Instructions / Assembly

507296-02C Page 5 of 12mrcool.com
1.
the unit base insulation to access bottom metal covers
underneath the insulation.
2.
3.
bottom duct connections or roof curb seals.
4.
5.
Filters
is limited.
NOTE:
Table 2. Unit Air Filter Sizes - inches
Unit Model Filter 1 Filter 2
NOTE: Install drain lines and trap so they do not block
service access to the unit.
See Figure 5 for proper drain arrangement. The drain line
must pitch to an open drain or pump to prevent clogging
material to prevent air leakage into the return air system.
CAUTION
Minimum Pitch:
Open
Trap must be deep enough to offset maximum static difference
Mounting
Frame
Figure 5. Typical Condensate Drain Connection
Crankcase Heater (if used)
to prevent excessive migration of liquid refrigerant into the
to the unit to keep this feature active.
do not open
the system disconnect switch.
Heater Kit Accessory (if used)
auxiliary heat. A heater kit accessory may also be used. To
1.
access.
Condensate Drain
for condensate line connection. Plumbing must conform
threads.
Do not
The condensate drain line must be properly trapped,
routed to a suitable drain and primed prior to unit
commissioning.