Repair Information - Johnson Controls IOM3721 Installation Manual

Repair information

If an expansion module fails to operate within its
specifications, replace the expansion module. For
Accessories
Table 8: Accessories Ordering Information
Product Code Number Description
TP-2420 Transformer, 120 VAC Primary to 24 VAC secondary, 20 VA, Wall Plug
Transformer, 120/208/240 VAC Primary to 24 VAC Secondary, 40 VA, Foot Mount, 8 in. Primary Leads and
Secondary Screw Terminals, Class 2
Y65T31-0
AS-XFR050-0 Power transformer (Class 2, 24 VAC, 50 VA maximum output), no enclosure
AP-TBK4SA-0 Replacement SA Bus Terminal Blocks, 4-Position, Brown, Bulk Pack of 10
AP-TBK4FC-0 Replacement FC Bus Terminal Blocks, 4-Position, Blue, Bulk Pack of 10
AP-TBK3PW-0
Replacement Power Terminal Blocks, 3-Position, Gray, Bulk Pack of 10
WNC1800/ZFR182x
This system is used for installations that support BACnet/IP but can also coexist with the ZFR1800 Series when
Pro Wireless field Bus installed under the same supervisor (i.e., network engine). Refer to the WNC1800/ZFR182x Pro Series Wireless
System Field Bus System Product Bulletin (LIT-12012320) for a list of available products.
ZFR1800 Series
This system is used for installations that only support BACnet MS/TP. Refer to the ZFR1800 Series Wireless Field
Wireless Field Bus
Bus System Product Bulletin (LIT-12011336) for a list of available products.
System
NS Series Network
Refer to the NS Series Network Sensors Product Bulletin (LIT-12011574) for specific sensor model descriptions.
Sensors
WRZ Series Wireless Refer to the WRZ Series Wireless Room Sensors Product Bulletin (LIT-12000653) for specific sensor model
Room Sensors
descriptions.
Mobile Access Portal Refer to the Mobile Access Portal Gateway Catalog Page (LIT-1900869) to identify the appropriate product for
(MAP)Gateway your region.
12 IOM3721 Expansion Input/Output Module Installation Guide
Note: Additional Y6x-x Series transformers are also available. Refer to the Series Y63, Y64, Y65, Y66, and
Y69 Transformers Product Bulletin (LIT-125755) for more information.
a replacement expansion module, contact your
Johnson Controls representative.