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Subject to technical amendments without prior notice | 83055800gUK – Translation of the original operating manual | ait-deutschland GmbH
Performance data Values in brackets: (1 Compressor) LWDV 91-1/3
Heating capacity | COP for A10/W35 acc. to EN14511 Partial load operation kW | COP 3,01 | 6,03
for A7/W35 acc. to EN14511 Partial load operation kW | COP 2,77 | 5,41
for A7/W55 acc. to EN14511 Partial load operation kW | COP 4,23 | 3,35
for A2/W35 acc. to EN14511 Partial load operation kW | COP 5,08 | 4,61
for A-7/W35 acc. to EN14511 Full load operation kW | COP 8,11 | 3,14
for A-7/W55 acc. to EN 14511 Full load operation kW | COP
Heating capacity for A10/W35 min. I max. kW | kW 2,95 | 8,20
for A7/W35 min. I max. kW | kW 2,74 | 8,20
for A7/W55 min. I max. kW | kW 2,39 | 8,20
for A2/W35 min. I max. kW | kW 2,33 | 8,20
for A-7/W35 min. I max. kW | kW 3,06 | 8,11
for A-7/W55 min. I max. kW | kW
2,80 | 6,55
Cooling capacity | EER for A35/W18 Partial load operation kW | EER - | -
for A35/W7 Partial load operation kW | EER - | -
Cooling capacity for A35/W18 min. I max. kW | kW - | -
for A35/W7 min. I max. kW | kW - | -
Operating limits
Heating circuit return min. | Heating circuit flow max. Heating within heat source min./max. °C 20 | 70
Heat source, heating min. I max. °C -22 | 35
Additional operating points … A-10/W65
Sound
Sound power level inside min. | Night | max. dB(A) - | - | -
Sound power level outside 1) min. | Night | max. dB(A) 49 | 53 | 59
Sound power level acc. to EN12102 inside | outside dB(A) - | 54
Tonality | Low-frequency dB(A) | • yes – no - | -
Heat source
Air flow rate at maximum external pressing | Maximum external pressure m³/h | Pa 3500 | -
Heating circuit
Flow rate (pipe dimensioning) I Min. volume buffer tank in series I Min. volume separation buffer tank
l/h | l | l 1600 | 60 | 60
Free pressing | Pressure loss | Flow rate bar | bar | l/h - | 0,07 | 1150
Max. allowable operating pressure bar 3
Circulation pump control range min. I max. l/h - | -
General unit data
Total weight kg 141,00
Weight of heat pump module | Compact module | Fan module kg | kg | kg - | - | -
Refrigerant type | Refrigerant capacity … | kg R290 | 1,05
Electrics
Voltage code | all-pole fuse protection for heat pump *)**) … | A 1~N/PE/230V/50Hz | B16
Voltage code | Control voltage fuse protection **) … | A 1~N/PE/230V/50Hz | B16
Voltage code | Electric heating element fuse protection **) … | A —
HP*): effect. power consumption A7/W35 (partial load operation) EN14511 I Electric consumption I cosφ kW | A | … 1,38 | 2,11 | 0,8
HP*): effective power consumption A7/W35 acc. to EN14511: min. I max. kW | kW 0,53 | 1,6
HP*): max. machine current I max. power consumption within the operating limits A | kW 16 | 3,5
Starting current: direct | with soft starter A | A < 5 | —
Degree of protection IP 24
Residual current circuit breaker if required type B
Electric heating element output 3 | 2 | 1 phase kW | kW | kW - | - | -
Circulation pump power consumption, heating circuit min. I max. W - | -
Other unit information
Safety valve heating circuit | Response pressure included in scope of supply: • yes – no | bar - | –
Buffer tank | Volume included in scope of supply: • yes – no | l - | -
Heating circuit expansion vessel | Volume | Prepressure incl. in scope of supply: • yes – no | l | bar – | – | –
Overflow valve | Changeover valve, heating - domestic hot water integrated: • yes – no - | -
Heating circuit vibration decoupling incl. in scope of supply or integrated: • yes – no -
Controller I Heat quantity recording I Extension board incl. in scope of supply or integrated: • yes – no - | - | -
813585c
*) compressor only, **) note local regulations 1) Indoor and outdoor installation
For indoor installation: Intake 1.5m air duct, Blow-out 1.5m air duct + air duct bend (original accessories)
Technical data / scope of supply LWDV
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