Mitsubishi Heavy Industries KXZ Series User manual

VRF INVERTER MULTI-SYSTEM AIR-CONDITIONERS
(INDOOR UNIT)
Manual No. '15 •KX-T-235
Ceiling suspended type
FDE36KXZE1
KXZ series
(1) Regarding the outdoor unit KXZ series, refer to the No.'14•KX-DB-
and
199, No.'14•KX-DB-201,
•Note:
No.'14•KX-DB-203, No.'14•KX-DB-207 No.'14•KX-DB-220 No. .'09•KXR-DB-129,
45KXZE1
56KXZE1
71KXZE1
112KXZE1
140KXZE1
TECHNICAL MANUAL

– 1–
'15 • KX-T-235
CONTENTS
1. SPECIFICATIONS
2. EXTERIOR DIMENSIONS ................................................................................ 4
(1) Indoor units ...........................
......................................................................... ..... 4
(2) Wired remote control (option parts) ........
....................................... ................ 7
7. APPLICATION DATA ...................................................................................... 21
7.1 Installation of indoor unit .............
........................................................................ ... 21
3. ELECTRICAL WIRING
4. NOISE LEVEL
5. TEMPERATURE AND VELOCITY DISTRIBUTION
7.2 Electric wiring work instruction ............
............................................................. .... 25
7.3 Installation of wired remote control (option parts) ..........
........................... ...... 29
8. OUTLINE OF OPERATION CONTROL BY MYCROCOMPUTER ................. 42
8.1 Remote control (option parts) ...................................................................... 42
8.2 Operation control function by the wired remote control ...........
................. ..... 45
(1) Model RC-EX1A ..............................................................................
..... .... 29
(2) Model RC-E5 ..................................................................................
..... ..... 37
6. CAPACITY TABLES
8.3 Operation control function by the indoor control .........
.............................. ....... 48
9. SYSTEM TROUBLESHOOTING PROCEDURE ............................................. 64
9.1 Basics of troubleshooting .........
...................................................................... ....... 64
9.2 Contents of troubleshooting ...........
.................................................................. ..... 65
9.3 Instruction of how to replace PCB ........
....................................................... ........ 96
(1) Control PCB
9.4 Indoor PCB setting .............
.................................................................................. ... 99
........................................................................
....... ............... 96
(2) Power PCB .......................................................................
....... ................. 98
10. OPTION PARTS
10.1 Wireless kit (RCN-E1R)
............................................................................................ 100
................................................................ 104
10.2 Simple wired remote control (RCH-E3)
........................... ................................................................ .... 100
............................................................................................2
..................................................................................... 9
........................................ 11
.................................................................................................. 10
......................................................................................... 15
■How to read the model name
Example: FDE 36 E
Series No.
Application power source...See the specifications
Multi KXZ series
Nominal capacity (Nominal cooling capacity : 3.6kW)
Model name〔Ceiling suspended type〕
KXZ 1

– 2–
1. SPECIFICATIONS
Models FDE36KXZE1, 45KXZE1, 56KXZE1, 71KXZE1
PFA004Z035
(3) When wireless remote control is used, fan is 3 speed setting(Hi-Me-Lo) only.
FDE71KXZE1FDE56KXZE1
FDE45KXZE1FDE36KXZE1
0.07
0.07
0.65
0.65
0.05
0.05
0.45
0.45
0.05
0.05
0.45
0.45
P-Hi : 20 Hi : 15 Me : 13 Lo : 10
P-Hi : 13 Hi : 10 Me : 9 Lo : 7
P-Hi : 13 Hi : 10 Me : 9 Lo : 7
P-Hi : 13 Hi : 10 Me : 7 Lo : 5.5
Option: RC-E5, RC-EX1AOption: RC-E5, RC-EX1A
Option: RC-E5, RC-EX1A
Option: RC-E5, RC-EX1A
0.05
0.05
0.45
0.45
m3/min
Cooling
Heating
Cooling
Heating
220-240V 50Hz / 220V 60Hz
P-Hi : 46 Hi : 38 Me : 31 Lo : 26
Plaster white Plaster white Plaster white Plaster white
220-240V 50Hz / 220V 60Hz 220-240V 50Hz / 220V 60Hz 220-240V 50Hz / 220V 60Hz
P-Hi : 46 Hi : 38 Me : 36 Lo : 31 P-Hi : 46 Hi : 38 Me : 36 Lo : 31 P-Hi : 47 Hi : 39 Me : 37 Lo : 32
Electronic expansion valve Electronic expansion valve Electronic expansion valve Electronic expansion valve
30 30 30 50
Insulation (Noise & heat)
Sound pressure level
'15 • KX-T-235

