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OC341B--1.qxp 07.7.11 1:29 PM Page 1
SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS
July 2007
No. OC341
REVISED EDITION-B
TECHNICAL & SERVICE MANUAL
R410A / R22
Indoor unit
Revision:
[Model names] [Service Ref.]
• PMFY-P06/08/12/15NBMU-E1 are
added in REVISED EDITION-B.
PMFY-P06NBMU-E PMFY-P06NBMU-E
• Some descriptions have been
modified.
PMFY-P06NBMU-E1
• Please void OC341 REVISED
PMFY-P08NBMU-E PMFY-P08NBMU-E
EDITION-A.
PMFY-P08NBMU-E1
NOTE:
PMFY-P12NBMU-E PMFY-P12NBMU-E • This manual describes onl
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OC341B--1.qxp 07.7.11 1:29 PM Page 2 1 TECHNICAL CHANGES PMFY-P06NBMU-E PMFY-P06NBMU-E1 PMFY-P08NBMU-E PMFY-P08NBMU-E1 PMFY-P12NBMU-E PMFY-P12NBMU-E1 PMFY-P15NBMU-E PMFY-P15NBMU-E1 1. FAN MOTOR(MF) has been changed. 2. CONTROLLER BOARD(I.B) has been changed. 2 FEATURES Indoor Unit Models Cooling capacity / Heating capacity PMFY-P06NBMU-E 6,000 / 6,700 Btu/h PMFY-P08NBMU-E 8,000 / 9,000 Btu/h PMFY-P12NBMU-E 12,000 / 13,500 Btu/h PMFY-P15NBMU-E 15,000 / 17,000 Btu/h 1. Fresh Air Intake
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OC341B--1.qxp 07.7.11 1:29 PM Page 3 3 PART NAMES AND FUNCTIONS l Indoor Unit Auto Air Swing Vane Disperses airflow up and Guide vane down and adjusts the angle Air flow can be changed to horizontal of airflow direction. by moving the guide vane to the left or right. Horizontal Air Outlet Filters Air intake Remove dust and pollutants Returns air from room. from return air. l Wired remote controller Once the controllers are set, the same operation mode can be repeated by simply pressing the O
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OC341B--1.qxp 07.7.11 1:29 PM Page 4 l Wired remote controller Display Section Day-of-Week “Sensor” indication For purposes of this explanation, all parts of the display are shown Shows the current day of the week. Displayed when the remote controller as lit. During actual operation, only sensor is used. the relevant items will be lit. Time/Timer Display Shows the current time, unless the simple or Auto Off “Locked” indicator timer is set. Indicates that remote controller but- If the simple or
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OC341B--1.qxp 07.7.11 1:29 PM Page 5 4 SPECIFICATION 4-1. SPECIFICATIONS PMFY-P06NBMU-E PMFY-P08NBMU-E PMFY-P12NBMU-E PMFY-P15NBMU-E Item PMFY-P06NBMU-E1 PMFY-P08NBMU-E1 PMFY-P12NBMU-E1 PMFY-P15NBMU-E1 Power V·Hz Single phase 208-230V 60Hz Cooling capacity 6,000 8,000 12,000 15,000 Btu/h Heating capacity 6,700 9,000 13,500 17,000 Btu/h Cooling 0.042 0.042 0.044 0.054 kW Input Heating 0.042 0.042 0.044 0.054 kW Cooling 0.20 0.20 0.21 0.26 A Current Heating 0.20 0.20 0.21 0.26 A Exterior Unit :
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OC341B--1.qxp 07.7.11 1:29 PM Page 6 4-2. ELECTRICAL PARTS SPECIFICATIONS Service Ref. PMFY-P06NBMU-E PMFY-P08NBMU-E PMFY-P12NBMU-E PMFY-P15NBMU-E Symbol PMFY-P06NBMU-E1 PMFY-P08NBMU-E1 PMFY-P12NBMU-E1 PMFY-P15NBMU-E1 Parts name Room temperature TH21 Resistance 30˚F/15.8k", 50˚F/9.6k", 70˚F/6.0k", 80˚F/4.8k", 90˚F/3.9k", 100˚F/3.2k" thermistor Liquid pipe thermistor TH22 Resistance 30˚F/15.8k", 50˚F/9.6k", 70˚F/6.0k", 80˚F/4.8k", 90˚F/3.9k", 100˚F/3.2k" Gas pipe thermistor Resistance 30˚F/15.
