Romstal PWSRW030B-GL, Installation Instructions Manual

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4-Usage and operation
4.2 Functions associated with the buttons
Button Unit status
Button press
I
L
I+L
J
K
J+K
L+J
Loading default values
Go up a sub-group inside the programming
area, until exiting (saving changes to EEPROM)
In the event of alarms, mute the buzzer
(if present) and deactivate the alarm relay
Access the direct parameters
Select item inside the programming area and
display value of direct parameters/conirm the
changes to the parameters
Program parameters afters entering password
Select top item inside the programming area
Increase value
Switch from standby to chiller mode (P6=1) and
vice versa
Provides immediate access to the condenser and
evaporator pressure and temperature probes and
DTE, DTC1-2
Select bottom item inside the programming area
Decrease value
Switch from standby to heat pump mode (P6=1)
and vice versa
Provides immediate access to the condenser
and evaporator pressure and temperature probes
and DTE, DTC1-2
Manual alarm reset
Mmediately reset the hour counter (inside the
programming area)
Force manual defrost on both circuits
Press at power ON
Press once
Press once
Press for 5s
Press once
Press for 5s
press once or press
and hold
press once or press
and hold
Press for 5s
Press once
press once or press
and hold
press once or press
and hold
Press for 5s
Press once
Press for 5s
Press for 5s
Press for 5s
10
4-Usage and operation
1
If you press
“ ”
,the unit will be heating mode;
If you press
“ ”
,the unit will be cooling mode;
[1]Start or stop unit
press
“
or
”
lasts 3 seconds to start or stop unit
，
the
LED display as following
：
[2]Check the setting data and amend the setting
2
）
press
“ ”
to go into parameter group.
1
1
）
press
“ ”
to go into data setting.
3
）
use
“ ”
and
“ ”
to select the
parameter group and then press
“ ”
.
4
）
use
“ ”
and
“ ”
to select the
parameter and then press
“ ”
.
5
）
after making the changes to the parameter,
press
“ ”
to confirm or
“ ”
to cancel the
changes.
1
6
）
Press
“ ”
to return to the previous menu
to save the modiications, press
“ ”
repeatedly
until reaching the main menu
4.3 Programming and saving the parameters
11