Mitsubishi Heavy Industries KXZ Series User manual

TECHNICAL MANUAL
Manual No.'17•KX-T-259
(1) Regarding the outdoor unit KXZ series, refer to the No.'14 • KX-T-223, No.'15 • KX-T-227 and
•Note:
No.'16 • KX-DB-225D.
(INDOOR UNIT)
Wall mounted type
FDK22KXZE1
28KXZE1
36KXZE1
45KXZE1
56KXZE1
71KXZE1
KXZ series
VRF INVERTER MULTI-SYSTEM AIR-CONDITIONERS

– 1–
'17 • KX-T-259
CONTENTS
1. SPECIFICATIONS
2. EXTERIOR DIMENSIONS ................................................................................ 5
(1) Indoor units ...........................
......................................................................... ..... 5
(2) Remote control (Option parts) ................
....................................... ................ 7
7. APPLICATION DATA ...................................................................................... 25
7.1 Installation of indoor unit .............
........................................................................ ... 25
3. ELECTRICAL WIRING
4. NOISE LEVEL
5. TEMPERATURE AND VELOCITY DISTRIBUTION
7.2 Electric wiring work instruction ............
............................................................. .... 29
7.3 Installation of wired remote control (Option parts) ..........
........................... ...... 33
8. OUTLINE OF OPERATION CONTROL BY MYCROCOMPUTER ................. 45
8.1 Remote control (Option parts) ..................................................................... 45
8.2 Operation control function by the wired remote control ...........
................. ..... 48
(1) Model RC-EX3 ................................................................................
..... .... 33
(2) Model RC-E5 ..................................................................................
..... ..... 40
6. CAPACITY TABLES
8.3 Operation control function by the indoor control .........
.............................. ....... 51
9. SYSTEM TROUBLESHOOTING PROCEDURE ............................................. 67
9.1 Basics of troubleshooting .........
...................................................................... ....... 67
9.2 Contents of troubleshooting ...........
.................................................................. ..... 68
9.3 Instruction of how to replace PCB ........
....................................................... ........ 99
............................................................................................2
.....................................................................................
........................................ 14
.................................................................................................. 11
......................................................................................... 19
9.4 Indoor PCB setting .............
.................................................................................. ...101
10. OPTION PARTS
10.1 Wireless kit (RCN-K-E2
･
RCN-K71-E2)
................................................................ 102
................................................................ 110
10.2 Simple wired remote control (RCH-E3)
........................... ................................................................ .... 102
■How to read the model name
Example: FDK 22 E
Series No.
Application power source...See the specifications
Multi KXZ series
Nominal capacity (Nominal cooling capacity : 2.2kW)
Model name〔Wall mounted type〕
KXZ 1
10

