– 13 –
Air to Air Heat Exchanger with DX Coil Unit
Owner’s Manual
Air to Air Heat Exchanger with DX Coil Unit
Owner’s Manual
CAUTION
If any of the following conditions occur, turn off the main power supply switch and immediately contact the dealer:
• Switch operation does not work properly.
• The main power fuse often blows out, or the circuit breaker is often activated.
• A foreign matter or water fall inside the Air to Air Heat Exchanger with DX Coil Unit.
• When the Air to Air Heat Exchanger with DX Coil Unit does not operate even after the cause of the protective device
activation has been removed.
• Any other unusual conditions are observed.
Confirmation and check
Confirmation of error log
1. Check the errors according to the above procedure.
2. Ask an authorized dealer or qualified service (maintenance) professional to repair or maintain the Air to Air Heat
Exchanger with DX Coil Unit.
3. More details of the check code are explained in Service Manual.
When an error occurred in the Air to Air Heat Exchanger with DX Coil
Unit, the check code and the indoor unit No. appear on the display
part of the remote controller.
The check code is only displayed during the operation.
If the display disappears, operate the Air to Air Heat Exchanger with
DX Coil Unit according to the following “Confirmation of error log” for
confirmation.
When an error occurred on the Air to Air Heat Exchanger with DX
Coil Unit, the error log can be confirmed with the following
procedure. (The error log is stored in memory up to 4 errors.)
The error can be confirmed from both operating status and stop
status.
Procedure
Description
1
When
and
buttons are pushed simultaneously for 4
seconds or more, the following display appears.
If [
Service check] is displayed, the mode enters in the error
log mode.
• [01 : Order of error log] is displayed in CODE No. window.
• [Check code] is displayed.
• [Indoor unit address in which an error occurred] is displayed in
UNIT No..
2
Every pushing of [
/
] button used to set temperature, the error log stored in memory is displayed in
order.
The numbers in CODE No. indicate CODE No. [01] (latest) to [04] (oldest).
CAUTION
Do not push
button because all the error log of the indoor unit will be deleted.
3
After confirmation, push
button to return to the usual display.
Check code
Indoor unit No. in which
an error occurred
3
2
1
11
Specifications
Model with a humidifier
Model without a humidifier
* Sound Power Level is less than 70 dBA
MMD-VNK502HEXE
MMD-VNK802HEXE
MMD-VNK1002HEXE
MMD-VNK1002HEXE2
Type
Function
Cooling and heating dual purpose type
Unit configuration
Discrete type
Voltage
220-240V~, 50Hz/
220V~, 60Hz
220-240V~, 50Hz/
220V~, 60Hz
220-240V~, 50Hz
220V~, 60Hz
Equivalent HP
1.0
1.7
2
2
Refrigerant
R410A
Outdoor air
thermal load
handling
capacity
cooling
capacity
(kw)
4.10(1.30)
6.56(2.06)
8.25(2.32)
8.25(2.32)
heating
capacity
(kw)
5.53(2.33)
8.61(3.61)
10.92(4.32)
10.92(4.32)
Air Volume
m
3
/h
500/500
800/800
950/950
950/950
Fan speed
Extra
high
High
Low
Extra
high
High
Low
Extra
high
High
Low
Extra
high
High
Low
Power consumption
W
305/
365
285/
350
240/
290
530/
620
485/
575
350/
400
575
565
520
750
685
545
External Static Pressure
Pa
95/175 85/150 95/135
105/
165
85/140 90/110
110
90
115
155
110
80
Humidification level
kg/h
3.0/3.0
5.0/5.0
6.0/6.0
6.0/6.0
Sound pressure level
dB
36.5/
39.0
35.5/
37.0
33.5/
35.5
40.0/
42.0
39.0/
41.0
38.0/
39.0
42.0
41.0
39.0
42.5
41.0
39.0
External
dimensions
Height
430
430
Width
1140
1189
Depth
1690
1739
Weight
kg
91
111
112
114
MMD-VN502HEXE
MMD-VN802HEXE
MMD-VN1002HEXE
MMD-VN1002HEXE2
Type
Function
Cooling and heating dual purpose type
Unit configuration
Discrete type
Voltage
220-240V~, 50Hz/
220V~, 60Hz
220-240V~, 50Hz/
220V~, 60Hz
220-240V~, 50Hz
220V~, 60Hz
Equivalent HP
1.0
1.7
2
2
Refrigerant
R410A
Outdoor air
thermal load
handling
capacity
cooling
capacity
(kw)
4.10(1.30)
6.56(2.06)
8.25(2.32)
8.25(2.32)
heating
capacity
(kw)
5.53(2.33)
8.61(3.61)
10.92(4.32)
10.92(4.32)
Air Volume
m
3
/h
500/500
800/800
950/950
950/950
Notch
Extra
high
High
Low
Extra
high
High
Low
Extra
high
High
Low
Extra
high
High
Low
Power consumption
W
300/
365
280/
350
235/
250
505/
595
465/
555
335/
390
550
545
485
720
665
530
External Static Pressure
Pa
120/
200
105/
170
115/
150
120/
190
100/
155
105/
130
135
120
105
195
160
130
Sound pressure level
dB
37.5/
40.0
36.5/
38.0
34.5/
36.5
41.0/
43.0
40.0/
42.0
38.0/
37.0
43.0
42.0
40.0
43.5
42.0
40.0
External
dimensions
Height
430
430
Width
1140
1189
Depth
1690
1739
Weight
kg
84
100
101
103
25-EN
26-EN
+00ET99915201_00Ta.book Page 13 Tuesday, February 15, 2011 6:45 PM
