System Set-Up
42
Hydro Kit
• Function Code 28 and 29 : Setting control parameter for Sanity water heating operation
Descriptions for each parameters are as following.
- Value #1 of Function Code 28 : temperature gap from Value #2 of Function Code 28.
- Value #2 of Function Code 28 : maximum temperature.
- Example : If Value #1 is set as ‘5’ and Value #2 is set as ’80’, then water tank heating will be
started when the water tank temperature is below 75°C(167°F).
- Value #1 of Function Code 29 : temperature gap from target Domestic Hot Water temperature.
- Value #2 of Function Code 29 : Determining heating demand priority between Domestic Hot
Water tank heating and under floor heating.
- Example : If user’s target temperature is set as ’50’ and Value #1 is set as ‘3’, then water tank
heating will be turned off when the water temperature is above 53°C(127°F). Water
tank heating will be turned on when the water temperature is below 50°C(122°F).
- Example : If Value #2 is set as ‘0’, that means heating priority is on Domestic Hot Water heat-
ing, In this case the under floor can not be heated while Domestic Hot Water heat-
ing. On the other hand, if the Value #2 is set as ‘1’, that means heating priority is on
under floor heating, Domestic Hot Water tank can not be heated while under floor
heating.
Domestic Hot Water heating does not operate when it is disabled.
Enabling / Disabling Domestic Hot Water heating to operate is determined by pushing
button.
When icon is displayed on the remote controller, Domestic Hot Water heating is en-
abled. (by button input or scheduler programming)
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