Dettson C105-2-V, Инструкции по установке и руководство для владельца

Страница: 11 / 38

to reach the drain trap. The condensate tubing from
the condensate box is 5/8” and it must be connected to
the 5/8” stub of the drain trap. The condensate tubing
from the ID blower and the vent flange are ½” and are
connected to the ½” stubs of the drain trap.
5. Ensure the tubings are adequately connected to the
stubs and are correctly sloped to the drain trap. Left
side connection requires special attention to the slope of
condensate tubing through the furnace.
6. Screw the drain trap in place with two head tapping
screws on the furnace side.
7. Connect the outlet drain from the drain trap to an
additional condensate tubing using a ½” tee for an
adequate drainage of the condensate.
DO NOT vent
using the remaining three outlet stubs. If a condensate
pump is used, make sure it is approved for acidic
condensate.
8. Prime the drain trap with water. This will ensure
proper furnace drainage at startup and will avoid any
recirculation of flue gas.
9. On the remaining 3 outlet stub, connect caps (1x5/8” and
2x1/2”). These caps are provided in the parts bag.
3.2 DOWNFLOW
SEE FIGURE 3 FOR INSTALLATION DETAILS
CAUTION
It is STRONGLY RECOMMENDED to use the optional
downflow base to ensure the 1” clearance around the
supply duct going through the floor and the proper
slope of the furnace for condensate drainage. Also, the
base allows sufficient spacing for the venting and the
drain trap.
When installing the furnace in downflow position, make sure the
furnace is tilted foward to make it drain properly.
Plan your installation to have at least 1.0 ft. of clearance under
the installed furnace to put the exhaust pipe drainage and drain
trap.
Figure 3 – Downflow position
3.2.1 Downflow condensate drain trap
connection
1. Remove all condensate tubing from the inducer blower,
condensate box and vent collector. Block the openings
with the provided 5/8” and 1/2” black caps.
In the
downflow position, the only connection to the drain trap
comes from the condensate box. The inducer blower will
be drained through the exhaust pipe.
2. Remove the downflow drain trap knock-out.
3. Place the drain trap gasket on the drain trap.
4. Install the drain trap.
5. Screw the drain trap in place with two head tapping
screws on the side of the furnace.
6. Install two 1/2” black plastic caps on the unused 1/2”
inlets of the drain trap inside the furnace.
7. Cut the required length of 5/8” tubing and connect one
end on the downflow port of the condensate box. See
figure 3 for port location.
8. Connect the other end to the 5/8” inlet of the drain trap
and secure the tubing on the gas manifold with a tie wrap.
9. Connect the outlet of the drain trap to the condensate
drain piping with a tee. DO NOT vent using the remaining
3 inlet of the drain trap. If a condensate pump is used,
make sure it is approved for acidic condensate.
10. Make sure the 5 unused inlets of the drain trap are
plugged with provided plastic caps.
11. Si une pompe a condensat doit être utilisée, assurez-
vous qu’elle soit compatible avec le condensat acide.
3.2.2 Downflow multiposition pressure
switch connection
The 3/16" stub just beside the drain of the condensate box must
be drilled or cut open. Use the supplied black squared PVC
10