PB Heat MI User Manual download pdf (Page 4)

A. ACCESSIBILITY CLEARANCES

Install boiler not less than 24″ (610 mm) between the

left side, top, and front of the boiler and adjacent wall or

other appliance, when access is required for servicing.

B. CLEARANCE FROM COMBUSTIBLE

CONSTRUCTION

The design of this boiler is certified for alcove installation

with the following clearances:

1. 6″ (152 mm) between sides and combustible

construction.

2. 24″ (610 mm) between top of jacket and

combustible construction.

3. 6″ (152 mm) between draft hood and combustible

construction.

4. 6″ (152 mm) between vent pipe and combustible

construction.

5. 10″ (254 mm) between rear of jacket and

combustible construction.

C. AIR FOR COMBUSTION AND

VENTILATION

1. Adequate combustion air and ventilation air must be

provided for this appliance in accordance with the

section of the National Fuel Gas Code entitled, “Air

for Combustion and Ventilation” or applicable

provisions of the local building code. Subsections 2

through 8 as follows are based on the National Fuel

Gas Code requirements.

2. Requir

ed Combustion Air Volume: The total required

volume of indoor air is to be the sum of the required

volumes for all appliances located within the space.

Rooms communicating directly with the space in

which the appliances are installed and through

combustion air openings sized as indicated in

Subsection 3 are considered part of the required

volume. The required volume of indoor air is to be

determined by one of two methods.

a. Standard Method: The minimum required

volume of indoor air (room volume) shall be 50

cubic feet per 1000 BTU/Hr (4.8 m

/kW). This

method is to be used if the air infiltration rate is

unknown or if the rate of air infiltration is known

to be greater than 0.6 air changes per hour. As

an option, this method may be used if the air

infiltration rate is known to be between 0.6 and

0.4 air changes per hour. If the air infiltration rate

is known to be below 0.4 then the Known Air

Infiltration Rate Method must be used. If the

building in which this appliance is to be installed

is unusually tight, PB Heat recommends that the

air infiltration rate be determined.

b. Known Air Infiltration Rate Method: Where

the air infiltration rate of a structure is known,

the minimum required volume of indoor air for

appliances other than fan assisted and for the

Series MI Boiler shall be determined as follows:

PREINSTALLATION

1. PREINSTALLATION

Read carefully, study these instructions before beginning work.

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 must be installed in accordance with those installation requirements of the authority having

jurisdiction or, in the absence of such requirements, to the current edition of the

National Fuel Gas Code

, ANSI

Z223.1/NFPA 54 and/or CAN/CSA B149.1,

Natural Gas and Propane Installation Code

Where required by the authority having jurisdiction, the installation must conform to

American Society of

Mechanical Engineers Safety Code for Controls and Safety Devices for Automatically Fired Boilers,

ASME CSD-1.

NOTICE

Do not install this boiler on carpeting. Boiler

installation on carpeting is a fire hazard. Install this

boiler on non-combustible flooring or use a

combustible floor pan to install this boiler on other

non-carpeted flooring.

WARNING

Do not install this boiler on combustible flooring

unless it is installed on a special combustible floor

pan provided by PB Heat, LLC. Boiler installation on

combustible flooring without the special pan is a fire

hazard.

To order combustible floor pan, use the 5-digit stock

codes listed in Section 11A of this manual.

WARNING

21 ft

other

ACH 1000

Btu

Required Volume

other

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PB Heat MI User Manual Page 4

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