McQuay M5HDC Dokumentacja Pobierz pdf (Strona 25)

M5HDC-2010

Performance Data

Details:

Step:

Indoor DB

˚C

Indoor WB

˚C

Outdoor DB, ˚C

TC (kW) SC (kW)

.....

.......................

16 3.363

17 3.431

2.381

2.288

Total capacity, TC

⇒

= 3.295kW

(Same as Total capacity at 20°C Indoor DB / 15°C Indoor WB & 35°C Outdoor WB)*

Sensible capacity, SC

Extrapolation Method:

17º C – 15º C

2.288kW – y

17º C – 16º C

= 2.474kW

(b) Indoor Condition: 24°C DB, 15°C WB

Outdoor Condition: 40°C DB

Indoor DB

˚C

Indoor WB

˚C

Outdoor DB, ˚C

TC (kW) SC (kW)

.....

........................

16 3.066

17 3.137

2.056

1.954

Total capacity, TC

⇒ x

= 2.995kW

(Same as Total capacity at 20°C Indoor DB / 15°C Indoor WB & 40°C Outdoor WB)*

Sensible capacity, SC

Extrapolation Method:

⇒

17º C – 15º C

17º C – 16º C

1.954kW – y

⇒ y

= 2.158kW

* This is due to 2 different conditions with same WB temperature, will have the same level of enthalpy.

For more details, please refer to psychrometrics chart

To obtain the Total capacity and Sensible capacity for

(a) Indoor Condition: 24°C DB, 15°C WB

Outdoor Condition: 35°C DB

2.228kW – 2.381kW

1.954kW – 2.056kW

Calculation Steps

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McQuay M5HDC Dokumentacja Strona 25

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