CFEWH SERIES 2
–
Three phase | INSTALLATION Manual © Mar 2022 | MicroHeat Technologies Pty LTD Page
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of
22
CFEWH Installation Procedure
1.
To remove the CFEWH Exterior Cover f
ind a clean flat surface and place the unit on its back.
Using both your thumbs and forefingers, grip the Exterior Cover firmly along the bottom of the unit, and push
the cover slowly up to separate it from the Body of the unit. See Figure 1.
2.
Carefully remove the Display PCB/LED plug and cable connecting either the Display PCB or Indicator LED on the
outside of the Exterior Cover to the PCBA. See Figure 2.
3.
Mount the unit onto the wall. Refer back page (23) of Manual for mounting screw-hole position template and
page (19) for product dimensions.
4.
Ensure the Circuit Breaker and the Isolation Switch (if installed) supplying the 415VAC electrical mains to the
CFEWH are turned
OFF.
5.
The electricity supply cable must be brought through the electric gland, and then connected to the terminal
block (14)
–
see page (12),
Error! Reference source not found.
. The cable enters from the rear of the appliance.
6.
Carefully replace the plug and cable connecting the Display PCB/LED indicator to the PCBA.
7.
Connect the Water Pressure Limiting Valve (5.0 bar/72.5 psi/500 kpa) and Shutoff Valve.
8.
Connect the water supply via the shutoff valve and pressure limiting valve to the unit to the Inlet Water
Connection
(
BLUE
)
.
NOTE:
Flush the cold water line before connecting to the unit.
9.
Connect the hot water from the Outlet Water Connection
(
RED
).
10.
Run water through the unit without power to ensure there are no leaks.
11.
Switch ON the Circuit Breaker and Isolation Switch supplying the electric mains power to the unit and check if
the unit is turned ON.
If the LED is slow flashing
GREEN
, the unit is in standby mode and is ready for use.
Turning hot water on will initiate the heating process and hot water should exit from of the point of use water
outlet. The LED will
illuminate as fast flashing
GREEN.
Figure 1 - CFEWH Removal of Exterior Cover
Figure 2
–
Display PCB/LED Cable Disconnection & Cover Screw Replacement
