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Air to Air Heat Exchanger with DX Coil Unit
Installation Manual
EN
Air to Air Heat Exchanger with DX Coil Unit
Installation Manual
Abnormal signal / bypass mode signal output setting
Terminals 3 to 5 for external output can be used to detect an abnormal signal / bypass mode signal output. Output
signal to be detected can be selected.
* Adjust this setting for the Air to Air Heat Exchanger with DX Coil Unit to which an external output is connected.
* When [0000] is selected, signal transfer is on if one of the units in the group has trouble.
• Select [EE] in step 3 on page 18.
• Select a value from the table on the below in step 4 on page 19.
Code
SET DATA
0000
0001
EE
Changing the abnormal signal /
bypass mode signal output
ON when an abnormal signal is
detected
(Factory default)
ON when the bypass mode signal
is detected
0000: Signal transfer is on when an abnormal signal output is detected.
0001: Signal transfer is on when the bypass mode signal output is detected.
* Signal transfer is on during nighttime heat purge operation.
* Signal transfer is off when the nighttime heat purge operation is on standby. (paused before the monitoring
operation of the nighttime heat purge operation starts)
14
Fan characteristics
◆
MMD-VNK502HEXE-TR
Standard air volume: 500 m
3
/h, Lower limit air volume: 330 m
3
/h, Upper limit air volume: 600 m
3
/h
◆
MMD-VN502HEXE-TR
Standard air volume: 500 m
3
/h, Lower limit air volume: 330 m
3
/h, Upper limit air volume: 600 m
3
/h
0
100
200
300
400
500
0
200
400
600
800
-2.0
-1.0
0.0
1.0
2.0
3.0
Ex
te
rn
al
st
at
ic
pre
ss
ure (
P
a)
Air volume (m
3
/h)
Cu
rr
e
nt
(A)
Low
High
Extra
High
Low
High
Extra High
0
100
200
300
400
500
0
200
400
600
800
-2.0
-1.0
0.0
1.0
2.0
3.0
Ex
te
rnal
s
ta
tic
pr
es
su
re
(Pa)
Air volume (m
3
/h)
Cu
rr
en
t (
A
)
Low
High
Extra High
Low
High
Extra High
43-EN
44-EN
+00ET99805001-2.book Page 22 Tuesday, July 26, 2011 1:39 PM
