STIEBEL ELTRON Tempra 12 Plus - Technical Data - Tempra Plus; Electrical Details; Water and Hydraulic Data; Application Limits and Dimensions

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INSTALLATION
TECHNICAL DATA
13.2 Tempra Plus
Tempra 12 Plus Tempra 15 Plus Tempra 20
Plus
Tempra 24
Plus
3
Tempra 29
Plus
4
Tempra 36
Plus
5
Part number 239219 239220 239221 239222 239223 239225
Electrical details
Phase single 50/60 Hz single
6
50/60 Hz single
6
50/60 Hz single
6
50/60 Hz single
6
50/60 Hz single
6
50/60 Hz
Voltage 240 V 208 V 240 V 208 V 240 V 208 V 240 V 208 V 240 V 208 V 240 V 208 V
Wattage 12 kW 9 kW 14.4 kW 10.8 kW 19.2 kW 14.4 kW 24 kW 18 kW 28.8 kW 21.6 kW 36 kW 27 kW
Max. amp. load 1 x 50 A 1 x 44 A 2 x 30 A 2 x 26 A 2 x 40 A 2 x 35 A 2 x 50 A 2 x 44 A 3 x 40 A 3 x 35 A 3 x 50 A 3 x 44 A
Number & min. recommended size of circuit
breakers
1
(DP)
1 x 50 A 2 x 30 A 2 x 40 A 2 x 35 A 2 x 50 A 3 x 40 A 3 x 35 A 3 x 50 A
Power connection 1/N/GRD 2/GRD 2/GRD 2/GRD 3/GRD 3/GRD
Min. recommended wire size (copper)
2
1 x 6/2 AWG 2 x 10/2 AWG 2 x 8/2 AWG 2 x 6/2 AWG 3 x 8/2 AWG 3 x 6/2 AWG
Connections
Water connection 3/4“ NPT
Max. cold water temperature 108°F (42°C)
Hydraulic data
Rated capacity 0.13 gal (0.5 l) 0.26 gal (1.0 l) 0.26 gal (1.0 l) 0.26 gal (1.0 l) 0.39 gal (1.5 l) 0.39 gal (1.5 l)
Values
Min. water flow to activate unit 0.37 gpm
(1.4 l/min)
0.5 gpm
(1.9 l/min)
0.5 gpm
(1.9 l/min)
0.5 gpm
(1.9 l/min)
0.77 gpm
(2.9 l/min)
0.77 gpm
(2.9 l/min)
Max. permissible inlet temperature 131°F (55°C)
Application limits
Min. permissible pressure 30 PSI (0.2 MPa)
Max. permissible pressure 150 PSI (1.0 MPa)
Test pressure 300 PSI (2.0 MPa)
Versions
Cap and back panel sheet steel
Color alpine white
Dimensions
Height 14.52 in (369 mm)
Width 16.54 in (420 mm)
Depth 4.61 in (117 mm)
Weights
Weight 13.5 lbs (6.1 kg) 16.1 lbs (7.3 kg) 16.1 lbs (7.3 kg) 16.1 lbs (7.3 kg) 19 lbs (8.6 kg) 19 lbs (8.6 kg)
1
This is our recommendation for overcurrent protection sized at 100% of load. Check local codes for compliance if necessary.
2
Copper must be used. Conductors should be sized to maintain a voltage drop of less than 3% under load.
3
Requires a 150 A main service.
4
Requires a 200 A main service.
5
Requires a 300 A main service.
6
Tempra 29 Plus & 36 Plus may be wired for balanced 3-phase 208V. Tempra 15 Plus, 20 Plus, 24Plus may be wired for unbalanced 3-phase 208V.