ITW Dynatec
D SERIES V6 DCL ASU Manuals
V6 Base Module,
cont.
Alternatively it is possible to use the external inputs via 'dry' contacts:
WARNING:
The ASU's internal 24VDC is grounded. It is not recommended to connect external 24VDC
with the internal. If this cannot be avoided, it is important that the ground potential of the
external and that of the ASU is equal. If this is not the case, damage to the V6 control modules
is possible.
Inputs ST.BY, PU.ST. IN2 and IN3 are dedicated for default functions.
Input 4 is for future use.
Input ST.BY: External Standby/ Setback
Activating this input sets the ASU in Standby Mode. In standby mode, all temperature zones will lower
their temperatures by a programmed amount. Opening that contact will return to normal mode.
Input 2 & 3: External Program/ Recipe Selection
By activating these inputs it is possible to load one of four programs (recipes) into the controller. The two
inputs are coded in the following way:
Activate input2 while input3 is not activated: Load Program 1
Activate input3 while input2 is not activated: Load Program 2
Activate input2 while input3 is activated: Load Program 3
Activate input3 while input2 is activated: Load Program 4
Notes: the controller loads the new program when the corresponding input is activated. Deactivating an input
does not affect the process.
It is possible to load a new program manually, independent from the input situation.
Item #6
This item is not applicable to the D Series ASUs.
Item #7
This input is connected to the over-temperature thermostat on the hopper. In the unlikely event
that that hopper temperature exceeds 450F (232C), the thermostat will open and cause the power to all the
heaters to be cut off. A corresponding alarm message will appear on the controller's display. The thermostat
must be manually re-set after the hopper temperature falls below 400F
(204C).
Troubleshooting Page 7-7
Revised 10/14
cont.
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