CFEWH SERIES 2
–
Three phase | INSTALLATION Manual © Mar 2022 | MicroHeat Technologies Pty LTD Page
13
of
22
3 PHASE
x
A
RCCB (TYPE A-SI)
3 PHASE
NEUTRAL (N)
TERMINATION
RED
WHITE
B
LU
E
B
LACK
3 PHASE
x
A
ISOLATION SWITCH
L1
CFEW H SERIES 2
E
A
R
T
H
N
L2 L3
380/415 VAC
CFEWH Electrical Installation
ELECTRICAL CONNECTION
The CFEWH Series 2-X - 380/415/480VAC (
xA
per phase
)
* See Power Rating / Amperage Table below
must be connected to Three
Phase 380/415/480VAC Electrical Mains Supply. The appliance must be connected to the mains supply with fixed wiring.
An appropriate mains isolation switch should be incorporated in-line with the fixed wiring electrical supply.
Bring the Three Phase cable supply through the
Electric Mains Supply Cable Gland (15) as shown.
In accordance with the wiring rules, AS/NZS 3000:2018
and IEC 61000-3-11, the CFEWH is intended for use where
the service current capacity of 100A per phase is supplied
from a distribution network having a nominal voltage of
400/230 VAC.
*
Power Rating / Amperage Table
Printed Circuit Board
Assemblies (PCBA)
IMPORTANT
This unit is classified as a
Class I
Bare Element Water
Heater. The appliance must be correctly connected to the
mains earth.
In order to prevent a hazardous circumstance occurring
due to the inadvertent resetting of the thermal cut out,
the electrical supply to this appliance must not be
supplied through an external switching device, such as a
timer
–
nor can it be connected to a circuit that is
regularly switched on and off by the electricity supply
utility
.
AS/NZS 3000:2018
MICROHEAT CFEWH SERIES 2
COMPLIANT WITH AS/NZS 60335.2.35 ELECTRICAL
SAFETY
RCD DEVICE IS NOT REQUIRED
If an RCD is installed
–
this must be
Super Immune (TYPE A-SI) Three Phase RCCB to
prevent any nuisance tripping during normal
operation.
Figure 4 - CFEWH Series 2 PCBA Assemblies
3 Phase Electrical Connection
