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Suspension
Rods
Indoor Unit
Install a trap for each indoor unit.
Do not overtighten drain fitting.
Do not operate unit without condensate drain trap.
Indoor Unit
INDIVIDUAL DRAIN OUTLET FROM EACH INDOOR UNIT
(Must be connected to internal pump and must be routed to
7. In all cases, drain should be as short as possible and
should not have any droops or kinks that would restrict
condensate flow and shall be constructed using an
approved pipe. All drains should contain traps. There
must be a 2inch space between the end of the
condensate drain and the final termination point
(ground, open drain, etc.) to ensure that the line
will drain freely.
Capacity
Brand
Lennox VRF Drain Pump Kit
VOSB072-096
Blue
Diamond
*Optional pump maximum suction lift is measured from the pump outlet.
Install an anti-siphon vent for each trap - must extend above
the height of the coil drain pan by 2" (51 mm).
Clean Out
n I
d
o
r o
U
3"
3"
Figure 12. Sloped Condensate Gravity Drain
Multiple Indoor Units
8 in.
2~3-15/16 in.
n I
d
o
r o
U
n
t i
main drain as shown.)
Figure 13. Condensate Drain with Lift Pump
Multiple Indoor Units
Table 3. Condensate Pump Accessory Options
Model Name
MegaBlue
Clean Out
Vent
n
t i
n I
3"
3"
NOTE - Drain line should be sloped 1/4 inch per foot (18 mm per m)
AWAY from unit and should be supported as needed to prevent sagging.
8 in.
2~3-15/16 in.
n I
d
o
r o
(Sloped at 1/4" per foot (6 mm per 305 mm) AWAY
from unit and should be supported as needed to prevent sagging.)
8. After
system
condensate drain line must be checked for leaks
and if a condensate pump has been fitted, it must
be checked to ensure proper operation. This
check is part of the commissioning procedure.
Model #
Cat #
V8DRNP05
17U32
X87-835
14T71
12
1 ft.
(305 mm) max
Clean Out
Vent
d
o
r o
U
n
t i
3"
3"
8 in.
2~3-15/16 in.
U
n
t i
MAIN DRAIN
installation
is
Max Flow
Max
Rate
head
(gal per hr)
-
18 in
13.2
66.5 ft
3 ft.
(1 m)
Support
straps
complete,
the
Max
suction
lift*
-
23 ft
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