Page3of 3
Filename: 310display-d3.tcw
Date: 12/20/97
By:R. Fenske
310DISPLAY-D
SCHEMATIC
J1
PHONE JACK
FROM FID IGNITOR
ASSEMBLY
TOTALSETPOINT
PUSHBUTTON
ACTUAL
PUSHBUTTON
SIGNAL+
TODISPLAY
BUFFERAMP
SEEPAGE2
R1
100
OHM
R
G
Y
B
FID IGNITORORNPDVOLTS
PUSHBUTTONCIRCUITS
ONDISPLAYBOARD
YELLOWLED
INSTALLED
BACKWARDS
FORNEGATIVE
FID IGNITOR
ORNPD
VOLTAGE
FID IGNITOR
NORMALLY
CLOSED
MOMENTARY
ONSWITCH
(ELIMINATE
FORNPD)
S6
ac
ac
25AMP
BRIDGE
RECTIFIER
-
+
10VAC
INPUTFROM
TRANSFORMER
10000uF
CAPACITOR
FID IGNITORASSEMBLY
ONUPRIGHTMETAL
BRACKETONTHELEFT
SIDEOFTHECHASSIS
CIRCULATIONFAN
G
R
Y
B
1K
12VDC
INPUT
OUT
ADJ
100OHM
1WATT
IGNITOR/NPDBEAD
SETPOINT
VOLTAGE
PLUGS INTOPUSHTERMINALS
NEXTTODETECTORASSEMBLY
P1
1KFORFID IGNITOR
500OHMFORNPD
FID IGNITOR
ADJUSTMENT
POTP1 ISTYPICALLY
SETTO -400.
WHENMOMENTARY
SWITCH ISFLIPPED
UP, IGNITOR ISAT
MAXVOLTAGE.
(-1000)
LM338
BOTTOM
VIEW
+
HARD-WIRED
TOBRIDGE
1 OHMAT
ROOM TEMP.
2
FID IGNITOR
ORNPDVOLTS
CIRCUIT
1
3
4
5
2
6
R25/R26
100OHM
1WATT
SCR3/SCR4
Q6004
ACHOT
SWITCHED
TO
SOLENOID
SEEAC
BLOCK
SCHEM.
R22/R24
100OHM
1WATT
U7/U8
MOC3030
(220V-MOC3040)
ACNEUTRAL
SWITCHED
Q1/Q2
2N3903
R21/R23
10K
+12V
SOLENOID
INPUT
FROM
A /D
BOARD
SOLENOIDCIRCUITS
FORACTIVATION
OF 'SPLITVENT'
OROPTIONS
(SOL1/SOL2)
REV.: 07/01/99
By:R.PFEIFER
