Advanced Operation - O'Clair PacFIRST 4.5 MONO Manuel D'instructions

TECHNICAL MANUAL. START-UP AND OPERATION
Press the key "set" for at least 2 seconds, then enter the state of temperature setting, here the LED displays the setting tempera-

ture, then using " " key or "
press and hold it over 0.5 seconds can add or minus rapidly). After setting, press "set" again, then exit the state of parameter
setting. (The setting temp range is limited by the parameters F13 and F14; please refer to the senior operation). Pressing the key
"M" in the setting process means cancel and exit, but the setting value will not be saved.
When displaying current temperature, press "
current temperature.

Advanced Operation

Press the key "M" and hold it for
password, you can use the key "

parameter code, use " " or "
parameter after select the parameter, here you use "
or minus rapidly), then press the "set" key to return to the state of showing parameter code after finishing setting. Pressing the key
"M" can exit the parameter setting state when display the parameter code, pressing the key "M" means cancel when in the process of
setting parameter, and the parameter will not be changed.
Internal parameter code is showing bellow:
Sort Code Parameter Name
F11 Setting temperature
F12 Temperature difference
F13 Max setting temperature
Temperature
F14 Min setting temperature
Auto mode temperature
F17
difference
Evaporator sensor
F18
adjustment
F19 Temp sensor adjustment
F21 Compressor delay time
Compressor controlling
Compressor
F29 mode (temp controlling
F31 Defrost start temperature
F32 Defrost end temperature
F33 Defrost start time
Defrosting
F34 Max defrost time
F37 Defrost mode
36
How to set the temperature?

" key can change the parameter (the key "
How to read the temperature of the evaporator sensor?

" key, Controller will display defrosting temperature. Loose "
5 seconds, and if you have set the password, the LED display the "PAS" to hint you to enter the
 
" and " " to enter the password, if the password is correct, the LED will display the

" to select the parameter code. Pressing the "set" key can make it to show the value of the

" or "
Range
F14 – F13
0.1 – 20
-58 - 302
-58 – 302
3 - 20
-20 – 20
-20 – 20
0 -- 10
COOL / HEAT
/C/H
mode)
-20 – 80
0 – 100
1 – 999
Off, 1 – 99
0 - 1

" adds 0.1

" to set the parameter (pressing the key and not release can add
Factory setting Unit
/
28
/
1.0
/
35
/
10
/
3
/
0.0
/
0.0
3 min
HEAT -
/
-2 / -1 / 0
/
10 / 20
5 min
10 min
0 / 1 -

the key " " minuses 0.1
°C,

" key, then return to
Remark
The setting range is limited
by F13 and F14
Control the temperature
difference, please refer to the
temperature controlling
Notice: the controller will
follow the rule of
F14<F11<F13 forcibly, if
you find out that one
parameter can not be
adjusted, it is because the
parameter is limited by other
parameters, you must first
adjust other parameters
If F17<F12,F17=F12
admited
Adjust the outdoor machine
sensor bias
Adjust the temperature
sensor bias
COOL: refrigeration mode
HEAT: Heat mode
C/H :Auto mode
Depends on the model
Depends on the model
Off means no defrost
0:air defrost
1: 4 way valve defrost
°C,