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12
Wet and dry bulb
thermometers
BACK VIEW
OUTDOOR UNIT
FRONT VIEW
Wet and dry bulb
thermometers
INDOOR UNIT
PERFORMANCE CURVES
8
The standard 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 ~ 264 V, 50 Hz
(2) AIR FLOW
Air flow should be set at MAX.
(3) MAIN READINGS
COOLING
(1) Indoor intake air wet-bulb temperature: W.B.
˚
C
(2) Indoor outlet air wet-bulb temperature: W.B.
˚
C
(3) Outdoor intake air dry-bulb temperature: D.B.
˚
C
(4) Total input: W
Indoor air wet and dry bulb temperature difference on the side of the following chart shows the difference between the
indoor intake air wet and dry bulb temperature and the indoor outlet air wet and dry bulb temperature for your reference
at service.
How to measure the indoor air wet and 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 to start the 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.
MFZ-KA25VA
MFZ-KA35VA
MFZ-KA50VA
HEATING
(1) Indoor intake air dry-bulb temperature:
D.B.
˚
C
(2) Indoor outlet air dry-bulb temperature:
D.B.
˚
C
(3) Outdoor intake air wet-bulb temperature: W.B.
˚
C
(4) Total input: W
OB409E