Cooling Heating Pump
7.2 Operating instructions of buttons
1 Startup/shutdown button
Under power-off state, press the button, the startup indicator lamp
is turned on, and the wired controller enters power-on state, and in
the meanwhile, such information as temperature value, timing,
and so on is set. Under power-on state, press the button, the
startup indicator lamp is turned off, and in the meanwhile, the
information of shutdown is sent.
2 Mode selection button:
Under power-off state, press the button to select operating mode
of the unit. Under power-on state, the button is invalid.
Mode switching sequence is as follows:
3 Manual/auto button:
Press the button, to select “auto mode” or “manual mode”. When
selecting manual mode, the number of the units to be started up
can be increased or decreased through “page up (tempe)”
and “page down (temperature -)”.
4 Query
Press the button, to inquire state information of No.0 to 15 outdoor
units (the default is state information of No.0 unit) and enter
inquiry state. After entering inquiry state, inquire the information of
the former unit or the following unit through “address increase”
and “address decrease”. After a certain outdoor unit is selected,
state information of the outdoor unit can be inquired through “page
up” and “page down”. The inquiry sequence is outlet water
temperature—outdoor pipe temperature T3—outdoor ambient
temperatures—current of the compressor A—current of the
compressor B—fault—protection—outlet water temperature…….
Because there are many outdoor fault and protection codes, the
wired controller only displays the fault information and the
protection information with highest priority, when query is
conducted on fault and protection information.
5 Auxiliary electric heat button (reserved function)
Press this button under heating mode to start the Forced Start
function of auxiliary electric heater and the LCD will show the
corresponding icon. Press this button once more to switch off the
function. This button is invalid under other modes. This function is
invalid for air cooling modular unit.
6 7 Timer function
Once "Timer On" button is pressed, the hour and minute of
On-Timer flash with 2HZ and do not flash when they are adjusted;
flashing continues 2 seconds after adjustment is stopped. Press
“Timer On” once to adjust the setting hour, which flashes with
2HZ. Adjust the hour by pressing “Page-up (temp)”and
Page-down (temperature-)”, and press "Timer" once more to
adjust the setting minute, which flashes with 2HZ, and then adjust
the minute by pressing “Page-up (temp)”and Page-down
(temperature-)”.If no adjustment is made 8 seconds after entering
the time setting state, the time setting state will be off and the set
time will be the current set time. Press “Timer Off” button to set the
Switch time off in the above way. Extended press on “Timer On”
can cancel the time setting of Timer On, and the same is true for
“Timer Off”.
8 Temperature setting button
To set the total outlet water temperature under refrigerating and
heating modes, and the temperature of water cabinet or water
tank under heating water mode.
9 OK button
Press OK button after operation is finished and the wired
controller will send the order to the main engine.
10 Address decrease
Press the button under Spot check display state to select the
previous modular unit to display its operation state data. If it
comes to 0# modular unit, select 15# unit after pressing the
button.
Press this button for address decrease when setting wired
controller address and press this button to change the wired
controller address into 0 when the address is 15.
11 Address increase
Press the button under Spot check display state to select the
next modular unit to display its operation state data. If it comes
to 15# modular unit, select 0# unit after pressing the button.
Press this button for address increase when setting wired
controller address and press this button to change the wired
controller address into 15 when the address is 0.
12 13 Page-up and Page-down button (tempe -)
To increase or decrease the number of units operation. To spot
check the operation parameters of unit in the main menu. To
increase or decrease the set temperature in the temperature
setting page. To adjust the time of ON/OFF timer.
14 Reset button (built-in)
Press this button with a small round stick of 1mm diameter to
cancel the current setting, and the wired controller enters reset
state and return to default setting.
15 Lock button (built-in)
Press this button with a small round stick of 1mm diameter to
lock the current setting, and press this button once more to
cancel the lock.
16 Address setting button (built-in, reserved function)
After this button is pressed, the wired controller address is set
through “address increase” and “address decrease”, with wired
controller address range “0~15”, parallel connection for 16
wired controllers at most.
This function is only applicable to the parallel connection of
multiple wired controllers. In case of single wired controller, no
setting is needed as the default address has been set as “0”
before the wired controller leaves the factory.
Network ON
ć
A
#
#
#
O&I manual
18
Summary of Contents for ICHS-420KC-5
Page 33: ......
