HEATING CABLE

2.3.3

Self-Contained Refrigerant Systems

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NOTE: Select mounting. Side-mounted units are

available in sizes up to 6 kW 7 1/2 horsepower.

Top-mounted units are available in sizes up to 4 kW

5 horsepower.

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Factory-fabricated in accordance with UL 427 for [side-wall] [top-wall]

mounting. Systems shall include a condensing unit mounted on the exterior

and a forced air evaporator mounted on the interior directly opposite.

2.4

HEATING CABLE

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NOTE: The following paragraph is for units

operating at below-freezing temperatures.

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Provide condensate drain lines and drains below freezer floors with

electric heating cable, thermostatically controlled to maintain [_____]

degrees C F at zero flow rate. Cable shall be size [_____] to provide

[_____] watts per meter linear foot.

PART 3

EXECUTION

3.1

INSTALLATION

Installation procedures shall conform to NSF 7, and the manufacturer's

instructions. Submit a set of instructions covering both assembly of the

rooms and installation of the refrigeration equipment before starting

installation.

3.2

MANUFACTURER'S FIELD SERVICES

Furnish manufacturer's representatives who are trained to perform the

services specified. The representatives shall furnish and services on the

following matters:

a.

Erection, alignment, and testing.

b.

Charging equipment with refrigerant and oil.

c.

Starting equipment and training government personnel as to its

proper care, operation, and maintenance.

3.3

TESTS

Perform the tests for each room and provide everything required. Notify

the Contracting Officer 10 days before performing the tests. Tests shall

be performed in the presence of a manufacturer's representative.

3.3.1

Start-Up and Operational Tests

Start up and initially operate the systems upon completion of the

installation of the equipment and refrigerant piping. Adjust the safety

and automatic controls to place them in operation and sequence. Record

manufacturer's recommended readings hourly. Operational tests shall cover

SECTION 13038

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