1 68-0160
VR8345M
Universal Electronic Ignition
Gas Control
68-0160
R.R. • 3-95 • ©Honeywell Inc. 1995
The VR8345M Universal Electronic Ignition
Gas Control is used in gas-fired appliances with
capacities up to 300 cu ft/hour at 1 inch wc pres-
sure drop [8.5 cu m/hour at 0.25 kPa] for natural
gas. The VR8345M will operate with a direct spark
ignition (DSI), hot surface ignition (HSI) or inter-
mittent pilot ignition. The control includes a
manual valve, two automatic operators, a pres-
sure regulator, pilot adjustment, pilot plug, and
ignition adapter.
■ Compatible with hot surface pilot, intermittent pilot
and direct spark ignition.
■ Replaces virtually any IP, HSI or DSI gas control.
■ For use with 24 Vac heating appliances that burn
natural or manufactured gas or liquiefied petroleum
(LP) gas. (Includes converter kit to adapt from natu-
ral gas to LP gas.)
■ Compact to fit into tightly packed, high efficiency
heating equipment.
■ Works with virtually all residential equipment and
all but the largest commercial equipment, with a
regulation capacity range of 30,000 to 415,000 Btuh
natural gas (48,600 to 672,300 LP gas).
■ All adjustments and wiring connections accessible
from top of control.
■ Straight-through body pattern.
■ 1/8 in. NPT inlet and outlet taps on top of gas
control aid adjustment of gas pressure in problem
installations.
■ 3/4 in. x 3/4 in. inlet and outlet fit easily on high
capacity systems plus others using 1/2 in. reducer
bushings.
■ 4.0 in. swing radius allows easy rotation into position
inside the tightest furnace vestibules.
■ Can be installed at any angle including vertically be-
tween 0 and 90 degrees from the upright position.
■ Clearly marked, keyed termianl block allows quick
attachment of wires and IP/DSI/HSI jumper. Keyed
jumper cannot be incorrectly inserted.
■ Internal inlet screen blocks contaminants in gas line
from entering valve.
■ -40°F to +175°F (-40°C to +79°C) temperature range
standard.
■ Standard opening.
CONTENTS
Specifications .................................................2
Ordering Information.....................................2
Installation .....................................................3
Startup and Checkout ...................................11
Maintenance .................................................13
Operation .....................................................14
Service ..........................................................17