General Description

The air-cooled, waste heat and gas fired ammonia absorption chiller brings the exciting ability to capture waste heat to the entry level sub-5 RT (17.5kW) market. The absorption chiller delivers a step change in fuel efficiency by enabling the chiller to attach simply to an alternate heat source, typically a gas-fired exhaust of a Micro-Turbine or reciprocating Diesel engine. Alternate heat sources may also be used, such as process heat . Savings on energy can be significant. Where the chiller is fired entirely by waste heat, energy costs are effectively reduced to zero. Dual firing allows gas fuel to be used when the prime exhaust gas heat is interrupted or unavailable. With the addition of the chiller to a conventional CHP set-up will deliver tri-generation, or CCHP, allowing the simultaneous delivery of heating, cooling and power from one system or tri-generation energy.

Absorption Chiller

Absorption Chiller


• Highest GAX efficiency
• 0.68+ Coefficient of performance (COP)
• Proprietary heat exchangers
• TEV for higher efficiency at all ambient
• Unique exhaust heat recovery capability
• Dual fuel capability permits gas
backup to exhaust heat
• Closed water loop (pump optional)

Chiller Dimentions


Performance Specifications

Delivered cooling capacity in at standard – 17.6kW (5 RT)  – 60,100BTU/hour
ARI condition of 35C (95F ) ambient
Gas input  – 26.1kW (94MJ) – 89,000BTU/hour
Condenser air flow – 200m3/min – 7,000CFM
Heat source clean, dry particulate free exhaust or similar gas at min 300°C (572°F); mass flow dependent on temperature available

Chilled Water Data

Return water temperature – 12.8c 55F
Supply water temperature – 7.2c 45F
Chilled water flow – 45.4l/min – 12.0GPM
Internal pressure drop water column – 6.1m 20.0ft
Unit chilled water volume – 9.5litres – 2.5 gasl
Maximum external pressure drop for unit mounted water pump – 7.6m 25ft

Electrical Specifications

Electrical power requirements (*single phase) – 208/240v
Condenser fan motor power – 0.223kW (x2)
Refrigerant circuit pump motor power – 0.372kW
Internal water pump power (optional) – 0.223kW
Total cooling operating power consumption – 1.3kW
Minimum circuit ampacity (MCA) – 15 Amps
Size of time delay fuses (field supplied)/quantity – 15 Amp/2 Fuses
* Available for use 50Hz and 60Hz environments

Piping Connections/Physical Data

Gas inlet, NPTF – 12.7mm 0.5in.
Exhaust gas connection typical – 150mm 5.906in.
Electrical connection knockout
Shipping weight – 500kg 1,102.31lbs
Operating weight – 476kg 1,049.4lbs
Refrigerant type – R717