Weil-McLain SlimFit Bedienerhandbuch Seite 45

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Seitenansicht 44
Part number 550-100-116/0714
45
SlimFit
COMMERCIAL CONDENSING GAS-FIRED WATER BOILER
Boiler Manual
DIRECT VENT — Vertical
&IGURE Vertical direct vent terminations (air termination can be vertical or sidewall as shown below)
5SEONLYTHEVENTAIRPIPINGMATERIALS
ANDKITSLISTEDIN&IGUREPAGE
.
Read and follow all instructions in this
manual. $/./4PROCEEDWITHVENTAIR
PIPINGINSTALLATIONUNTILYOUHAVEREAD
PAGE through page 33 and PAGE
through PAGE.
Locate the termination such that the total
vent piping from the boiler to the termi-
nation
WILL NOT EXCEED THE MAXIMUM
LENGTHGIVENIN&IGUREPAGE
.
#OMPLYWITHALLVENTSYSTEMMANUFAC-
turer’s instructions.
Provide a vent manufacturers SlimFit Vent
Adapter and reducer (if needed) at the boiler
vent connection.
Every joint on POLYPROPYLENEVENTPIP-
ing
MUST include a locking collar. Failure to
supply locking collars could result in vent/
air piping leakage.
Determine termination location
1. e vent and air terminations must be installed as shown in
Figure43. e air termination can be either through the roof or
through a side wall, as shown.
2. e termination placement must comply with clearances and
limitations shown in Figure31, page36.
3. Locate the terminations so they are not likely to be damaged by
foreign objects, such as stones or balls, or subject to buildup of
leaves or sediment.
4. Provide means to access the boiler air inlet as instructed on
page46.
5. Install the boiler in a location that allows proper routing of all
vent and air piping from the boiler vent and air connections to
the selected termination locations.
Do not exceed the maximum lengths of the outside vent
and air piping shown in Figure44, page46. Excessive
length exposed to the outside could result in freezing of
condensate in the vent pipe or vent/air piping failure.
Follow vent/air pipe manufacturer’s instructions for
proper protection and support of the piping and for
installations in very cold climates.
Multiple vent terminations
1. When terminating multiple SlimFit boilers, terminate each vent
connection as described in this manual. When using sidewall air
terminations, place terminations at least 6inches apart.
Terminate all vent pipes at the same height and all air
pipes at the same height to avoid possibility of severe
personal injury, death or substantial property damage.
2. Place roof penetrations to obtain minimum clearance of 12inches
between edge of air intake elbow and adjacent vent pipe of another
boiler for U. S. installations (see Figure45, page46).
3. For Canadian installations, provide clearances required by CAN/
CSA B149.1 Installation Code and a ULCS636 compliant vent kit.
Install vent piping
See 7!2.).' about boiler vent/air outlet seals and
vent clamp on page29. Verify that the seal is installed
correctly before inserting the vent manufacturers
SlimFit Vent Adapter.
USE SWEEP ELBOWS FOR ALL VENT PIPING
WHEN POSSIBLE — Short-radius elbows cause
higher pressure loss, resulting in less allowable
vent/air piping length. See Figure 27, page 30
for maximum lengths and reductions required
for fittings.
1. Install the vent/air pipe manufacturer’s SlimFit Vent Adapter in
the boiler vent and air outlets. Follow all vent/air pipe manufac-
turer’s instructions.
2. Install a vent/air pipe manufacturer’s reducer if needed to adapt
to the vent size being used.
3. Slope vent piping toward the boiler  slope vent piping a mini-
mum of ¼inch per foot in horizontal runs or larger per vent pipe
manufacturer’s instructions.
4. Support piping independently of the boiler  Install pipe sup-
ports every 5feet on both the horizontal and vertical runs. Install
a hanger support within 6inches of any upturn in the piping. Or
follow vent/air pipe manufacturer’s instructions.
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