Control Of Indoor Unit; Thermostat-Control - Daikin VRV Service Manual

Control of Indoor Unit

4. Control of Indoor Unit
4.1

Thermostat-control

4.1.1 Operation Range of Remote Controller Thermostat
Room temperature is controlled by remote controller thermostat side and suction thermostat
(body-thermostat) on indoor unit side.
(However, when remote controller thermostat is set to "Not used " with field setting, the unit can
be controlled only by body-thermostat.)
Preset temperature
(TS)
34
In cooling operation
32
30
28
26
24
22
20
12 14 16 18
Preset temperature
(TS)
30
28
In heating operation
26
24
Body-thermostat
22
Body-thermostat
20
18
16
15
12 14 16 18
Note: When the outdoor air (OA) mixed with indoor air is sucked, the room temperature may happen
to be out of the set temperature because the air temperature is out of the area of "operation
range of remote controller thermostat ". In such a case, install the remote controller thermostat
in the room where there is no influence of outdoor air.
28
Remote controller thermostat
Body-thermostat Body-thermostat
Body-thermostat Body-thermostat
20 22 24 26 28
Suction temperature (TH1)
Remote controller thermostat
Remote controller thermostat
20 22 24 26 28
Suction temperature (TH1)
30 32 34
Body-thermostat
Body-thermostat
30 32 34
Range in which remote controller thermostat
can be used
Range in which body-thermostat can be used
Differential
Switching point between remote controller
thermostat and body-thermostat
Basic Information
Si30-408