– 3–
PFA004Z035
Models FDE112KXZE1, 140KXZE1
(3) When wireless remote control is used, fan is 3 speed setting(Hi-Me-Lo) only.
FDE140KXZE1
FDE112KXZE1
0.13
0.13
1.20
1.20
0.10
0.10
0.90
0.90
Option: RC-E5, RC-EX1A
Option: RC-E5, RC-EX1A
m3/min
Cooling
Heating
Cooling
Heating
220-240V 50Hz / 220V 60Hz 220-240V 50Hz / 220V 60Hz
P-Hi : 45 Hi : 42 Me : 38 Lo : 34 P-Hi : 48 Hi : 43 Me : 40 Lo : 35
Plaster white Plaster white
4343
Electronic expansion valve Electronic expansion valve
65 80
P-Hi : 28 Hi : 25 Me : 21 Lo : 16.5 P-Hi : 32 Hi : 26 Me : 23 Lo : 17
Insulation (Noise & heat)
Sound pressure level
'15 • KX-T-235

– 4–
'15 • KX-T-235
2. EXTERIOR DIMENSIONS
(1) Indoor units
Models FDE36KXZE1, 45KXZE1, 56KXZE1
PFA004Z036

– 5–
'15 • KX-T-235
Model FDE71KXZE1
PFA004Z037

– 6–
'15 • KX-T-235
Models FDE112KXZE1, 140KXZE1
PFA004Z038

– 7–
'15 • KX-T-235
Installation space
R/C cable：0.3mm2 × 2-core
A
dapted to RoHSdirective
Exterior appearance
(Munsell color)
Pearl White
(N8.5) near equivalent
-
Dimensions (Viewed from front)
A
PJZ000Z297
(2) Wired remote control (option parts)
Model RC-EX1A

– 8–
'15 • KX-T-235
Model RC-E5
TEMP ON/OFF
48
غ120
L C D
Wall surface
Wiring
Electrical box
䋨Not included䋩
19
Wiring specifications
Exposed mounting
23
46
11.5 11
Remote
control
outline
120
45
83.5
42
120
Remote control installation dimensions
Wiring oulet
Installation hole
12×7 Slot hole
9.5×5 Slot hole 䋨4places䋩
䋨1䋩Installation screw for remote control
M4 Screw (2 pieces)
44
(1) If the prolongation is over 100m, change to the size below.
But, wiring in the remote control case should be under 0.5mm2. Change the wire size outside of
the case according to wire connecting. Waterproof treatment is necessary at the wire connecting
section. Be careful about contact failure.
Length Wiring thickness
100 to 200m 0.5mm2×2 cores
0.75mm2×2 cores
1.25mm2×2 cores
2.0mm2×2 cores
Under 300m
Under 400m
Under 600m
Upper part
Lower part
Lower case
Sheath
Upper cace
Board
Wiring
Upper
Lower
X Y
Sheath
Upper cace
Board
Wiring
Upper
Lower
YX
Tighten the screws after
cutting off the thin part of
screw mounting part.
Embedded mounting
The peeling-off length of sheath
The peeling-off length
of sheath
In case of pulling out from
upper left
In case of pulling out
from upper left
In case of pulling out
from upper left
X wiring : 170mm
Y wiring : 190mm
Pulling out from center
X wiring : 215mm
Y wiring : 195mm
Pulling out from upper left
In case of pulling out from center
In case of pulling out
from center
In case of pulling out
from center
Wiring outlet
Cut off the upper thin part of remote control lower case with a nipper or knife,
and grind burrs with a file etc.
0.3mm2×2 cores.
X, Y Terminal block
Attach M3 screw
with washer
Unit:mm
Exterior appearance
(Munsell color)
Pearl White
(N8.5) near equivalent
A
PJZ000Z295