– 2–
1. SPECIFICATIONS
Models FDK22KXZE1, 28KXZE1, 36KXZE1, 45KXZE1, 56KXZE1
PHA001Z126
Models FDK22KXZE1 FDK28KXZE1 FDK36KXZE1 FDK45KXZE1 FDK56KXZE1
－ － － － －
Nominal cooling capacity*1 kW 2.2 2.8 3.6 4.5 5.6 Nominal heating capacity*2 2.5 3.2 4.0 5.0 6.3 Power source 220-240V 50Hz / 220V 60Hz 220-240V 50Hz / 220V 60Hz 220-240V 50Hz / 220V 60Hz 220-240V 50Hz / 220V 60Hz 220-240V 50Hz / 220V 60Hz Power consumption Cooling kW 0.02 0.02 0.03 0.03 0.03
Heating 0.02 0.02 0.03 0.03 0.03
Running current Cooling A0.18 - 0.16 / 0.18 0.18 - 0.16 / 0.18 0.27 - 0.25 / 0.27 0.27 - 0.25 / 0.27 0.27 - 0.25 / 0.27
Heating 0.18 - 0.16 / 0.18 0.18 - 0.16 / 0.18 0.27 - 0.25 / 0.27 0.27 - 0.25 / 0.27 0.27 - 0.25 / 0.27
Sound Pressure Level Cooling dB(A) P-Hi：38 Hi：36 Me：32 Lo：28 P-Hi：38 Hi：36 Me：32 Lo：28 P-Hi：40 Hi：38 Me：33 Lo：28 P-Hi：43 Hi：41 Me：36 Lo：33 P-Hi：43 Hi：41 Me：36 Lo：33
Heating P-Hi：38 Hi：36 Me：32 Lo：28 P-Hi：38 Hi：36 Me：32 Lo：28 P-Hi：40 Hi：38 Me：33 Lo：28 P-Hi：43 Hi：41 Me：36 Lo：33 P-Hi：44 Hi：42 Me：37 Lo：33
Sound Power Level Cooling dB(A) 55 55 58 58 58
Heating 55 55 58 58 61
Exterior dimensions Height x Width x Depth mm 290 × 870 × 230 290 × 870 × 230 290 × 870 × 230 290 × 870 × 230 290 × 870 × 230 Exterior appearance
（Munsell color）Fine Snow
（8.0Y9.3/0.1）near equivalent
Fine Snow
（8.0Y9.3/0.1）near equivalent
Fine Snow
（8.0Y9.3/0.1）near equivalent
Fine Snow
（8.0Y9.3/0.1 ）near equivalent
Fine Snow
（8.0Y9.3/0.1）near equivalent
Net weight kg 11 11 11.5 11.5 11.5 Refrigerant equipment Heat exchanger Louver n & inner grooved tubing Louver n & inner grooved tubing Louver n & inner grooved tubing Louver n & inner grooved tubing Louver n & inner grooved tubing Refrigerant control Electronic Expansion Valve Electronic Expansion Valve Electronic Expansion Valve Electronic Expansion Valve Electronic Expansion Valve Air handling equipment Fan type & Q'ty Tangential fan × 1 Tangential fan × 1 Tangential fan × 1 Tangential fan × 1 Tangential fan ×1 Motor W 42 42 42 42 42 Starting method Direct line start Direct line start Direct line start Direct line start Direct line start Air ow (Standard) Cooling m3/min P-Hi：8.5 Hi：8 Me：6 Lo：5 P-Hi：8.5 Hi：8 Me：6 Lo：5 P-Hi：11 Hi：10 Me：8 Lo：7 P-Hi：12 Hi：11 Me：9 Lo：8 P-Hi：12 Hi：11 Me：9 Lo：8
Heating P-Hi：8.5 Hi：8 Me：6 Lo：5 P-Hi：8.5 Hi：8 Me：6 Lo：5 P-Hi：11 Hi：10 Me：8 Lo：7 P-Hi：12 Hi：11 Me：9 Lo：8 P-Hi：13 Hi：12 Me：10 Lo：8
Available static pressure Pa 0 0 0 0 0
Outside air intake Not possible Not possible Not possible Not possible Not possible Air lter, Q'ty Polypropylene net × 2 (Washable) Polypropylene net × 2 (Washable) Polypropylene net × 2 (Washable) Polypropylene net × 2
(Washable)
Polypropylene net × 2
(Washable)
Shock & vibration absorber Rubber sleeve (for fan motor) Rubber sleeve (for fan motor) Rubber sleeve (for fan motor) Rubber sleeve (for fan motor) Rubber sleeve (for fan motor) Insulation (noise & heat) Polyurethane form Polyurethane form Polyurethane form Polyurethane form Polyurethane form Operation control
Remote control switch
wired:RC-EX3, RC-E5, RCH-E3
wireless:RCN-K-E2
Remote control switch
wired:RC-EX3, RC-E5, RCH-E3
wireless:RCN-K-E2
Remote control switch
wired:RC-EX3, RC-E5, RCH-E3
wireless:RCN-K-E2
Remote control switch
wired:RC-EX3, RC-E5, RCH-E3
wireless:RCN-K-E2
Remote control switch
wired:RC-EX3, RC-E5, RCH-E3
wireless:RCN-K-E2
Room temperature control Thermostat by electronics Thermostat by electronics Thermostat by electronics Thermostat by electronics Thermostat by electronics Safety equipment Overload protection for fan motor
Frost protection thermostat
Overload protection for fan motor
Frost protection thermostat
Overload protection for fan motor
Frost protection thermostat
Overload protection for fan motor
Frost protection thermostat
Overload protection for fan motor
Frost protection thermostat
Installation data Refrigerant piping size
Liquid line: φ6.35 (1/4")
Gas line: φ9.52 (3/8")
Liquid line: φ6.35 (1/4")
Gas line: φ9.52 (3/8")
Liquid line: φ6.35 (1/4")
Gas line: φ12.7 (1/2")
Liquid line: φ6.35 (1/4")
Gas line: φ12.7 (1/2")
Liquid line: φ6.35 (1/4")
Gas line: φ12.7 (1/2")
Connecting method Flare piping Flare piping Flare piping Flare piping Flare piping Refrigerant R410A R410A R410A R410A R410A
－ － － － －
Drain hose Connectable with VP16 Connectable with VP16 Connectable with VP16 Connectable with VP16 Connectable with VP16 Insulation for piping Necessary (both Liquid & Gas line) Necessary (both Liquid & Gas line) Necessary (both Liquid & Gas line) Necessary (both Liquid & Gas line) Necessary (both Liquid & Gas line) Standard Accessories Mounting kit Mounting kit Mounting kit Mounting kit Mounting kit Exterior dimensions PHA001Z105 PHA001Z105 PHA001Z105 PHA001Z105 PHA001Z105 Electrical wiring PHA001Z107 PHA001Z107 PHA001Z107 PHA001Z107 PHA001Z107
Notes (1) The data are measured at the following conditions. (2) This packaged air-conditioner is manufactured and tested in conformity with the following standard.
ISO-T1 "UNITARY AIR-CONDITIONERS"
Adapted to RoHS directive
Item Indoor air temperature Outdoor air temperature Standards
Operation DB WB DB WB
Cooling*1 27℃19℃35℃24℃ISO-T1
Heating*2 20℃7℃6℃
'17 • KX-T-259

