Honeywell 7800 Series Manual page 6

RM7888A
SPECIFICATIONS
Fig. 4—Rectification detectors.
IGNITION
ELECTRODE
(Q179C ONLY)
21
1
32
[42]
1
3
8
[79]
25
32
[20]
BRACKET
2
[51]
1
1 [32]
4
Fig. 5—Infrared detector.
65-0175
FLAME ROD
CERAMIC
INSULATORS
13
1
32
[36]
TARGET
3
[10]
8
1
1
1
16
[13]
2
[27]
3
[2]
32
25 17
32 32
THREADED
[20] [14]
MOUNTING
25
HOLES (2)–
2 [62]
32
10-32 UNF
Q179
5
1 [33]
16 16
C7013A
CELL MOUNT
2
2 LEADS IN A
48 INCH [1.2 METER]
FLEXIBLE CONDUIT
BUSHING WITH
MAGNIFYING LENS
1 [25]
7
32
3
3
4
[95]
11 1/2–14 NPSM
16
LEADWIRES
[18]
M1983
13
[21]
16
3
1
4
[45]
5
[8]
HEAT BLOCK
5
1 [41]
8
1
3
1
[70]
4 16
1
1
4
[32]
APERTURE
3/4-14
NPSM
COLLAR, 3/4-14 NPSM
INTERNAL THREADS
C7015
6
MOUNTING FLANGE
3/4–14 NPT
7
[183]
1
5
8
[130]
7
3
16
[87]
FACEPLATE
C7012A,C,E,F
1
1 [32]
4
C7014A
[27]
1
1
4
[32]
3/4-14 NPSM
INTERNAL
THREADS
M1982A
1
5 [133]
4
M1962A
3
1 [35]
8
M1847