When Removing A Boiler From An Existing Common Vent System; Part 4: Prepare Boiler - Heat Transfer MODCON VWH 300 LP Installation & Maintenance

PART 3: PREPARE BOILER LOCATION
G. WHEN REMOVING A BOILER FROM AN
EXISTING COMMON VENT SYSTEM
n
DANGER
Do not install the Mod Con Boiler into a common
vent with any other appliance. This will cause
flue gas spillage or appliance malfunction,
resulting in possible severe personal injury,
death or substantial property damage.
n
WARNING
Failure to follow all instructions can result in flue
gas spillage and carbon monoxide emissions,
causing severe personal injury or death.
At the time of removal of an existing boiler, the
following steps shall be followed with each
appliance remaining connected to the common
venting system placed in operation, while the
other appliances remaining connected to the
common venting system are not in operation.
a. Seal any unused openings in the common
venting system.
b. Visually inspect the venting system for
proper size and horizontal pitch and
determine that there is no blockage or
restriction, leakage, corrosion or other
deficiencies which could cause an unsafe
condition.
c. Insofar as is practical, close all building doors
and windows and all doors between the
space in which the appliances remaining

PART 4: PREPARE BOILER

n
WARNING
Uncrating Boiler – Any Claims for damage or
shortage in shipment must be filed immediately
against the transportation company by the
consignee.
13
GAS-FIRED HOT WATER SUPPLY BOILER
(CONTINUED)
connected to the common venting system
are located and other spaces of the building.
Turn on clothes dryers and any appliance not
connected to the common venting system.
Turn on any exhaust fans, such as range
hoods and bathroom exhausts, so they will
operate at maximum speed. Do not operate
a summer exhaust fan. Close fireplace
dampers.
d. Place in operation the appliance being
inspected. Follow the lighting instructions.
Adjust thermostat so appliance will operate
continuously.
e. Test for spillage at draft hood opening after 5
minutes of main burner operation. Use the
flame of a match or candle, or smoke from a
cigarette, cigar, or pipe.
f. After it has been determined that each
appliance remaining connected to the
common venting system properly vents
when tested as outlined herein, return doors,
windows, exhaust fans, fireplace dampers
and any other gas-burning appliance to their
previous conditions of use.
g. Any improper operation of common venting
system should be corrected so the
installation conforms with the National Fuel
Gas Code, ANSI Z223.1 — latest edition.
Correct by resizing to approach the minimum
size as determined using the appropriate
tables in Table 13 of NFPA54 ANSI Z223.1
2006 of that code. Canadian installations
must comply with B149.1 or B149.2
Installation Code.
CAUTION
Cold weather handling — If boiler has been
stored in a very cold location (below 0°F) before
installation, handle with care until the plastic
components come to room temperature.
Remove all sides of the Mod Con shipping crate
in order to allow the boiler to be lifted into its
installation location. You must pick the boiler up
by the lift rings to avoid damage to the boiler
Boiler Manual