Features - Honeywell vk41 series Handbook

FEATURES

General
• All burner control safety functions concentrated in one reli-
able and optimized system.
• Specially designed to provide the optimum system solution
in gas appliances with a DBI or IP system to light the main
burner.
• Both gas control and ignition control incorporate time
proven design concepts assuring reliability.
• ON/OFF control of main burner by electric operator and
electric servo operator directly energized from ignition con-
trol.
• Easy assembly of ignition control on gas control by plug-
ging it on from the top.
• Mounting orientation may be within 90
from the electric on/off operator upright position.
Gas control
• Inlet ∅ 18.6 mm and outlet ∅ 18.6 mm connections are
straight through and can receive flanges.
• The following closing force models are available: B + J;
B + C; B + B.
• Servo pressure regulator provides stable outlet pressure.
• Pressure feedback ensures constant burner pressure in
relation to combustion chamber pressure.
• All adjustments are accessible from the top.
• 9 mm diameter pressure taps on top face for checking inlet
and outlet pressure
• An internal fine mesh screen is incorporated at the inlet of
the gas control. This screen is not removable for cleaning.
•
An outlet screen is optional.
• Two mounting holes for self tapping screws are at the bot-
tom of the gas control for rigid attachment to the appliance.
Functional options
• Fast open and
SOFTLITE
• Fully adjustable
SOFTLITE
light-up of burner and for changing over from one gas to
another.
NOTE: opening is not always available when the
SOFTLITE
second valve is classified as a class B valve.
• 100 mbar inlet pressure versions available on request
• Throttle valve versions
• Electrical modulation (Modureg) or CVI-m.
• Electrical High-Low control.
• Pilot outlet for IP system
• Gas/Air ratio version available.
in any direction
°
versions
option to facilitate the smooth
Gas connection options
• Internal thread (ISO 7-1), external thread (ISO-R228) or
flanged connections. See table 4, 5, 6 and 7, page 9.
• Side outlet option for both main and pilot gas.
• The side outlet for pilot and main gas can only be con-
nected to a flanged burner manifold.
• Pilot gas connection for tubing with 4 mm outer diameter is
located at the outlet end of the gas control.
• Pressure feedback fittings for 4 or 6 mm silicon tube can be
mounted.
• End outlet or side outlet
Quick connection for Mini Venturi
Electrical connection options
• The appropriate ignition control can be connected to the
valve by plugging it on.
• Wired plug (IP 40) for connection with a remote ignition
control.
• Rectifier plug (IP 40) for use with any standard DBI ignition
system.
•
24 Volt versions available for use in conjunction with other
ignition controls than S4565/S4585 series.
3 EN2R-9004 0606R20-NE