Zehnder Rittling ComfoAir Q 350 ST, User Manual

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20 - EN
Information requirement for RVUs as per EU Regulation No. 1253/2014
Heat Recovery Unit Zehnder ComfoAir Q 350 ST Enthalpy
Supplier name or trade
mark
Zehnder group Zehnder group Zehnder group Zehnder group
Supplier’s model
identifier ComfoAir Q 350 ST
Enthalpy
ComfoAir Q 350 ST
Enthalpy
ComfoAir Q 350 ST
Enthalpy
ComfoAir Q 350 ST
Enthalpy
SEC in [kWh/(m²a)] for
each climate zone
(cold, average, warm)
-73.2 -36.9 -13.4 -74.2 -37.6 -14.0 -76.5 -39.4 -15.6 -80.5 -42.4 -17.9
SEC Class A+ A E A+ A E A+ A E A+ A+ E
Type of ventilation unit Bidirectional RVU Bidirectional RVU Bidirectional RVU Bidirectional RVU
Type of drive installed Multi-speed drive Multi-speed drive Variable speed drive Variable speed drive
Type of heat system1 Recuperative Recuperative Recuperative Recuperative
Thermal efficiency2 83% 83% 83% 83%
Maximum flow rate
[m³/h]3
350 350 350 350
Electric power input
[W]4
175 175 175 175
Sound power level
(LWA) in [dB(A)] 5
40 40 40 40
Reference flow rate in
[m³/h]6
245 245 245 245
Reference pressure
difference [Pa]
50 50 50 50
SPI in [W/(m³/h)]7 0.20 0.20 0.20 0.20
Control factor and
typology 1
Manual control
0.95
Clock-controlled
0.85
Central demand control
0.65
Local demand control
Declared maximum
internal and external
leakage rates (%)8
Internal: 1.8%
External: 1.2%
Internal: 1.8%
External: 1.2%
Internal: 1.8%
External: 1.2%
Internal: 1.8%
External: 1.2%
Mixing rate9 - - - -
Position and
description of visual
filter warning
Warning on the display of
the unit or room controller
Warning on the display of
the unit or room controller
Warning on the display of
the unit or room controller
Warning on the display of
the unit or room controller
Internet address
for assembly
and disassembly
instructions
www.zehnder.co.uk www.zehnder.co.uk www.zehnder.co.uk www.zehnder.co.uk
Airflow sensitivity to
pressure variations
[%]10
- - - -
Indoor/outdoor air
tightness [m³/h]11
- - - -
AEC (in kWh
electricity/a) for each
climate zone
(cold, average, warm)
12.1 6.7 6.3 11.6 6.2 5.8 10.3 5.0 4.5 8.5 3.1 2.6
AHS (in kWh primary
energy/a) for each
climate zone
(cold, average, warm)
85.3 43.6 19.7 85.8 43.9 19.8 86.9 44.4 20.1 89.0 45.5 20.6
1: Type of heat recovery: „recuperative“ heat recovery is heat recovery without moving parts (plate heat exchanger).
2: Thermal efficiency: as per EN 13141-7:2010 at a reference flow rate of 50 Pa; as per EN 13141-8:2014 for non-ducted units.
3: Maximum flow rate at 100 Pa of external static pressure difference.
4: Electric power input at maximum flow rate.
5: Noise emitted from housing at reference flow rate.
6: Reference flow rate (70% of the maximum flow rate at 50 Pa of external static pressure difference as per EN 13141-7:2010).
7: As per EN 13141-7:2010 at reference flow rate.
8: As per EN 13141-7:2010; as per EN 13141-8:2014 for non-ducted units.
9: As per EN 13141-8:2014 for non-ducted units.
10: As per EN 13141-8:2014 for non-ducted units: airflow sensitivity to pressure variations at +20 Pa and -20 Pa.
11: As per EN 13141-8:2014 for non-ducted units.
SEC: Specific energy consumption.
SPI: Specific power input.
AEC: Annual electricity consumption.
AHS: Annual heating saved .