




,ECO270B
When installtion is done, prior to switching on power supply, open the water facuet or
shower head to run water through the hot water heater system to purge all the aire out
of the unit. When power is supplied, a beep sound can be heard and display lights up,
press power button on the panel of the unit to start up set temp between 86 to 131
degrees with the UP and DOWN buttons. Please test water temp with hand before
shower or other use, this could avoid scald risk.
and the ECO270B needs 3 double pole breakers of 40A.



L2 L1 L2" L1"
SCR1
SCR2
SCR3
ECO270B
H

113A
19.18 Lbs
2.4 GPM
2.6 GPM
2.8 GPM
3.1 GPM
3.4 GPM
3.8 GPM
4.2 GPM
4.8 GPM
5.6 GPM


3
three
H
L
Fig.1
ECO140B
ECO180B
ECO270B
1.57"(40mm)x11.69"(297mm)
1.57"(40mm)x11.69"(297mm)
2.28"(58mm)x12.09"(307mm)
LxH
mounting brackets on the wall with those self tapping screws and then put the
water heater unit on the mounting brackets, brag down to ensure it sits tight.

ECO270B

Terminal blocks
Terminal A
Breaker A
Terminal B
Breaker B

Terminal blocks
L2 L1 L2" L1"
L2 L1 L2" L1"
Breaker A
Breaker BBreaker C
L2"
L1"
L1"
Cautions: for ECO180B,ECO270B: each set of wires(L1 L2) must be connected to its
own individual 40A double pole breaker. If you mix them up, the unit will not work proper
as it should or serious damage to property may be caused!
ECO270B

86-131
30-55



8

9

