HTW VAW 2 - Parameter Checking and Adustment; Parameter List

PARAMETER CHECKING AND ADUSTMENT
Parameter list
Some system parameters can be checked and adjusted by the controller. Below is the parameter
list:
Parameter
No.
Description Range Default Remarks
0
Tank water setting temp. 10 ~ 70°C 50°C Adjustable
1
Water temperature
gap to restart
2 ~ 15°C 5°C Adjustable
2
E-heater off tank water temp 10 ~ 85°C 55°C Adjustable
3
E-heater delay time 0 ~ 90min 6 t * 5 min
4
Week disinfection temperature 50 ~ 70°C 70°C Adjustable
5
High temp disinfection time 0 ~ 90 min 30 min Adjustable
6
Defrosting period 30~90 min 45 min Adjustable
7
Defrosting entry coil temp. -30 ~ 0°C -7°C Adjustable
8
Defrosting exit coil temp. 2 ~ 30°C 13°C Adjustable
9
Max defrosting cycle period 1 ~ 12 min 8 min Adjustable
10
Electronic expansion valve
adjustment
0/1 1
Adjustable
(0-manual， 1-auto)
11
Target over-heat degree -9 ~ 9°C 5°C Adjustable
12
Steps of manually adjusting the
electronic expansion valve
10 ~ 50
step
35 step Adjustable
13
Disinfection
adjusting
start up time
0~23 23 Adjustable(hour)
14
Parameter of solar water pump 0/1 0
Adjustable (0 without water
pump，1with water pump)
15
Solar water pump star return
difference
2-20℃
10 Adjustable
16
High temp disinfection
frequency
7-28day 7 Adjustable
17
Temperature setting
method
0/1 1
18
Set temperature when light
source is present (PV is on)
10 ~ 70°C 60
19
Set temperature when no light
source (PV is alternating)
10 ~ 70°C 50
86
20
When electric anode is defective,
heat pump working time
0-7 días 3
21
Upper limit of electric anode
voltage
3.5-4.5V
4.0V
22
Lower limit of electric anode
voltage
1.0-2.0V 1.5V
Adjustable
Adjustable
Adjustable (0 without water
pump，1with water pump)
Adjustable
Actual=set value x10
Adjustable
Actual=set value x10
Adjustable