Modine OHP 31S 48, OHP 31S 98, OHP 34S 48 infrared heater Installation and service manual

Below you will find brief information for infrared heater OHP 31S 48, infrared heater OHP 31S 98, infrared heater OHP 34S 48. This document contains information on installation, operation, and maintenance of these high intensity gas fired heaters. It outlines clearance to combustibles, gas supply and electrical requirements, ventilation, and troubleshooting guidelines. It also provides detailed information on heater mounting, gas connection, and leak testing.

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Modine OHP 31S 48, OHP 31S 98, OHP 34S 48 Installation and Service Manual | Manualzz

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Key features

  • High intensity gas fired
  • Infrared heat
  • Outdoor use
  • Clearance to combustibles
  • Gas supply and connection
  • Electrical requirements
  • Ventilation
  • Maintenance

Frequently asked questions

The minimum mounting height for all OHP Series Patio Heaters is 6.5 feet above the finished floor.

The clearance to combustibles for an OHP 31S 48 heater mounted at 0 degrees is 18 inches on the sides, 13 inches on the back, 48 inches below, 12 inches on the ends, and 36 inches on the front.

The OHP Series Patio Heater uses a 1/2” NPT gas pipe connection.

The OHP Series Patio Heater requires an external 24VAC electrical system with a NEC Class 2 transformer.

Provide at least 4 CFM/1,000 BTU/h of total gas input of heaters installed for ventilation.
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