3
EN1C-0015SZ20 R0602
TECHNICAL DATA
SPECIFICATION
Specification
Models
C7061A: Self checking UV flame detector in standard
housing.
C7061F: Self checking UV flame detector in explosion proof
housing. Designed for use with either,
R7061 Dynamic Self-Check Ultraviolet amplifier and
• R4348 Flame Switch
or with,
R7861A Dynamic Self-Check Ultraviolet amplifier and,
• 7800 SERIES Burner Programmers
Ambient Operating temperature ratings
C7061A: -40°C to +70°C (-40°F to +160°F)“(derate ambient
1°F for every 13°F of aspirator temperature over
160°F).
C7061F: -20°C to +70°C (-22°F to +160°F)
Storage temperature ratings
• -51°C to +85°C (-60°F to +185°F)
Voltage and Frequency
C7061A1004 120 VAC, 50/60 Hz
C7061A1020 115/230 VAC, 50/60 Hz
C7061F1003 115/230 VAC, 50/60 Hz
The System operates correctly at a nominal voltage (-15%,
+10%), 50/60 Hz.
Flame Signal
Measured at the flame current meter jack.
C7061 Detector:
1.4 to 5.5 micro amps (nominal).
R7061A
Amplifier:
2.5 to 5.5 micro amps (nominal).
R7861A
Amplifier:
1.25 to 5.0 Volts (On keyboard
display module).
Flame Signal amplifier
R7061A
Dynamic Self-Check Ultraviolet amplifier
R7861A
Dynamic Self-Check Ultraviolet amplifier
(Order separately)
lnterchangeability
Models C7061A and C7061F are not interchangeable with
other flame detector models.
Shutter frequency
0.2 Hz, nominal (when used in combination with 7800 SE-
RIE). Interrupts the line-of-sight of the detector about 12 times
per minute to provide self-checking. Any malfunction in the
flame detection system results in a safety shutdown. 1Hz
nominal when used with R4348 in combination with R7061
amplifier.
Pressure rating of quarz viewing window
C7061A: 138 kPa (20 psi) maximum.
C7061F: 690 kPa (100 psi) maximum
Dimensions
C7061A: see figure 1.
C7061F: see figure 2.
Housing
C7061A:
Construction: cast-aluminum cover.
Color: Violet.
Mounting flange (with heat block) and faceplate are separate
to provide heat insulation and seal-Off.
C7061F:
Meets requirements (explosion-proof): EEx d IIC T6
Construction: cast-aluminum Cover.
Color: Violet. Mounting flange (with heat block) and faceplate
are separate to provide heat insulation and seal-Off.
Enclosure
C7061A: Meets IP66 enclosure requirements (indoor,
outdoor protection; rain-tight, dust-tight, hose-
directed water). “Optional water jacket available.
C7061F: IP65 according to DIN 40050
Weight
C7061A: 3.3 kg (7.3 Ib)
C7061F: 6.3 kg (13.9 Ib)
Mounting and orientation
C7061A : Mounting flange with 3/4 inch NPT internal threads
for attaching to sight pipe.
C7061F: Mounting flange with 1 inch NPT internal threads
for attaching to sight pipe.
For allowable mounting positions of model C7061A and F,
see Page 9.
Wiring Connections
C7061A1004:
NEC Class 1 color coded leadwire.
Length: 8 ft (2.4m).
C7061A1020:
Terminal block
Threaded leadwire opening in faceplate:
1/2-14 NPSM internal threads for attaching conduit.
One brass cable gland standard with housing.
For C7061F only:
Terminal block:
Terminal block inside the housing, wire clamp type,
removable screws (terminal lugs can be used).
Cable entry holes:
One brass cable gland Ex classification: EExdII C, is
standard provided in the housing.
Inner sheath diameter 6 to 12 mm
Outer sheat diameter 8.5 to 16 mm
Tightening torque:
• cable gland into rear cover plate: 20 Nm
• cap into cable gland: 3 Nm
Serviceability
Field replaceable viewing window and ultraviolet sensing
tube, coil and shutter assembly.
Maximum cable length
300 meter between sensor and amplifier
Design life
Ultraviolet sensing tube: limited life, see sections
Troubleshooting and Service.
Summary of Contents for C7061A
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