Honeywell L404T - Manual
Honeywell L404T – Manual, read for free online in PDF format. We hope this helps you resolve any issues you may have. If you have further questions, please contact us through the contact form.
Table of Contents:
- Page 2 – ORDERING INFORMATION; SPECIFICATIONS
- Page 4 – INSTALLATION; When Installing This Product...; Pressure Gauge Mounting
- Page 5 – Using with Preheated Oil; WIRING; WARNING
- Page 6 – SETTINGS AND ADJUSTMENTS; Setpoint Adjustment
- Page 7 – Scaleplate Adjustment; CHECKOUT
PRODUCT DATA
71-2429-06
L404F,T,V
PressureTrol
®
Controllers
APPLICATION
L404F PressureTrol
®
Controllers provide operating control
with automatic limit protection for pressure systems of up to
2070 kPa, or 300 psi.
L404T,V PressureTrol
®
Controllers are for use on oil burner
systems for pressures up to 1035 kPa or 150 psi.
FEATURES
• Models available in a series of control ranges, and
pressure scales in kPa and psi.
• All models automatically reset and have an adjustable
differential.
• Models have snap switch to open or close a circuit on
a pressure rise.
• Case has a clear plastic cover so setpoints can be
observed.
• 1/4 inch—18 NPT connection for pipe on diaphragm
assembly.
• Ground screw terminal.
L404F:
• Controllers may be used with steam, air, or
noncombustible gases, or fluids noncorrosive to the
pressure sensing element.
L404T:
• High pressure limits, break a circuit on oil pressure
rise above setpoint.
L404V:
• Low pressure limits, makes a circuit on oil pressure
rise above setpoint.
Contents
Application ........................................................................
Features ...........................................................................
Specifications ...................................................................
Ordering Information ........................................................
Installation ........................................................................
Settings and Adjustments .................................................
Checkout ..........................................................................
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Summary
L404F,T,V PRESSURETROL ® CONTROLLERS 71-2429—06 2 ORDERING INFORMATION When purchasing replacement and modernization products from your TRADELINE® wholesaler or distributor, refer to the TRADELINE® Catalog or price sheets for complete ordering number. If you have additional questions, need further i...
L404F,T,V PRESSURETROL ® CONTROLLERS 71-2429—06 4 INSTALLATION When Installing This Product… 1. Read these instructions carefully. Failure to follow them could damage the product or cause a hazardous condition. 2. Check on the ratings given in the instructions and marked on the product to make sure ...
L404F,T,V PRESSURETROL ® CONTROLLERS 5 71-2429—06 Fig. 3. Typical locations of pressure controllers in an oil burner system. Fig. 4. Mounting an oil pressure controller directly on the main pipe. Using with Preheated Oil When used with preheated oil, a siphon loop must always be connected between th...
