SCS Series Manual — P/N 15712:L 7/18/16 39
Preliminary SCS-8⁄SCE-8 Design Considerations The SCS⁄SCE
There is more than one way to comply with the pre-chosen formats for switch group type configuration. Following are some recommenda-
tions for configuring switch group types:
• Since the configurations are in groups of 16, 8, or 4, break up the total number of a common switch groups into the most convenient
size.
– If you have 16 of the same switch group type, all 16 can be configured to one SCS⁄SCE pair.
– If you have 8 of the same switch group type, all 8 can be configured to one SCS.
– If you have two different switch group types of 8 each, they can be combined onto one SCS⁄SCE pair as long as the
combination of the two switch group types can be found in the tables in Section 3.8 “Configuration”.
– If you have two different switch group types of 4 each, they can be combined onto one SCS as long as the combination
of the two switch group types can be found in the tables in Section 3.8 “Configuration”.
– If you have less than 16, 8, or 4 common switch group types, you can still use the above recommendations with some of
the switch groups unused. For instance, if you have 15, you can put all 15 on one SCS⁄SCE pair with one switch group
unused.
• It may be desirable to keep fans associated with particular dampers on the same SCS⁄SCE pair.
– If you have 8 fans and 8 dampers of the same switch group type, they can be combined onto one SCS⁄SCE pair.
– If you have 8 fans and 8 dampers of two different switch group types, they can be combined onto one SCS⁄SCE pair as
long as the combination of the two switch group types can be found in the tables in Section 3.8 “Configuration”.
– If you have 4 fans and 4 dampers of two different switch group types, they can be combined onto one SCS as long as
the combination of the two switch group types can be found in the tables in Section 3.8 “Configuration”.
• It is also possible to have fans or dampers with two different switch group types on the same SCS or SCS⁄SCE pair as long as the
combination of the two switch group types can be found in the tables in Section 3.8 “Configuration”.
For example, if you have 12 type 7 fans, 4 type 1 fans, 12 type 5 dampers, and 4 type 2 dampers, they could be configured
in any one of the following ways:
– All 12 type 7 fans could be configured for one SCS⁄SCE pair, with four switches unused. All 12 type 5 dampers could
be configured for a second SCS⁄SCE pair, with four switches unused. The four type 1 fans could be configured for one
SCS with four switch groups unused. The four type 2 dampers could be configured for a second SCS with four switch
groups unused.
– Eight type 7 fans and eight type 5 dampers could be configured on one SCS⁄SCE pair. Four type 7 fans and four type 5
dampers could be configured on one SCS. Four type 1 fans and four type 2 dampers could be configured on a second
SCS.
– Eight type 7 fans could be configured on one SCS. Eight type 5 dampers could be configured for a second SCS. Four
type 7 fans and four type 1 fans could be configured on a third SCS. Four type 5 dampers and four type 2 dampers
could be configured on a forth SCS.
These are only a few examples of how fans and dampers could be configured for the SCS⁄SCE. The layout and configuration of the
SCS⁄SCEs should be fully planned before installation begins. When the layout and configuration design of the SCSs and SCE has been final-
ized, note the dipswitch setting for each SCS, which is also located in the tables in Section 3.8 “Configuration”. The explanation of dipswitch
settings is located in Table 3.4.
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