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General information, Before you install this unit, Locating the air handler – Reznor B6BM Unit Installation Manual User Manual

Page 4: Minimum clearances, Operation of air handler during construction, Guidelines listed on, Caution

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GENERAL INFORMATION

This appliance has been tested for capacity and efficiency

in accordance with AHRI Standards and will provide

many years of safe and dependable comfort, providing

it is properly installed and maintained. Abuse, improper

use, and/or improper maintenance can shorten the life

of the appliance and create unsafe hazards. Please read

all instructions before installing the unit.
Before You Install this Unit

√ This equipment is securely packaged at the time of

shipment and upon arrival should be carefully inspected

for damage prior to installing the equipment at the job

site. Claims for damage (apparent or concealed) should

be filed immediately with the carrier.

√ it is recommended that the cooling load of the area to

be conditioned should be calculated and a system of

the proper capacity selected.

√ Check the electrical supply and verify the power supply

is adequate for unit operation. The system must be wired

and provided with circuit protection in accordance with

local building codes. If there is any question concerning

the power supply, contact the local power company.

√ Verify the duct system is appropriate for the air handler

being installed. Please note that when replacing an

existing system with lower air-flow, the duct system

may require modification.

Locating the Air Handler

• Survey the job site to determine the best location for

mounting the unit. Consideration should be given to

availability of electric power, service access, and noise.

• The dimensions of the room or alcove must be able

to accommodate the overall size of the unit and the

installation clearances listed in

Table 1

. Physical

dimensions for this air handler are also shown in

Figure

11 (page 17)

.

• The air handler should be set into position before routing

the refrigerant tubing.

Minimum Clearances

• This appliance must be installed in accordance with

clearances listed in

Table 1

. The air handler must be

installed with ample clearance for easy access to the

air filter, blower assembly, heater assembly, controls,

and vent connections. Applicable building codes may

require additional clearance to equipment. Refer to

applicable building codes for details.

• Static pressure drop through louvered openings and

through return air plenums should be considered in

the overall duct design in the determination of the total

external static pressure.

Table 1. Minimum Unit Clearances

INSTALLATION CLEARANCES

Left Side ............. 0 Inches

Right Side ......... 0 Inches

Back .................. 0 Inches

Front ...............†See Notes

NOTE:

Alcove Installations - Allow 24 in. minimum clearance from front
of unit to nearest wall or partition for servicing. Recommended
clearance is 36 in.

REAR

RIGHT

SIDE

LEFT

SIDE

FRONT

Operation of Air Handler During Construction

CAUTION:

Failure to follow these instructions will void the

factory warranty and may significantly reduce

the life or the performance of the air handler,

and/or result in other unsafe conditions. It is

the responsibility of the installing contractor to

insure these provisions are met.

Operating an air handler in a construction environment

can cause the appliance a variety of problems. Proper

use of commercial portable space heating equipment

during construction is recommended. This air handler

may be used during construction if it is not in violation of

any applicable codes and the following criteria are met:
• The installation must meet all applicable codes and

be permanently installed according to the instructions

supplied with the air handler including electrical supply

and duct work.

• The air handler must be controlled by a properly installed

thermostat that complies with the current provisions

of the NEC (ANSI/NFPA 70) and all applicable codes

having jurisdiction. Thermostat connections must be

made in accordance with instructions supplied with
the air handler and thermostat. See

page 11

&

page

12

.

• The installation must include a properly installed filter in

the return air system with no by-pass air. The filter must

be inspected frequently and replaced when necessary.

• Return air must be supplied unrestricted and located

such that dust and gases from construction activity are

not introduced into the circulating air system.