Operating Limits - Lennox NEOSYS NAC 200 Application Manual

OPERATING LIMITS

NAC
Min. outlet water temperature
Min. outlet water temperature with brine operation option
Max. inlet water temperature
Min. difference water inlet/outlet
Max. difference water inlet/outlet
Min. outside air temperature
Min. outside air temperature
Winter operation option
Maximum outside air temperature :
Full capacity operation
NAH
Cooling mode
Min. outlet water temperature
Max. inlet water temperature
Min. difference water inlet/outlet
Max. difference water inlet/outlet
Min. outside air temperature
Maximum outside air temperature :
Full capacity operation
Heating mode
Min. condenser outlet water temperature
Max. condenser outlet water temperature
Min. difference water inlet/outlet
Max. difference water inlet/outlet
Min. outside air temperature (Water outlet
temp. : 37°C)
Max. outside air temperature
Operating enveloppe
Cooling mode
50
45
40
35
30
25
20
15
Please consult us
10
5
0
-5
-10
-15
-20
-25
-12 -7 -2
Evaporator water outlet (°C) with Delta T = 3°C
Application Guide /NEOSYS-AGU-1801-E
NAH 200
°C
°C
°C
°C
°C
°C
NAH 200
°C
°C
°C
°C
°C
°C
NAH
3 8 13 18
200 > 420 -
380
340 480
°C
°C
°C
°C
°C
°C
°C
°C 46 43 46
480
>
5
20
(°C)
50
3
45
40
8
35
6 30
25
20
46
15
10
480 5
>
0
24
-5
-10
Brine operation option
50
-15
-20
3
-25
-12
8
- 12 Maximum outdoor air temperature = 43°C on NAC 380 / NAC 540
and NAC 1080
30
50°C
45°C
40°C
35°C
30°C
25°C
20°C
15°C
-10°C -5°C
600 >
540 760
680
5
- 10
20
3
8
6
- 20
43 46 43
NAC
Operating enveloppe
Cooling mode
Glycol
Glycol
Winter cooling
+
operation option
-7 -2 3 8
Evaporator water outlet (°C) with Delta T = 3°C
NAH
Operating enveloppe
Heating mode
0°C 5°C 10°C 15°C 20°C
Outdoor air temperature (°C)
NAC
840 -
1080
960
46 43
(°C)
13 18
25°C 30°C
• 33 •