Manual No. '11 • SAF-T-161
updated March 31, 2011
TECHNICAL MANUAL
VRF INVERTER MULTI-SYSTEM AIR CONDITIONERS
Alternative refrigerant R410A use models
Fresh Air DX Assembly (SAF-DX)
Models
SAF-DX250E6 SAF-DX350E6 SAF-DX500E6
SAF-DX800E6 SAF-DX1000E6
•Note:
(1)Regarding the Outdoor unit series, refer to the following table.
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Models |
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Reference manuals No. |
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Technical manual |
Data book |
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Service manual |
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4 |
6HP |
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'08 • KX-T-117 |
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8 |
12HP |
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'09 • KX-DB-124 |
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'09 • KX-SM-125 |
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14 |
48HP |
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'09 • KX-DB-127 |
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'09 • KX-SM-128 |
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Heat recovery |
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'09 • KXR-DB-129 |
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'09 • KXR-SM-130 |
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3-pipe ststems |
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'11•SAF-T-161 |
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CONTENTS |
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1. |
What is SAF-DX.............................................................................................. |
1 |
2. |
Specifications................................................................................................. |
3 |
3. |
Exterior dimensions....................................................................................... |
4 |
4. |
Electrical wiring.............................................................................................. |
13 |
5. |
Internal resistance characteristics............................................................... |
14 |
6. |
Range of usage & limitations........................................................................ |
15 |
7. |
Operation control function by the indoor controller.................................. |
16 |
8. |
User's manual................................................................................................. |
22 |
9. |
Installation manual......................................................................................... |
23 |
10. |
Application example...................................................................................... |
32 |
'11•SAF-T-161
1. What is SAF-DX
• SAF-DX is a kind of indoor unit for KX(R)E6 series categorized into the OA processing unit series.
•SAF-DX consists of indoor controller of KX(R)E6 series and an indoor heat exchanger without any blower. It can be use in combination with the MHI’s SAF unit or the total heat exchanger provided locally.
•The lineup is 5 models as shown in following table. Select SAF-DX according to the processing air volume.
Model capacity |
250 |
350 |
500 |
800 |
1000 |
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Capacity code |
22 |
28 |
36 |
56 |
71 |
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Processing air volume (m3/h) |
250 |
350 |
500 |
800 |
1000 |
•Mixed use of SAF-DX with KX(R)E6 indoor unit is available.
(Total connectable capacity of KX(R)E6 indoor units including SAF-DX must be within 100% of outdoor unit capacity)
•Connectable outdoor unit are all KX(R)E6 series (5 to 48HP)
•All two-wire remote controller are available, and all center console also can be used.
KXE6
KXRE6
SAF-DX |
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FDT |
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RC-E4 |
RC-E4 |
RC-E4 |
RC-E4 |
SL3N |
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- - |
# |
'11•SAF-T-161
•SAF-DX is a kind of indoor unit for KX(R)E6 series without any blower and fan.
•The intake OA can be conditioned in cooling or heating at the heat exchanger section of SAF-DX by utilizing the blower function of MHI’s SAF unit or the total heat exchanger provided locally.
FAN
OA
Total heat exchanger
EA
RA
SAF-DX
SA
•The control of total heat exchanger must be interlocked with SAF-DX.
•Both return air temp. control and supply air temp. control are applicable. (Switching the control method can be done with the Dip-SW on the control PCB.)
