Oil Temperature Control Units

TT-407 Z

This 8kW heating and cooling unit is for use with temperatures between - 20°C to 240°C with a heat transfer liquid.

This 8kW heating and cooling unit is for use with temperatures between - 20°C to 240°C with a heat transfer liquid.

It is designed for use with double walled vessels and reactors and it has a two-circuit cooling system for operations below zero degrees.


• Self-optimizing temperature controller with digital display of the set and actual temperature. With high precision regulation in 1/10° range; can be adjusted to read °C or °F.

• Automatic temperature control – difference between set and actual temperature activates an alarm.

• Lime scale free heat exchanger.

• Digital flow indication with control of the minimum flow.

• All components in contact with water are made from corrosion resistant stainless steel.

• Heating with automatic cascade connection.

• Leak free high temperature pump with axial face.

The pressure is displayed by manometer.

• Hot oil circuit with by-pass, which ensures internal circulation if valves are closed.

• No oil cracking because of special construction of the heating elements.


Temperature range -20°C up to +240°C with a heat transfer liquid


Temperature control self-optimizing, electronic microprocessor controller MP-988 with digital display of the set and actual value.

Automatic temperature monitoring.


Flow control electronically, with digital display and automatic control of the minimum flow.


Heating capacity (Oil)                                     8 kW

Switchable in stages                                       3 / 5


Cooling capacity

Cooling 1                                                              67 kW at 230°C

Cooling 2                                                              143 kW at 80°C


Pump capacity motor                                     1,8 kW

Pressure mode max.                                      3,5 bar

Flow rate max.                                                  55 l/min


Expansion tank capacity                                21 litres


Filling amount                                                    11 litres


Expansion volume                                           16 litres



Oil circuit                                                              ¾" BSP female thread

Cooling water                                                    ¾" BSP female thread

Water-glycol                                                      ¾" BSP female thread

Air pressure                                                       min. 5 bar


Dimensions (L x W x H)                                  1‘140 x 480 x 1‘400


Weight (empty) approx.                               220 kg


Colour                                                                   silvergrey RAL 7001

Safety Devices

- Automatic level control for dry run protection.

- Electronic temperature limiter in the controller and separate mechanical safety thermostats.

- Main switch, transformer and motor protection switch.

- Horn in case of failure.

- All failures are visually indicated.

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