82
13. Solar connection
Initial setting: No
System setup
12:00am,Mon
Alternative outdoor sensor
Bivalent connection
External SW
Solar connection
Select
Confirm
Set when solar water heater is installed.
Setting include items below.
Set either buffer tank or DHW tank for connection with solar water heater.
Set temperature difference between solar panel thermistor and buffer tank or DHW tank
thermistor to operate the solar pump.
Set temperature difference between solar panel thermistor and buffer tank or DHW tank
thermistor to stop the solar pump.
Anti-freezing operation start temperature (please change setting based on usage of glycol.)
Solar pump stop operation when it exceeds high limit temperature (when tank temperature exceed designated temperature (70~90°C))
14. External Error signal
Initial setting: No
System setup
12:00am,Mon
Bivalent connection
External SW
Solar connection
External Error signal
Select
Confirm
Set when external error display unit is installed.
Turn on Dry Contact SW when error happened.
(NOTE) Does not display when there is no Optional PCB.
When error occurs, error signal will be ON.
After turn off “close” from the display, error signal will still remain ON.
15. Demand control
Initial setting: No
System setup
12:00am,Mon
External SW
Solar connection
External Error signal
Demand control
Select
Confirm
Set when there is demand control.
Adjust terminal voltage within 1 ~ 10 V to change the operating current limit.
(NOTE) Does not display when there is no Optional PCB.
Analog input
[v]
Rate
[%]
Analog input
[v]
Rate
[%]
Analog input
[v]
Rate
[%]
0.0
not activate
3.9 ~ 4.1
7.4 ~ 7.6
2
.
4
0.1 ~ 0.6
45
40
45
50
55
60
65
70
7.7
80
75
80
85
90
95
0.7
10
not
activate
7.8
4.3
4.7
80
75
7.9 ~ 8.1
45
40
4.4 ~ 4.6
0.8
0.9 ~ 1.1
10
15
20
25
30
35
50
8.2
85
1.2
15
10
15
20
25
30
35
8.3
4.8
5.2
85
8.4 ~ 8.6
50
4.9 ~ 5.1
1.3
1.4 ~ 1.6
55
8.7
90
1.7
20
8.8
5.3
5.7
90
8.9 ~ 9.1
55
5.4 ~ 5.6
1.8
1.9 ~ 2.1
60
9.2
95
2.2
25
9.3
5.8
6.2
95
9.4 ~ 9.6
60
5.9 ~ 6.1
2.3
2.4 ~ 2.6
65
9.7
100
2.7
30
9.8
6.3
6.7
100
9.9 ~
65
6.4 ~ 6.6
2.8
2.9 ~ 3.1
70
*A minimum operating current is applied on each model for
protection purpose.
*0.2 voltage hysteresis is provided.
*The value of voltage after 2nd decimal point are cut off.
3.2
35
6.8
7.2
70
6.9 ~ 7.1
3.3
3.4 ~ 3.6
75
3.7
40
7.3
3.8
16. SG ready
Initial setting: No
System setup
12:00am,Mon
Solar connection
External Error signal
Demand control
SG ready
Select
Confirm
Switch operation of heat pump by open-short of 2 terminals.
Setting belows are possible
SG signal
Working pattern
Vcc-bit1 Vcc-bit2
Open
Open
Open
Short
Short
Normal
Heat pump and Heater OFF
Capacity 1
Capacity 2
Short
Open
Short
Capacity setting 1
- DHW capacity ___%
Set by SG ready setting of remote controller
- Heating capacity ___%
- Cooling capacity ___°C
Capacity setting 2
- DHW capacity ___%
- Heating capacity ___%
- Cooling capacity ___°C
(When SG ready set to YES, Bivalent control pattern will set to Auto.)
④
①
②
③
⑤
