McQuay M5HDC Specifikace stáhnout pdf (Strana 26)

M5HDC-2010

Performance Data

Step:

Indoor DB

˚C

Indoor WB

˚C

Outdoor DB,˚C

TC (kW) SC (kW)

....

20 15

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

3.295

23 15

24 15 3.295

1.510

2.474

Total capacity, TC

⇒ x

= 3.295kW

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

Sensible capacity, SC

Interpolation Method:

⇒

24º C – 20º C

2.474kW – 1.510kW

2.474kW – y

24º C – 23º C

⇒ y

= 2.233kW

(b) Indoor Condition: 23°C DB, 15°C WB

Outdoor Condition: 40°C DB

Indoor DB

˚C

Indoor WB

˚C

Outdoor DB,˚C

TC (kW)

....

20 15

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

2.995

23 15

24 15 2.995

1.195

2.158

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

Interpolation Method:

⇒

24º C – 20º C

24º C – 23º C

2.158kW – 1.195kW

2.158kW - y

⇒ y

= 1.597kW

* 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: 23°C DB, 15°C WB

Outdoor Condition: 35°C DB

SC (kW)

1 2 ... 21 22 23 24 25 26 27 28 29 30 31 ... 43 44

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