Installation and Service Manual

September, 2006
INSTALLATION INSTRUCTIONS
vertical deflector blades horizontal steam/hot water unit heaters
model series HSB/HC/WTC/WSC
1-551.4
5H602528A Rev. J
Model Sizes 18 & 24
1. Removal of horizontal deflector blades (Figure 1).
a. Push horizontal deflector blade against coil spring until
it is compressed.
b. While coil spring is compressed, pop out deflector blade
from opposite end.
2. Mounting flange installation (Figure 3).
Using the mounting flanges as templates, drill holes in top
and bottom unit casing and fasten with sheet metal screws
(by others) as shown in Figure 3.
3. Replacement of horizontal deflector blades (Figure 1).
a. Replace coil spring on horizontal deflector blade (the
spring should be located so that it is on the left side
when facing unit. The blade should curve downward
with the rounded edges facing outward).
b. Insert left tab of horizontal deflector blade (with coil
spring intact) into hole and compress coil spring.
c. Insert other tab into hole on opposite side of unit heater.
4. Vertical deflector blade installation (Figure 3).
a. Insert the support rod through the holes provided in the
mounting flanges. Secure this support with the acorn
push nuts provided.
b. Assemble the coil spring provided to the straight end of
each deflector blade and insert the ends of the blades
with the coil springs into holes in mounting flanges.
Push the deflector blade until the beveled end slips into
the hole of the opposite mounting flange.
Model Sizes 33 thru 193
1. Removal of horizontal deflector blades (Figure 1).
a. Push horizontal deflector blade against coil spring until
it is compressed.
b. While coil spring is compressed, pop out deflector blade
from opposite end.
2. Vertical deflector blade installation (Figure 2).
a. Place coil spring on bottom end of the vertical deflector
blade.
b. Insert bottom tab of vertical deflector blade (with coil
spring intact) into the embossed hole provided on the
bottom unit baffle.
c. Push deflector blade against coil spring until it is
compressed.
d. Insert top tab of vertical deflector into hole provided in
upper unit baffle (if correctly inserted the deflector blade
will be straight up and down and can be turned from
side to side).
3. Replacement of horizontal deflector blades (Figure 4).
a. Replace coil spring on horizontal deflector blade (the
spring should be located so that it is on the left side
when facing unit. The blade should curve downward
with the rounded edges facing outward).
b. Insert left tab of horizontal deflector blade (with coil
spring intact) into hole and compress coil spring.
c. Insert other tab into hole on opposite side of unit heater.
Figure 1
Detaching Horizontal Blades
Figure 3
Horizontal and Vertical Blades Installed
Model Sizes 18 & 24
Figure 4
Horizontal and Vertical Blades Installed
Model Sizes 33 thru 193
Figure 2
Vertical Blades Installed
ROUNDED
EDGES
VERTICAL
DEFLECTOR
BLADE
COIL
SPRING
HORIZONTAL
DEFLECTOR
BLADE
MOUNTING
FLANGE
(TOP & BOTTOM)
COIL
SPRING
SUPPORT
ROD
COIL
SPRING
Commercial HVAC&R Division • Modine Manufacturing Company • 1500 DeKoven Avenue • Racine, Wisconsin 53403-2552
“HSB/HC” Model Series - Phone: [phone] (HEAT) • Fax: [phone]
“WTC/WSC” Model Series - Phone: [phone] (Toll Free) • Fax: [phone]
© Modine Manufacturing Company 2006 8/06 - Litho in USA