Page 14 of 17
| INSTALLATION MANUAL for CFEWH SERIES 6-13 | V01 - 12 / 02 / 2021
OPERATING THE CFEWH
CFEWH PREMIUM MODEL
The unit will automatically begin operating when you turn on a hot water tap, and water is flowing faster than
0.39 gpm. The heated water temperature can be varied or set manually by using the decrease and increase
push buttons. Temperature can be set between a minimum of 68°F and the maximum factory set temperature
of 140°F (temperatures below 120°F are recommended to prevent scalding).
The display also shows water flow rate in gallons per minute (gpm). The minimum flow rate that can be
displayed is 0.01 gpm and the maximum displayed is 9.99 gpm.
FLOW RATE
DISPLAY
OUTPUT WATER
TEMP. SETTING
DISPLAY
with increase
and decrease
push buttons
CFEWH PREMIUM -
16
LED INDICATOR LIGHT
The
16
LED indicator on the
10
Exterior Cover
indicates the operational status of the unit.
LED INDICATOR NOT ILLUMINATED:
No electricity is being supplied to the unit.
SLOW FLASHING GREEN:
Standby mode, waiting for water to be turned on.
FAST FLASHING GREEN:
The unit is operating and water is being heated.
FLASHING RED
/
THEN GREEN:
The unit is self-diagnosing an error that it will
attempt to resolve. When the error has been
resolved, the LED will return to slow or fast flashing
GREEN
. “
ERR
“ will be shown in the OUTPUT
WATER TEMPERATURE SETTING DISPLAY and the
error code (starting with “
A
“) will be in the FLOW
RATE DISPLAY. See next page for the full list of
error codes.
RED CONTINUOUSLY ON:
IRRESOLVABLE / MECHANICAL LOCKOUT ERROR
“
ERR
“ will be shown in the OUTPUT WATER
TEMPERATURE SETTING DISPLAY and the error
code (starting with “
F
“) will be in the FLOW RATE
DISPLAY. See page 16 for full list of error codes.
For any additional service questions, contact
our customer service at [email protected].
