Model

OBAIR R134a Heat Pump Dual Compressor — ZFLS2***GAH1YLG [420]

OBAIR R134a Heat Pump Dual Compressor — ZFLS2***GAH1YLG [420] is listed in the OBAIR catalogue. Cooling capacity: 1490 kW; Heating capacity: 1100 kW. Confirm the project operating conditions before selection.

When to consider this equipment

Use this category for chilled-water or heat-pump duties after the design temperatures, capacity, ambient or source conditions and hydraulic arrangement are known.

What to include in an enquiry

Provide cooling and heating duty, water temperatures and flow, ambient or source range, refrigerant restrictions, electrical supply, sound limits and redundancy requirements.

Verified technical data

ZFLS2***GAH1YLG [420]

Published model pattern
ZFLS2***GAH1YLG
Literal model column token
420
Cooling capacity
1490 kW
Total cooling input power
316.64 kW
Cooling-system COPc
4.71 kW/kW
Heating capacity
1100 kW
Total input power including chilled-water pump — heating
376.24 kW
Heating-system COPh
2.92 kW/kW
Maximum operating current
904.88 A
Power supply
380V/50Hz/3pH
Compressor type
Semi-hermetic screw type
Compressor count
2 count
Compressor cooling input power
264 kW
Compressor cooling EER
5.64 W/W
Compressor heating input power
304.8 kW
Compressor heating COP
3.61 W/W
Evaporative-condenser type
High-efficiency evaporative condenser (frame and collection basin: aluminum-zinc coated steel sheet; coil heat exchange tubes: carbon steel tube)
Evaporative-condenser quantity
2 count
Cooling-fan quantity
4 count
Total cooling-fan power
12 kW
Total spray-pump power
4.4 kW
Cooling-water makeup rate
2.53 m3/h
Spray-water makeup pipe diameter
25×2 sets DN
Spray-water tank drain pipe diameter
50×2 sets DN
Air-side heat-exchanger type
High-efficiency inner grooved tube + hydrophilic aluminum fins
Air-side fan quantity
16 count
Power per air-side fan
2.2 kW
Total air-side fan power
35.2 kW
Water-side heat exchanger type
Dry-type shell-and-tube heat exchanger
Water-side heat-exchanger connection diameter
150×2 DN
Chilled-water pump quantity
2 count
Chilled-water pump input power
36.24 kW
External pump head
25 m
Expansion-tank volume
200×2 L
Makeup-water pipe diameter
25×2 DN
Chilled-water flow rate
256.3 m3/h
Hydraulic-module connection diameter
150×2 DN
Length
21720 mm
Width
2500 mm
Height
2830 mm
Shipping weight
23000 kg
Operating weight
29800 kg
Manufacturer source

On request

3D model not yet available

Selection from project conditions is available on enquiry