nvent ACS-UIT2 Installation Instructions Manual

ACS-UIT2
Remote User Interface Terminal For nVent RAYCHEM
ACS-30 Systems Installation Instructions
Kit Contents
Qty Description
1 ACS-UIT2 display
4 Elastomeric washers
1 5-ft 9-pin RS-232 (Null Modem) cable
4 Enclosure-mounting tabs
General
Area of use Nonhazardous, Indoors and outdoors
(IP65, Type 4)
Supply voltage 100 – 240 Vac ±10%, 50/60 Hz
Supply terminal 26 – 12 AWG
Operating temperature –25°C to 50°C (–13°F to 122°F)
Storage temperature –25°C to 80°C (–13°F to 176°F)
Dimensions 386 mm W X 336 mm H X 180 mm D
(15.21 in. W X 13.21 in. H X 7.09 in. D)
Alarm Outputs
Relay outputs Three form C relays rated at 12 A @ 250 Vac.
One relay used for common alarm light. Relays
may be assigned for alarm outputs.
LCD Display
Display LCD is a 8.4 inch XGA, color TFT transflective device
with integral LED backlight
Touch screen 5-wire resistive touch screen interface for user entry.
WARNING:
Fire Hazard: The ACS-UIT2 must not be used
in hazardous locations. Electrical components
within the unit could ignite flammable gases. Do
not install the unit where it may be exposed to
flammable gases.
Description
The nVent RAYCHEM ACS-UIT2 is a wall-mounted display
which allows the User Interface Terminal (UIT) to be installed
remotely. The ACS-UIT2 is used with nVent RAYCHEM ACS-30
series control and monitoring systems. The ACS-UIT2 is rated
IP 65 (Type 4), and is approved for nonhazardous indoor and
outdoor locations. These instructions describe how to mount the
ACS-UIT2 on a wall and how to make connections to the User
Interface Terminal and are intended for a qualified electrician.
Tools Required
• Small flat-head screwdriver • Phillips (cross-head) screwdriver
• Drill or hole punch for electrical conduit entries
Additional Materials Required
• Wall fasteners for surface mounting (four #1/4-20 bolts)
• RS-485 cable (Belden # 8761 or Carol # C2514)
Approvals
Nonhazardous Locations
LR67275
Network Connection
Local/Remote Port
Local RS-232
Remote RS-485 #2
Data rate
Maximum
cable length
Field Port
Field RS-485 #1
Data rate
LAN
USB Ports
IMPORTANT:
The ACS-UIT2 is an electronic device. During
installation, take the following precautions to avoid
damage to its electronic components.
• Handle with care to avoid mechanical damage.
• Keep electronics dry.
• Avoid exposure to static electricity.
RS-232/RS-485 ports (RS-485, 2-wire isolated)
may be used to communicate with host computers
(ACS-30 Program Integrator) or DCS
A non-isolated, 9 pin D sub male
10 pin terminal block, 24–12 AWG
(0.2 mm to 2.5 mm ) wire size
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9600 to 57600 baud
For RS-485 not to exceed 1200 m (4000 ft). Cable
to be shielded twisted pair.
RS-485, 2-wire isolated. Used to communicate with
external devices, such as ACS-PCM2-5, ACS-CRM and
RMM2. Maximum cable length not to exceed 1200 m
(4000 ft). Cable to be shielded twisted pair.
10 pin terminal block, 0.2 mm to 2.5 mm
(24–12 AWG) wire size
To 9600 baud
10/100 Base-T Ethernet port with Link and Activity
Status LEDs
USB 2.0 Host port Type A receptacle (X2)
• Avoid contamination with metal filings, liquids,
or other foreign matter.
• Take care to protect the user interface board on the
enclosure door.
• Use agency-approved conduit bushings,
adapters, and cable glands to keep the
enclosure protected from dust and fluids.
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