AERCO BMK 3.0 LN Nat. Gas APRIL 2009 - Manual (Page 14)

INSTALLATION
2-4
SHELL DRAIN
VALVE
EXHAUST
MANIFOLD
REAR VIEW
A
A
B
B
CONDENSATE
TRAP
DRAIN
CONNECTING
MANIFOLD
DRAIN
UNIT
FRAME
CONNECTING
MANIFOLD
DRAIN
VALVE
CONDENSATE
DRAIN PIPE
TO
CONDENSATE
TRAP
SHELL
VIEW “B - B” VIEW “A - A”
UNIT
FRAME EXHAUST
MANIFOLD
CONDENSATE
TRAP
DRAIN
HOSE
CLAMP
1" I.D.
HOSE
TO FLOOR
DRAIN
Figure 2-5
Condensate Drain Connection Location
2.6.1 Exhaust Manifold Condensate
Drain
Refer to Figure 2-5, View A – A and install as
follows:
1. Connect a length of 1 inch I.D. hose (part no.
91030) to the drain on the connecting manifold
and secure it in place with a hose clamp.
2. Route the hose to a nearby floor drain.
2.6.2 Connecting Manifold Condensate
Drain
The connecting manifold drain pipe shown in
Figure 2-5, View B – B must be connected to a
separate condensate drain trap external to the
unit. Refer to Figure 2-6 and install the trap as
follows:
The condensate trap described in the
following steps can be installed on the
floor behind the unit as shown in Figure 2-
6. There will be sufficient downward slope
from the drain pipe to the trap inlet to
drain the condensate by gravity. Ensure
that the outlet hose from the trap slopes
away (down) from the trap.
1. Position the supplied condensate trap (part
no. 24060) on the floor at the rear of the
unit.
2. Install 3/4” NPT nipples in the tapped inlet
and outlet of the condensate trap.
3. Attach a length of 1½” I.D (part no. GM-
123352). hose between the connecting
manifold drain pipe and the inlet side of the
condensate trap (Figure 2-6). Secure both
ends of the hose with clamps.
4. Connect a second length of 1” I.D.
polypropylene hose to the outlet side of the
condensate trap and route it to a nearby floor
drain.
If desired, a Tee fitting may be used to connect the
two drain hoses from the exhaust manifold and the
outlet side of the of the condensate trap connected
in
If a floor drain is not available, a condensate pump
can be used to remove the condensate to drain.
The maximum condensate flow rate is 20 GPH.
The condensate drain trap, associated fittings and
drain lines must be removable for routine
maintenance. Therefore, DO NOT hard pipe.
Figure 2-6
Condensate Trap Installation