Exercises

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Technical data : Power & capacity

We’ll start by looking at the power and capacity values shown in bold type in the table underneath; that is the refrigerating capacity, heating capacity, dehumidification rate, power consumed, and C.O.P.

Feature

Kotz 2,0-MA

Kotz 12-PA

Cooling capacity

Heating capacity

Deshumidification

Supply

Power supply to

Current

Power consumed

C.O.P

Expansion device

Condenser type

2000 Watts

-

ca. 1 l/h

220V/1~/50Hz

internal unit

2,8 A

615 Watts

-

capillary

air-cooled

12000 Watts

14000 Watts

ca. 6 l/h

380V/3~/50Hz

external unit

8,4 A

4600 Watts

3,0

capillary

air-cooled

The data provided by a manufacturer always refers to specific operating conditions. These conditions are standardised to allow performance comparisons between equipment from different manufacturers. For example, the international standard ISO R 859 – NF E 36101 specifies the following conditions:

Temperatures

Settings

Interior Conditions

Exterior Conditions

Dry Bulb 

Wet Bulb

Dry Bulb

Wet Bulb

COLD

27°C

19°C

35°C

24°C

HOT

20°C

-

7°C

6°C

Standard  ISO R 859 – NF E 36101

You’ll notice that there are two types of temperature: Dry bulb temperatures, and Wet bulb temperatures.

 

EXERCISE : Have you got an explanation of this for Charlie?

(Solution : Refribase Manual pages 163 to 174)

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