OA 
EA 
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RA |
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Total heat |
Return/fresh air |
SAF-DX |
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exchanger |
temp. sensor |
supply/fresh air |
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temp. sensor |
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SA
Control of total heat exchanger |
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interlock |
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must be interlock with SAF-DX |
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Switching between return/supply air temp. control
- -
- -
PCH000Z360
0RGHOV |
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SAF-DX250E6 |
SAF-DX350E6 |
SAF-DX500E6 |
SAF-DX800E6 |
SAF-DX1000E6 |
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Specifications .2
161-T-'11•SAF
- -
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337 |
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220 |
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180 |
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27 |
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67 |
PCH000Z367 |
285 |
315 |
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220 |
C |
64 |
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150 |
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φ |
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160
170 170
340
450
40
71
67
B
A
Control box
90
260 |
40 |
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Suspension bolts pitch |
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Air supply duct |
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18 70 |
pitch |
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337 |
bolts |
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Suspension 362 |
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373 |
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70 |
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18 |
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Outdoor air duct |
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G170 340170
Label,model name |
D |
160 |
264 |
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E |
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F |
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φ
150
Symbol |
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Contents |
A |
Gas piping |
φ9.52 3 8" Flare |
B |
Liquid piping |
φ6.35 1 4" Flare |
C |
Drain piping |
VP20 |
D |
Hole for power source line |
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EWiring hole for total enthalpy heat exchanger
F |
Hole for communication line |
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G |
Suspension bolts |
M10 |
Remote controller Option
□120 19
Space for installatin and service
100 200
□450 |
Inspection hole |
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dimensions Exterior .3 pump Drain Without (1) DX350E6 DX250E6,-SAF Models
161-T-'11•SAF
- -
337
220
180 27
67
PCH000Z366 |
315 |
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285 |
220
64 |
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200 |
C |
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φ |
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160 |
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212.5 |
212.5 |
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425 |
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40 |
345 |
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40 |
71 |
Suspension bolts pitch |
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67 |
Air supply duct |
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450
B
A
Control box
18 70 |
pitch |
337 |
bolts |
Suspension 362 |
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373 |
70 |
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90 |
18 |
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Outdoor air duct |
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Symbol |
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Contents |
A |
Gas piping |
φ12.7 1 2" Flare |
B |
Liquid piping |
φ6.35 1 4" Flare |
C |
Drain piping |
VP20 |
D |
Hole for power source line |
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EWiring hole for total enthalpy heat exchanger
F |
Hole for communication line |
|
G |
Suspension bolts |
M10 |
Remote controller Option
□120 19
Space for installatin and service
G212.5 425 212.5
Label,model name |
D |
160 |
264 |
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E |
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F |
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φ 200
100 □450 200
Inspection hole
DX500E6-SAF Model
161-T-'11•SAF
- -
|
337 |
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220 |
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180 |
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27 |
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67 |
PCH000Z365 |
285 |
315 |
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220 |
64
C
φ |
250 |
|
160
320 250
570
Symbol
A
B
C
D
E
F
G
Contents |
|
Gas piping |
φ12.7 1 2" Flare |
Liquid piping |
φ6.35 1 4" Flare |
Drain piping |
VP20 |
Hole for power source line |
|
Wiring hole for total enthalpy |
|
heat exchanger |
|
Hole for communication line |
M10 |
Suspension bolts |
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450
B
A
Control box
40 |
490 |
71 |
Suspension bolts pitch |
Air supply duct |
