Condensate Piping; Duct Collars - Modine Manufacturing SSD Installation And Service Manual

INSTALLATION
Figure 9.1 - Threaded Rod Dimension

Condensate Piping

The unit is supplied with a 3/8" ID flexible hose for connection to
copper or plastic drain piping.
When installing the unit consider the following:
1. Maximum pump lift is 30 in (76.2 cm).
2. The highest point in the condensate piping should be as
close to the unit as possible.
3. Condensate piping should slope downwards in the direction
of water flow with a minimum gradient of 1 in per 100 in
(2.54 cm per 254 cm). There must not be any upward
gradients other than in the first 30 in (76.2 cm) of piping
from the unit. Once the piping begins the downward
gradient, the piping must continue to be in a downward
gradient. See Figure 9.2.
Figure 9.2 - Condensate Piping
30 in
(76.2 cm)
Max
4. When multiple units are connected to a common
condensate drain, ensure the drain is large enough to
contain the volume of condensate from all units. It is
recommended to have an air vent in the condensate piping
to prevent any air locks.
5. Condensate piping must not be installed where it may be
exposed to freezing temperatures.

Duct Collars

Supply air branch duct and outside air duct collars can be
attached to the unit chassis by following the below steps:
3/8 in
Supply Air Duct Collars:
1.
2.
Threaded Rod
< 2 in (5 cm)
Outside Air Duct Collars:
1.
2.
3.
Installing Outside and/or Supply Air Duct Collars:
1.
2.
3.
4.
5.
Figure 9.3 - Duct Collar Assembly
Note:


8-504.11
Up to two supply air ducts can be attached per unit.
Place the polystyrene blanking strip in the fascia supply air
opening on the same side where the supply duct collar is to
be installed.
Two outside air openings are available on small casing
sizes (size 08 & 12). Three outside air openings are
available on medium and large casing sizes (size 18 and
higher).
Replace the washable filter with the pleated filter provided
with the fresh air duct collar kit.
To maximize the amount of outside air through the
knockouts, use all available fresh air openings, the pleated
filter, and high fan speed.
Refer to the dimensional drawing on page 20 page 24
to for knock-out hole locations.
The insulation is pre-cut to aid location and removal of the
relevant section. Rub hand across surface of insulation to
reveal exact location of knock-out.
Remove the metal knockout from the chassis.
Place the duct collar's tabs inside the duct collar flange's
opening. Bend the tabs around the duct collar flange's
opening.
Using field provided self-tapping screws, attach the duct
flange and collar to the chassis with the bent tabs being
sealed in between the unit chassis and duct collar flange.
See Figure 9.3 for duct collar assembly.
UNIT CHASSIS
DUCT COLLAR FLANGE
DUCT COLLAR
See Figure 20.1, Figure 21.1, Figure 22.1, Figure 23.1
and Figure 24.1 for Branch Duct and Fresh Air Duct
locations and dimensions.
OUTSIDE AIR KNOCKOUT
9