Kromschroder PFU 780

Series Specifications

Application	Pilot and main burners; separate flame supervision
Operating duty	UVS: intermittent; ..U with compatible self-checking detector: continuous
Air valve control	L option
Supply options	T: 220 V AC, 50/60 Hz; T: 240 V AC, 50/60 Hz; N: 110 V AC, 50/60 Hz; N: 120 V AC, 50/60 Hz
Protection	IP00; front IP20 when installed in specified module subrack
Ambient temperature	−20 to +60 °C

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Product Overview

The Kromschröder PFU 780 controls pilot and main burners with separate flame supervision. Its type code identifies the supply version, air-valve control and flame-supervision configuration.

Configuration Options

T: 220/240 V AC; N: 110/120 V AC, 50/60 Hz.
L suffix: air-valve control.
UVS detectors: intermittent operation.
Continuous UV supervision requires the ..U version and a compatible self-checking detector.

Installation

The module is rated IP00. Its front is IP20 when installed in the specified module subrack. The ambient operating range is −20 to +60 °C.

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KromschroderPFU 780

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