Johnson Controls VMA1615, Installation Manual

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Figure 1: VMA1615/1626/1628/1630 Controller wiring terminations and physical features (VMA1630-1
Model shown)
Table 1: VMA1615/1626/1628/1630 Feature Callout
Numbers and Descriptions
Physical Features: Description and References
1
24 VAC, Class 2 Supply Power Terminal Block (see Supply
power terminal block )
2
Device Address DIP Switch Block (see Setting the device
address )
3
Binary Outputs, 24 VAC Triacs (see Communication bus
and supply power table )
4
Configurable Outputs: Voltage Analog Output (0–10
VDC) and Binary Output (24 VAC Triac) (VMA1630, 1626,
and 1628 only)
(see Communication bus and supply power table )
5 Dual Port Fitting (see Figure 1)
6
Manual Override Button (see Mounting for information
on using manual override Button)
7
Controller Coupler (see Mounting for information on
using the controller coupler)
8
Coupler Bolt (see Mounting for information on setting
the coupler bolt)
Table 1: VMA1615/1626/1628/1630 Feature Callout
Numbers and Descriptions
Physical Features: Description and References
9
Universal Input: Voltage Analog Input (0–10 VDC)
Resistive Analog Inputs (0–600k ohm)
0–2k Potentiometer
RTD: 1k Nickel, 1k Platinum, or A99B SI
NTC: 10K Type L (10K Johnson Controls Type II is
equivalent to Type L) or 2.252K Type II
Dry Contact Binary Input
10
FC Bus Terminal Block. May also be used for N2
connections. (see FC bus terminal block (Or N2 protocol
as required) )
11 EOL (End-of-Line) Switch (see Setting the EOL switch )
12 SA Bus Terminal Block
13
Modular Port (FC Bus) RJ-12 6-Pin Modular Jack (see
Modular ports )
14
Modular Port (SA Bus) RJ-12 6-Pin Modular Jack (see
Modular ports )
15 Captive Spacer and Screw (see Figure 1)
16 LED Status Indicators (see Table 8)
VMA1615/1626/1628/1630 VAV Controllers Installation Guide 3