Honeywell ControLinks R7999C Manuel D'installation page 9

2
L1
(HOT)
L2
GND
FUEL SELECT SWITCH
4
MV
HFS
19
L1 L2 G 9
LFS
18
BURNER
HF
CONTROL
12
(RM78XX)
COM
13
15
LF
14
7 6
ILK
DMD
LIMITS IN
OR
OR
RS232
(PC)
S7999D1048
SYSTEM
DISPLAY
Fig. 4. Hookup block diagram—R7999C and associated equipment.
AUTO
MANUAL L1
1
G
2
L2
3
FUEL 1 mV
A/M
4
FUEL 2 mV
FS1
5
FS2
6
ALR
ALARM 7
HFP
8
LFP
9
HF
10
7
MV
11
LF
12
CTRL
LCI
2
13
LCO
14
USB TO
RS-485
3
QM4520
RS232/RS485
RS485
CONVERTER
(EXT)
1
GROUND SHIELD TO SUBBASE EARTH GROUND SCREW ON LOW VOLTAGE SIDE OF SUBBASE.
RS485 DDL
2 FUSE LINE VOLTAGE TO CONTROL SYSTEM WITH TYPE SC15 FUSE OR FUSE LIMIT INPUT WITH
TYPE SC5 FUSE.
RS-485 DDL CONNECTOR IS ON R7999C CONTROLLER.
3
4 MUST USE APPROVED FUEL SELECT SWITCH (CENTER OFF POSITION).
NORMALLY OPEN MOMENTARY SWITCH (CONNECTION BETWEEN TERMINALS 35 AND 38).
5
6 MANUAL FIRING RATE POTENTI0METER (CONNECTION BETWEEN TERMINALS 36 AND 38).
7 FOR APPLICATIONS DOING VALVE PROVING (VPS) ADD RELAY AS SHOWN. ALSO A SELECTOR
SWITCH IS NEEDED TO SWITCH THE BURNER CONTROL DMD, GAS TO TERMINAL 17 AND OIL
TO TERMINAL 6.
9
R7999C CONTROLINKS™ CONTROLLER
A-1
Q7999
15
A-2
16
CW
17
S
18
CCW
19
F1-1
20
F1-2
21
CW
22
S
23
CCW
24
F2-1
1
25
F2-2
26
CW
27
S
28
CCW
29
FG-1
30
FG-2
31
CW
32
S
33
CCW
34
RR
35
RESET
MNC
(REMOTE)
36
XmA+
37
XmA–
38
1
CmA+
39
CmA–
40
1
RS485 DDL
1
AIR
CW
1
FUEL 1
CW
FUEL 2
CW
1
FGR
CW
5
MIN
MANUAL FIRING RATE
POTENTIOMETER
5K OHM
MAX
6
STACK OR
WATER TEMP.
4-20mA
SSLC
4-20mA
M36822
32-00081EF—01