Roberts Gorden UltraVac URVBNC, Installation Manual

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ROBERTS GORDON
®
ULTRAVAC™ C
ONTROLLER
I
NSTALLATION
M
ANUAL
2 of 65
ranty. See Page 61, Section .
ROBERTS GORDON ® ULTRAVAC™ Software
requires a PC (not supplied) running Windows ® 95 or
higher, with a Pentium ® class processor and at least
64k of RAM.
The controller, variable frequency drive, burners,
repeater, pump and outside air blower must be
electrically grounded in accordance with the National
Electrical Code
®
ANSI/NFPA 70 - latest revision.
Before proceeding with the installation of the control-
ler, it will be necessary to check that the following
points have been considered:
1.6 CORAYVAC ® Design Requirements
CORAYVAC ® burners shall be CRV B-6, B-8, B-9,
B-10 or B-12 burners.
CORAYVAC
®
systems designed shall have
minimum radiant pipe length and 1.5 - 2.0 feet per
flow unit of tailpipe length.
-OR-
CORAYVAC ® systems designed shall have
recommended radiant pipe length and 1.2 - 1.5 feet
per flow unit of tailpipe length. See the CORAYVAC ®
Design Manual (P/N 127500NA) for minimum and
recommended radiant pipe length.
1.7 Example Site Layout
Page 11, Figure 2 is an example layout for a building
where ROBERTS GORDON ® ULTRAVAC™ will be
used to control the infrared heating systems shown.
The layout consists of three zones of ROBERTS
GORDON ® ULTRAVAC™.
1.8 Control Board and Sensor Power
The power supply for all sensors is from the “+32 V”
terminal on the control board. Power for the control
board is 24 V provided by the relay board.