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Envision NK
 
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Envision NK
(Large)
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NKW
Hydronic
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Envision Hydronic (NDW)
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NKW
Chiller

Style Water to Air Water to Air Water to Water Water to Water Reversible Chiller
Capacity Range 2 to 18 kW 20 to 72 kW 6 to 17 kW   90 and 130 kW
Sizes Available 2, 3, 4, 5, 7, 8, 10, 11, 14, 16, 18 kW 20, 23, 29, 37, 44, 58, 72 kW 6, 8, 12, 17 kW   90, 130 kW
Efficiency:
Cooling COP
4.5 - 5.9 4.8 - 5.6 5.1 - 6.1 3.3 - 3.5 COP
Part Load(13256-2 GLHP)

2.7 - 3.1 COP
Full Load(13256-2 GLHP)

5.2 - 5.4
Heating COP 3.5 - 5.0 3.4 - 4.2 4.1 - 4.3 N/A 4.1 - 4.9
Compressor Scroll Scroll Scroll Scroll 2 - Scroll
Refrigerant R-410A R-410A R-410A R-410A R-410A
Blower ECM High Static Belt Drive NA NA NA
Cabinet Configuration Vertical: Upflow

Horizontal
Vertical: Upflow

Horizontal
Compact Unit Compact Unit
Top & Back mounted water connections. Field switchable control box.
NA
Control Type FX Platform FX Platform FX Platform
Base water to water control
Water to water microprocessor control

FX10
FX Platform
Desuperheater NA NA 8, 12, 17 kW only N/A NA
Available Voltages 240/50/1
420/50/3
420/50/3 240/50/1
420/50/3
  420/50/3
CE Marked Yes Yes Yes   Yes
Weight Data - LB [KG] 300 - 447
[136] - [203]
620 - 843
[281] - [382]
202 - 360
[92] - [164]
  1163 - 1920
[518] - [871]
Sound Data 45 to 72 dBA NA 54 to 58 dBA   65 to 78 dBA


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