6
2.3.
Product card information
Itho Daalderop
BTV
Description
Symbol
Unit
BTV-ssst
BTV-ssst T
BTV-ssst HT
Specific energy consumption class
- —
- —
F
D
D
Specific energy consumption, under cold climate conditions
SEC
kWh/(
m2
.a)
-23
-48
Specific energy consumption, under moderate
climate conditions
SEC
kWh/(
m2
.a)
-9
-23
Specific energy consumption, under warm climate conditions
SEC
kWh/(m2.a)
-2
-9
Type of ventilation unit
VE
- —
Residential ventilation unit (RVE) One-way ventilation
unit (EVE)
Type of drive
- —
- —
On/Off
Type of heat recovery system
HRS
- —
No
Thermal efficiency of the heat recovery system
ƞ
t
%
Not applicable
Maximum flow rate
qmax
m3/h
78
Electrical input power of the fan drive, at
maximum flow rate
Pmax
W
10,3
Sound power level
LWA
dB
50
Reference flow
qref
m3/s
0,0217
Reference pressure difference
ΔPref
Pa
10
Specific input power
SPI
W/(
m3/h
)
0,132
Ventilation control
- —
- —
Manual control (no DCV)
Control factor
CTRL
- —
Manual
Local
Percentage for external leakage for one-way ventilation
units with air ducts
- —
%
Not applicable
Instructions for installing regulated suction/intake
extraction grilles in the facade for natural air intake/exhaustion
- —
- —
Not applicable
Instructions for pre-assembly/disassembly
- —
- —
Airflow sensitivity to pressure variations at + 20 Pa and
- 20 Pa
- —
- —
Not applicable
Air tightness between inside and outside
- —
- —
Not applicable
Annual electricity consumption
AEC
kWh
182
118
Heating saved annually, under cold
climate conditions
AHS
kWh
2732
5131
Annual heating savings, under moderate
climate conditions
AHS
kWh
1397
2623
Heating saved annually, under warm
climate conditions
AHS
kWh
632
1186