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67 |
|
40
18 70 |
pitch |
337 |
bolts |
Suspension 362 |
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373 |
70 |
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90 |
18 |
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Outdoor air duct |
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G320 570 250
Label,model name |
D |
160 264 |
|
E |
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F |
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φ2 |
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50 |
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|
682 |
Remote controller Option
□120 19
Space for installatin and service
100 200
□450 |
Inspection hole |
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DX800E6-SAF Model
161-T-'11•SAF
- -
337
220
180 27
67
PCH000Z364 |
315 |
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285 |
220
|
64 |
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Symbol |
Contents |
|
C |
|
250 |
|
A |
Gas piping |
φ15.8 5 8" Flare |
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|||||
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φ |
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B |
Liquid piping |
φ9.52 3 8" Flare |
||
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C |
Drain piping |
VP20 |
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|||
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D |
Hole for power source line |
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E |
Wiring hole for total enthalpy |
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160 |
heat exchanger |
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F |
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Hole for communication line |
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385 |
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325 |
G |
Suspension bolts |
M10 |
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710 |
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450
B
A
Control box
40 |
630 |
71 |
Suspension bolts pitch |
Air supply duct |
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67 |
|
40
18 70 |
pitch |
337 |
bolts |
Suspension 362 |
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373 |
70 |
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|
90 |
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18 |
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Outdoor air duct |
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|
710 |
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G |
250 |
270 |
190 |
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Label,model name |
D |
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160 264 |
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E |
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F |
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-φ2 |
00 |
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2 |
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822 |
|
|
Remote controller Option
□120 19
Space for installatin and service
100 200
□450 |
Inspection hole |
|
DX1000E6-SAF Model
161-T-'11•SAF
- -
A PCH000Z372
Notes |
|
64 |
|
|
|
Symbol |
Contents |
|
1 Please local arrange connected socket for VP25. |
C2 |
|
|
150 |
|
A |
Gas piping |
φ9.52 3 8" Flare |
|
|
φ |
|
B |
Liquid piping |
φ6.35 1 4" Flare |
||
|
|
|
|
|
C1 |
Drain piping |
VP25 Notes 1 |
|
|
Drain hose Option |
|
|
|
|
|||
|
|
|
|
|
C2 |
Drain piping |
VP20 |
|
|
Local installation |
|
|
|
160 |
D |
Hole for power source line |
|
|
|
|
|
|
E |
Wiring hole for total enthalpy |
|
|
|
|
|
|
|
heat exchanger |
|
||
|
|
|
|
|
|
|
||
|
|
|
|
|
|
F |
|
|
|
|
|
170 170 |
|
Hole for communication line |
|
||
|
|
|
|
G |
Suspension bolts |
M10 |
||
|
|
|
340 |
|
|
|
|
|
27
67 62
315 285
40
71
67
C1
B
|
450 |
A |
|
Control box |
|
|
|
|
|
Lift) |
90 |
|
|
|
274 |
(Max.Drain |
295 325 |
337 |
|
|
220 |
|
G |
180 |
|
|
|
less 57 |
D |
|
or |
|
|
600 |
E |
|
|
|
|
|
F |
220 |
Label,model name |
|
|
|
260 |
40 |
|
Suspension bolts pitch |
|
|
Air supply duct |
|
|
|
18 70 |
pitch |
|
337 |
bolts |
|
Suspension 362 |
|
|
|
373 |
|
70 |
|
|
18 |
|
|
Outdoor air duct |
|
170 340170 |
|
|
|
160 264 |
|
|
φ1 |
|
|
50 |
|
Remote controller Option
□120 19
Space for installatin and service
100 200
□450 |
Inspection hole |
|
E)-DU-parts:DXA (Option pump Drain With (2) DE350E6 DX250E6,-SAF Models
161-T-'11•SAF
- -
A PCH000Z371
Notes
1 Please local arrange connected socket for VP25.
C2
Drain hose Option Local installation
C1
B
450 |
A |
|
Control box |
||
|
64 |
|
|
200 |
|
|
|
φ |
|
|
|
|
|
|
|
|
|
|
160 |
|
|
212.5 |
212.5 |
|
|
|
425 |
|
|
|
40 |
345 |
|
40 |
|
71 |
Suspension bolts pitch |
|
||
67 |
Air supply duct |
|
||
|
|
|
18 70 |
pitch |
|
|
|
337 |
bolts |
|
|
|
Suspension |
|
|
|
|
|
373 |
|
|
|
70 |
|
Symbol |
|
Contents |
A |
Gas piping |
φ12.7 1 2" Flare |
B |
Liquid piping |
φ6.35 1 4" Flare |
C1 |
Drain piping |
VP25 Notes 1 |
C2 |
Drain piping |
VP20 |
DHole for power source line
EWiring hole for total enthalpy heat exchanger
F |
Hole for communication line |
|
G |
Suspension bolts |
M10 |
Remote controller Option
□120 19
362
27
67 62
315 285
|
Lift) |
337 |
(Max.Drain |
274 |
|
220 |
|
180 |
|
|
less 57 |
|
600 or |
220 |
Label,model name |
|
90
295 325
G
D
E
F
18 Outdoor air duct
212.5 425 212.5
160 264
φ2 00
Space for installatin and service
100 200
□450 |
Inspection hole |
|
DX500E6-SAF Model
161-T-'11•SAF
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