9 | P a g e
WORKING PRINCIPLES (cont'd)
All models are equipped with a 24 hour programmable timer. The timer is mounted in a
NEMA approved, water-resistant, lockable, steel enclosure for pre-programmed,
unattended operation. The programmable timer enables the fan and spray to be turned
on and off automatically. Once this sequence is programmed into the timer, it remains
in memory even when power is disconnected.
The formulation and flush tanks are manufactured from chemical resistant, high-density-
polyethylene. The formulation tank capacity is 2.5 US gallons (9.5 ltrs) , and the flush
tank capacity is .5 US gallons (1.9 ltrs). The formulation and flush tank are plumbed in
parallel so that the entire system is cleaned when the automatic flushing system is
activated.
3.0
PREPARING TO SPRAY
WARNING; This device is designed to dispense chemical sol tions in an aerosol
form. Most of the chemical sol tions that may be dispensed with this machine
req ire registration or approval by vario s government agencies. Use of some
chemicals may be restricted, reg lated, or prohibited in some areas. Always
thoro ghly read and follow the information provided by the form lation
man fact rers label and on the Material Safety Data Sheet (MSDS) before
applying the chemical. Know any dangers of the sol tion sed and what to do in
case of an accident involving the sol tion.
The NIGHTSTAR™ is designed to create an equal number of uniform droplets at each
flow rate selected. To assure that the machine is producing the most effective droplet
size for your application, you must determine the flow rate of the liquid you intend to
spray. Table 1 lists the orifice sizes and their corresponding flow rates using water as
the liquid being sprayed. . For your machine to perform efficiently as possible, you need
to determine the viscosity (flowability) of the liquid you are intending to spray. See the
description below for FORMULATION VISCOSITY.
FORMULATION VISCOSITY As the viscosity of any formulation increases (gets thicker)
, the flow rate thru the machine decreases. The viscosity of the formulation that you are
using can be determined by using the CURTIS VISCO-METER supplied with your
machine. To use the Visco-Meter, fill the meter with a sample of the pre-mixed
formulation you intend to spray. Time in seconds how long it takes for the liquid level to
fall from the top line marked on the side of the meter to the bottom line of the meter.
(Ordinary tap water at 8 degrees F. will flow the distance between these two lines in
approximately 32 seconds) .
NOTE: ALWAYS HANDLE AND DISPOSE OF ALL CHEMICALS IN ACCORDANCE
WITH THE MANUFACTURERS INSTRUCTIONS AND THE MATERIAL SAFETY
DATA SHEET FOR THE CHEMICAL BEING USED.
