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9.2. Horizontal right installations
Refer to section 9.3. Step 1 to 4 & 12 for removing the entire coil
assembly from the air handler cabinet. This will require removing
the Filter, Blower, Electrical and Coil Panels along with the brackets
that secure the coil assembly. Be sure to also route the thermistor
wires out of the electrical portion of the air handler so the coil can be
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12
removed.
Once the coil is removed, the two clear plastic tubes included in
the accessory bag will need to be attached to the top drain pan.
First, remove the lower rubber plugs in the top drain pan. Next,
install the clear plastic tubes which are included in the accessory
bag. Ensure the plastic tubes drain into the pan. Also, be sure the
clear plastic tubes do not have any restriction. Cutting of the plastic
tube is required, please refer to the table for length. Finally, secure
the clear plastic tubes to the top drain pan per Detail A. Then to
the metal brackets supporting the coil to the top drain pan with the
provided plastic ties as shown.
5
6
DETAIL B
E
F
G
13
14
H
I
Creo : 0_TOP_ASSY_L_21554B2.drw ( )
J
1
2
3
RUBBER PLUGS
SEE
DETAIL A
SECURE WITH
PLASTIC TIES
2 PER SIDE
2 PLASTIC TUBES
ENSURE TUBES
DRAIN INTO PAN
7
8
CORRECT
PLASTIC TIE
15
16
PLASTIC TUBE
Model
PVA-A12, A18
4
5
6
7
PVA-A24, 30
PVA-A36, 42
*Tube length provided.
Reinstall the coil assembly along with bracket(s) that secure(s)
proper knockouts are removed for drainage and electrical
it. Failure to reinstall the brackets will result in capacity loss and
connections.
NOTE: For Horizontal installation an auxiliary drain pan must be
condensation formation inside the cabinet. The wiring harness for
installed.
the thermistor connector will also reroute into the electrical section
and plug into CN44. Refer to 9.3. Step 1 to 4 in reverse order to
reassemble the panels. Ensure the proper knockouts are removed
for drainage and electrical connections.
NOTE: For Horizontal installation an auxiliary drain pan must be
installed.
AIRFLOW
Fan assembly rotation not required
9.D. Downflow Installations:
various changes to the air handler from its original configuration.
There are NO additional kits or parts required in order to convert the
Air Handler to the downflow configuration.
9
ITEM
MODEL NAME
COMMERCIAL TOLERANCE
WORK
GRADE
CASTING
FINE COARSE
PRESS WORKING
A
B
D
E
INCORRECT
5/8"
(15mm)
A
DETAIL A
Tube Length
B
4.9 in. (125 mm)
8
9
10
6.9 in. (175 mm)
*8.9 in. (225 mm)
C
D
E
PRIMARY
DRAIN
3/4" FPT
Horizontal Right
F
Downflow installation requires
G
10
11
H
I
C
PLASTIC TIE
PLASTIC TUBE
DIM.mm
D
DR
SCALE
0.200
CHE
NTS
DES
11
12
C
Auxiliary
drain pan
Step.2
A. Remove
B. Unplug th
board and ro
rubber grom
C. Remove
already don
D. Slide the
DIM.mm
SCALE
0.200
NTS
12
Step. 3 Rota
9
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