ACV International
37
E
Min. Supply temperature during OT demand
(OT= OpenTherm thermostat)
40
40
40
40
Adjustment range 10°C to 60°C
E.
OT response
1
1
1
1
0= ignore OT if < E
1= limit OT if < E
2= OT on-off
F
Start rpm CH
70
70
50
50
Adjustment range 50 to 99% of the set maximum rpm
F.
Start rpm DHW
70
70
50
50
Adjustment range 50 to 99% of the set maximum rpm
h
Max. fan rpm
44
44
45
65
Adjustment range: nominal value ± 200 rpm.
With this parameter the maximum rpm can be set.
n
Set point CH (flow temperature) during
heating external DHW tank
85
85
85
85
Adjustment range 60°C to 90°C
n
.
Keep hot temperature Eco/Comfort mode
0
0
0
0
Not applicable
O
.
Delay time for responding on CH demand
0
0
0
0
Not applicable
o
Waiting time after a DHW demand before a
CH demand is answered
0
0
0
0
Adjustment range 0 to 15 minutes
o
.
Eco days
3
3
3
3
Not applicable
P
Anti cycle time (Delay time reacting on CH
demand after exceeding maximum setting CH
temp.)
5
5
5
5
Adjustment range 0 to 15 minutes
P
.
Ref.value DHW
36
36
36
36
Not applicable
q
Summer mode
0
0
0
0
0 = Summer mode can not be act ivied
1 = Summer mode can be activied set with
button
(“Su” shown in the display when active)
2 = Summer mode can be activied set with
button
(“So” shown in the display when active)
3 = Summer mode can be activied set with
button
(“Et” shown in the display when active)
r
0
0
0
0
Not applicable
7.4
Activating and de-activating DHW comfort
It is possible to control the heating of an external DHW tank by using an Open Therm room
thermostat on the condition that the room thermostat supports this functionality.
For this the setting on the display for DHW comfort must be on “Eco (upper LED on) and the
parameter o
.
must be set to 0
.
