Milnor 5050, Руководство по обслуживанию

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Pellerin Milnor Corporation
Set the Heating System—Air Heat Dryer
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This document applies to gas dryers with an air heat burner. See document BNDGUM02 for gas
dryers with a ratio air burner.
1. About the Procedure
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The differences between an air heat burner and a ratio air burner are important with regard to re-
placement parts and the procedure you use to set or confirm the correct gas and air flows.
Table 1. Current Dryer Models and Burner Types
Burner Type /
Dryer Model
5050TG1_ 6450TG1_ 6458TG1_ 6464TG1_ 7676TG1_ 8282TG1_
Air Heat only optional standard standard
Ratio Air standard optional optional only only
It can be necessary to set the heating system when the dryer is installed and when components of
the gas train are replaced. You must be a technician trained to do work on gas trains and familiar
with gas train components.
Necessary test equipment includes:
• A manometer such as Dwyer model 3T294.
• Tubes and fittings to connect to the taps (test ports) shown herein.
• In some cases, a fitting with a valve to control the gas released from the tap.
When you set the heating system, you will do a sequence of steps. In most steps you will make
the necessary adjustments to change a measured pressure to match a specified value. Some terms
used in this instruction are:
gas train
the group of valves and related components that controls the flow of natural gas or
propane into the dryer
flame control an electronic module that monitors and maintains a safe flame. Milnor ® system
dryers use two brands of flame control: Fireye (primarily for the USA and Canada) and
Gyr
(primarily for Europe).
setup mode a method of performing adjustments that activates the appropriate components for
a given adjustment step. If your machine has the Fireye flame control, you must use the setup
mode to make adjustments.
manual method a method of performing adjustments that runs a dry code manually and per-
mits you to specify certain conditions for a given adjustment step. If your machine has the
Gyr flame control, you must use the manual method to make adjustments.
manometer
an instrument to measure fluid pressure
Reset button symbolized in this procedure, refers to both the physical push button used to
cancel a blinking light on the dryer status light panel and to the reset button on the flame con-
trol (Fireye or Gyr). In this procedure, use whichever reset component applies to the
task.
Signal Cancel button
symbolized in this procedure, refers to the button on the dryer con-
troller screen used to cancel the operator alarm.
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