PB Heat EC Series - Manual (Page 4)

2
A. CLEARANCES
Unit may be installed on combustible flooring, provided the
boiler is not set on carpet and a metal drip pan is placed
under the appliance.
Unit may be installed in a closet with the above clearances.
See also Section B, Air for Combustion and Ventilation.
B. AIR FOR COMBUSTION AND
VENTILATION
1. Be certain adequate facilities are available to provide
air for satisfactory combustion and ventilation.
2. Appliances Located in Unconfined Spaces.
a. For installation in unconfined spaces with
conventional construction and larger areas such
as basements, the supply of air for combustion
and ventilation can usually be considered
adequate.
3. Appliances Located in Confined Spaces.
a. All air from inside the building: Provide two
permanent openings communicating directly with
an additional room. If all air for combustion and
ventilation is to come from within the building:
two openings, one near the ceiling and one near
the floor of the boiler room shall be provided
with the minimum free area of each opening
equal to 140 sq. in. per gallon of oil burned.
b. If all air for combustion and ventilation is to
come from outside the building: two openings,
one near the ceiling and one near the floor of the
boiler room shall be provided with the minimum
free area of each opening equal to 35 sq. in. per
gallon of oil burned.
If ducts are used to convey the air, areas of 35
sq. in. per gallon of oil burned for vertical ducts
or 70 sq. in. per gallon of oil burned for
horizontal ducts are to be provided. Ducts shall
have the same area as the free area of the
openings to which they are connected.
PREINSTALLATION
1. PREINSTALLATION
Read carefully, study these instructions before beginning work. It will save time. Study the included drawings. Save these
instructions for reference.
This boiler must be installed by a qualified contractor.
The boiler warranty can be voided if the boiler is not installed, maintained and serviced correctly.
The equipment shall be installed in accordance with those installation regulations in force in the
local area where the installation is to be made, including the current edition of
NFPA-31, Standard
for the Installation of Oil-Burning Equipment, and in Canada, CSA B139, Installation Code for Oil
Burner Equipment. These shall be carefully followed in all cases. Authorities having jurisdiction
shall be consulted before installations are made.
NOTICE
Never burn garbage or paper in the
unit, and never leave combustible
material around it.
CAUTION
Do not tamper with boiler controls.
CAUTION
Table 1.1: Clearances from Jacket and Vent System
Required from Jacket
to Combustible
Construction
Recommended From Jacket for
Accessibility and Mounting Controls
Top 5"*
24" if Left Side Clearance less than 24"
(to clean flueways from top).
Front 16"* 16" from jacket due to burner.
Left 2"*
24" if Top Clearance less than 24"
(to clean flueways from left side).
24" on steam with tankless coil.
9" in area of boiler service switch and
junction box.
Right 2"* 12" due to burner swing radius*.
Rear 2"* 9" for mounting relief valve.
Vent Pipe (Single Wall) - 9" to Combustible Construction.
Clearance may be reduced using methods in NFPA 31.
Vent Pipe (Double Wall) - See Manufacturer’s Instructions.
* Consider also vent pipe clearance, including distance from edge of
flue outlet to combustible construction (as applicable).