OCLE Oil Coolant Heating System Hazardous Location
The OCLE model (UL C/US listed; Class 1, Div 1, Group D T3 or Class 1 Zone 1 Group IIA T3 depending on configuration) is HOTSTART’s largest capacity combination coolant-oil heating system designed for use in North American hazardous location applications. Its combination of heating power options (up to 36 kW for coolant; up to 12 kW for oil) and pump power give it the capability to handle the largest engine heating applications. Its pre-packaged, plate-mounted configuration allows the heating system to be installed on the skid for operator access and its remote automatic function and customer interface connections simplify integration into an existing control system.
This combination system provides double the service in a single unit. By continuously circulating heated oil throughout the sump as well as heated coolant throughout the block, critical fluids are maintained at the optimal temperatures for immediate startup. When compared to cold starts, engines kept at an optimal temperature produce lower NOx emissions at startup. Engine and oil heating also eliminates the need for extended idling resulting in less overall maintenance.
In oil and gas applications, improving equipment availability and maintaining system readiness are critical factors in reducing expenses and improving the bottom line. In cold climates, HOTSTART heating systems ensure immediate startup on demand even in freezing temperatures. In warm, humid climates, HOTSTART systems maintain equipment above the dew point, eliminating the risk of condensation forming inside the heads during cool down periods.
Can be used in hazardous locations.
Heating Information
Primary Heating
- Coolant Mix
Primary Heat Power
- 6 kW
- 9 kW
- 12 kW
- 18 kW
- 24 kW
- 30 kW
- 36 kW
Secondary Heating
- Lubrication Oil
Secondary Heat Power
- 2.5 kW
- 6 kW
- 9 kW
- 12 kW
Power Specifications
Power Sources
- AC, Single-Phase, 60 Hz
- AC, Three-Phase, 60 Hz
Voltages
- 208
- 240
- 480
- 575
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)
Secondary Temperature Controls
- 32–176°F (0–80°C), adjustable
Secondary Temperature Control Set Points
- 105°F (40°C), factory set
Secondary High Limit Temperatures
- 195°F (90°C)
Mount Types
- Plate
Inlets / Outlets
Inlets
- 1.25” NPT
Outlets
- 1” NPT
Secondary Inlets / Secondary Outlets
Secondary Inlets
- Determined by flow rate
Secondary Outlets
- 1” NPT
Ingress Options
Control Box Ingress
- NEMA 4, 7, 9
Certifications
- UL-C / US listed
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