ES AWH11-V5+, User Manual

Page: 55 / 86

3. Usage
55
Anti-freezing function can be activated, to protect the unit from damage caused by water freezing inside the unit.
Note: If unit is out of power, or water circuit is blocked, anti-freezing protection will not function properly.
Anti
-
freezing protection doesn
'
t means the anti
-
freezing protection for all water system in the house
.
Please apply other necessary anti
-
freezing protections in your house
,
to protect the house from
damage caused by freezing
.
When unit is OFF and anti-freezing protection is valid, if ambient temperature is lower than the "Anti-freezing Starting
Ambient Temperature--Primary", unit activate primary anti-freezing protection. Circulation pump will be forced to work
occasionally.
When unit is OFF and anti-freezing protection is valid, if ambient temperature is lower than "Anti-freezing Starting
Ambient Temperature--Secondary", if water outlet temperature is lower than "Anti-freezing Starting Water
Temperature--Secondary", compresor will be forced to work, until water outlet temperature is higher than "Anti-freezing
Ending Water Temperature--Secondary", or ambient temperature is higher than "Anti-freezing Ending Ambient
Temperature--Secondary".
Anti-freezing Ending Water
Temperature--Secondary
5 - 20 (in
℃ )
B9
15
Anti-freezing Starting Water
Temperature--Secondary
0 - 10 (in
℃ )
2
B8
Anti-freezing Ending Ambient
Temperature--Secondary
5
0 - 10 (in
℃ ) B7
Anti-freezing Starting Ambient
Temperature--Secondary
2
0 - 4 (in
℃ )
B6
Anti-freezing Starting Ambient
Temperature--Primary
5 - 10 (in
℃ ) B5 5
Anti-freezing Function
B4
1
0(invalid), 1(valid)
Parameter No.
Meaning Range Default Value
【 】
Backup Heating
Group C
List of parameters
Parameter No.
Meaning
Range
Default Value
Manual ON/OFF of Heater in Hot
Water Mode
C1 0 0(invalid), 1(valid)
Backup Heating Source For Hot
Water Mode
0(no), 1(yes)
C2 0
Priority Of Backup Heating Sources
For Hot Water Mode (Compared
With Unit Auxiliary Heater)
0(lower), 1(higher) C3
0
Temperature Increasement Checking
Duration in Hot Water Mode
C4
40
1 - 20(in minutes)
0 (not exceeds compressor
maximum allowable water
temperature), 40 - 65
(maximum allowable set
water temperature in
heating mode)
Maximum Allowable Set Water
Temperature in Heating Mode
C5
42
Manual ON/OFF of Heater in
Heating Mode
0
0(invalid), 1(valid)
C6
Backup Heating Source For
Heating Mode
C7
0(no), 1(yes)
1
Priority Of Backup Heating Sources
For Heating Mode (Compared With
Unit Auxiliary Heater)
C8
0(lower), 1(higher)
1
Accumulated Value between operation
time VS set temp. for Heating Mode
0 - 600 C9
45