Delfield F18BC Manual de instalación descargar pdf (Pagina 8)

F18 Series Service and Installation Manual

For customer service, call (800) 733-8829, (800) 773-8821, Fax (989) 773-3210, www.delﬁeld.com

Pressure Control Settings

Factory recommended low-pressure control settings are:

HFC-404A refrigerators: 85psi (5.86bar) cut-in and 65psi

(4.48bar) cut-out to maintain

approximate interior temperature of

38°F (3°C).

Differential setting of 20psi (1.38bar).

HFC-404A freezers: 32psi (2.21bar) cut-in and 8psi (.552bar)

cut-out to maintain approximate

interior temperature of 0°F to 5°F

(-18°C to -15°C).

Differential setting of 24psi (1.65bar).

HFC-404A refrigerators with LiquiTec Rail:

20psi (1.38bar) cut-in and 10psi

(.689bar) cut-out

Differential setting of 10psi (.689bar)

Temperature control for LiquiTec Rail,

25°F (-4°C) cut in and 18°F (-8°C) cut-

out.

Pressure control settings are measured in pressure,

not temperature.

Operation

After turning the ON/OFF switch to ON the unit’s compressor

will begin operating. Delfield refrigerated bases are designed

to maintain an operational temperature of 36°F to 40°F (2°C to

4°C). Temperature in the salad top and refrigerated rail opening

is 33°F to 41°F (0°C to 5°C) with pans recessed 2” (5.1cm) on

a standard wrapped refrigerated rail or flush with the LiquiTec

option at 86°F (30°C) ambient room temperature. Freezer

bases are designed to maintain an operational temperature of

0°F (-18°C).

Do not place hot pans on/against the blue ABS liner.

Do not throw items into the storage area. Failure

to heed these recommendations could result in

damage to the interior of the cabinet or to the

blower coil.

Overloading the storage area, restricting the air

flow, and continuous opening and closing of the

doors and drawers will hamper the units ability to

maintain operational temperature.

Refrigerated rail units

Product in the rail should be removed to the refrigerated base

at the end of the day. This allows you to turn the rail off at night

to save energy and the rail will have time to defrost as needed.

It also helps maintain product quality. The standard wrapped

refrigerated units are controlled by the pressure control which

is set to maintain the proper rail temperature. An on/off switch

is also provided for the rail and is required to be shut off at

night. The rail switch shuts off the rail only. With a LiquiTec rail

a thermostat is provided to maintain rail temperature as well as

the rail on/off switch. The LiquiTec rail is required to be shut

off at night as well to allow for defrosting. To ensure product

quality in the rail it is recommended that product be rotated

every four hours.

If adding any item to the unit, be sure to keep

in mind the location of the refrigeration lines on

wrapped rail units. A refrigeration leak in a rail

is extremely difficult and costly to repair. In some

cases it cannot be repaired at all.

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Delfield F18BC Manual de instalación Pagina 8

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