Technical specifications
Table 16: VAV1717 and VAV1732 controller
Specification
Description
Product code number
JC-VAV1717-0: 32-bit, integrated VAV controller/actuator/pressure sensor – DPT for
cooling, 3 UI, 2 BO
JC-VAV1732-0: 32-bit, integrated VAV controller/actuator/pressure sensor – DPT for
cooling and reheat, 3 UI, 3 BO, 2 CO
Communications protocol
BACnet MS/TP, N2
Supply voltage
24 VAC (nominal, 20 VAC minimum/30 VAC maximum), 50/60 Hz, Power Supply Class 2
(North America), Safety Extra-Low Voltage (SELV) (Europe)
Power consumption
14 VA maximum
Ambient conditions
Operating: 0°C to 50°C (32°F to 122°F), 10% to 90% RH noncondensing
Storage: -40°C to 70°C (-40°F to 158°F), 5% to 95% RH noncondensing
Terminations
Inputs, outputs, SA bus, and supply power: 6.3 mm (1/4 in.) spade lugs
FC bus: pluggable screw terminal block
TSTAT modular port: RJ-45 8-pin modular jack
SA bus modular port: RJ-12 6-pin modular jack
Controller addressing for BACnet MS/TP
DIP switch set; valid field controller device addresses 4 to 127
(Device addresses 0 to 3 and 128 to 255 are reserved and not valid field controller
addresses.)
Controller Addressing for N2
DIP switch set; valid field controller device addresses 1 to 254
Communications bus
RS-485:
FC bus: 0.6 mm (22 AWG) standard 3-wire, twisted, shielded cable recommended
between the supervisory controller and the VAV controller
SA bus: 0.6 mm (22 AWG) stranded, 4-wire (2-twisted pairs) shielded cable recommended
from the VAV controller to network sensors and other sensor and actuator devices;
includes a terminal to source 15 VDC supply power from the controller to SA bus devices
TSTAT port: 8-pin RJ-45 connector, 1 SA, 2 UI
SA bus port: 6-pin RJ-12 connector
Note:
For more information, refer to the
MS/TP Communications Bus Technical
Bulletin (LIT-12011034)
.
Processor
RX651 32-bit Renesas
®
microcontroller
Memory
16 MB flash memory and 8 MB SDRAM
Input and Output Capabilities
Universal Input (UI):
user-configurable, three available modes:
•
Voltage input: 0 VDC to 10 VDC
•
Resistive (0k ohm to 600k ohm), qualified sensors: 0-2k ohm potentiometer, RTD
(1k Ni, 1k Pt, A99B Si), NTC (10k Type L, 2.252k Type 2)
•
Dry-contact maintained binary
Binary Output (BO):
24 VAC Triac, internal power. Shared common terminal between all
BO Triacs.
Configurable Output (CO):
available on JC-VAV1732-0, user-configurable, two available
modes:
•
Voltage output: 0 VDC to 10 VDC, 10 mA; Same circuit as modules logic circuitry (0 V
to 10 V or 4 mA to 20 mA); SELV, Limited Power (<15 Watts), Class 2
•
Triac output: 24 VAC, 500 mA (externally sourced); Isolated circuits; SELV, 24 VAC,
0.5 A resistive; Not-limited power (>15 Watts) Class 2
Universal input resolution
UI analog input: 15-bit resolution
Configurable Output Mode Accuracy
0 to 10 VDC ± 200 mV
VAV1717 and VAV1732 VAV Controllers Installation Guide
22