Phase
Single
Single
Nominal thermal kW rating
3.0
6.0
Part Number
S3-P0K
S6-P0K
MCS Approved
BBA0055/31
BBA0055/35
Performance data - rated heating output at B0/W35 BS EN14511
Power consumption
0.8kW
1.6kW
Co-efficient of Performance*
3.54
3.26
Immersion heater output
Kensa heat pumps do not feature back-up electric immersion heaters**
ENA Connect & Notify approval
Yes
Yes
* The COP figure quoted is calculated as per EN14511. ** In-built immersion heaters will increase running costs and CO2 emissions as they use direct electricity, because of this Kensa heat pumps do not include them.
Brine (primary) based on 0°C in / -4°C out
Design flow rate kg/min
9.2
18.4
Pressure drop kPa at design flow rate
5
16
Max inlet temperature °C
25
Min temperature °C (outlet)
-5 (at standard settings)
Heating water (secondary) based on 30°C in / 35°C out
Design flow rate l/min
8.62
16.88
Pressure drop kPa at design flow rate
1.0
.64
Max flow temperature °C***
65
65
*** By increasing the flow temperature from the heat pump the efficiency of the unit will drop and the COP decreases.
Electrical values at B0/W35
Rated voltage
220-240 v / 50-60 Hz
Power supply rating amps
13
25
Rated current (max) amps
7
14
Typical running current at B0/W35 amps
4
8
Starting current amps****
30
34
****Kensa Shoebox heat pumps incorporate smart starts as standard to limit the starting current of the compressors. For full details on how the starting currents are calculated please contact Kensa.
Refrigerant circuit
Process medium
R134a
Fill volume kg
.7
1.6
Compressor type
Reciprocal
Dimensions
H X W X L (mm)
515 (H) X 480 (W) X 360 (D)
585 (H) X 610 (W) X 595 (D)
Dry weight kg
60
100
Operating pressure
Brine circuit min (primary) bar g
0.3
Heating water circuit min (secondary) bar g
0.6
Low pressure reset bar g
1.8
Connection sizes
Primary IN and OUT
Valves and anti-vibration leading to 22mm
Heating flow and return
Valves and anti-vibration leading to 22mm
Performance (based on Average Climate) at 35°C
ErP rating
A+
A+
SCOP*****
3.68
3.46
Seasonal space heating energy efficiency
139%
130%
*****The SCOP figure quoted is calculated as per EN14825. Note: Design flow rates are for a ground temperature of 0°C and –4°C and a load temperature of 30°C and 35°C.
Performance (based on Average Climate) at 55°C
ErP rating
A+
A+
SCOP*****
2.99
2.97
Seasonal space heating energy efficiency
112%
111%
*****The SCOP figure quoted is calculated as per EN14825. Note: Design flow rates are for a ground temperature of 0°C and –4°C and a load temperature of 30°C and 35°C.
Sound Power Level
Sound Power Level (dB)
47dBA
52dBA
