Oil Burner Control Unit TF 974

Description

Oil Burner Control Unit TF 974

The Honeywell Satronic TF974 Control Box is an automated burner controller for 1 or 2-stage oil power burners up to 30 kg/h capacity and intermittent operations.

FLAME DETECTION:

• Photoresistor MZ 770 S
• Infrared-flicker detector IRD 1010
• UV solid state sensor UVD 970

SPECIFICATION

Part Number TF974, 65320054

Operating voltage 220 / 240 V (-15... +10%) 50 Hz (40 - 60 Hz)

Fuse rating 10 A fast, 6 A slow

Power consumption ca. 5 VA

Max. current rating

output terminal: term. 2 0.5 A, cos ϕ 0.4

output terminal: term. 3 1.5 A, cos ϕ 0.2

output terminal: term. 4 4 A, cos ϕ 0.4

output terminal: term. 5 0.5 A, cos ϕ 0.4

output terminal: term. 6 4 A, cos ϕ 0.4

output terminal: terml. 8 0.1 A, cos ϕ 0.4

total: 5 A, cos ϕ 0.4

Pre-purge time ca. 12 sec.

Pre-ignition time ca. 12 sec.

Post-ignition time ca. 20 sec. TF 974

Lockout safety time10 sec.

Reset time from lockout ca. 60 sec.

Flame detector MZ 770 S for side-on and end-on viewing

Light sensitivity > 6 Lux

Sensor operating current min. 30 µA

IRD 1010 for side-on or end-on viewing

UVD 970 end-on viewing

Weight incl. wiring base 0,25 kg

Mounting position any

Protection class IP 40

Recommended ambient operating temperature for control and flame detector 0°C... +60°C

Approval EN 230