Keltech CLE18 Installation Instruction - Start Up
8
CLE Series Tankless Heater Installation
10/2/2015
Keltech • 215-1822 Rev. A; ECN 140011
Start Up
5
A
Slowly turn on water supply to the unit
with the enclosure door open and the
breaker in the off position .
C
Turn off the connected process and
check the entire system to verify leak-free
installation .
H
Turn on the connected process; observe
output temperature rise to setpoint .
NOTE: Top portion of temperature
controller displays output temperature,
bottom displays setpoint temperature.
D
Close enclosure door and secure .
F
Energize the electrical service to the unit
by switching on the breaker .
G
Unit is now in the ready state .
B
Slowly turn on the water outlet valve,
activate the connected process requiring
heater water (eyewash, etc .), then flush
the system for 5 minutes to ensure all air is
purged from the system .
NOTICE! Failure to bleed air properly
will damage elements and
cause heater malfunction.
Be sure that plumbing and electrical are complete per Start Up Check List.
NOTICE! If your heater is mounted in an area where freezing temperatures are possible, an ENHT
Freeze Protection Option should be specified. Heaters must be powered at all times to be
Freeze Protected. If continuous power is not possible, do not allow the heater to remain full of
water. Freezing of the heater can cause serious damage.
WARNING Make sure the breaker for the heater is OFF.
I
When startup is complete, leave circuit
breaker in the ON position . The Green
power light should be illuminated .
E
If your heater has the EXP2 option and
is located in a Class I Division 2 area,
please review Special Instructions &
Operation Instructions section for all
proper electrical connections and sealing
to ensure the installation will provide the
proper protection. Proceed to Step F once
you have completed the steps in the Special
Instructions & Operation Instructions or if you
do not have this option .