48
13. INFORMATION REQUIREMENTS
Table 13-1
Information requirements for comfort chillers
Model(s)
KEM-30 DNS3
Outdoor side heat exchanger
Air to water
Indoor side heat exchanger
Water to air
Type
Compressor driven vapour compression
Driver of compressor:
Electric motor
Item
Symbol
Value
Unit
Item
Symbol Value
Unit
Rated cooling capacity
Prate
d,c
27.6
kW
Seasonal space cooling energy
efficiency
η
s,c
160
%
Declared cooling capacity for part load at given outdoor
temperature T
j
Declared energy efficiency ratio for part load at given out-
door temperature T
j
T
j
= + 35°C
P
dc
27.6
kW
T
j
= + 35°C
EER
d
2.52
--
T
j
= + 30°C
P
dc
22.0
kW
T
j
= + 30°C
EER
d
3.64
--
T
j
= + 25°C
P
dc
13.2
kW
T
j
= + 25°C
EER
d
5.05
--
T
j
= + 20°C
P
dc
8.1
kW
T
j
= + 20°C
EER
d
6.40
--
Degradation co-efficient for
chillers (*)
C
dc
0.9
--
Power consumption in modes other than ‘active mode’
Off mode
P
OFF
0.08
kW
Crankcase heater mode
P
CK
0.08
kW
Thermostat-off mode
P
TO
0.21
kW
Standby mode
P
SB
0.08
kW
Other items
Capacity control
variable
For air-to-water comfort chillers:
air flow rate, outdoor measured
_
12500 m
3
/h
Sound power level, indoors /
outdoors
L
WA
-/78
dB
For water / brine-to-water chillers:
Rated brine or water flow rate,
outdoor side heat exchanger
_
-
m
3
/h
Emissions of nitrogen oxides
(if applicable)
NO
x
(**)
--
mg/kWh
input GCV
GWP of the refrigerant
_
2088
kg CO
2 eq
(100 years)
Standard rating conditions used:
Low temperature application
(*) If C
dc
is not determined by measurement then the default degradation coefficient of chillers shall be 0,9.
(**) From 26 September 2018.
Summary of Contents for KEM-30 DNS3
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