LAARS SUMMIT SMW-250 - Install and Operating Manual - Manual (Page 4)

Page 4 LAARS Heating Systems
1.2 Warranty
Laars Heating Systems SUMMIT appliances are
covered by a limited warranty. The owner should fill
out the warranty registration card and return it to
Laars Heating Systems.
All warranty claims must be made to an
authorized Laars Heating Systems representative or
directly to the factory. Claims must include the serial
number and model (this information can be found on
the rating plate), installation date, and name of the
installer. Shipping costs are not included in the
warranty coverage.
Some accessory items are shipped in separate
packages. Verify receipt of all packages listed on the
packing slip. Inspect everything for damage
immediately upon delivery, and advise the carrier of
any shortages or damage. Any such claims should be
filed with the carrier. The carrier, not the shipper, is
responsible for shortages and damage to the shipment
whether visible or concealed.
1.3 Materials Installer Must Provide
1. Total combined feet allowed for intake and
exhaust vent pipe per instructions. The following
charts show acceptable materials for intake and
exhaust pipes:
Acceptable Intake Pipe Material
Model 200 Model 250
3-inch or 4-inch PVC 3-inch or 4-inch PVC
schedule 40 pipe per schedule 40 pipe per
ASTM D-1785 std. ASTM D-1785 std.
3-inch or 4-inch PVC DWV 3-inch or 4-inch PVC DWV
pipe per ASTM D-2665 std. pipe per ASTM D-2665 std.
3-inch or 4-inch ABS-DWV 3-inch or 4-inch ABS-DWV
pipe per ASTM D2661 std. pipe per ASTM D2661 std.
or ASTM F-628 std. or ASTM F-628 std.
3-inch or 4-inch CPVC 3-inch or 4-inch CPVC
schedule 40 or 80 pipe per schedule 40 or 80 pipe per
ASTM F441 std. ASTM F441 std.
3-inch or 4-inch AL29-4C 3-inch or 4-inch AL29-4C
stainless steel complying stainless steel complying
with UL Std. 1738 with UL Std. 1738
Acceptable Exhaust Vent Material
Model 200 Model 250
3-inch or 4-inch PVC 3-inch or 4-inch CPVC
schedule 40 pipe per schedule 40 or 80 pipe per
ASTM D-1785 std. ASTM F441 std.
3-inch or 4-inch PVC DWV 3-inch or 4-inch AL29-4C
pipe per ASTM D-2665 std. stainless steel complying
with UL Std. 1738
3-inch or 4-inch ABS-DWV
pipe per ASTM D2661 std.
or ASTM F-628 std.
3-inch or 4-inch CPVC
schedule 40 or 80 ipe per
ASTM F441 std.
3-inch or 4-inch AL29-4C
stainless steel complying
with UL Std. 1738
The solvent cement for pipe joints must comply with
the following standards:
i. PVC pipe D2564 / ABS pipe D2235, or
CPVC pipe F493
ii. CSA listed solvent cement for the PVC,
ABS or CPVC pipe used.
2. Electrical connection to a 120VAC/15Amp service.
3. Gas connection that will provide 250 cubic feet/
hour at 4 to 13 inch w.c.
4. Condensate drainage: a floor drain is preferred,
and a condensate pump can be used if required.
Check local codes for information about proper
disposal of condensate in your area.
5. Miscellaneous copper fittings and bronze valves
will be required to complete the piping system.
Use only plastic fittings (except Nylon®) for
condensate drain lines.
1.4 Unpacking
The SUMMIT appliance is shipped in a single
crate with the following standard components on top
of the appliance.
1. Exhaust terminal 4. Hubless couplings (2)
2. Intake terminal 5. Terminal Screens, 4” (2)
3. Backing plates (4)
Figure 2. Contents of shipping package.
1. Remove all packing and tie-down materials.
2. Check contents of the carton against items
shown above.
1.5 Locating the SUMMIT Appliance
The appliance should be located to provide
clearances on all sides for maintenance and
inspection. It should not be located in an area where
leakage of any connections will result in damage to
the area adjacent to the appliance or to lower floors of
the structure.