– 9–
'15 • KX-T-235
M
XR1
XR2
XR3
XR4
1
2
3
4
5
6
1
3
1
2
3
4
5
1
2
3
4
5
CNW2
WH
CNW1
WH
CNB
WH
CNN
YE
CNT
BL
F1（3.15A）
3
5
CNW0
WH
1
M
1
2
3
4
5
1
2
3
4
5
LM
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
CNJ
WH
Power circuit 6
7
8
9
10
11
12
6
7
8
9
10
11
12
YE／GN
WH
RD
WH
WH
WH
WH
WH
WH
WH
WH
WH
WH
WH
WH
BL
PK
BR
OR
RD
+12
SW1 SW2 SW3 SW4
SW6
SW5
SW7
LED・2 LED・3
CNK2
CNZ
FOR HA
Superlink（spare）
JSL1
WH
BK
CND BK
X
Y
A
B
X
Y
t°
TB2
Signal line（Shielded cord）
Signal line
between indoor units
WH
BK
BL
RD
L
N
TB1
Power
Power source line
between indoor units
Earth
CNU
BL WH
RD
1
2
CNK1
WH
SM
WH
1YE
OR
BL
RD
2
3
4
5
6
CNA
RD
1 4 5 6 7
F3
（2.0A）
1
2
3
4
5
6
t°
1
2
CNH
BK ThI-A
t°
t°
t°
ThI-R1
ThI-R2
ThI-R3
BK
BK
BK
BK
（20S）
（SVH）
（SVG）
（SVE）
XB1
XB2
XB3
XB4
1
2
3
4
5
+12
CNT2
RD
CNTA
BL
1
2
YE／GN
+12
BK
BK
Power PCB
Remote
Thc
control
source line
（Remote operation:volt-free contact）
Prepare on site
（Operation）
（Heating）
（Thermo ON）
（Inspection）
XR5（Remote operation input :volt-free contact）
For heat recovery 3-pipe systems
Connector for branching
controller of heat recovery
3-pipe systems
Control PCB
BK
BK
F2（3.15A）
CNI
BL WH
1
2
Fan motor
Louver motorLM
Indication lamp（Red-Inspection）
ConnectorCNA-Z
LED・2
Thermistor（Return air）
Thermistor（Heat exchanger）
Operation check,drain motor test run
Thermistor（Remote control）
Model capacity settingSW6
Terminal block（Power source）（□ mark）TB1
Terminal block（Signal line）（□ mark）TB2
Indication lamp（Green-Normal operation）
LED・3
Stepping motor（For electronic expansion valve）SM
SW1
SW2
Indoor unit address:tens place
Indoor unit address:ones place
SW3
SW4
Outdoor unit address:tens place
Outdoor unit address:ones place
Indoor unit address:hundreds place
JSL1 Live superlink terminal setting（For spare）
SW5-1
SW5-2
SW7-1
FMI
ThI-A
ThI-R1,2,3
Thc
F1（3.15A）,F2（3.15A）
Powerful mode Valid／InvalidSW7-3
Color marks
Mark
BK
BL
BR
OR
Color
Black
Blue
Brown
Orange
RD
WH
YE／GN
Red
White
Yellow
Yellow／Green
Pink
Automatic adjustment／Fixed previous
version of superlink protocol
PK
YE
F3（2.0A）
Fuse
Meaning of marks
Parts nameMark
M
R
DB KW HY EB L
FMI
CNM1
WH
1 4 5 6 7
R
DB KW HY EB
LCNF1
WH
※1
Power source
（Single-phase）
220 - 240V 50Hz/
220V 60Hz
Notes 1. indicates wiring on site.
2. Use twin core cable（0.75〜1.25mm
2
）at signal line between indoor unit
and outdoor unit, and signal line between indoor units.
3. Use twin core cable（0.3mm
2
）at remote control. See spec sheet
of remote control in case that the total length is more than 100m.
4. Do not put signal line and remote control line alongside power source line.
5. Section 1（※1）is provided on the models FDE112,140 only.
3. ELECTRICAL WIRING All models
PFA004Z039