Instructions / Assembly
www.stiebel-eltron-usa.com Accelera® 220-300 E | 35
ENGLISH
INSTALLATION
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A1 Electronic assembly, control unit
A2 Electronic assembly, programming unit
C1 Capacitor
E1 Heating element, 1.5kW
F1 High limit safety cut-out TSR, 189 °F ±8 (87 °C ±5)
F2 Motor overload relay M1
F3 High pressure switch, 348 psi (24 bar)
F4 Fuse
G1 Impressed current anode
M1 Compressor
M2 Fan
N1 Thermostat TSR, 149 °F ±8 (65 °C ±5)
R1 Resistor 380Ohm
S1 DIP-switch, operating mode
S2 DIP-switch
T1 Temperature sensor, dome/integral
T4 Temperature sensor, evaporator
X0 Mains terminal
X1 Internal terminals
X3 Terminal
!
Material losses
If X0/2 is connected, the power supply to the appliance
must be a permanent connection (See 11.4.3, “Connec-
tion with external signal transmitter”, pg. 26). Never
interchange L1 and N.
Note
f Never wire up terminal X0/1.
17.3 Data table
Accelera® 220 E Accelera® 300 E
233058 233059
Hydraulic data
Nominal capacity 58 gal (220 l) 79.8 gal (302 l)
Application limits
Maximum DHW temperature 149 °F (65 °C)
Heat source min./max. application limits 42–108 °F (6–42 °C)
Min. clearance in front of air intake & air discharge grill 15 ¾ in (400 mm)
Minimum clearance above the appliance 13 ¾ in (350 mm)
Min. installation room floor area 64.6 ft² (6 m
2
)
Min. installation room volume 800 ft³ (22.7 m
3
)
Max. permissible operating pressure, cold water/DHW 116 psi (0.8 MPa)
Min./max. conductivity, drinking water 100-1500 µS/cm
Output details
Nominal DHW temperature 131–149 °F (55–65 °C)
Maximum available amount of DHW at 104 °F (40 °C) 91.7 gal (347 l) 108.9 gal (412 l)
Heat-up time, 59 °F (15 °C) ambient air temperature 8.7 hr 8.83 hr
Heat-up time, 44 °F (7 °C) ambient air temperature 11.99 hr 12.52 hr
Power consumption, standby period [EN 16147 / A15] 174 Btu/hr (0.051 kW) 96 Btu/hr (0.028 kW)
Power consumption, standby period [EN 16147 / A7] 212 Btu/hr (0.062 kW) 136 Btu/hr (0.040 kW)
Heating output
Average heating output [EN 16147 / A15] 5528 Btu/hr (1.62 kW) 5596 Btu/hr (1.64 kW)
Average heating output [EN 16147 / A7] 3992 Btu/hr (1.17 kW) 4368 Btu/hr (1.28 kW)
Power consumption
Average heat pump power consumption with 59 °F (15 °C) air 1877 Btu/hr (0.55 kW) 2047 Btu/hr (0.60 kW)
Average heat pump power consumption with 44 °F (7 °C) air 1808 Btu/hr (0.53 kW) 1808 Btu/hr (0.53 kW)
Max. heat pump power consumption [excluding start-up] 2216 Btu/hr (0.65 kW) 2216 Btu/hr (0.65 kW)
Power consumption, booster element 5115 Btu/hr (1.50 kW) 5115 Btu/hr (1.50 kW)
Max. power consumption heat pump + booster element 7331 Btu/hr (2.15 kW) 7331 Btu/hr (2.15 kW)
Energy Star
Energy Factor 3.05 3.39
First hour rating 50.3 gal (190.4 l) 75.1 gal (284.3 l)
DOE estimated annual energy usage 1406 kWh/year 1289 kWh/year
Electrical data
Power connection L1,L2,G / 220-240 V / 60/50 Hz
Max. operating current 8.54 A
Max. starting current 23.44 A
Required circuit breaker 15 A, Type C










