Carel uRack User Manual

Cod.
C
4.7
4.7.1
The h
a
mediu
speed
Below
This t
y
1
2
4.7.2
Low p
r
Low p
r
High
p
Temp
e
Temp
e
4.8
The fo
Time
b
Param
This a
p
Mini
m
Sets t
h
R
C
m
C
AREL +03P22
0
Special
M
Manageme
n
a
rdware features
o
m installations, h
a
managed by the
is an example di
a
y
pe of system can
1
. the compre
s
2
. the max nu
m
allocated to
Probes and
Functio
n
r
essure circuit 1
r
essure circuit 2
p
ressure circuit di
s
e
rature 1
e
rature 2
Compres
llowing is a list of
b
etween stop re
q
eter C06 sets a st
p
plies both in the
m
um compressor
h
e minimum time
m
p
0
431 rel. 2.2 date
M
T-LT unit
s
nt of compresso
o
f the µRack cont
r
a
ving the advanta
speed controller
o
a
gram:
be controlled by
s
sors must have t
h
m
ber of compres
s
probe LP1, and t
h
values controll
e
n
s
charge
sor time s
e
all the time para
m
q
uests with HP
p
t
op delay betwee
n
dead band and i
n
ON time
the compressors
Fig 4.f
TMinOn
Fl
o
d 10/02/12
s
r racks with LT a
r
oller can be ada
p
ge of being com
p
o
r external press
u
µRack in the foll
o
h
e SAME CAPACI
T
s
ors in the MT un
i
h
e other compre
s
e
d
B4 (pressure)
B1 (pressure)
B1 (pressure)
B2 (temperatu
r
B2 (temperatu
r
B3 (temperatu
r
e
ttings
m
eters used for c
o
p
revent active
n
one compresso
r
n
the proportiona
stay on, that is,
o
o
ating condenser SET
Condense
r
Liquid r
e
nd MT circuits a
p
ted for the contr
o
p
act and offering l
re switches, and
s
o
wing conditions:
T
Y
i
t and LT unit is 4.
sor rack to probe
Input
r
e)
r
e)
r
e)
o
mpressor mana
g
r
and the next, if t
h
l band.
nce activated, m
u
T[s]
T[s]
Do
u
co
m
e
ceive
r
16
nd condenser o
n
o
l of a special typ
e
l
ow cost solution
s
s
eparate manage
m
Fig 4.
e
.
There can there
f
LP2.
C
LP1
LP2
HP
B2
B3
g
ement (and not
he high pressure
u
st remain on for
t
K
e
R
C
m
T
M
T
u
ble circuit
m
pressor uni
t
µR
a
n
ly.
e
of compressor
r
s
. These are com
p
m
ent of the com
p
e
f
ore be combinati
o
o
de on display
capacity contr
o
prevention (prev
e
t
he time set by th
e
y:
Com
p
m
p Com
p
M
inOn Mini
m
Time
ac
ack that is becom
ressor racks with
p
ressors in the M
T
o
ns of 2+2, 3+1,
Type of u
n
A- Single cir
c
B- Compres
s
A -B
B
A (press –
t
B (only te
m
A
(AUX pr
o
B (not use
d
A
lways pre
s
o
l).
e
nt) function is a
c
is parameter (pa
r
ressor call
resso
r
m
um ON time
m
ing more widely
only the conden
s
T
and LT units.
1+1. One compr
e
n
it:
c
uit compressor rac
s
or racks with 2 circ
temp)
m
p)
o
be)
d
)
e
sent
c
tive.
r
ameter C01).
MT display cabinet
group
LT display cabine
t
u
sed in small an
d
s
ing section, and
w
e
ssor rack will be
k
uits M
T
-BT
T
µRack
d
w
ith fan
T
ab 4.b
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Carel uRack Specifications

General

Brand	Carel
Model	uRack
Category	Control Unit
Language	English