Giatsu GIA-KJR12B Bedienungsanleitung
OWNER’S MANUAL
VRF
ENGLSIH
Thanks for choossing our product.
Please, read carefully this manual
before using the product
GIA-KJR12B
● This manual gives detailed description of the precautions
that should be brought to your attention during operation.
● In order to ensure correct service of the wired controller
please read this manual carefully before using the unit.
● For convenience of future reference, keep this manual
after reading it.
Table of Contents
Safety precautions.............................................................................................1
Overview of wired controller .............................................................................3
Outline of functions............................................................................................3
Name and function description of LCD screen of wired controller.....................4
Names of keys on the wired controller and the keypad operation descrip-
tion ....................................................................................................................7
Error alarm handling ....................................................................................... 11
Technical indices and requirements ...............................................................13
I. Safety precautions
The following contents are stated on the product and the operation
manual, including usage, precautions against personal harm and
property loss, and the methods of using the product correctly and safely.
After fully understanding the following contents (identifiers and icons),
read the text body and observe the following rules.
�Identifier description
Identifier Meaning
Means improper handling may lead to
personal death or severe injury.
Means improper handling may lead to
personal injury or property loss.
[Note]: 1. “Harm” means injury, burn and electric shock which need
long-term treatment but need no hospitalization
2. “Property loss” means loss of properties and materials.
Warning
Caution
�Icon description
Meaninglcon
It indicates forbidding. The forbidden subject-matter is
indicated in the icon or by images or characters aside.
It indicates compulsory implementation. The compulsory
subject-matter is indicated in the icon or by images or
characters aside.
Warning
Warning
Please entrust the distributor or professionals to install
the unit. The installers must have the relevant know-how.
Improper installation performed by the user without perm
ission may cause fire, electric,shock, personal injury or w
ater leakage.
Delegate
installation
Forbid
Forbid
Usage
Warning
Do not spray flammable aerosol to the wire
controller directly. Otherwise, fire may occur.
Do not operate with wet hands or let water enter the wire
controller. Otherwise, electric shock may occur.
2. Overview of wired con-
troller
2.1 Basic conditions of operating
the wired controller
1) Applicable range of supply voltage:In-
put voltage is 10V DC±10%.
2) Operating environment temperature
of wired controller: -15°C~+43°C.
3) Operating RH of wired controller: RH
40%~RH90%.
3. Outline of functions
3.1 Outline of functions
This wire controller provides the follow-
ing functions:
1) Connect with the heating water
system through the five terminals A,
B,P,Q and E.
2) Set the action mode through the
keypad operation.
3) Provide the LCD display function.
4) Provide the timing startup function.
5) Display the clock and timing startup
time signal.
3.2 Overview of power-off memory
function
Each power-off, the wire controller will
automatically record the ON/OFF state,
water temperature setting, circulating
water temperature setting and water level
setting informations before power-off;
when re-power on, the wire controller will
follow the above states and send relative
signals to the unit, make sure the unit can
be operated as the set states by the user.
But after re-power on, the clock will back
to the default value, the user has to re-
adjusted If the timer function has been
set before power-off, and the function will
be erased after re-power on, but the data
will be stayed.
4. Name and function description of LCD screen of
wired controller
RUN
Function instruction
LOCK
ERROR
SETTING
WATER
LEVEL
WATER
LEVEL
STATE
Table 4-1
No. Name
RUN
CIRCULATING
E-HEATING
CHECK
ANTI-COLD
Display when the environment temperatue is lower than 2
ć, and it will be canceled when the environment tempera-
ture is higher than 3ć
When the main unit has error and protection, it will display
the error code and protection code
When display the water level, can set the range between
2 to 4 positions
The 4 water level ranges are: 0, 50%, 75%, 100%; water
level display order: actual water level->setting water level,
can query through “Page up” and “Page down” key
Display the locking state of the wire controller
Display when press the “Check” key to query parameters
Display when the electric auxiliary heating is operated
Display when the main unit enter to circulating heating water
Display when the main unit enter to heating water
CLOCK
TIMER
PARAMETER
DISPLAY MAIN
INTERFACE
QTY. OF
ON-LINE
UNITS
Display the hour and minute, and will change as the
addition of time, the “ : ” is the second indicating icon;
display 24 hours. That displays timing setting.
a) Display water tank temperature T5 in the initial interface
b) Setting water temperature Ts: 40~60ć, default value is
56ć;
c) Circulating setting water temperature Tr, display the
circulating temperature, 30~48ć, default value is 45ć;
d) The temperature display range is T5->Ts->Tr, use the
“page up” and “page down” keys to the next page, and
at the same time display the timer setting
e) The display order of query is Outlet water
temperatureT1->Outdoor pipe temperatureT3->Outdoor
environment temperatureT4->Air exhausting tempera-
ture TP->Current of compressor A->Current of
compressor B->Electric expansion valve opening->Hot
water valve opening->Fault->Protection->Outlet water
temperature T1…
The total parallel connected unit numbers will be displayed
at the initial interface, when it is queried, will display the
address of the queried unit, and select different units with
different addresses through “increase” and “decrease”
keys.
Display the timer setting
7
5. Names of keys on the wired controller and the
keypad operation description
This figure is for reference only, the specific please prevail in kind.
MODE BUTTON
TIMER ON BUTTON
FOLLOW ME BUTTON
TIMER OFF BUTTON
ELECTRICAL
HEATER BUTTON
RESET BUTTON
ON / OFF BUTTON
ADJUST BUTTON ▲
ADJUST BUTTON ▼
SWING BUTTON
ECONOMY BUTTON
FAN SPEED BUTTON
LOCK BUTTON
TIMER
ON
TIMER
OFF
FOLLOW
ME
AUXIL
HEATER MODE
RESET LOCK
FAN SPEED
ECO
SWING TEMP
①
②
③
④
⑤
⑥
⑦
⑧
⑨
⑩
12
13
11
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