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DJ & DG MANUAL
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May 12 R2
GAS LINE TESTING (EXTERNAL TO THE UNIT)
The appliance and its individual shutoff valve must be disconnected from the gas supply piping system
during any testing of that system at test pressures in excess of 0.5 psi (3.5 kPa).
The appliance must be isolated from the gas supply system by closing its individual shutoff valve during
any testing of that system at test pressure equal to or less than 0.5 psi (3.5 kPa).
OIL INSTALLATION
Installation must be made in accordance with NFPA 31 or CSA B139 and with the requirements of
authorities having jurisdiction.
1.
Check the unit name plate and confirm fuel type and input rating.
2.
The heaviest fuel oil type is marked on the unit name plate.
3.
The unit is to be supplied with an adequate flow of clean, air free fuel oil at a minimum temperature
of 32°F (0°C) at a neutral pressure. This requirement can be met if the oil is supplied to the unit
from an indoor day tank with a gravity supply.
4.
All oil piping to the heater must be installed in accordance with good piping practices. (See
supplemental piping information bulletin from the burner manufacturer).
5.
All oil burners should have an oil return line.
6.
Oil fired heaters MUST use “A” vent.
7.
OIL-FIRED APPLIANCES SHALL BE CONNECTED TO VENTS HAVING SUFFICIENT DRAFT AT
ALL TIMES TO ENSURE SAFE AND PROPER OPERATION OF THE APPLIANCE.
HEAT EXCHANGER CONDENSATE DRAIN ON INDOOR UNITS
The drain must be installed in accordance with all plumbing codes.
The condensate is to be drained with minimum 1/2” (13 mm) nominal drain line, of material suitable for
corrosive condensate, to an indirect drain connection.
