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General Functionality
ESIE06-03
2–4
Part 2 – Functional Description
3
1
2
4
5
1.2
Preheating Operation
Outline
Operate the inverter in the open phase operation with the conditions including the outdoor air
temperature, discharge pipe temperature, and fin temperature (internal temperature of PM1).
Detail
Outside temperature
≥
10°C
−>
Control A (preheating for normal state)
Outside temperature
<
10°C
−>
Control B (preheating for increased capacity)
Control A
P
ON condition
Discharge pipe temperature
<
6°C
Fin temperature < 85°C
P
OFF condition
Discharge pipe temperature
>
8°C
Fin temperature
≥
90°C
Control B
P
ON condition
Discharge pipe temperature
<
10.5°C
Fin temperature < 85°C
P
OFF condition
Discharge pipe temperature
>
12°C
Fin temperature
≥
90°C
Summary of Contents for Altherma EKHBH Series
Page 2: ...ESIE06 03 1 2 Part 1 System Outline 3 1 1 5 ...
Page 26: ...Functional Diagrams ESIE06 03 1 26 Part 1 System Outline 3 1 1 4 5 ...
Page 32: ...Piping Diagrams ESIE06 03 1 32 Part 1 System Outline 3 1 1 4 5 ...
Page 38: ...Switch Box Layout ESIE06 03 1 38 Part 1 System Outline 3 1 1 4 5 ...
Page 58: ...PCB Layout ESIE06 03 1 58 Part 1 System Outline 3 1 1 4 5 ...
Page 60: ...ESIE06 03 2 2 Part 2 Functional Description 3 1 2 5 ...
Page 68: ...Hydro box Functional Concept ESIE06 03 2 10 Part 2 Functional Description 3 1 2 4 5 ...
Page 88: ...ESIE06 03 3 2 Part 3 Troubleshooting 3 1 3 5 ...
Page 134: ...Error Codes System Malfunctions ESIE06 03 3 48 Part 3 Troubleshooting 3 1 3 4 5 ...
Page 152: ...Additional Checks for Troubleshooting ESIE06 03 3 66 Part 3 Troubleshooting 3 1 3 4 5 ...
Page 154: ...ESIE06 03 5 2 Part 5 Disassembly and Maintenance 3 1 5 ...