Daikin EWWQ049KAW1M - Page 17

EWWQ049~064KAW1M + ECB2+3MUBW
Packaged water-cooled water chillers
D-EOMHP01008-17EU
Operation manual
16
ANNEX I
Thermostat parameters
The default value and the upper and lower limits of the thermostat parameters are listed in the table below.
Cooling: Inlet water temperature control of evaporator Heating: Inlet water temperature control of condenser
The figures below show the thermostat diagram in case of inlet water temperature control.
147~192
98~128
■ 2 step thermostat control
147~192
98~128
■ 2 step thermostat control
■ 4 step thermostat control (default 98~128) ■ 4 step thermostat control (default 98~128)
■ 6 step thermostat control (default 147~192) ■ 6 step thermostat control (default 147~192)
0
1
2
ab
Stepnumber
Setpoint
Te mperature
0
1
2
ab
Stepnumber
Setpoint
Te mperature
0
1
4
3
2
ab
Stepnumber
Setpoint
Te mperature
0
1
4
3
2
ab
Stepnumber
Setpoint
Te mperature
0
1
6
5
4
3
2
ab
Stepnumber
Setpoint
Te mperature
0
1
6
5
4
3
2
ab
Stepnumber
Setpoint
Te mperature
INLET CONTROL Default value Lower limit Upper limit
Steplength - a
(K)
1.5 0.4 2.0
Step difference - b
(K)
0.5 0.2 0.8
Load-up time
(sec)
180 15 300
Load-down time
(sec)
20 15 300
Setpoint Cooling
(°C)
12.0 8.0 23.0
Setpoint Heating
(°C)
30.0 15.0 50.0
NOTE
The thermostat parameters mentioned above only apply to standard units.