) PMH-P1.6BA Outdoor intake air D.B.(°C) Indoor Indoor Intake air Intake air D.B.(°C) W.B.(°C) SHC(W) P.C. SHC(W) P.C. SHC(W) P.C. 4307 2584 0.60 1.27 4176 2506 0.60 1.34 4046 2427 0.60 1.42 4611 2213 0.48... - Page 11 COOLING CAPACITY(2) PMH-P1.6BA Outdoor intake air D.B.(°C) Indoor Indoor Intake air Intake air D.B.(°C) W.B.(°C) SHC(W) P.C. SHC(W) P.C. SHC(W) P.C. 3872 2323 0.60 1.53 3698 2219 0.60 1.64 3524 2114 0.60 1.77 4176 2004 0.48 1.57 4046 1942 0.48 1.69...
- Page 12 COOLING CAPACITY(3) PMH-P2BA Outdoor intake air D.B.(°C) Indoor Indoor Intake air Intake air D.B.(°C) W.B.(°C) SHC(W) P.C. SHC(W) P.C. SHC(W) P.C. 5297 3019 0.57 1.85 5136 2928 0.57 1.95 4976 2836 0.57 2.07 5671 2552 0.45 1.88 5511 2480 0.45 1.99 5323 2395...
- Page 13 COOLING CAPACITY(4) PMH-P2BA Outdoor intake air D.B.(°C) Indoor Indoor Intake air Intake air D.B.(°C) W.B.(°C) SHC(W) P.C. SHC(W) P.C. SHC(W) P.C. 4762 2714 0.57 2.22 4548 2592 0.57 2.38 4334 2470 0.57 2.58 5136 2311 0.45 2.28 4976 2239 0.45 2.45 4655 2095...
- Page 14 Service Ref. D.B.(°C) P.C. P.C. P.C. P.C. P.C. P.C. 3143 0.97 3416 1.07 3812 1.23 5000 1.48 5643 1.64 6287 1.77 PMH-P1.6BA 3020 1.05 3267 1.15 3614 1.33 4826 1.59 5445 1.77 6064 1.90 2921 1.12 3168 1.25 3465 1.44 4554 1.69...
- Page 15 5-2. PERFORMANCE CURVE Cooling performance curve(50Hz) Heating performance curve(50Hz) Correcting the capacity line influenced by frosting Not correcting the capactiy line influenced by frosting INDOOR D.B.(°C) INDOOR W.B.(°C) INDOOR INDOOR W.B.(°C) D.B.(°C) -12 -10 OUTDOOR W.B.(°C) OUTDOOR D.B.(°C)
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Page 16: Electrical Data
5-3. ELECTRICAL DATA Indoor unit … 220V 50Hz 1phase Outdoor unit … 220V/380V 50Hz 1/3phase Indoor unit PMH-P1.6BA PMH-P2BA Service Ref. PUH-P1.6VGA PUH-P1.6YGA PUH-P2VGA PUH-P2YGA Outdoor unit Mode Cool Heat Cool Heat Cool Heat Cool Heat Capacity (W) 4,300 4,900... -
Page 17: Standard Operation Data
5-4. STANDARD OPERATION DATA Service Ref. PMH-P1.6BA PMH-P2BA Mode Cooling Heating Cooling Heating Capacity 4,350 4,950 5,350 6,200 Input 1.59 1.64 2.31 2.37 Indoor unit Service Ref. PMH-P1.6BA PMH-P2BA Phase, Hz 1, 50 1, 50 Volts Amperes 0.29 0.29 0.29 0.29... -
Page 18: Noise Criterion Curves
5-6. NOISE CRITERION CURVES PMH-P1.6BA PMH-P2BA SPL(dB) LINE SPL(dB) LINE NOTCH NOTCH NC-70 NC-70 NC-60 NC-60 NC-50 NC-50 NC-40 NC-40 NC-30 NC-30 APPROXIMATE APPROXIMATE THRESHOLD OF THRESHOLD OF HEARING FOR HEARING FOR NC-20 NC-20 CONTINUOUS CONTINUOUS NOISE NOISE 1000 2000... -
Page 19: Outlines And Dimensions
1000 outer side of grille PMH-P1.6/2BA 960 seiling opening pipe cover O.D.{35 Refrigerant 74.5 811 suspension bolt pitch 74.5 Liquid pipe O.D.{9.52(3/8") piping Gas pipe O.D.{15.88(5/8") Drainage piping PVC pipe:VP-20[O.D.{25(1")] Details of fresh air intake hole 4-{2.8 Burring hole outer line of grille Air outlet(lower) Refrigerant pipe(gas) center of unit... -
Page 20: Wiring Diagram
WIRING DIAGRAM PMH-P1.6BA, PMH-P2BA [LEGEND] SYMBOL NAME NOTES: 1.Since the outdoor side electric wiring may change be sure to check INDOOR CONTROLLER BOARD the outdoor unit electric wiring for servicing. CN2L CONNECTOR (LOSSNAY) CN32 CONNECTOR (REMOTE SWITCH) 2.Indoor and outdoor connecting wires are made with polarities, make... -
Page 21: Refrigerant System Diagram
Ball valve 9.52 ([3/8"):PMH-P1.6/2BA (with service port) Linear expansion valve (with heat insulator) TROUBLE SHOOTING How to check the parts PMH-P1.6BA, PMH-P2BA Parts name Check points Room temperature Disconnect the connector then measure the resistance using a tester. thermistor (TH1) - Page 22 <Thermistor Characteristic graph> Room temperature thermistor(TH1) Thermistor for < Thermistor for lower temperature > Pipe temperature thermistor(TH2) lower temperature Condenser/evaporator temperature thermistor(TH5) Thermistor R =15k' ± 3% Fixed number of B=3480k' ± 2% Rt=15exp { 3480( 273+t 15k' 9.6k' 6.3k' 5.2k' 4.3k' 3.0k'...
