c
n
e
p
t
r
o
n
PAGE 7
NEP04/03
www.hvacquick.com 877-711-4822
Control Equipment
PTC
program level organization: cont.
When the
ptc
is turned on. it is automatically in user
mode. In this mode only the setpoint may be changed
(within the limits set by the minimum and maximum
setpoint settings) by pressing the
up
or
down
buttons.
To enter program mode, push the
MENU
button once.
The first program level message ( hi ) will be dis-
played for 2 seconds, followed by the
maximum
setpoint setting
. Pushing the
up
or
down
buttons,
set the maximum setpoint you
wish the user to have access
to. Once that is done, push the
ENTER
button to
store this value in memory.
Push
MENU
once again. The second program level
message ( Lo ) will be displayed for 2
seconds, followed by the
minimum
setpoint setting
.
Pushing the
up
or
down
buttons, set the minimum
setpoint you wish the
user to have access to.
Once that is done, push the
ENTER
button to store
this value in memory.
Note that if you wish to fix the temperature setpoint
to one value (ie; not adjustable by the user), set the
(hi) and ( Lo ) values to the desired temperature
setpoint.
1
2
Push
MENU
again. The third program level message
( Ca ) will be displayed for 2 seconds,
followed by the setpoint of
contact A
. It
is displayed in the following format:
Pushing the
up
or
down
buttons will change the
contact setpoint. When you have arrived at the setpoint
you wish, push the
ENTER
button to store this value in
memory.
3
message
contact setpoint
H2
heating at 20 % demand
H3
heating at 30 % demand
H4
heating at 40 % demand
H5
heating at 50 % demand
H6
heating at 60 % demand
H7
heating at 70 % demand
H8
heating at 80 % demand
H9
heating at 90 % demand
C2
cooling at 20 % demand
C3
cooling at 30 % demand
C4
cooling at 40 % demand
C5
cooling at 50 % demand
C6
cooling at 60 % demand
C7
cooling at 70 % demand
C8
cooling at 80 % demand
C9
cooling at 90 % demand