1) With Air handler in the vertical position, remove all three access panels.
4) Knockouts are located within the drain assemblies .Carefully remove only the correct knockouts using
a hammer and screw driver for each application, making sure the primary and secondary drains are
Static pressure
CFM
MODEL
L
630
614
599
585
571
556
536
515
H
900
877
856
835
816
795
766
737
L
---
1125
1093
1062
1033
1006
976
946
H
---
1240
1208
1177
1148
1121
1091
1061
L
---
1480
1442
1404
1366
1328
1290
1252
H
---
---
1650
1605
1560
1515
1470
1425
HB6000VD1M22
H
---
---
1800
1745
1690
1635
1580
1525
HB6000VD1M22-E
H
---
---
1850
1795
1740
1685
1630
1575
HB4800VD1M22
0.25
0.30
0.35
Indoor
fan
speed
0.1
0.15
0.20
TABLE 8-4 Airflow for 13SEER air handers
0.50
HB2400VD1M20
HB3600VD1M22
0.40
left-hand side.
6) Replace the J-shape metal bracket or brackets on the vertical drain pan and place the
over torque screws. Snap in the drain cover on the right lower service panel.
Air handler must be leveled and then pitched 1/4" toward drain side.
Important:
Drain pan must be
HORIZONTAL LEFT-HAND INSTALLATION
Instructions: Follow steps below carefully to modify air handler for left hand.
open and clear of burrs and debris. Remove secondary drain knockout only if this drain is required by
bracket at the rear of the cavity
.
cal codes and practices.
l
local codes and practices.
WARNING:
If incorrect knockouts are removed, water damage could occur.
Note:
Push the assembly completely to the rear of the cavity and assure it slips into channel
Fig.6-5
2) Remove J-shape metal bracket holding coil pan in place. Slide out the "A" coil pan assembly from
pan drain and also remove the plastic drain cover from the lower left access panel. Fig. 6-5
the air handler cavity with horizontal drain pan on the right side. Remove oval gasket from horizontal
3) Relocate horizontal pan on the left-hand side of the "A" coil assembly.
5) Reinstall
the "A" coil pan assembly
in the Air handler with the horizontal drain pan on the
7) The Air handler can now be placed in its left horizontal position as shown in Fig.6-6. The
tested for proper drainage by pouring water into the pan. Traps must be installed on both the primary drain
plastic oval gasket on horizontal drain pan. Reinstall access panels and flowrator making sure not to
and the secondary drain if used.
12
Central Air Conditioning Model: Air Handler, HB-D series