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{4-13/16 OC341B--1.qxp 07.7.11 1:29 PM Page 7 4-3. AIR CAPACITY TAKEN FROM OUTSIDE PMFY-P·NBMU-E series are capable of taking air from outside. When taking air from outside, the duct fan is used. The air capacity should be 20% or less of the airflow SPEC(Hi). 9-13/16 11-3/8 90- 4-{1/8 Fresh air intake hole Fresh air intake hole (Unit:inch) (Knockout) (Knockout) Service Ref. Air flow (Hi) Air capacity taken from outside PMFY-P06NBMU-E 300 CFM 60 CFM PMFY-P06NBMU-E1 PMFY-P08NBMU-E 320 CFM 64 C
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OC341B--1.qxp 07.7.11 1:29 PM Page 8 4-4. NOISE CRITERION CURVES NOTCH SPL(dB) LINE NOTCH SPL(dB) LINE PMFY-P06NBMU-E PMFY-P08NBMU-E High 35 High 37 PMFY-P06NBMU-E1 PMFY-P12NBMU-E Medium1 33 Medium1 36 Medium2 30 Medium2 34 PMFY-P08NBMU-E1 Low 27 Low 32 PMFY-P12NBMU-E1 90 90 80 80 70 70 NC-70 NC-70 60 60 NC-60 NC-60 50 50 NC-50 NC-50 40 40 NC-40 NC-40 30 30 NC-30 NC-30 APPROXIMATE 20 20 THRESHOLD OF HEARING FOR NC-20 NC-20 CONTINUOUS APPROXIMATE THRESHOLD OF HEARING NOISE FOR CONTINUOUS NOISE
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OC341B--1.qxp 07.7.11 1:29 PM Page 9 5 OUTLINES AND DIMENSIONS Unit : in. (mm) PMFY-P06NBMU-E PMFY-P06NBMU-E1 PMFY-P08NBMU-E PMFY-P08NBMU-E1 PMFY-P12NBMU-E PMFY-P12NBMU-E1 PMFY-P15NBMU-E PMFY-P15NBMU-E1 9 {4-13/6(122) 39-3/8(1000) outer side of grille Pipe cover O.D.{1-11/16({43) Top 13/16(20) 37-13-16(960) ceiling opening 13/16(20) Refrigerant Liquid pipe O.D.{1/4"({6.35) 2-15/18(74.5) 31-15/18(811) suspension bolt pitch 2-15/18(74.5) piping 1-1/32(26) Gas pipe O.D.{1/2"({12.7) 29-7/8(759) 1-
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OC341B--1.qxp 07.7.11 1:29 PM Page 10 6 WIRING DIAGRAM PMFY-P06NBMU-E PMFY-P08NBMU-E PMFY-P12NBMU-E PMFY-P15NBMU-E 10 [Legend] LED on indoor board for service Symbol Name Symbol Name Symbol Name I.B Indoor controller board X1 Aux.relay Drain pump TH21 Thermistor Room temp. detection Mark Meaning Function CN25 Connector Humidifier T Transformer (32°F/15k", 77°F/5.4k") Main power supply (Indoor unit:208-230V) LED1 Main power supply CN27 Damper LED1 Power supply (I.B) TH22 Pipe temp. dete
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F 9 9 E D 8 8 C 7 7 B 6 6 A 9 OC341B--1.qxp 07.7.11 1:29 PM Page 11 PMFY-P06NBMU-E1 PMFY-P08NBMU-E1 PMFY-P12NBMU-E1 PMFY-P15NBMU-E1 11 5 5 8 7 4 4 6 3 3 5 [Legend] Symbol Name Symbol Name Symbol Name LED on indoor board for service I.B Indoor controller board X1 Aux.relay Drain pump TH21 Thermistor Room temp. detection Mark Meaning Function CN25 Connector Humidifier T Transformer (32°F/15kΩ, 77°F/5.4kΩ) Main power supply (Indoor unit:208-230V) LED1 CN27 Damper LED1 Power supply(I.B) TH22 Pipe
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OC341B--1.qxp 07.7.11 1:29 PM Page 12 7 REFRIGERANT SYSTEM DIAGRAM PMFY-P06NBMU-E PMFY-P08NBMU-E PMFY-P12NBMU-E PMFY-P15NBMU-E PMFY-P06NBMU-E1 PMFY-P08NBMU-E1 PMFY-P12NBMU-E1 PMFY-P15NBMU-E1 Thermistor TH23 Strainer (#100mesh) Gas pipe Thermistor TH22 Flare connection w1 w2 Liquid pipe Heat exchanger Linear expansion valve Strainer (#50mesh) Strainer (#100mesh) Strainer pipe (#100mesh) Thermistor TH21
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OC341B--1.qxp 07.7.11 1:29 PM Page 13 8 MICROPROCESSOR CONTROL INDOOR UNIT CONTROL 8-1. COOL OPERATION TIME SUN MON TUE WED THU FRI SAT 1 Press POWER ON/OFF button. TIMER Hr ON AFTER AFTER OFF ERROR CODE FUNCTION 2 Press the operation MODE button to display COOL. ˚F˚C FILTER ˚F˚C WEEKLY SIMPLE 3 Press the TEMP. button to set the desired temperature. ONLY1Hr. AUTO OFF TEMP. ON/OFF NOTE: The set temperature changes 2°F when the or button is pressed once. Cooling 67 t
