Instructions / Assembly

6
2. Restore to factory settings
Before machine startup, please press and hold ▲ ▼ button until the
controller displays rE, 6 seconds later after releasing the button, the
controller works in normal order. Then all parameters settings of the
controller have been restored to factory settings.
3. Alarm function
(1) Alarm Display:
E1 E2 E3 E4 E5
Over high
room
temperature
Over high
water
temperature
Over low
water
temperature
Room
temperature
sensor failure
Water
temperature
sensor failure
When alarm occurs, the error code and the temperature will be alternately
displayed.
(2) To suspend the alarm:
In alarming state, the alarm sound could be suspended by pressing any button,
but the alarm display remains until the alarm condition is eliminated.
4. Thermostat parameters list
Order Code Item Range
T-503
Temperature
Controller
Factory Setting
T-504
Temperature
Controller
Factory Setting
Note
1 F0
Temperature
setting
F9~F8 25 25
Constant
temperature
control
effecting
2 F1
Temperature
Difference values
-15~+5 -2 -2
Intelligent
control
effecting
3 F2
Cooling
hysteresis
0.1~3.0 0.8 0.1
4 F3 Way of control 0~1 1 0
1: intelligent
0: constant
temperature
5 F4
Alarm for over high
water temperature
1~20 10 10
6 F5
Alarm for over low
water temperature
1~20 15 15
7 F6
Alarm for over high
room temperature
40~50 45 45
8 F7 Password 00~99 8 8
9 F8
The allowed highest
water temperature
F0~40 30 30
10 F9
The allowed lowest
water temperature
1~F0 20 20