Industrial Water Chillers - 3 to 12kw units air cooled
THERMAL IQ chillers are designed supply chilled water to heat developing processes. The units are manufactured in Australia to suit local condition and give our customer the solutions they need.
They can be installed indoors or outdoors and can be configured to supply chilled water for:
• Potable water applications
• Process cooling from an internal buffer tank.
• Process cooling to an external buffer tank.
Industrial process chillers are designed to circulate water to a heat producing process via a water pump.
The water brings the heat back to the chiller where the compression cycle cools the water before it is returned to the heat process.
The chillers are supplied with – as standard
• An internal 80L buffer tank to protect the compressor from excessive start, close temperature tolerance, reduces thermal spikes and allows for vented design with no need for hydronics kit
• Suitable for indoor or outdoor installation
• Rugged galvanized steel construction
• Components sourced from the industry’s leading suppliers
• R134a refrigerant for high ambient temperature operation and the lowest GWP of all contemporary refrigerants
• Comprehensive 12 months warranty on all parts and labour
• HP/LP and flow switch safeties as standard
• Highly accurate electronic controller
• 316SS plate heat exchanger condenser
• Comprehensive factory testing before dispatch
• Evaporator protection on all models
THERMAL IQ can customize the pump for particular applications, and these should be specified at the time of order.
The unit has an internal water bypass designed to protect the heat exchanger – it should not be closed under any circumstances.
The flow/ pressure charts for the pumps offered are shown.
Pump Data – Models TC03 to TC12
– RPM 2900
– Approvals – CE,WRAS,ACS,TR,EAC
– Housing – cast iron
– Impeller – Stainless steel 304
– Rated power 0..67 to 1.1 kW
– Rated Hz – 50/60
– Rated voltage 220/ 240
– Rated amps 3.1 to 5.2 amps
– Weight 16kg
Close tolerance (CT):
The chiller can be manufactured with either a hot gas bypass valve or a VFD on the compressor for close temperature tolerance. Standard tolerance
achievable is ±0.5C depending on load conditions The valve acts as to unload the refrigeration effect to the evaporator as the
chilled water temperature approached set point.
If the compressor is fitted with a VFD this will slow the compressor down as water temperature approaches set point and speed it up as it approached set point plus hysteresis. The software has a PID loop to ensure maximum
efficiency and maintain temperature control.
The chiller can be connected to the high or low level BMS Low level connectivity will be dry contact for
– Master run
– Master fault
High level connectivity is Modbus, SNMP and Bacnet over Ethernet without the need for a gate way
Tandem/ N+1 (T):
The chiller can be wired if they are to be installed in a N+1 arrangement so the lead chiller manages the duty cycling of the chillers and controls the chillers if a fault should develop in one of the chillers
Potable water supply (I):
The chiller can be manufactured to deliver water for potable water application. A typical installation requires the chiller to be connected to the main water and the pressure from the main is used to supply the process.
The chiller will have a heat exchanger installed which will cool the mains water to the supply temperature in a single pass.
If the process does not require water the chillers operation is unaffected This method of construction also allows the chiller to be used to cool water
temperatures above 20C.
Remote Condensers (R):
The chiller can be manufactured as a split system. The evaporator can be installed indoors in a plant room for example and the condenser installed outdoors.
Typically, the maximum distance between the 2 halves of the chiller is 20 meters – for longer runs contact Thermex’s engineering staff
In installations where the power supply is not robust soft starters can be supplied on the compressors to limit the in-rush current on compressor start up.
The units can be supplied with 2 pumps that duty cycle to share the wear and tear. The software can also start the pump sitting in redundancy if the duty pump develops a fault
Pump UPS (U):
The electrical box can be supplied with a separate set of terminals to allow an uninterruptable power supply to be wired so the pump will run continuously – this allows the chiller to keep pumping cold water to the process in the event the 3 phase
supply develops and issue and allows the process to shut down in a managed way
The chiller can be supplied on wheels for ease of re-location
For installations such as mine sites, especially in remote areas where the temperatures are extreme the chiller can be constructed to be able to handle these extreme
Inverter scroll technology – THERMAL IQhas exclusive access to Varium inverter scroll technology. The compressor is a permanent magnet, DC scroll that adjusts it speed between 20-100% to match the loads exactly. Under part load conditions, COP’s can be >7.0