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SPLIT-TYPE, AIR CONDITIONERS
TECHNICAL & SERVICE MANUAL
[Model Name]
[Service Ref.]
PU-P18VAKD.TH
PU-P18VAKD
PU-P18VAKD.TH-D
PU-P24VAKD.TH
PU-P24VAKD
PU-P24VAKD.TH-D
PU-P30VAKD.TH
PU-P30VAKD
PU-P30VAKD.TH-D
PU-P36VAKD.TH
PU-P36VAKD
PU-P36VAKD.TH-D
PU-P36YAKD.TH
PU-P36YAKD
PU-P36YAKD.TH-D
PU-P42YAKD.TH
PU-P42YAKD
PU-P42YAKD.TH-D
PU-P18VAKD
PU-P18VAKD.TH-N
PU-P24VAKD.TH-N
PU-P30VAKD.TH-N
PU-P36VAKD.TH-N
PU-P36YAKD.TH-N
PU-P42YAKD.TH-N
CONTENTS
1. REFERENCE MANUAL ···································· 2
2. PARTS NAMES AND FUNCTIONS ·················· 3
3. SPECIFICATION ················································ 4
4. NOISE CRITERIA CURVES ······························ 5
5. OUTLINES AND DIMENSIONS ························ 7
6. WIRING DIAGRAM ·········································· 10
7. REFRIGERANT SYSTEM DIAGRAM ············· 14
8 TROUBLESHOOTING ······································ 18
9. DISASSEMBLY PROCEDURE ······················· 23
PARTS CATALOG (OCB598)
HFC
utilized
R410A
July 2016
No. OCH598
REVISED EDITION-B
Revision:
Added PU-P42YAKD.TH,
PU-P42YAKD.TH-D, and
PU-P42YAKD.TH-N in
REVISED EDITION-B.
Some description has been
modified.
OCH598 REVISED EDITION-A
is void.
Notes:
This manual describes service
data of outdoor unit only.
RoHS compliant products
have <G> mark on the spec
name plate.
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Summary of Contents for Mitsubishi Electric Mr. Slim Series
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Page 1: Table Of Contents
utilized R410A SPLIT-TYPE, AIR CONDITIONERS July 2016 No. OCH598 REVISED EDITION-B TECHNICAL & SERVICE MANUAL [Model Name] [Service Ref.] Revision: Added PU-P42YAKD.TH, PU-P18VAKD.TH PU-P18VAKD PU-P42YAKD.TH-D, and PU-P42YAKD.TH-N in PU-P18VAKD.TH-D PU-P18VAKD.TH-N REVISED EDITION-B. Some description has been PU-P24VAKD.TH PU-P24VAKD modified. PU-P24VAKD.TH-D PU-P24VAKD.TH-N OCH598 REVISED EDITION-A is void. -
Page 2: Parts Names And Functions
PARTS NAMES AND FUNCTIONS PU-P18VAKD Air inlet (back and side) Piping Drain hose Air outlet Drain outlet PU-P24VAKD PU-P30VAKD Air inlet (back and side) Piping Drain hose Air outlet Drain outlet PU-P36VAKD PU-P36YAKD Air outlet Air inlet PU-P42YAKD Air outlet Air inlet Note: Unit of pressure is based on ISO (International Standardization Organization) [kgf/cm... -
Page 3: Specification
SPECIFICATION Outdoor model PU-P18VAKD PU-P24VAKD PU-P30VAKD Function Cooling Single phase Power supply 220–240 V, 50 Hz Model RN196VHSMT PN25VAFMT NN33VAAMT Output 1,300 1,800 2,200 Compressor motor current 6.90 8.87 11.48 Winding C-R 1.99 C-R 1.23 C-R 0.68 resistance (at 20°C) C-S 4.06 C-S 2.31 C-S 1.80... -
Page 4: Outlines And Dimensions
OUTLINES AND DIMENSIONS PU-P18VAKD.TH PU-P18VAKD.TH-D PU-P18VAKD.TH-N REQUIRED SPACE Basically, leave this space open. Only if front and both sides are open, leave 100 mm at minimum. Drain hole ø42 Air in Air in Leave any 2 sides among right, left or rear open. 2-holes 10x21 Air out Service panel... - Page 5 PU-P36VAKD.TH PU-P36VAKD.TH-D PU-P36VAKD.TH-N PU-P36YAKD.TH PU-P36YAKD.TH-D PU-P36YAKD.TH-N OCH598B...
- Page 6 PU-P42YAKD.TH PU-P42YAKD.TH-D PU-P42YAKD.TH-N OCH598B...
