English
51
SysAer
M
ain
menu Q0
Item
Scr
een
code
Par
ame
ter
Unit
Min
Fact
.
M
ax
Descrip
tion / No
te
SER
VICE
Ec
onomiz
er
/3 damper
s
Pi
Minimum opening
se
tting
Analog In. B2 / M
anual
M
anual
Choic
e o
f the me
an t
o se
t the minimum E
conomiz
er
opening
when the unit is oper
ating
in normal mode (
no
t unoc
cupied
). In manual, the se
t opening is dir
ectly
a
per
cen
tage
. By
analog input
, the B2 input is used and mus
t be c
on
figur
ed.
M
anual min. opening
%
0
20
100
Displa
yed if manual is select
ed
Analog Input type
0-1V
, 0-5V
0-20mA
,
4-20mA
0-5V
Displa
yed if analog input is select
ed.
0-1V
, 0-20mA
and 4-20mA
mus
t be e
xt
ernal
ly
supplied.
0-5V
can be gener
at
ed using the 0-5V
supply
fr
om the J9 c
onnect
or
o
f the PC boar
d.
Win
ter
s
tart
Normal /
Closed
Normal
In
win
ter
s
tart
-up (
unit se
t fr
om OFF t
o ON
),
when this par
ame
ter
is se
t t
o closed
,
the E
conomiz
er
wil
l s
ta
y t
ot
al
ly
closed un
til the r
oom t
emper
atur
e r
eaches the
se
tpoin
t.
Pj
Smok
e de
tection
Closed
/Open
Closed
Ec
onomiz
er
beha
viour
when smok
e is de
tect
ed (
op
tion
). Open c
orr
esponds t
o
100%.
Supply
air
temper
atur
e
limit
ation
Pk
Enabling
N/
Y
Y
This function is activ
e in summer
and
win
ter
(including
win
ter
fr
eec
ooling
) (
op
tion
).
Se
tpoin
t
°C
0
8,0
30,0
Minimum
supply
temper
atur
e
In summer
, belo
w
this
value
, the E
conomiz
er
is se
t t
o the minimum opening and the
compr
es
sor
s ar
e s
topped. In
win
ter
, the E
conomiz
er
closes t
o the minimum position
and the ho
t w
at
er
coil
valv
e is open (
op
tion
).
Diff
er
en
tial
°C
0
2,0
10,0
Temper
atur
e band t
o pr
ogr
es
siv
ely
close the E
conomiz
er
(when open b
y fr
eec
ooling
or
air
quality
in summer
and
win
ter
) and s
top the c
ompr
es
sor
s (
in summer
)
He
at r
ec
ov
ery
Pl
Enabling
N/
Y
Y
NA
Diff
er
en
tial win
ter
°C
0
6,0
20,0
NA
Minimum damper
opening
%
0
20
99
NA
Pm
Summer
enabling
N/
Y
N
NA
Diff
er
en
tial summer
°C
0
10,0
20,0
NA
Se
tpoin
t
compens
ation
Pn
Enabling
N/
Y
N
See the Se
tpoin
t c
ompens
ation part (
op
tion
).