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General Information
•
Select system components that meet tempera-
ture and pressure ratings listed in Technical
Data, page 28. The heater's normal output range
is adjustable from 84-220°F (29-104°C).
•
To prevent fire and explosion, locate heater away
from all flammable materials and where opera-
tors will not come in contact with hot metal sur-
faces.
•
To avoid burns, insulate and/or label lines and
components exiting heater that may become hot.
NOTICE
The inlet fluid temperature cannot exceed 275°F
(135°C). This will cause the heater to exceed its rated
temperature code.
F
. 2: Typical Temperature Drop
IG
309524V
Selecting Tubing
Fluid loses some heat through the tubing or hose
between the heater and spray gun. Locate heater close
to the spray area to minimize heat loss through plumb-
ing.
The chart in F
mon types of tubing.
Chart Notes:
•
•
•
Heat Loss Curve - 70° F (21° C) ambient
(20 ft.) 6.1 m steel tube
Fluid: (130° F) 54° C
(20 ft.) 6.1 m steel tube
(3/8 in.) 9 mm foam insulation
Fluid: (110° F) 43° C
Flow Rate
. 2 shows a heat loss curve for 3 com-
IG
Higher flow rates have less heat loss.
Foam-insulated steel tubing and high pressure air-
less paint hose retain heat best. Insulated tubing
and hose are more expensive, but higher costs are
commonly offset by lower operating costs.
Locate heater close to spray area to minimize heat
loss through plumbing.
(20 ft.) 6.1 m airless paint hose
Fluid: (110° F) 43° C
Component Identification
9
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