Remarks:
1. In heating mode, if the water out temperature is higher than the set temperature over 7℃, LED
controller displays EE04 for water over-heating protection.
In cooling mode, if the water out temperature is lower than the set temperature over 7℃, LED
2.
controller displays PP11 for water over-cooling protection.
For example as below:
Output water
Mode
temperature
Heating mode
Cooling mode
8.
8.
8.
Troubleshooting
Troubleshooting
Troubleshooting
EE04 Water Overheating Protection
PP11 Water Overcooling Protection
Set point
temperature
36℃
29℃
23℃
30℃
Condition
EE04 Overheating protection for
Tout -Tset ≧7℃
PP11 Too low protection for
Tset -Tout ≧7℃
- 46 -
Malfunction
water temperature (T2)
water temperature (T2)