An Endurance water cooling system (water + TEC Peltier chiller) – a chiller for your laser

Endurance a water cooling system (TEC-Peltier) for diode lasers and Co2 laser machines (Co2 tubes).

All you need to know about Endurance aluminum water heat exchanger

Getting started with TEC (Peltier) water chiller

Endurance water TEC cooling (Peltier) chiller data specs

• Max Cooling capacity: 500 watt (good for 80 watt Co2 tube)
• Temperature control accuracy: 1 ° C.
• Tank capacity: 2  / 4 liters
• Dimensions in packing: 500 x 500 x 400 mm
• Total weight: 10 kg

Water TEC Peltier chiller for your 30 / 40 watt Co2 laser tube

The Endurance 4xTEC coolers work great for 30 watt Co2 tube (Flux Beamo)

Outside temperature: 28 C

Stable water temperature after 30 minutes full power mode: 24-26C

Minimum water temperature (idle mode): 10-11C

Water TEC Peltier chiller for your 60/ 80 watt Co2 laser tube

The Endurance 8xTEC coolers work great for 60/80 watt Co2 tube

Outside temperature: 28 C

Stable water temperature after 30 minutes full power mode: 24-26C

Minimum water temperature (idle mode): 10-11C

A basic principle of an Endurance water TEC (Peltier) cooling system

Inside the water TEC chiller system

Attaching an Endurance TEC water chiller to Co2 laser machine – live video footage

The basic principle of an Endurance TEC water chiller

Water TEC (Peltier) chiller components list:

Power supply 24V 15A – 2 pcs (in the current version, you can use one 24V 15A and 12V 30A)
Tank 2L – 1pc (2pc)
Pump – 1pc
DC-DC buck 10A – 1pc
DC-DC buck 20A – 4pcs
Peltier DRIFT-0.8 – 2 pieces
Peltier TEC1-12715 SR – 2 pieces
Heat exchanger 250x40x12mm – 1pc
Silicone hose D10mm – 1.5m (inside) + 4m (outside)
Heat insulating tube Therma Eco C12 / 6 – 1.5m + 4m
Thermal insulation of a heating table for a 3D printer (for a heat exchanger) – 350 sq. Cm
Two-position switch 21x15mm – 4pcs
Two-position switch 30x25mm – 1pc
220V socket with fuse – 1pc
Radiator D90mm H35mm – 4pcs
Fan 80x80mm 0.6A – 4pcs
Fan 120x120mm 0.28A – 1pc
Voltammeter 100V 10A – 4pcs
Connecting nipple for hoses – 3pcs

Fitting for the outlet of the tank – 1 pc.
Double-sided fitting for the output of hoses from the body – 2 pcs
Double-sided fitting with the installation of a tremor sensor in a hose break – 2 pcs.
Fitting adapter from a large hose to a small one – 2 pcs

Key parameters of the Water TEC chiller (2 x TEC):

Water tank volume: 1.35 liters.

Water pumping speed: 600 ml / min .

TEC cooler power: 2 x 120 watt = 240 watt (adjustable).

TEC cooler power 2 x 60 watt = 120 watt (optimal)

Minimum water temperature: 15-16C (if the outside temperature is ~30-31C).

Reaching the maximum capacity: 30-45 minutes.

Average temperature drop: 1.25C / 5 minutes.

Cooling capacity: 70-80 watt.

Good for: 40 watt Co2 tube, laser diodes, other purposes.

Testing protocol of an Endurance water TEC – Peltier water chiller (2X TEC)

Testing data #1

Key parameters of the Water TEC chiller (4 x TEC):

Water tank volume: 2.5 liters.

Water pumping speed: 1.8 Litres/min.

TEC cooler power: 4 x 120 watt = 480 watt (adjustable).

TEC cooler power 4 x (50-70) watt = 200-240 watt (optimal)

Minimum water temperature: 12-13C (if the outside temperature is ~32-33C).

Reaching the maximum capacity: 25-30 minutes.

Average temperature drop: 2.8C / 5 minutes.

Cooling capacity: 140-160 watt.

Good for: 80 watt Co2 tube, laser diodes, other purposes.

Water temperature 17-18C (under 50 watt heat load)

Testing protocol of an Endurance water TEC – Peltier water chiller (4X TEC)

Testing data #1

Testing data #2

Testing data #3

Testing data #4

Water cooling system test with diode lasers

1. 2 x diode lasers work full power
   1. 2 x 4.8V x 4.5A = 43.2 watt
   2. Heat power ~ 30 watt
2. Diode temperature after 30 min of full power laser ~ 26-27C
3. Initial water temperature 18C
4. Water temperature in the water tank after 30 min of full power laser diodes ~ 22C
5. Room temperature ~ 30C
6. Water change temperature in a water tank +4C
7. Delta temperature between the diode laser and the room temperature ~3-4C

We use only high-quality TEC cooling systems Drift-0.8_35x55

drift TEC colling data specs

Min TEC temperature is -15C (if the outside temperature is 30C)

Laser experiment test with 40 watt Co2 tube (to be made)