ALUTHERM
|
Boilers 22
ALUTERM A 170 - 300
|
Installation, user and service manual
|
instructions for user
Heating
Alutherm A 170 - 300
7 Cascade
Access
to cascade information and settings
1 Cascade set
1 cascade switch del
ay
Del
ay between switching on and of di
ffe
rent boilers
2 cascade min power
Minimum power of boilers in cascade
3 Burner power
Max power of SINGLE boiler in cascade
4 Boiler for DHW
Number of boilers assigned
to DHW
5 PI loop period
Base time for PI loop calculation
6 Burner water flow del
ay
W
ater p
ropagation time del
ay
.
7 Di
ffe
rent boiler si
ze
Hete
rogeneous mode with 2 power g
roups DHW+ CH /CH only
Disabled
Disable Hete
rogeneous mode
Enabled
Enable Hete
rogeneous mode
8 Cascade pump speed max
Cascade pump full speed
9 Cascade pump min speed
Cascade pump min speed
2 Cascade info
1 Cascade
role
Role of boiler in cascade mode=
M
ASTER, S
LA
VE, TERMI
N
AL
SL
AVE. If not in cascade mode : S
TAN
D
A
LONE
2 System temperatu
re *
Cascade temperatu
re
value. Hitting OK when highlighted will open
graph that shows the latest 120
variable
values s
to
red
ev
er
y 12 minutes
(o
ver the past 24 hours). Samples will not be
av
eraged
ov
er the 12
minutes period.
3 Numbers of burners on
Number of burners that a
re switched on
4 Modulation l
ev
el
Actual pe
rcentage of cascade modulation l
ev
el
3 Cascade au
to detect
-
ration. Can only be sta
rted f
rom the master boile
r.
7 Res
to
re fac
to
ry settings
Pr
essing OK
all
the
ad
vanced
settings will
be
res
to
red
to
the
orig
-
inal fac
to
ry defaults
1
1
Do not pe
rform a fac
to
ry
reset prior
to consulting with
RVR Ene
rgy
Technology Ltd. Depending on the
