85
EN
Cod. 3541V991 - Rev. 06 - 10/2022
OMNIA ST 3.2
Indoor unit technical data 10 16 16T UM
Power supply
230V ~ 50 Hz 400V ~ 3N 50 Hz V-ph-Hz
Heat exchanger type
Stainless steel brazed plates
-
Pump type
Electronic circulator (8 mca) Electronic circulator (9 mca)
-
System expansion tank volume
10 l
System safety water valve set
3 bar
System water connections
1” GAS M -
DHW water connections
3/4” GAS M -
Hydraulic fittings / liquid line ***
3/8” SAE / Ø 9.52 -
Hydraulic fittings / gas line
5/8” SAE / Ø 15.88 -
Minimum plant water content
15 25 l
DHW boiler volume
190 240 l
System electric heater
3 6 kW
DHW boiler electric heater (accessory)
1,5 kW
DHW expansion vessel volume (accessory)
8 l
DHW boiler safety water valve set
9 bar
System temperature (min-max)
5 - 65
°C
System pressure (min-max)
1 - 3
bar
DHW temperature (min-max)
5 - 70
°C
DHW pressure (min-max)
1 - 7
bar
SWL - Sound power level
39 39 39 39 40 40 40 40 40 40
dB(A)
Max current input
14 10
A
Net weight
(min-max) ****
167 / 193 191 / 217
kg
Operation weight (min-max) ****
359 / 403 433 / 477
kg
Packed unit weight
173 198
kg
*** For matching with external units mod. 4-6 a reduction fitting from 3/8 ”SAE to 1/4” SAE is provided for liquid line Ø 6.35.
**** min = weight refers to basic unit without accessories / max = weight refer to basic unit with accessories inertial tank and 2 zones kit
3.2 ERP data
Models 4 6 8 10 12 14 16 12T 14T 16T UM
Seasonal space
heating energy
efficiency class
low temperature (water outlet at 35°C)
191 195 205 204 189 185 182 189 185 182 ηs (%)
A+++
class
medium temperature (water at 55°C)
129 138 131 136 135 135 133 135 135 133 ηs (%)
A++
class
SCOP
low temperature (water outlet at 35°C) 4,85 4,95 5,21 5,19 4,81 4,72 4,62 4,81 4,72 4,62 W/W
medium temperature (water at 55°C) 3,31 3,52 3,36 3,49 3,45 3,47 3,41 3,45 3,47 3,41 W/W
SEER
water at 7°C 4,99 5,34 5,83 5,98 4,89 4,86 4,69 4,86 4,83 4,67 W/W
water at 18°C 7,77 8,21 8,95 8,78 7,10 6,90 6,75 7,04 6,85 6,71 W/W
DHW
Declared load profile for domestic hot water
production (DHW)
L L L L XL XL XL XL XL XL -
Energy efficiency class for domestic hot
water production (DHW)
A+
class
3.3 Operating limits heat pump
NOTE FOR DHW MODE: leaving water temperature is the tem-
perature of the water produced by the unit and not the DHW tem-
perature available to the user; the DHW temperature is in fact a
function of this parameter and of the coil surface of the DHW boiler.
Operation range by heat pump with
possible limitation and protection.
Leaving water temperature °C
Leaving water temperature °C
Outside temperature °C
Outside temperature °C
DHW MODEHEATING MODE
Leaving water temperature °C
Outside temperature °C
COOLING MODE
With IBH (system electric heater) installed. With IBH (system electric heater) installed.
Operation range by heat pump with possible limita-
tion and protection.
Operation range by heat pump with possible limita-
tion and protection.
Maximum inlet water temperature line for heat
pump operation.
Maximum inlet water temperature line for heat
pump operation.
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