Wiring Diagram; Data Table; Spare Parts - Stiebel Eltron MEGABOOST Utilisation Et Installation

INSTALLATION
TECHNICAL DATA

14.2 Wiring diagram

MegaBoost
2/GRD ~ 208 / 240 V

14.3 Data table

Part number
Phase
Voltage
Frequency
Output power
Amperage
Min. recommended circuit breaker
2 (copper)
Min. recommended wire size
Min. water flow to activate appliance
Protection level according to
Max. inlet water temperature
Nominal water volume
Working pressure max.
Tested to pressure
Weight
Water connections
1
This is our recommendation for overcurrent protection sized at 100%
of load. Check local codes for compliance if necessary.
Tankless water heaters are considered a non-continuous load.
2
Copper must be used. Conductors should be sized to maintain a
voltage drop of less than 3% under load.
*
1/2" to 3/4" fittings are supplied with the unit
10 | MEGABOOST
Mega Boost
524201
1
V 208
Hz 50 / 60
kW 7.2
A 35
1
A 35
(DP)
AWG 8
GPM / l/min 0.26 / 1
IP 24
°F / °C 131 / 55
GAL / l 0.13 / 0.5
PSI / bar / MPa 150 / 10 / 1
PSI / bar / MPa 300 / 20 / 2
lbs. / kg 5.9 / 2.7
1/2" NPT

14.4 Spare parts

1
15
14
No. No. Spare part
1 Heating system
2 Safety thermal cut out
3 Electronic control appliance
4 Coding plug
5 Back panel
1 6 Flow sensor DFE
240 7 Cold water connection
50 / 60 8 Filter screen
9.6 9 Hot water connection
40 10 Plastic cover
40 11 Wiring block
8 12 Axis connection plug
13 Electronic temperature control
14 Temperature adjustment knob
15 Outlet temperature sensor
*
2 3 4
13
12
11
10
9 8
MegaBoost
292575
286369
291851
283455
292578
286461
291699
252430
278634
279998
254312
286359
254307
280677
WWW.STIEBEL-ELTRON-USA.COM
5
6
7