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c. A common condensate pump/sump may
be used. Run separate piping from each
condensate drain to the sump. A common
drain may be used to discharge condensate
from the sump. Consult pump/sump materials
of construction. If a common sump is used,
individual drain lines should be connected
such that one drain cannot back feed into
another drain. Use Table 3 for sizing the
pump / sump.
Table 3: Typical Condensate Flow Rate
Arctic Model
Max Condensate Flow (gph)
1000
1500
2000
2500
3000
3500
4000
4500
5000
5500
6000
d. Consult local authorities regarding disposal
of flue gas condensate into public waste
water system. Some jurisdictions require that
condensate be buffered before discharge.
This buffering is commonly achieved by
draining the condensate through a limestone
bed. Consult Thermal Solutions or a chemical
treatment company for buffering system.
CAUTION
CAUTION
Failure to properly pipe the condensate system will
greatly reduce boiler life. Do not install plugs, caps,
or valves on condensate piping.
Do not manifold boiler condensate and vent drains
together.
Do not crimp condensate lines or reduce drain line
inner diameter size.
Thermal Solutions, 1175 Manheim Pike, Lancaster, PA 17601 Website: www.thermalsolutions.com
Phone: 717-239-7642 Fax: 877-501-5212 Email: sales@thermalsolutions.com
11.2
16.8
22.4
27.9
33.5
39.1
44.7
50.3
55.8
61.4
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C. Condensate Trap/Drain Assembly
1. The condensate trap/drain assembly, must be
Installed to the outlet in the rear of the boiler.
a. Mount as shown in Figure 5 and Figure 6
(Outlet of the vent is to be level).
b. Insert wires through grommet on back panel
and plug in the two wires into the bullet plugs
inside the back of the boiler.
2. Purpose
a. The flue gas trap prevents flue gases from
escaping into the boiler room.
b. The float switch interrupts the limit string in
the event the drainage of the condensate is
blocked.
Flue Gas Trap
1" PVC Union
Cleanout Port
Outlet (1" PVC Socket)
Figure 5: Condensate Drain Trap
Figure 6: Condensate Assembly Orientation
Float Switch
Vent
11
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