Bryant TSTATBBN2S01-C Manual de Instalação descarregar pdf (Página 51)

Residential H&V - 60Hz R22 & R410A - Geothermal Heat Pumps - Rev.: 21 Aug, 2007D

UNIT STARTING AND OPERATING CONDITIONS

Operating Limits

Environment – Units are designed for indoor installation

only. Never install units in areas subject to freezing or where

humidity levels could cause cabinet condensation (such as

unconditioned spaces subject to 100% outside air).

Power Supply – A voltage variation of +/– 10% of

nameplate utilization voltage is acceptable.

Starting Conditions

Consult Table 8 for the particular model. Starting

conditions vary depending upon model and are based

upon the following notes:

Notes:

1. Conditions in Table 8 are not normal or continuous

operating conditions. Minimum/maximum limits are

start-up conditions to bring the building space up to

occupancy temperatures. Units are not designed to

operate under these conditions on a regular basis.

2. Voltage utilization range complies with ARI

Standard 110.

Determination of operating limits is dependent primarily

upon three factors: 1) return air temperature. 2) water

temperature, and 3) ambient temperature. When any

one of these factors is at minimum or maximum levels,

the other two factors should be at normal levels to insure

proper unit operation.

Extreme variations in temperature and humidity

and/or corrosive water or air will adversely affect unit

performance, reliability, and service life.

Table 8: Operating Limits

Operating Limits

GT-PX/GT-PG GT-G

Cooling Heating Cooling Heating

Air Limits

Min. ambient air, DB 45°F [7°C] 39°F [4°C] 45°F [7°C] 39°F [4°C]

Rated ambient air, DB 80.6°F [27°C] 68°F [20°C] 80.6°F [27°C] 68°F [20°C]

Max. ambient air, DB 110°F [43°C] 85°F [29°C] 110°F [43°C] 85°F [29°C]

Min. entering air, DB/WB 50°F [10°C] 40°F [4.5°C] 50°F [10°C] 50°F [10°C]

Rated entering air, DB/WB 80.6/66.2°F [27/19°C] 68°F [20°C] 80.6/66.2°F [27/19°C] 68°F [20°C]

Max. entering air, DB/WB 110/83°F [43/28°C] 80°F [27°C] 110/83°F [43/28°C] 80°F [27°C]

Water Limits

Min. entering water 30°F [-1°C] 20°F [-6.7°C] 30°F [-1°C] 20°F [-6.7°C]

Normal entering water 50-110°F [10-43°C] 30-70°F [-1 to 21°C] 50-110°F [10-43°C] 30-70°F [-1 to 21°C]

Max. entering water 120°F [49°C] 90°F [32°C] 120°F [49°C] 90°F [32°C]

Normal water ﬂ ow

1.5 to 3.0 gpm/ton 1.5 to 3.0 gpm/ton

2.0 to 3.9 l/m per kW 2.0 to 3.9 l/m per kW

1 2 ... 46 47 48 49 50 51 52 53 54 55 56 ... 67 68

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