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Page 7: Wiring Diagram
WIRING DIAGRAM PU-P18VAKD.TH PU-P18VAKD.TH-D PU-P18VAKD.TH-N TO INDOOR UNIT 12 V DC POWER SUPPLY ~/N 220-240 V 50Hz SYMBOL NAME SYMBOL NAME SYMBOL NAME COMPRESSOR TERMINAL BLOCK COMPRESSOR CAPACITOR (INNER PROTECTOR) (POWER SUPPLY) FAN MOTOR TERMINAL BLOCK FAN MOTOR CAPACITOR (INNER FUSE) (CONNECTING WIRES INDOOR/OUTDOOR) COMPRESSOR CONTACTOR PU-P24VAKD.TH... - Page 8 PU-P36VAKD.TH PU-P36VAKD.TH-D PU-P36VAKD.TH-N L1/1 T1/2 L3/5 T3/6 GNYE L1/R SYMBOL NAME SYMBOL NAME SYMBOL NAME COMPRESSOR TERMINAL BLOCK COMPRESSOR CAPACITOR (INNER THERMOSTAT) (CONNECTING WIRES INDOOR/OUTDOOR) FAN MOTOR C3, 4 FAN MOTOR CAPACITOR MF3, 4 52C RELAY (INNER THERMOSTAT) FUSE (6.3A/250V) SURGE ABSORBER COMPRESSOR CONTACTOR TERMINAL BLOCK...
- Page 9 PU-P36YAKD.TH PU-P36YAKD.TH-D PU-P36YAKD.TH-N L1/1 2/T1 L2/3 4/T2 L3/5 6/T3 GNYE L1/R L2/S L3/T SYMBOL NAME SYMBOL NAME SYMBOL NAME COMPRESSOR COMPRESSOR PROTECTOR SURGE ABSORBER (INNER THERMOSTAT) FAN MOTOR C3, 4 FAN MOTOR CAPACITOR MF3, 4 ANTI-PHASE PROTECTOR (INNER THERMOSTAT) TERMINAL BLOCK F1, 2 FUSE (6.3A/250V) THERMAL RELAY...
- Page 10 PU-P42YAKD.TH PU-P42YAKD.TH-D PU-P42YAKD.TH-N L1/1 2/T1 L2/3 4/T2 L3/5 6/T3 GNYE L1/R L2/S L3/T SYMBOL NAME SYMBOL NAME SYMBOL NAME FAN MOTOR MF3, 4 COMPRESSOR PROTECTOR THERMAL RELAY (INNER THERMOSTAT) C3, 4 FAN MOTOR CAPACITOR SURGE ABSORBER COMPRESSOR CONTACTOR TERMINAL BLOCK F1, 2 FUSE (6.3A/250V) HIGH PRESSURE SWITCH...
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Page 11: Refrigerant System Diagram
REFRIGERANT SYSTEM DIAGRAM PU-P18VAKD.TH PU-P18VAKD.TH-D PU-P18VAKD.TH-N Refrigerant pipe ø12.7 (with heat insulator) Stop valve (with service port) Outdoor heat exchanger Flared connection Strainer Compressor #100 Flared connection Stop valve Capillary tube ø 3.0 x ø 1.6 x 450 Refrigerant pipe ø6.35 (with heat insulator) Refrigerant flow in cooling PU-P24VAKD.TH... - Page 12 PU-P30VAKD.TH PU-P30VAKD.TH-D PU-P30VAKD.TH-N Refrigerant pipe ø 15.88 (with heat insulator) Strainer Stop valve #100 (with service port) Outdoor heat Flared connection exchanger Accumulator Compressor Flared connection Stop valve Capillary tube ø 4.0 × ø 2.4 × 600 Refrigerant pipe ø 9.52 (with heat insulator) Refrigerant flow in cooling PU-P36VAKD.TH...
- Page 13 PU-P42YAKD.TH PU-P42YAKD.TH-D PU-P42YAKD.TH-N Strainer Charge [ 15.88 plug (5/8'') Ball pressure valve Charge switch plug High pressure switch Strainer Outdoor heat exchanger Strainer Compressor Capillary tube Strainer Refrigerant flow [ 9.52 (3/8'') Stop valve (With service port) Capillary tube ([3.0 o[2.0 -L600) o 2pcs OCH598B...
- Page 14 Refrigerant piping: m Piping size O.D: mm Max. Length Max. Height difference Liquid PU-P18VAKD 12.7 6.35 PU-P24VAKD 15.88 6.35 PU-P30VAKD 15.88 9.52 PU-P36VAKD 15.88 9.52 PU-P36YAKD PU-P42YAKD 15.88 9.52 MAX. HEIGHT DIFFERENCE Indoor unit Max. Height Refrigerant Piping difference Max. Length Outdoor unit *Height difference limitations are binding regardless of the height position at which either indoor or outdoor is placed higher.