Carrier 50XP manual Performance Data Cont

Models: 50XP

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LEGEND

PERFORMANCE DATA (CONT)

* At 75°F (24°C) entering dry bulb---Tennessee Valley Authority (TVA) rating conditions; all others at 80°F (27°C) dry bulb.

LEGEND

BF— Bypass Factor edb— Entering Dry ---Bulb Ewb— Entering Wet---Bulb kW — Total Unit Power Input

SHC— Sensible Heat Capacity (1000 Btuh) TC — Total Capacity (1000 Btuh) (net) rh—Relative Humidity

COOLING NOTES:

1. Ratings are net; they account for the effects of the evaporator ---fan motor power and heat.

2. Direct interpolation is permissible. Do not extrapolate.

3. The following formulas may be used:

tldb = tedb ---

Sensible capacity (Btuh)

 

 

 

1.10 x cfm

 

 

tlwb =

Wet---bulb temperature corresponding to enthalpy

hlwb = hewb ---

total capacity (Btuh)

air leaving evaporator coil (hlwb)

4.5 x cfm

 

 

Where: hewb = Enthalpy of air entering evaporator coil

4.The SHC is based on 805 F (26.6_C) edb temperature of air entering evaporator coil. Below 80_F (26.6_C) edb, subtract (corr factor x cfm) from SHC. Above 80_F (26.6_C) edb, add (corr factor x cfm) to SHC.

Correction Factor = 1.10 x (1 + BF) x (edb + 80).

5.Integrated capacity is maximum (instantaneous) capacity less the effect of frost on the outdoor coil and the heat required to defrost it.

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50XP

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Carrier 50XP manual Performance Data Cont