57
SERVICE MENU: “AC FAN SETUP”:
(NOT USED)
When adjusting the unit, the speed is set to
standard and functions that may affect the
fan speed, such as “Away” and “Boost”,
is inactivated.
SERVICE MENU: “FILTER MEASUREMENT”
Filter measurement HERU
®
EC
without
CPC:
Filter measurement becomes active when ”Filter control” is selec-
ted in menu ”Pressure inputs”.
If filter switches are installed and activated, weekday and time is set when the unit
should boost to measure the pressure drop in supply air filter
GP1
and exhaust air filter
GP2
.
HERU
®
EC
with
CPC:
Filter measurement becomes active if the analog pressure sensor is choosed and CPC
(Constant Pressure Control) is activated, and benchmarks are set and saved.
Alarm is displayed when the bench-
marks and increased fan speed exceeded set value. In this case with 15% to keep constant pressure in duct. It is
possible to choose
5-50%
increased speed or ”
Off”
to deactivate.
HERU
®
AC (Not used):
If filter switches are installed and activated, weekday and time is set when the unit
should boost to measure the pressure drop in supply air filter
GP1
and exhaust air filter
GP2
.
If
no
filter switches or pressure sensor are selected this is displayed:
SERVICE MENU: “EC FAN SETUP”:
(ONLY FOR HERU®EC)
Fan speed settings for EC fans. No CPC.
The relation between supply and extract air is also retained at the other speeds.
The ratio between supply and extract air is adjusted only in standard mode.
CPC (Constant Pressure Control) deactivated.
With the CPC activated the set value is displayed (current value).
To change set value choose
”To Constant pressure
”.
See ”Constant pressure” page 56.
Pressure inputs
Filter measurement
EC fan setup
Display contrast
Enter
Are you sure?
Should not be
changed by user!
Standard (%)
Sup: 60%
Exh: 70%
Enter
EC fan setup
Standard
Min
Medium
Cancel Ok
A
Minimum
Min: 20%
Enter
EC fan setup
Standard
Min
Medium
Minimum
Min: 20%
Enter
Up
Down
Standard (CPC)
Sup: 90Pa (45%)
Exh: 110Pa (50%)
Go to CPC
Standard (%)
Sup: 60%
Exh: 70%
Enter
Up
Down
Standard (%)
Sup: 60%
Exh: 70%
Enter
Up
Down
Cont.
Cont. next line.
(Sup: 16%)
Exh: 20%
Tilluft: 60%
Frånluft: 70%
(Sup: 16%)
Exh: 20%
Service menu
Servicemeny
Filtermätning
EC-motor setup
Display kontrast
EC-motor setup
Standard
Min
Medium
--Fan speed--
Standard
Service menu
Service menu
Service menu
Ext:
Ext:
Ext:
Ext:
Filter measurement
AC fan setup
Display contrast
1270421_utg2_HERU_K_SV_EN.pdf 57
2018-03-12 10:00:22
Summary of Contents for HERU 70 K EC
Page 12: ...12 REGLERSCHEMA HERU K SOM VISAR SAMTLIGA GIVARE FL DESRIKTNING H GER GT7...
Page 34: ...34...
Page 35: ...35...
Page 37: ...37...
Page 48: ...48 CONTROL DIAGRAM HERU K SHOWS ALL SENSORS FLOW DIRECTION RIGHT GT7 EXHAUST AIR EXTRACT AIR...
Page 70: ...70...
Page 71: ...71...
Page 79: ...79 WIRING DIAGRAM KOPPLINGSSCHEMA 4040203 HERU 70 K A With electrical heater Med elv rmare...
