Control Specification SiBE121021_C
122 Function and Control
Detail The followings are the examples of control which function in each mode by the electronic
expansion valve control.
★
1: When all the indoor units are operating, “liquid pipe temperature control” is conducted.
★
2: “SC (subcooling) control” is conducted for the operating indoor units, when some of the units are not operating.
★
3: “Liquid pipe temperature control for stopped room” is conducted for the non-operating indoor units.
×
{
{
{
{
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
{
×
{
×
×
×
{
×
×
×
×
×
×
×
×
{
×
{
×
×
×
{
×
×
×
{
{
{
×
×
×
×
×
×
×
×
×
×
×
{
{
{
{
×
×
×
×
×
×
×
×
×
×
×
{
{
{
{
×
{
{
{
{
×
×
{
×
×
×
×
{
×
{
×
×
{
×
{
×
×
×
×
×
×
×
×
×
×
×
×
{
×
{
×
×
×
{
×
×
×
×
×
{
×
×
×
×
×
×
×
×
×
×
Fully closed when power is turned on
Open control when starting
(Control of target discharge pipe temperature)
Control when the operating room is changed
(Control of target discharge pipe temperature)
Pressure equalizing control
Open control when starting
(Control of target discharge pipe temperature)
Control when the operating room is changed
(Control of target discharge pipe temperature)
(Defrost control)
Pressure equalizing control
Open control when starting
Continue
Pressure equalizing control
Gas pipe isothermal control
SC (subcooling) control
Control when frequency changed
Control for abnormally high discharge
pipe temperature
Liquid pipe temperature control for
non-operating units
Dew prevention control for indoor rotor
Oil recovery control
Indoor freeze-up protection control
Liquid pipe temperature control
When power is turned on
Cooling, 1 room operation
Cooling, 2 rooms operation to
Cooling, 4 rooms operation
Stop
Heating, 1 room operation
Heating, 2 rooms operation
Stop
Heating operation
Control of discharge pipe
thermistor disconnection
Stop
Operation pattern
{ : function
× : not function
(R10273)
+2 +1
+1
+1 +3
+3
+3
+2
+2
To Next Page
Loading...
Need help?
General
