WWW.NORAC.CA
PRECISION
DEFINED
Page
22
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www.solutions.norac.ca
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system
installation
and
troubleshooting
info.
Figure
26:
Cables
Under
Mounting
Clips
(Side
View)
Figure
27:
Cables
Laid
Across
Valve
Coils
(Top
View)
3.
Place
the
HCM1
(E01)
between
the
valve
coils.
Orient
the
6
‐
pin
Deutsch
(CANbus)
connectors
towards
the
“P”
and
“T”
ports
with
the
large
label
and
LEDs
facing
up.
4.
Slide
the
mounting
clips
over
the
connectors
of
the
HCM1
and
the
valve
coil
connectors.
This
may
require
flexing
the
plastic
bracket
slightly.
Ensure
the
clip
is
pushed
over
the
connectors
far
enough
to
allow
the
clips
to
engage
behind
the
valve
connectors.
5.
Connect
the
valve
cables
(C10)
to
the
valve
coils
and
the
HCM1.
The
cable
connected
to
connector
(1,2)
should
be
connected
to
the
coils
closest
to
the
“P”
and
“T”
ports.
The
cable
connected
to
connector
(3,4)
should
be
connected
to
the
second
set
of
coils
from
the
“P”
and
“T”
ports.
The
cable
connected
to
connector
(7,8)
should
be
connected
to
the
3
rd
station
coils,
furthest
from
the
“P”
and
“T”
ports.
Figure
28:
HCM1
and
Clip
Installation
6.
Connect
the
temperature
probe
(C11)
to
the
HCM1
(temp/9
connector).
Connect
the
temperature
probe
to
the
hole
labelled
“TP”
on
the
valve
block
using
the
supplied
3/8”
x
1/2”
(9.5
mm
x
25
mm)
bolt
(Figure
29).
Figure
29:
Valve
Block
with
Temperature
Probe
Installed
