Sakura COOLING ONLY Manual do Utilizador descarregar pdf (Página 21)

Air-Cooled Scroll Chiller Technical Sales Guide

GREE Central Air Conditioners

APPLICATION DATA

Unit Location

The chillers are designed for outdoor installation. When selecting a site for installation,

be guided by the following conditions:

1. For outdoor locations of the unit, select a place having an adequate supply of fresh

air for the condenser.

2. Avoid locations beneath windows or between structures where normal operating

sounds may be objectionable.

3. Installation sites may be either on a roof, or on the ground.

4. The condenser fans are the propeller-type, and are not recommended for use with

duct work in the condenser air stream.

5. When it is desirable to surround the unit(s), it is recommended that the screening be

able to pass the required chiller CFM without exceeding 0.1" of water external static

pressure.

6.Recommended clearances for units are given in DIMENSIONS. When the available

space is less, the unit(s) must be equipped with the discharge pressure transducer

option to permit high pressure unloading in the event that air recirculation were to

occur.

The unit should be mounted on a flat and level foundation, ground or roof, capable of

suppo-rting the entire operating weight of the unit.. Operating weights are given in the

Dimensions.

Foundation

For ground level installations, precautions should be taken to protect the unit from

being tamp-ered by or injuring to unauthorized persons. Screws on access panels will

prevent casual tam-pering; however, further safety precautions, such as unit enclosure

options, a fencedin enclos-ure, or locking devices on the panels may be advisable.

Check local authorities for safety regu-lations.

Fluid Temperature

Maximum leaving chilled fluid temperature for unit is 59 (15℃ ). or conti-nuous

operation, it is recommended that inlet fluid temperature does not exceed 86 (30℃)

( If continuous ope-ration is required for inlet water temperature above 86 (30℃ ),

please refer to GREE factory).

Minimum leaving chilled fluid temperature for standard unit is 38 (3.3℃ ) (For lower

leaving temperature contact GREE factory).

℉ F

℉

Chilled Liquid Piping

The chilled liquid piping system should be laid out so that the circulating pump dis ch

arges into the cooler. The inlet and outlet cooler liquid connections are given in

Dimensions.

A. Unit shall be delivered to job site fully assembled, and charged with refrigerant and

oil by the Manufacturer.

B. Unit shall be stored and handled according to the Manufacturer’s instructions.

Delivery and Handling

Leveling Unit

Unit must be leveled when installed to ensure proper oil return to the compressors.

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