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NRC-100 DisplaY
1.1 user interface
The user can control the status and
programming of the controller using the
display and four keys.
If err6 is displayed, see 1.7 Display signals.
If the display is locked, see 1.1 Locking and
unlocking the display.
1.2 keys and menus
up key – Scrolls through the menu items,
increases the values and activates the
manual defrost function
DoWN key – Scrolls through the menu
items, decreases the values
fNC key – Exit function, accesses the
menu
ok key – Accesses the menu, confirms the
commands
1.3 accessing and using menus
Resources are arranged in a menu that can
be accessed by pressing a key:
1.4
Measuring menu (fNC key),
1.5
User menu (fNC key held down 5
seconds) and
1.6
Service menu (ok key held down
5 seconds). The service menu is
password-protected. After pressing
and holding the ok key for 5 seconds,
four
zeros
password is 1953. Set the first number
using the up or DoWN keys. To move
to the next number (left to right), press
ok.
(0000)
appear.
1.4 measuring menu
To browse the menu parameters, press the
up or DoWN keys. To see the value of a
parameter, press ok.
sett – Setpoint value
Nd – Next defrost time (hh.mm)
pb 1..5 – Temperature: 1=Thermostat probe;
2=Evaporator
4..5=Condenser alarm probes
C on – The compressor that is on (0, 1, 2
or 12)
C1 t – Compressor 1 working hours * 10
C2 t – Compressor 2 working hours * 10
1.5 user menu ≡st1 (≡st2 if in use)
To access the contents of a folder, press
the ok key. To browse other folders in the
menu, press the up or DoWN key.
setpoint value group1 – folder (≡st1):
st1 – Setpoint value1
dif1 – Differential. The compressor stops
upon reaching the setpoint value and
restarts at the temperature value equal to
the setpoint plus the value of this difference.
Must be a positive value.
dlt1 – Interval between defrost
det1 – Maximum duration of defrost
dst1 – Defrost stop temperature
dt1 – Drying time starts when defrost stops.
This time allows the evaporator to eliminate
water drops that might have formed due to
defrost.
setpoint value group2 – folder (≡st2)
(only if group 2 is in use):
st2 – Setpoint value2
dif2 – Differential. The compressor stops
upon reaching the setpoint value and
The
restarts at the temperature value equal to
the setpoint plus the value of this difference.
Must be a positive value.
dlt2 – Interval between defrost
probe;
=Cabinet
Norpe Oy 8/2007
probe;
15
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