– 3–
Models FDK71KXZE1
－
Nominal cooling capacity*1 kW 7.1 Nominal heating capacity*2 8.0 Power source 220-240V 50Hz / 220V 60Hz Power consumption Cooling kW 0.04
Heating 0.04
Running current Cooling A0.34 - 0.31 / 0.34
Heating 0.34 - 0.31 / 0.34
Sound Pressure Level Cooling dB(A) P-Hi：42 Hi：40 Me：37 Lo：35
Heating P-Hi：42 Hi：40 Me：37 Lo：35
Sound Power Level Cooling dB(A) 59
Heating 59
Exterior dimensions Height x Width x Depth mm 339 × 1,197 × 262 Exterior appearance
（Munsell color）Fine Snow
（8.0Y9.3/0.1）near equivalent
Net weight kg 17 Refrigerant equipment Heat exchanger Louver n & inner grooved tubing Refrigerant control Electronic Expansion Valve Air handling equipment Fan type & Q'ty Tangential fan × 1 Motor W 56 Starting method Direct line start Air ow (Standard) Cooling m3/min P-Hi：21 Hi：19 Me：16 Lo：14
Heating P-Hi：21 Hi：19 Me：16 Lo：14
Available static pressure Pa 0 Outside air intake Not possible Air lter, Q'ty Polypropylene net × 2
(Washable)
Shock & vibration absorber Rubber sleeve (for fan motor) Insulation (noise & heat) Polyurethane form Operation control
Remote control switch
wired:RC-EX3, RC-E5, RCH-E3
wireless:RCN-K71-E2
Room temperature control Thermostat by electronics Safety equipment Overload protection for fan motor
Frost protection thermostat
Installation data Refrigerant piping size
Liquid line: φ9.52 (3/8")
Gas line: φ15.88 (5/8")
Connecting method Flare piping Refrigerant R410A
－
Drain hose Connectable with VP16 Insulation for piping Necessary (both Liquid & Gas line) Standard Accessories Mounting kit Exterior dimensions PHA001Z106 Electrical wiring PHA001Z107
Notes (1) The data are measured at the following conditions. (2) This packaged air-conditioner is manufactured and tested in conformity with the following standard.
ISO-T1 "UNITARY AIR-CONDITIONERS"
Adapted to RoHS directive
Item Indoor air temperature Outdoor air temperature Standards
Operation DB WB DB WB
Cooling*1 27℃19℃35℃24℃ISO-T1
Heating*2 20℃7℃6℃
PHA001Z126
Model FDK71KXZE1
'17 • KX-T-259

– 4–
'17 • KX-T-259
Weight List (Package)
Material
Model
Gross
weight
Packing
Parts
weight
(Total)
Paper Plastic Metal Wood Glass Other
Steel Aluminium
Indoor
FDK22KXZE1 12.5 1.21 0.88 0.33 0.00 0.00 0.00 0.00 0.00
FDK28KXZE1 12.5 1.21 0.88 0.33 0.00 0.00 0.00 0.00 0.00
FDK36KXZE1 13.0 1.21 0.88 0.33 0.00 0.00 0.00 0.00 0.00
FDK45KXZE1 13.0 1.21 0.88 0.33 0.00 0.00 0.00 0.00 0.00
FDK56KXZE1 13.0 1.21 0.88 0.33 0.00 0.00 0.00 0.00 0.00
FDK71KXZE1 20.0 2.64 1.87 0.77 0.00 0.00 0.00 0.00 0.00
Option
parts
RCN-K-E2 0.7 0.20 0.18 0.02 0.00 0.00 0.00 0.00 0.00
RCN-K71-E2 0.7 0.20 0.18 0.02 0.00 0.00 0.00 0.00 0.00
【Indoor unit & option parts】Unit : kg