McQuay MWM Specifications download pdf (Page 44)

MWM-J-2011 Performance Data

Performance Data

Calculation Steps

Interpolation method can be used to get the total capacity, TC and sensible capacity, SC and power input, PI

at those temperatures which are not stated out in the table. Extrapolation method are not allowed to be used

to get the TC, SC and PI

Example:

Model: MWM09J - MLC09C

Indoor Condition: 25°C DB, 17°C WB

Outdoor Condition: 37°C DB

Fan speed: High

Solution:

Overall

Based on the Performance table:

1. Refer to the Indoor DB column,

25°C is located between 24°C and 27°C for 16oCWB (Thus, Interpolation need to be applied)

25°C is located between 24°C and 27°C for 19oCWB (Thus, Interpolation need to be applied)

2. Refer to the Indoor WB column,

17°C is located between 16°CWB and 19°CWB for 25oCDB (Thus, Interpolation need to be applied)

3. Refer to the Outdoor DB column,

37°C is located between 35°C and 40°C. (Thus, Interpolation need to be applied)

Please follow the steps below in order to get the required capacity.

Step

Extrapolation of Indoor WB

Find TC, SC, PI for

(a) Indoor: 25°C DB, 16°C WB

Outdoor: 35°C DB

(b) Indoor: 25°C DB, 19°C WB

Outdoor: 35°C DB

Outdoor: 40°C DB

(d) Indoor: 25°C DB, 19°C WB

Outdoor: 40°C DB

Step

Interpolation of Indoor DB

Find TC, SC, PI for

(a) Indoor: 25°C DB, 17°C WB

Outdoor: 35°C DB

(b) Indoor: 25°C DB, 17°C WB

Outdoor: 40°C DB

Step

Interpolation of Outdoor DB

Find TC, SC, PI for

(a) Indoor: 25°C DB, 17°C WB

Outdoor: 37°C DB

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McQuay MWM Specifications Page 44

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