Veeder-Root EMR3 Installation Manual page 46

3
EMR Terminal - Fueling Depot Installation
3
Installation of the EMR
installing any optional devices (e.g., remote pulser, printer, etc.). Figure 32 shows an example dual Display Head
installation.
emr\terdia3nosolvlv.eps
120 or 240 Vac line
12 Vdc
Power
Supply
UL approved 120W
Blk/Wht (-)
Blk (+) 12 Vdc
Customer supplied
wiring & rigid conduit
Printer
Data
(RS-232)
Power
24 Vdc
EPSON U220 ROLL
VR P/N 331791-001
I.S.
Temp
Probe
Figure 32. Example terminal- fueling depot installation with 2 Display Heads and remote pulser
System involves installing the Display Head(s), installing the interconnect box, and
Control Drawing
AC Power Protector
120 or 240 Vac
line cord
UPS
NON-HAZARDOUS
Interconnection
Box
Intrinsically
12 AWG
safe barrier
Barrier
Ground
HAZARDOUS
LOCATION
12 Vdc Data (RS-485)
MODE PRESET
START
NEXT
FINISH
ENTER
VOLUME CURRENCY RATE SETUP
Display Head 1
(Meter 1)
TERMINAL
OFFICE
LOCATION
I.S.
Rigid conduit
Seal-off
12 Vdc
Max. cable length
1000 ft. (304.8 m)
Data (RS-485)
5 Vdc
Pulse Input
I.S.
Max. cable length
35 ft. (10.6 m)
I.S.
41
THE FOLLOWING INFORMATION IS FOR GENERAL REFERENCE
AND IS NOT INTENDED TO REPLACE RECOMMENDED
NATIONAL ELECTRIC CODE (NEC) PROCEDURES. IT IS
IMPORTANT FOR THE INSTALLER TO UNDERSTAND THAT
WIRING LOCATED IN CLASS I, GROUP D DIVISION 1 AND 2
INSTALLATIONS SHALL COMPLY WITH THE LATEST APPRO-
PRIATE ARTICLES FOUND IN THE NATIONAL ELECTRIC CODE
(NFPA 70).
IMPORTANT: THIS IS A CONTROL DRAWING ONLY AND DOES
NOT REFLECT THE ACTUAL LOCATIONS OF CONDUIT ENTRY.
WARNING: IN INSTALLATION AND USE OF THIS PRODUCT,
COMPLY WITH THE NATIONAL ELECTRICAL CODE; FEDERAL,
STATE AND LOCAL CODES. IN ADDITION, TURN OFF POWER
AND TAKE OTHER NECESSARY PRECAUTIONS DURING
INSTALLATION, SERVICE AND REPAIR TO PREVENT PERSONAL
INJURY, PROPERTY LOSS AND EQUIPMENT DAMAGE.
WARNING: DISCONNECT ALL POWER BEFORE MAKING ANY
CONNECTIONS TO PREVENT DEATH, SERIOUS INJURY,
EXPLOSION, OR ELECTRICAL SHOCK. THE DISPLAY HEAD
MUST NEVER BE OPERATED UNLESS THE FRONT COVER IS
CLOSED OVER THE BARRIER
INTRINSICALLY SAFE AREA OF THE INTERCONNECTION BOX.
1. INTRINSICALLY SAFE WIRING (MARKED
INSTALLED IN ACCORDANCE WITH ARTICLE 504-20 OF THE
NEC, ANSI/NFPA 70.
2. IN THE NON-INTRINSICALLY SAFE COMPARTMENT OF THE
INTERCONNECTION BOX, CONNECT THE #12 AWG OR
LARGER DIAMETER BARRIER WIRE TO A GROUND LUG.
3. TO MAINTAIN INTRINSIC SAFETY, DISPLAY HEAD TO
INTERCONNECTION BOX WIRING MUST BE RUN IN
DEDICATED CONDUIT. MAXIMUM CABLE LENGTH IS 1,000
FEET (304.8 M).
MODE
START
NEXT
FINISH
ENTER
VOLUME CURRENCY RATE SETUP
Top mount
Remote Pulser
Front mount
Meter 2
Remote Pulser
TERMINALS IN THE
I.S.
) SHALL BE
PRESET
Remote
Display Head 2
I.S.
Temp
Probe
OR