Table 6: VMA16 Series Controller Status LEDs
Descriptions of LED
States
Normal
State
LED
Color
LED
Label
Blink - 2 Hz = Data
transmission (normal
communication)
Off Steady = No data
transmission (auto baud in
progress)
On Steady = Communication
lost, waiting to join
communication ring
Blink - 2
Hz
Green
FC BUS
Blink - 2 Hz = Data
transmission (normal
communication)
Off Steady = No data
transmission (N/A - auto baud
not supported)
On Steady = Communication
lost, waiting to join
communication ring
Blink - 2
Hz
Green
SA BUS
Repair Information
If the VMA controller fails to operate within its
specifications, contact the Johnson Controls
®
Repair
Center in Louisville, Kentucky, at 1-502-671-7312. The
MS-VMA1610-xU and MS-VMA1620-xU models have
special replacement requirements because they are UL
864 10th Edition UUKL/ORD-C100-13 UUKLC listed for
smoke control.
Accessories
Use
Table 7
to order accessories.
Table 7: VMA Accessories (Order Separately)
Description
Product Code Number
Transformer, 96 VA Class 2 120/24 VAC power supply, compliant for UL 864 UUKL/UUKLC
Tenth Edition Smoke Control System
PAN-PWRSP-U
2-position Screw Terminal that Plugs onto VMA Output Point Spade Lugs
AP-TBK1002-0
3-position Screw Terminal that Plugs onto VMA Output Point Spade Lugs
AP-TBK1003-0
Replacement MS/TP SA Bus Terminal, 4-Position Connector, Brown (Bulk Pack of 10)
AP-TBK4SA-0
Replacement MS/TP FC Bus Terminal, 4-Position Connector, Blue (Bulk Pack of 10)
AP-TBK4FC-0
Replacement Power Terminal, 3-Position Connector, Gray (Bulk Pack of 10)
AP-TBK3PW-0
BACnet IP to MS/TP Router for Connecting a Computer with CCT to MS/TP Field Controllers
TL-BRTRP-0
Cable Replacement Set for the MS-BTCVT-1 or the NS-ATV7003-0; Includes One 5 ft (1.5 m)
Retractable Cable
MS-BTCVTCBL-700
NS Series Network Sensors: Refer to the
NS Series Network Sensors Product Bulletin
(LIT-12011574)
for specific sensor model descriptions
NS Series Sensors
16
VMA1610 and VMA1620 Variable Air Volume Controllers Installation Instructions