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CMM Coolant Heating System

The CMM allows large marine engines to deliver full-power right away without a warm-up delay or costly idling.

Marine heating systems allow large-displacement propulsion engines to start clean and deliver full-power right away without a warm-up delay or costly idling. HOTSTART's CMM heating system is a coolant preheater, developed to heat marine engines as well as diesel and gas engines for stationary land power, and mining equipment.

The CMM heater is available in a range of voltages up to 690 V, custom interfaces as needed and component configuration for 50 and 60 Hz allowing for easy integration into existing ship power. Designed with usability, reliability and safety in mind, the CMM's compact configuration features a remote automatic function, customer interface connections, pressure relief valve and two PT-100 sensors for accurate temperature monitoring and control.

Engine heating in humid marine environments prevents condensation from forming in the cylinders during cool down periods – eliminating starting issues and reducing maintenance. HOTSTART's offices in North America, Europe and Asia – combined with our partner and dealer network around the globe, decrease delivery times and provide localized service and support.

Not intended for hazardous locations.

Heating Information

Primary Heating

  • Engine Coolant / Water

Primary Heat Power

  • 12 kW
  • 18 kW
  • 21 kW
  • 24 kW

Power Specifications

Power Sources

  • AC, Single-Phase, 60 Hz
  • AC, Single-Phase, 50 Hz
  • AC, Three-Phase, 60 Hz
  • AC, Three-Phase, 50 Hz

Voltages

  • 208
  • 220
  • 230
  • 240
  • 380
  • 400 (380-415)
  • 440
  • 480
  • 600
  • 690

Power Connectors

  • Hardwired

Temperature Control

Primary Temperature Control

  • 32–176°F (0–80°C), adjustable

Primary Temperature Control Set Points

  • 122°F (50°C), factory set

Primary High Limit Temperature

  • 195°F (90°C)

Mount Types

  • Foot

Inlets / Outlets

Inlets

  • 1” NPT

Outlets

  • 1” NPT

Ingress Options

Control Box Ingress

  • NEMA 4
  • IP66

Coolant Motor Ingress

  • IP55

Certifications

  • CSA C/US
  • Marine Society certification available
  • CE conformance

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