Mitsubishi Electric MSZ-GS30NA-U1 User manual

Models
MSZ-GS30NA -U1
MSZ-GS36NA -U1
MSY-GS30NA -U1
MSY-GS36NA -U1
SERVICE MANUAL
CONTENTS
1. TECHNICAL CHANGES································ 2
2. PART NAMES AND FUNCTIONS··················3
3. SPECIFICATION ········································4
4. OUTLINES AND DIMENSIONS ·····················6
5. WIRING DIAGRAM·····································7
6. REFRIGERANT SYSTEM DIAGRAM ·············8
7. SERVICE FUNCTIONS································9
8. MICROPROCESSOR CONTROL ················ 11
9. TROUBLESHOOTING·······························18
10. DISASSEMBLY INSTRUCTIONS·················30
No. OBH874
INDOOR UNIT
Outdoor unit service manual
MUZ-GS•NA/NAH, MUY-GS•NA Series (OBH875)
PARTS CATALOG (OBB874)

2
MSZ-GS30NA MSZ-GS36NA MSY-GS30NA MSY-GS36NA
1. New model
TECHNICAL CHANGES
1
Use the specied refrigerant only
Never use any refrigerant other than that specified.
Doing so may cause a burst, an explosion, or fire when the unit is being used, serviced, or disposed of.
Correct refrigerant is specified in the manuals and on the spec labels provided with our products.
We will not be held responsible for mechanical failure, system malfunction, unit breakdown or accidents caused by
failure to follow the instructions.
OBH874

3
Remote controller
Operation indicator
lamp
Remote control
receiving section
Emergency operation
switch
Horizontal vane
Air outlet
Air filter
(Nano platinum filter)
Air inlet
Front panel
Air cleaning filter
(Anti-Allergy Enzyme Filter)
ACCESSORIES
MSZ-GS30NA MSZ-GS36NA MSY-GS30NA MSY-GS36NA
MSZ-GS30NA
MSZ-GS36NA
MSY-GS30NA
MSY-GS36NA
(1) Installation plate 1
(2) Attacment screws for the installation plate
4 × 25 mm 7
(3) Remote controller holder 1
(4) Screws for (3) 3.5 × 1.6 mm (Black) 2
(5) Battery (AAA) for (6) 2
(6) Wireless remote controller 1
(7) Felt tape (For left or left-rear piping) 2
(8) Air cleaning lter 2
PART NAMES AND FUNCTIONS
2
OBH874

4
Model MSZ-GS30NA MSY-GS30NA MSZ-GS36NA MSY-GS36NA
Power supply V, phase, Hz 208/230 , 1 , 60
Max. fuse size (time delay)/ Disconnect switch A 15
Min. circuit ampacity A 1.0
Fan motor F.L.A 0.76
Airow
Low - Med. - High
- Super High
COOL Dry
(Wet) CFM
374 - 602 - 699 - 915
(336 - 542 - 629 - 823)
HEAT Dry 423 - 602 - 699 - 803
Moisture removal pt./h 7.8 9.3
Sound level
Low - Med. - High
- Super High
Cooling
dB(A)
32 - 42 - 49 -53
Heating *1 34 - 42 - 49 - 50 — 34 - 42 - 49 - 50 —
Cond. drain connection O.D. in. 5/8
Dimensions
W
in.
46-1/16
D 11-5/8
H 14-3/8
Weight Ib. 45
External nish Munsell 1.0Y 9.2/0.2
Remote controller Wireless type
Control voltage (by built-in transformer) 12-24 VDC
NOTE : Test conditions are based on AHRI 210/240.
*1 Only MSZ
SPECIFICATION
3
OBH874

5
3-1. OPERATING RANGE
(1) POWER SUPPLY
3-2. OUTLET AIR SPEED AND COVERAGE RANGE
(2) OPERATION
● The air coverage range is the figure up
to the position where the air speed is 1
ft./sec., when air is blown out horizon-
tally from the unit properly at the High
speed position.
The coverage range should be used
only as a general guideline since it var-
ies according to the size of the room
and furniture arranged inside the room.
Mode Condition
Intake air temperature (°F)
Indoor Outdoor
DB WB DB WB
Cooling
Standard temperature 80 67 95 —
Maximum temperature 90 73 115 —
Minimum temperature 67 57 14 —
Maximum humidity 78% —
Heating
Standard temperature 70 60 47 43
Maximum temperature 80 67 75 65
Minimum temperature 70 60 14 13
Model Mode Function Airow
(CFM)
Air speed
(ft./sec.)
Coverage
range
(ft.)
MSZ-GS30NA
MSZ-GS36NA HEAT Dry 803 22.4 42.8
MSZ-GS30NA
MSZ-GS36NA
MSY-GS30NA
MSY-GS36NA
COOL
Dry 915 25.5 48.8
Wet 823 22.9 43.9
Rated voltage Guaranteed voltage (V)
Indoor unit
208/230 V
1 phase
60 Hz
Min. 187 208 230 Max. 253
OBH874