Honeywell 700 ユーザーズマニュアル

66-2069—02

2

1. All models include Electronic self-check.

2. Flicker Frequency filter settings available for IR sensor 

models.

3. Gain Selection available through Signal Processor.

The viewing heads, the viewing head connector, and the cable 

provided are watertight, and have NEMA 4X ratings when the 

connector is properly tightened with pliers and the cable is 

protected from UV exposure.

The availability of both UV-sensing and IR/flicker-sensing 

viewing heads ensures that the flame monitoring systems can 

provide good discrimination in most single and some multiple 

burners firing a single fuel. UV sensing is appropriate for 

monitoring natural gas, some mixed gases and light oil flames. 

IR/ flicker sensing is appropriate for monitoring heavy oil and 

coal flames.

24VDC Power is supplied by Signal Processor

Viewing Head Sealing: NEMA TYPE 4X rated when the 

molded connector ring is tightened with pliers and a UV 

protection is provided for the cable by installing in conduit.

Ambient Temperature: -40°F to 185°F (-40°C to 85°C)

S702, S702PF, S702HF, S702HFPF, S802, S802HF:  

Germanium photodiode with spectral response 950nm to 

1710nm (1/2 intensity points) and peak spectral response 

at 1400nm

High Pass Filter Pickup: 33 Hz standard, 155 Hz high 

frequency option (-HF)

Angle of View: 1 degree (1.45 in. dia. at 6 ft. or 3.7 cm dia. at 

1.8 m)

S706 & S706PF, S806: UVtron with spectral response 185nm 

to 260nm and a peak response at 210nm

Angle of View: 5 degrees (1 inch per foot)

New installations - highest level of EMI shielding available:

ASY785 --> 50 foot C330S cable with pre-wired ASY786 

connector.

ASY785-200 --> 200 foot C330S cable with pre-wired 

ASY786 connector.

ASY786 --> Field wireable connector with shield.

Refer to Fig. 9 and Fig. 10.

Primary Input Power: 85-265VAC, 50-60 HZ, 0.07A Max. 

fused (with either V.H. connected)

Battery Backup Voltage: 22VDC to 26VDC, 0.2A DC Max. 

fused (with either V.H. connected)

Primary Input Power: 22VDC to 26VDC, 250 mA Max. fused 

(with either V.H. connected)

Battery Backup Voltage: 22VDC to 26VDC, 0.5A DC Max., 

fused (with either V.H. connected)

Flame Relay: 2 form C contacts

Self-Checking Relay: 1 form C contact

Relay Contact Ratings: 5A at 125 VAC, 277 VAC, & 30 VDC; 

1/8 HP 125 & 250 VAC

Analog Flame Signal: Isolated 0 to 20 mA or 4 to 20 mA 

output for remote meters or DCS, 360 ohms maximum 

resistance

Ambient Temperature: 32°F to 140°F (0°C to 60°C)

Refer to Fig. 11 and Fig. 12.

S702

X

X

X

S702HF

X

X

X

X

S702PF

X

X

X

S702HFPF

X

X

X

X

S706

X

X

X

S706PF

X

X

X

S802

X

X

X

S802HF

X

X

X

X

S806

X

X

X