10
Enerco | Heatstar ER2STG Tube Series Heater
Operating Instructions and Owner’s Manual
Couplings:
Tube and tube fittings are connected by wrap-
around couplings which clamp by means of
a tapered, hammer-driven lock member. The
starting ends of the coupling and lock member
are identified by 1/4” holes which are put
together when starting assembly. Be sure the
tube ends are in line and tube ends butt against
stop pin(s) inside coupling. The slide bar is to be
hammer-driven to a point of securing the coupling
snugly to the tubes. Over-driving will result in
distortion of the coupling or slide bar lip to a
point decreasing the holding the capability of the
coupling. (See Figure 4)
90° Elbow
Elbow Fitting Dimensions
FIGURE 5: Installation of Elbow & Coupling
Elbow Package:
Stk. # F106415 Elbow Package includes:
(1) elbow, (1) coupling and (1) refelctor.
Install elbow into radiant tube sequence
where plans indicate a 90° bend
U-Tube Fitting Dimensions
180° U-Tube
Stk. # i
ncludes:
F106414 U-Tube Package
(1)U -tube, (1) coupling and (2)
radiant tube sequence where plans
indicate a 180° bend
COUPLING ASSEMBLY
Coupling (Less Key) - 14612
Key for Coupling - 14616
Tighten
Loosen
Hole 1
Coupling
Assembly
Impact
Block
Hole 2
When assembling coupling note
the location of Hole 1 and Hole 2
Orient coupling so that
the impact block is above
tube centerline.
TUBE COUPLING
KEY for COUPLING
FIGURE 4:
(38.73 CM)
(15.24 CM)
18"
(45cm)
10"
(25cm)
(10cm)
(43cm)
9"
(22cm)
Radius