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Page 23: Disassembly Procedure
DISASSEMBLY PROCEDURE Be careful on removing heavy parts. PMH-P1.6BA OPERATING PROCEDURE PHOTOS&ILLUSTRATIONS Photo 1 1. Removing the intake grille Opening the air intake grille (1) Press the of the air intake grille.(See figure 1) PUSH (2) Put your figure on the both end of nut of the air intake grille and put it down after the grille clicked. - Page 24 OPERATING PROCEDURE PHOTOS&ILLUSTRATIONS Photo 2 2. Removing the electrical parts box Claw in middle Stabilizer Electrical parts of stabilizer (1) Remove the panel. (2) Remove the cover. (3) Remove the electrical parts cover. (4) Disconnect the connectors of fan motor, vane motor, drain pump, room temperature thermistor, pipe temperature thermistor, condenser/evaporator temperature thermistor and drain sensor on the electrical controller board.
- Page 25 OPERATING PROCEDURE PHOTOS&ILLUSTRATIONS Photo 6 Drain sensor Heat exchanger 5. Removing the drain pump (1) Remove the panel. (2) Unhook the claw in the middle of stabilizer and remove the drain pan. (3) Remove the cover. (4) Remove the electrical parts cover. (5) Disconnect the connector of drain pump.
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Page 26: Parts List
PARTS LIST PANEL PARTS PMH-P1.6BA PMH-P2BA Q'ty/set Price Wiring Recom- Remarks Diagram mended Part No. Part Name Specification PMH-P (Drawing No.) Unit Amount Symbol Q'ty 1.6/2BA AIR OUTLET GRILLE T7W E11 003 LATCH R01 E00 055 HANGER (DT88D360H03) — PANEL HOOK... - Page 27 FUNCTIONAL PARTS PMH-P1.6BA PMH-P2BA SLEEVE BEARING VANE MOTOR VANE SLEEVE CONDENSER / EVAPORATOR TEMPERATURE THERMISTOR PIPE TEMPERATURE THERMISTOR / LIQUID ROOM TEMPERATURE THERMISTOR Part number that is circled is not shown in the figure. Q'ty/set Price Wiring Recom- Remarks Diagram mended Part No.
- Page 28 ELECTRIC PARTS PMH-P1.6BA PMH-P2BA Q'ty/set Price Wiring Recom- Remarks Diagram mended Part No. Part Name Specification PMH-P (Drawing No.) Unit Amount Symbol Q'ty 1.6/2BA CONTROL BOX (RG02B337G08) — TERMINAL BLOCK T7W E01 716 3P (S1, S2, S3) TERMINAL BLOCK 2P (1, 2)
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Page 29: Optional Parts
OPTIONAL PARTS 12-1. TIMER Part No. PAC-SC32PTA (with set back function) Model Name Program timer 12-1-1. Program timer specifications Part name Program timer Parts No. PAC-SC32PTA Exterior dimensions (inch) 5-4/32 4-23/32 23/32 (130 120 18mm) Installation Wall mount Type of clock Quartz Clock accuracy 50 second / month at 25:... - Page 30 12-1-3. How to connect program timer (1) Install the program timer next to the remote controller the same way as the remote controller is installed. (2) Connect the program timer and the remote controller with a 6-wire cable as shown in the figure below Connect to indoor unit NOTE:While the program timer is connected to the remote controller, the with 2-wire cable.
- Page 31 12-2. Remote Sensor Part No. PAC-SE41TS-E Applied Service Ref. PMH-P1.6/2BA 12-3. Remote Operation Adapter Part No. PAC-SF40RM-E Applied Service Ref. PMH-P1.6/2BA 12-4. Remote ON/OFF Adapter Part No. PAC-SE55RA-E Applied Service Ref. PMH-P1.6/2BA...
- Page 32 HEAD OFFICE : MITSUBISHI DENKI BLDG., 2-2-3, MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310, JAPAN cCopyright 2000 MITSUBISHI ELECTRIC ENGINEERING CO., LTD. Issued in Dec. 2000 NO. OC238 225 New publication, effective Dec. 2000 Made in Japan Specifications subject to change without notice...