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OC341B--1.qxp 07.7.11 1:29 PM Page 14 From the preceding page Control modes Remarks Control details 3. Drain pump 3-1. Drain pump control • Always drain pump ON during the COOL and DRY mode operation. (Regardless of the thermostat ON/ OFF) • When the operation mode is changed from COOL or DRY to any other mode (including Stop), the drain pump continues to run for 3 minutes. Drain sensor function [ 1 Drain sensor • The indoor circuit board energizes the drain sensor at a fixed voltage for a
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OC341B--1.qxp 07.7.11 1:29 PM Page 15 8-2. DRY OPERATION TIME SUN MON TUE WED THU FRI SAT 1 Press POWER ON/OFF button. TIMER Hr ON AFTER AFTER OFF ERROR CODE FUNCTION 2 Press the operation MODE button to display DRY. ˚F˚C FILTER ˚F˚C WEEKLY SIMPLE 3 Press the TEMP. button to set the desired temperature. ONLY1Hr. AUTO OFF TEMP. ON/OFF NOTE: The set temperature changes 2°F when the or button is pressed once. Dry 67 to 87°F. MENU ON/OFF FILTER BACK MONITOR/SET DAY CHE
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OC341B--1.qxp 07.7.11 1:29 PM Page 16 8-3. FAN OPERATION 1 Press POWER ON/OFF button. TIME SUN MON TUE WED THU FRI SAT TIMER Hr ON AFTER AFTER OFF 2 Press the operation MODE button to display FAN. ERROR CODE FUNCTION ˚F˚C FILTER ˚F˚C WEEKLY SIMPLE ONLY1Hr. AUTO OFF TEMP. ON/OFF MENU ON/OFF FILTER BACK MONITOR/SET DAY CHECK TEST PAR-21MAA CLOCK OPERATION CLEAR Control modes Remarks Control details 1. Fan Set by remote controller. Type Fan speed notch 4 speeds type [Low], [Medi
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OC341B--1.qxp 07.7.11 1:29 PM Page 17 8-4. HEAT OPERATION 1 Press POWER ON/OFF button. 2 Press the operation MODE button to display HEAT. TIME SUN MON TUE WED THU FRI SAT TIMER Hr ON AFTER AFTER OFF 3 Press the TEMP. button to set the desired temperature. ERROR CODE FUNCTION ˚F˚C FILTER NOTE: The set temperature changes 2°F when the or button is ˚F˚C WEEKLY SIMPLE ONLY1Hr. AUTO OFF pressed once. Heating 63 to 83°F. TEMP. ON/OFF MENU ON/O
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OC341B--1.qxp 07.7.11 1:29 PM Page 18 From the preceding page Control modes Control details Remarks 2-3. Thermo OFF mode 2. Fan When the thermoregulating function changes to OFF, the indoor fan operates in [Extra low]. 2-4. Heat defrosting mode The indoor fan stops. 3. Drain pump No drain pump operation However, when the control changes from COOL or DRY operation, the drain pump operates for 3 minutes. (1) Initial setting : OFF HEAT···[last setting] 4. Vane control When changing the mode
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OC341B--1.qxp 07.7.11 1:29 PM Page 19 8-5. AUTO OPERATION [AUTOMATIC COOL/HEAT CHANGE OVER OPERATION] 1 Press POWER ON/OFF button. TIME SUN MON TUE WED THU FRI SAT TIMER Hr ON AFTER AFTER OFF 2 Press the operation MODE button to display AUTO. ERROR CODE FUNCTION ˚F˚C FILTER 3 Press the TEMP. button to set the desired temperature. ˚F˚C WEEKLY SIMPLE ONLY1Hr. AUTO OFF NOTE: The set temperature changes 2°F when the or button is TEMP. ON/OFF pressed once. Automatic 67
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OC341B--1.qxp 07.7.11 1:29 PM Page 20 9 TROUBLE SHOOTING 9-1. HOW TO CHECK THE PARTS PMFY-P06NBMU-E PMFY-P08NBMU-E PMFY-P12NBMU-E PMFY-P15NBMU-E PMFY-P06NBMU-E1 PMFY-P08NBMU-E1 PMFY-P12NBMU-E1 PMFY-P15NBMU-E1 Parts name Check points Thermistor (TH21) Disconnect the connector then measure the resistance with a tester. Thermistor (TH22) Normal Abnormal Refer to the next page for the details.
