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V100P RADIATOR VALVE FOR ONE-PIPE STEAM SYSTEMS
The V100P is only one component of a one-pipe steam
conversion. Full conversion requires additional
components. For proper temperature control, Honeywell
recommends the following system modifications in
addition to the V100P:
1. A boiler interval timer to provide proper boiler
cycling.
2. Vacuum breakers on the supply piping, or on the
individual radiators to allow air to enter during the
boiler off cycles. Air entry is required to ensure
optimum control.
INSTALLATION
Install V100P Radiator Valves on the vent connection
tapping of a radiator or convector. Use thread sealant
on all connections.
1. Remove old steam/air vent from radiator or
convector.
2. Screw in 1/8 in. male fitting and V100P Valve.
NOTE: The V100P requires horizontal
positioning, or use of a controller with a
remote sensor.
3. Install steam/air vent into V100P.
Home and Building Control
Honeywell Inc.
Honeywell Plaza
P.O. Box 524
Minneapolis, MN 55408-0524
62-3006—1
62-3006—2 B.B. Rev. 10-98
Home and Building Control
Honeywell Limited-Honeywell Limitée
155 Gordon Baker Road
North York, Ontario
M2H 3N7
Printed in U.S.A. on recycled
paper containing at least 10%
post-consumer paper fibers.
2
IMPORTANT
Mount the vent vertically.
4. Install T100 series operator using instructions
included with the unit.
5. Set control to desired setpoint. Valve
automatically controls steam flow to maintain
temperature.
CHECKOUT
If radiator fails to heat:
1. Check that the boiler interval timer is installed
and operating.
2. Check that the vacuum breakers are installed
and operating.
3. Check for proper venting of air:
a.
Turn control setpoint to the highest number.
b.
If no air is released, turn the control setpoint
to minimum and remove the vent.
c.
Check for adequate pressure by slowly
turning the control toward maximum. Steam
flow through the vent port verifies adequate
pressure. Turn setpoint to minimum.
d.
If steam flows through the vent port, repair
or replace vent.
e.
If steam does not flow through the vent port,
check for blockage in the valve body,
cartridge and the piping.
NOTE: See controller Installation Instructions for
additional troubleshooting procedures.
www.honeywell.com
www.honeywell.ca/braukmann/
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