Johnson Controls VMA1630 Installation Instructions

Table 3: I/O Terminal Blocks, Functions, Ratings, Requirements, and Cables
To Determine Wire Size
and Maximum Cable
Length
1
Function, Ratings, and RequirementsTerminal
Labels
Terminal Block Label
Same as (Universal) INn.
Note: Use 3-wire cable for
devices that source
power from the +15 V
terminal.
15 VDC Power Source for active (3-wire) input
devices connected to the Universal INn terminals.
Provides 35 mA total current.
+15 VUNIVERSAL
(Inputs)
See Guideline A in Table 4.
Analog Input - Voltage Mode (0–10 VDC)
10 VDC maximum input voltage
Internal 75k ohm Pulldown
INn
See Guideline A in Table 4.
Analog Input - Resistive Mode (0–600k ohm)
Internal 12 V, 15k ohm pull up
Qualified Sensors: 0–2k potentiometer,
RTD (1k Nickel [Johnson Controls sensor],
1k Platinum, and A99B Silicon Temperature
Sensor)
Negative Temperature Coefficient (NTC) Sensor
10K Type L (10K Johnson Controls Type II is
equivalent to Type L) or 2.252K Type II
See Guideline A in Table 4.
Binary Input - Dry Contact Maintained Mode
1 second minimum pulse width
Internal 12 V, 15k ohm pull up
Same as (Universal) INn.
Universal Input Common for all Universal IN
terminals
Note: All Universal ICOMn terminals are
isolated from all other commons on the
-0 models. The -1 model ICOMn
terminals are isolated from FC BUS
COM terminals only.
ICOMn
See Guideline C in Table 4.
Binary Output - 24 VAC Triac (Internal Power)
Sources internal 24 VAC power (24~ HOT)
OUTn
BINARY
(Outputs)
See Guideline C in Table 4.
Binary Output - 24 VAC Triac (Internal Power)
Connects OCOMn to 24~ COM when activated.
Internal Power Source:
30 VAC maximum voltage to load
0.5 A maximum output current
1.3 A at 25% duty cycle
40 mA minimum load current
OCOMn
12VMA1615/1626/1628/1630 VAV Controllers Installation Instructions

Johnson Controls VMA1630 Specifications

General

Brand	Johnson Controls
Model	VMA1630
Category	Controller
Language	English