System connections, Figure 3: modular service tool – Orion System VCM User Manual
Page 4
Technical Guide
Operator Interfaces
4
Modular Service Tool
Wether you have a Stand Alone, Interconnected or Networked Orion
Controls System, the Modular Service Tool always connects to an HVAC
unit controller via a prefabricated cable that is supplied with the service
tool. The Modular Service Tool cable is terminated on both ends with a
mini DIN connector. Attach one end to the Modular Service Tool and
the other end to the mini DIN connector on the HVAC unit controller. If
this is an Interconnected System, all controllers that are interconnected
System Connections
Typical Controller Board
Connector Cable
Modular Service Tool
Female DIN Connector
Male DIN Connector
Mode
Selection
ENTER
CLEAR
ESC
PREV
NEXT
DOWN
UP
6
5
4
DEC
7
0
8
1
3
2
9
MINUS
-
STATUS
SETPOINTS
SCHEDULES
CONFIGURATION
ALARMS
ON
OVERRIDES
BALANCE - TEST
Be Sure The Modular Service
Tool Is Connected To The
Supplied Power Pack Or Has
Fresh Batteries Installed Before
Attempting Programming Of The
Controller. Be Sure The Power Is
Turned Off On The Modular
Service Tool Before Connecting
The Cable To The Controller.
The Modular Service Tool Can Be
Connected To The VCM
Controller Or The VAV/Zone
Controller By Plugging One End
Of The Supplied Cable Into the
Modular Service Tool DIN
Connector And The Other End
Into The DIN Connector On The
Controllers.
Power On Button
with communications cable can be programmed from any HVAC unit
controller on the loop. If this is a Networked System, all controllers on
the entire Networked System can be programmed from one HVAC unit
controller.
Be sure that the Modular Service Tool has fresh batteries installed or
that it is connected to a power source using the supplied power pack
before attempting any programming of the controller. See Figure 3 for
connection details.
Figure 3: Modular Service Tool