Figure 3-11 Kr4 Condenser Mounted With Mounting Channels (Side View); Figure 3-12 Condenser Feed-Thru Plate Kr4 (Single Loop); Figure 3-13 Condenser Feed-Thru Plate Kr4 (Dual Loop) - Carrier Transport Air Conditioning Installation Procedures Manual

Mounting
Channel Roof Bow

Figure 3-11 KR4 Condenser Mounted With Mounting Channels (Side View)

j. After deciding where the feed-thru plate(s) will be lo-
cated, trace around the outside edges of the plate
(See Figure 3-12 or Figure 3-13). Mark all rivet holes
in the plate.
k. Measure 1/4 inch in from the rivet holes and mark for
cut-out. Carefully cut out the feed-thru plate opening
in the bus roof and ceiling.
AC301-082
l. Drill13/64 inch holes in the bus roof using the holes in
the feed-thru plate as a guide. Drill out all holes.
m. Apply sealant around all the holes and under the
plate.
n. Using 3/16 inch rivets, attach plate(s) to the bus roof.
o. Apply sealant around the outside edge of plate(s).
T--311
Apply sealant to unit mounting surface
and rivet heads to prevent water leaks
AC301-029

Figure 3-12 Condenser Feed-Thru Plate KR4 (Single Loop)

Figure 3-13 Condenser Feed-Thru Plate KR4 (Dual Loop)

Two single plates installed on both sides of the
Rooftop Condenser can be used to access
side-mounted evaporators. Single or dual ac-
cess plates can be used for rear-mounted
evaporators.
p. Connect the condenser liquid and suction line assem-
blies to the feed-thru plate.
q. Push the condenser electrical harness through the
feed-thru plate tube. Seal around the opening.
r. After connecting refrigerant lines and condenser har-
ness(s) install the condenser cover with hardware
provided.
s. Clean condenser cover with a mild cleaning solution
and clear all debris from the roof of the bus.
3--8
Bus Roof
Roof Bow
NOTE
Cut-Out
Area
Cut-Out
Area