HBX CPU-1000 HVAC Controller
Version 1.38
© HBX Control Systems Inc. 2012
Page 15
ACCESSORIES AND OPTIONS
The CPU-1000 Main Control has been designed to incorporate simple integrated Expansion Modules to provide and
accommodate even the most sophisticated control package. Each Expansion Module has a side ported 32-Pin input/output
connection.
When connected using the HBX
32-Pin male to male adapter, each
module can be joined together
(daisy chain style) and will butt
together with virtually no side
clearance. Due to the 32-pin
connector no external cross wiring
is necessary.
A maximum of 6
Expansion Modules can
be connected in series.
1) Additional Sensors:
• Universal Sensors part number 029-0022
• Indoor/Outdoor Sensors part number OUT-0100
2) Connectors
• 32-Pin Adapter Plug part number 033-0037
KEY/COLOUR
CODED CONNECTORS
To simplify the installation, the Control has been
designed to utilize dedicated terminal plugs. Each
terminal has non-interchangeable male and female
mating parts.
In addition each plug is colour coded as well as being
keyed/indexed. There are a combination of two and
three wire plugs.
INDOOR/OUTDOOR SENSOR
The HBX remote (Indoor/Outdoor) Temperature Sensor has 2
x 20mm knock out holes, 1 from the underside and 1 from the
rear. The HBX housing can accommodate up to four (4) 10K ohm
thermistors.
Outside sensors should be placed on the north facing wall of
the heated building to avoid any solar heating effect. The sensor
should also be located away from other non-ambient heat
sources such as exhaust fans, heat generating air conditioners or
refrigeration units.
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