TM
16
Electric Tankless Water Heater -
Installation Manual and User Guide
EN
Technical Specifications
3. Technical Specifications
Technical specifications
Mini Basic Series
Elex 3.5MHBL
Elex 3.5MHB
Elex 4.5MHB
Electric supply
120V 60Hz
240V 60Hz
240V 60Hz
Nominal power rating
2�9 kW @ 110V 2�4 kW @ 208V 3�4 kW @ 208V
3�5 kW @120V
3�5 kW @ 240V 4�5 kW @ 240V
Nominal current
27 A @ 110V
13 A @ 208V
16 A @ 208V
29 A @ 120V
15 A @ 240V
19 A @ 240V
Ground fault circuit interrupter 2-POLE 30A
2-POLE 20A
2-POLE 20A
Cable size
12 AWG
14 AWG
12 AWG
Resistivity of the water supply ≥ 3300 Ω•in
≥ 3300 Ω•in
≥ 3300 Ω•in
Flow rate (Δt=45°F)
0�5 GPM
0�5 GPM
0�7 GPM
Flow rate (Δt=65°F)
0�4 GPM
0�4 GPM
0�5 GPM
Heating system
Bare element
Bare element
Bare element
Control unit
Hydraulic
Hydraulic
Hydraulic
Switch on flow rate
0�34 GPM
0�34 GPM
0�47 GPM
Non-usage consumption
< 1Wh/h
< 1Wh/h
< 1Wh/h
Protection class
IP25
IP25
IP25
Unit dimensions
5
⅜
x 7
⅜
x 3
⅜
”
5
⅜
x 7
⅜
x 3
⅜
”
5
⅜
x 7
⅜
x 3
⅜
”
Unit weight
3�0 lb
3�0 lb
3�0 lb
Water connections
1/2" NPT
1/2" NPT
1/2" NPT
Max� inlet water pressure
150 psi
150 psi
150 psi
Min� inlet water pressure
15 psi
15 psi
15 psi
Switch on flow pressure
15 psi
15 psi
15 psi
e-mini manual thermoflow -na.indd 16
2020/3/25 15:20