Lennox ECOLOGIC Series

Installation - Operation - Maintenance manual • CHILLERS • ANNEXES - 0105-E • 55 •
ECOLOGIC - OPERATING LIMITS
WA 150 200 230 270 300 370
Minimum outlet water temperature °C 5
Maximum inlet water temperature °C 20
Minimum difference water inlet/outlet °C 3
Maximum difference water inlet/outlet °C 8
Minimum outside air temperature °C 6
Minimum outside air temperature
with low ambient kit °C -10
Maximum outside air temperature :
• Normal operation with CLIMATIC™ 30
12°C water inlet/7°C water outlet °C 43 44 44 44 43 43
• Normal operation with CLIMATIC™ 50
12°C/7°C water + one compressor unloaded °C 51 59 59 51 51 48
• Start-up with CLIMATIC™ 30
+ Thermostatic expansion valve
and NO unloading °C 37 39 39 38 36 37
• Start-up with CLIMATIC™ 50
+ Thermostatic expansion valve
and ONE compressor unloaded °C 49 46 46 48 48 45
• Start-up with CLIMATIC™ 50
+ Electronic expansion valve
and ONE compressor unloaded °C 49 47 47 49 49 46
STANDard
wa - ek - dk
ECOLOGIC WA
WA 150 200 230 270 300 370
Minimum outlet water temperature °C 5
Maximum inlet water temperature °C 20
Minimum difference water inlet/outlet °C 3
Maximum difference water inlet/outlet °C 8
Minimum outside air temperature °C 6
Minimum outside air temperature
with low ambient kit °C -10
Maximum outside air temperature :
• Normal operation with CLIMATIC™ 30
12°C water inlet/7°C water outlet °C 41 43 42 42 41 41
• Normal operation with CLIMATIC™ 50
12°C/7°C water + one compressor unloaded °C 50 48 47 50 50 47
• Start-up with CLIMATIC™ 30
+ Thermostatic expansion valve
and NO unloading °C 35 37 36 36 33 33
• Start-up with CLIMATIC™ 50
+ Thermostatic expansion valve
and ONE compressor unloaded °C 47 45 44 47 47 43
• Start-up with CLIMATIC™ 50
+ Electronic expansion valve
and ONE compressor unloaded °C 48 46 45 48 48 44
low noise
wa - ek - dk
ECOLOGIC WA