|
EWAQ016CAWH |
EWAQ021CAWH |
Operation range
|
Air side
|
Cooling
|
Min.
|
°CDB
|
-5
|
-5
|
|
|
|
Max.
|
°CDB
|
43
|
43
|
|
Water side
|
Cooling
|
Max.
|
°CDB
|
20
|
20
|
|
|
|
Min.
|
°CDB
|
-10 (3)
|
-10 (3)
|
Refrigerant charge
|
Per circuit
|
kg
|
7.60
|
7.60
|
|
Refrigerant charge-=-Per circuit-=-TCO2Eq
|
TCO2Eq
|
15.9
|
15.9
|
Compressor
|
Type
|
|
Hermetically sealed scroll compressor
|
Hermetically sealed scroll compressor
|
|
Quantity
|
|
1
|
2
|
Weight
|
Unit
|
kg
|
283
|
336
|
Air heat exchanger
|
Type
|
|
Air cooled coil
|
Air cooled coil
|
EER
|
2.93
|
2.84
|
ESEER
|
4.69
|
4.58
|
Refrigerant
|
GWP
|
|
2,087.5
|
2,087.5
|
|
Type
|
|
R-410A
|
R-410A
|
|
Circuits
|
Quantity
|
|
1
|
1
|
|
Control
|
|
Electronic expansion valve
|
Electronic expansion valve
|
Cooling capacity
|
Nom.
|
kW
|
17.0 (1)
|
21.2 (1)
|
Water heat exchanger
|
Water volume
|
l
|
3
|
3
|
|
Type
|
|
Brazed plate
|
Brazed plate
|
|
Water flow rate
|
Min.
|
l/min
|
23
|
23
|
Power input
|
Cooling
|
Nom.
|
kW
|
5.81 (1)
|
7.47 (1)
|
Sound power level
|
Cooling
|
Nom.
|
dBA
|
78
|
78
|
Dimensions
|
Unit
|
Width
|
mm
|
1,370
|
1,370
|
|
|
Depth
|
mm
|
774
|
774
|
|
|
Height
|
mm
|
1,684
|
1,684
|
Capacity control
|
Minimum capacity
|
%
|
25
|
25
|
|
Method
|
|
Inverter controlled
|
Inverter controlled
|
Fan
|
External static pressure
|
Max.
|
Pa
|
78
|
78
|
|
Air flow rate
|
Cooling
|
Nom.
|
m³/min
|
171
|
185
|
Water circuit
|
Total water volume
|
l
|
4.2 (6)
|
4.2 (6)
|
|
Drain valve / fill valve
|
|
Yes
|
Yes
|
|
Air purge valve
|
|
Yes
|
Yes
|
|
Piping
|
inch
|
1-1/4"
|
1-1/4"
|
|
Piping connections diameter
|
inch
|
1-1/4" (female)
|
1-1/4" (female)
|
|
Shut off valve
|
|
Yes
|
Yes
|
|
Safety valve
|
bar
|
3
|
3
|
Power supply
|
Phase
|
|
3N~
|
3N~
|
|
Name
|
|
W1
|
W1
|
|
Frequency
|
Hz
|
50
|
50
|
|
Voltage
|
V
|
400
|
400
|
Notes
|
(1) - Cooling: entering evaporator water temp. 12°C; leaving evaporator water temp. 7°C; ambient air temp. 35°C
|
(1) - Cooling: entering evaporator water temp. 12°C; leaving evaporator water temp. 7°C; ambient air temp. 35°C
|
|
(2) - Condition: Ta 35°C - LWE 7°C ( DT = 5°C)
|
(2) - Condition: Ta 35°C - LWE 7°C ( DT = 5°C)
|
|
(3) - Water can be used above 5°C. Between 0°C and 5°C a 30% glycol solution (propylene or ethylene) has to be used. Between 0°C and -10°C a 40% glycol solution (propylene or ethylene) has to be used (see installation manual and information related to OPZL option)
|
(3) - Water can be used above 5°C. Between 0°C and 5°C a 30% glycol solution (propylene or ethylene) has to be used. Between 0°C and -10°C a 40% glycol solution (propylene or ethylene) has to be used (see installation manual and information related to OPZL option)
|
|
(4) - Excluding water volume in the unit. In most applications this minimum water volume will have a satisfying result. In critical processes or in rooms with a high heat load though, extra water volume might be required. Refer to operation range for more info.
|
(4) - Excluding water volume in the unit. In most applications this minimum water volume will have a satisfying result. In critical processes or in rooms with a high heat load though, extra water volume might be required. Refer to operation range for more info.
|
|
(5) - This is PD between inlet & outlet connections of unit. It includes the water side heat exchanger pressure drop.
|
(5) - This is PD between inlet & outlet connections of unit. It includes the water side heat exchanger pressure drop.
|
|
(6) - Including piping + PHE; excluding expansion vessel
|
(6) - Including piping + PHE; excluding expansion vessel
|
|
(7) - No peak current because of inverter compressor
|
(7) - No peak current because of inverter compressor
|