27
*
1
The system is locked to operate without COOL mode. It can be unlocked only by authorised installers or our authorised service partners.
*
2
Only displayed when COOL mode is unlocked (This means when COOL mode is available).
Setting Options / Display
Default Setting
Menu
5.19
Heat-Cool SW
No
5.20
Force heater
To turn on Force heater either
manually (by default) or
automatically.
Manual
5.21
Force defrost
If auto selection is set, the
unit will start defrost operation
if long heating hour operate
during low outdoor temperature.
Manual
5.22
Defrost signal
To turn on defrost signal to stop
fan coil during defrost operation.
(If defrost signal set to yes,
bivalent function will not
available to use)
No
5.23
Pump flowrate
To set variable flow pump
control or fix pump duty control.
T
6 Installer setup Operation setup
To access to the four major
functions or modes.
4 main modes
Heat / *
1,
*
2
Cool / *
1,
*
2
Auto / Tank
6.1
Heat
To set various water & ambient
temperatures for heating.
Water temp. for heating ON /
Outdoor temp. for heating OFF /
T for heating ON /
Heater ON/OFF
Water temp. for heating ON
Compensation curve
Heating ON
temperatures in
compensation curve
or direct input.
