51
= Supply air temperature
after the rotor.
= Function of keys up and down
for view mode 1, 2 and 4.
= Indicates Boost is active.
= Pressure compensation is active.
= CO
2
compensation is active.
= RH compensation is active..
CO2
= Indicates that the rotor is operating.
+
= heat recovery
-
= cooling recovery
= Temperature efficiency.
= Symbol indicates that
the heating coil is on.
= Symbol indicates that
the cooling coil is on.
= Week timer is active.
= Summer cooling is active.
= Outside temperature.
= Exhaust air temperature.
= Supply air temperature.
= Extract air temperature.
= CO
2
compensation is active.
= Function of A-key.
Press A-key to regulate ”boost”
of supply & exhaust air flow
= Function of B-key.
Press B-key to turn off
pressure compensation.
= Function of B-key.
Press B-key to choose
”Away” on or off.
= Function of keys up and down
for view mode 1, 3 and 4.
= Alarm
= Indicates Boost is active.
= Indicates Away is active.
= Pressure compensation is active.
= RH compensation is active.
CO2
In order to go
view mode 2
or 3 press
or .
In order to
return to view
mode 1, press .
In order to go
view mode 2
or 4 press
or .
In order to
return to view
mode 1, press .
In order to go
view mode 3
or 4 press
or .
In order to
return to view
mode 1, press .
VIEW MODE 3
= Display weekday and time.
= Indicates that Summer
cooling is active.
= Indicates that week timer
is active.
= Room temperature.
Sensor placed in room.
= Relative air humidity in per cent.
= Carbon dioxide level in PPM
(part per million).
VIEW MODE 4
(ONLY HERU
®
EC)
SYMBOLS THAT CAN BE DISPLAYED IN VIEW MODE 3:
SYMBOLS THAT CAN BE DISPLAYED IN VIEW MODE 4:
Displayes fan speed of supply and extract air in rpm.
At Constant pressure regulation the max speed, the fan speed and current pressure sensor
value is displayed in per cent.
Press key to choose
Boost off/on
of the
supply & exhaust air flow for a specific time
(time and fan speed settings during the boost
is made in the Service menu ”Boost” page 58).
When the ”plus”
symbol is displayed in the
right corner, the boost is activated.
...
VIEW MODE 1
In order to go
view mode 2, 3
or 4 press
or .
In order to
return to view
mode 1, press .
= Indicates that the rotor is operating.
+
= heat recovery
-
= cooling recovery
= Fan speed. Choose from min,
standard, medium, max.
= Symbol indicates that
the heating coil is on.
= Summer cooling is active.
= Week timer is active.
= Function of A-key.
Press A-key to regulate ”boost”
of supply & exhaust air flow.
= Function of B-key.
Press B-key to turn off
pressure compensation.
VIEW MODE 2
SYMBOLS THAT CAN BE DISPLAYED IN VIEW MODE 1:
SYMBOLS THAT CAN BE DISPLAYED IN VIEW MODE 2:
= Function of B-key.
Press B-key to choose
”Away” on or off.
= Symbol indicates that
the cooling coil is on.
= Function of keys up and down
for view mode 2, 3 and 4.
= Alarm
= Indicates Boost is active.
= Indicates Away is active.
= Pressure compensation is active.
IN VIEW MODE 1 AND 2 BOOST OFF/ON AND AWAY OFF/ON CAN BE CHOOSEN.
Press key to choose
Away off/on
.
When the symbol ”suitcase” is
displayed in the right corner, the away
mode is activated, i.e. the fan speed is
minimum.
960
1060
Extract
1270421_utg2_HERU_K_SV_EN.pdf 51
2018-03-12 10:00:18
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...
