Mitsubishi MSH-24NV Service Manual download pdf (Page 9)

PERFORMANCE CURVES

The standard data contained in these specifications apply only to the operation of the air conditioner under normal condition.

Operating conditions vary according to the areas where these units are installed. The following information has been provided to

clarify the operating characteristics of the air conditioner under the conditions indicated by the performance curve.

(1) GUARANTEED VOLTAGE

198~264V, 50Hz

(2) AIR FLOW

Air flow should be set at MAX..

(3) MAIN READINGS

COOLING

(1) Indoor intake air wet-bulb temperature : ˚CWB

(2) Indoor outlet air wet-bulb temperature : ˚CWB

(3) Outdoor intake air dry-bulb temperature : ˚CDB

(4) Total input : W

Indoor air wet/dry-bulb temperature difference on the left side of the chart on page 16 shows the difference between the

indoor intake air wet/dry-bulb temperature and the indoor outlet air wet/dry-bulb temperature for your reference at service.

How to measure the indoor air wet-bulb/dry-bulb temperature difference

1. Attach at least 2 sets of wet-and-dry-bulb thermometers to the indoor air inlet as shown in the figure, and at least 2 sets of wet-

and-dry-bulb thermometers to the indoor air outlet. The thermometers must be attached to the position where air speed is high.

2. Attach at least 2 sets of wet-and-dry-bulb thermometers to the outdoor air inlet.

Cover the thermometers to prevent direct rays of the sun.

3. Check that the air filter is cleaned.

4. Open windows and doors of the room.

5. Press the EMERGENCY OPERATION switch once(twice) to start the EMERGENCY COOL(HEAT) MODE.

6. When system stabilizes after more than 15 minutes, measure temperature and take an average temperature.

7. 10 minutes later, measure temperature again and check that the temperature does not change.

Air in

Air out

Wet-and dry-bulb

thermometers

FRONT VIEW

Wet-and dry-bulb

thermometers

BACK VIEW

INDOOR UNIT

OUTDOOR UNIT

MCFH-24NV- EB

14.7

13.4

12.1

10.9

9.7

8.5

MCFH-24NV- EB

29.0

26.7

24.5

22.3

20.0

17.8

15.6

13.4

HEATING

(1) Indoor intake air dry-bulb temperature : ˚CDB

(2) Indoor outlet air dry-bulb temperature : ˚CDB

(3) Outdoor intake air wet-bulb temperature : ˚CWB

(4) Total input : W

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Mitsubishi MSH-24NV Service Manual Page 9

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