Various Settings; Manual Device Operation; Compressor Hour Counter And Maintenance Alarm; Set Point Variation From Digital Input - Carel MRK0000000 User Manual

6 Various se ettings
6.1 Manual d device oper
The in dividual devices c can be activated m
param eters Mxx.
The on nly support provid ded in manual ope
The m anual activation o of the speed contr
When even just one ma anual procedure is
If switc ching the board of ff and on again, th
Impor rtant: Use this fun nction with care!
6.2 Compres sor hour co
Param eter C07 is used t to set the alarm th
This pa arameter is expres ssed in the hundr
Param eters C08 C10 C1 12 C14 are used t
These parameters are al lso expressed in t
Param eters C09 C11 C1 13 C15 are used t
The co ompressor mainte enance alarm is sh
6.3 Set point t variation
This fu unction is useful w when needing to in
An offs set is added to the e compressor set
The of ffset can be define ed using paramete
6.4 Type of r refrigerant
By sele ecting the type of refrigerant used i
The fo llowing table lists the types of gas m
6.5 Auxiliary y probe ma
The so oftware can manag ge two auxiliary te
The tw wo probes can be configured with p
No. Channel N NTC probe
1
B2 -r room temperature
-a auxiliary probe
2 B3 -o outside temperatu
-a auxiliary probe
If the a auxiliary probe sel lected, a high tem
Examp ple of HT alarm m management
Diff. 2°C
Set Poi
Alarm OF FF
Cod. C CAREL +03P220 0431 rel. 2.2 date
ration
manually, ignoring g the times and th
eration is the alarm m management fu
rollers sets the cor rresponding outpu
s enabled, the "M ANUFACTURER" i
he function is term minated.
! Operating the d devices manually
ounter and maintenan
hreshold for the m maintenance of th
reds of hours, as t he resolution of th
to check the num ber of operating h
he tens of hours, as the resolution
to reset each indiv vidual hour count
hown by an alarm code, as well as b
from digita al input
ncrease or decrea se the set point d
point when the m multifunction input
er R34.
n the installation( (parameter /35), t
managed:
Refrigeran nt
R134a
R290
R600
R600a
R717
R744
R404A,R40 07C,R410A,R507C
nagement
emperature probe es, in addition to th
parameters /21 an nd /22:
e probe, read-only y
ure probe for Floa ting condenser co
mperature threshol ld can be set (par
C
Alarm ON N
temperature
nt
Fig. 6.a a
d 10/02/12
he rotation, and i ndependently fro
unction.
uts to the maximu um value.
icon on the displa ay will FLASH!
y may cause dam mage to the insta
nce alarm
e 4 compressors.
he display is only 3 digits.
hours of the comp pressors installed.
of the display is o only 3 digits.
ter.
by the simultaneo ous activation of th
during night-time o operation.
t, set for this func ction, is closed.
the software will a automatically calcu
Co omplete name
Te etrafluoroethane
Pr ropane
Bu utane
2- -methyl propane (
Am mmonia (NH3)
Ca arbon dioxide (CO
C Mixes of gases M
Tab. 6.a
he suction and di scharge probes.
ontrol
Tab. 6.b
rameter A16, A17 ). This alarm has a
22
m the temperatur re control functio
llation!
he Maintenance a nd Alarm icons.
ulate the conversio on of the pressure
(isobutane)
O2)
automatic reset, w with a fixed differe
µRack
ns, by setting the related
e to temperature.
ential of 2°C.