Honeywell 7800 Series Installation Instructions Manual page 27

OP.
CONTROL
LIMITS
L1
INTERLOCKS
A. SINGLE FUEL: 10 SECOND INTERRUPTED PILOT
OP.
LIMITS CONTROL
L1
INTERLOCKS
B. SINGLE FUEL: INTERMITTENT PILOT
OP.
LIMITS CONTROL
L1
INTERLOCKS
C. SINGLE FUEL: DIRECT SPARK IGNITION
OP.
LIMITS CONTROL
L1
GAS
INTERLOCKS
OIL
INTERLOCKS
T8
T21
T9
D. DUAL FUEL: BOTH 10 SECOND INTERRUPTED
GAS PILOT
RM7898A 7800 SERIES VALVE PROVING PRIMARY RELAY MODULES
NC
T18 DSI-VP SEL.
NC T19 (IP SEL.)
T6
T8
PV
T17 T21
T7
T9
MV
L2
M23829
T18 DSI-VP SEL.
NC
L1 T19 (IP SEL.)
T6
T8
PV
T17 T21
T7 T9
MV
L2
M23830
NC T18 DSI-VP SEL.
L1 T19 (IP SEL.)
T6
T8
MV
T17 T21
T7 T9
L2
M23831
T6
T19
NC
(IP SEL.)
T7
IF EA IS USED THEN
GAS/OIL SWITCHING IS
ALSO NEEDED HERE.
PV
GAS MV
OIL MV
L2
M23874
27
OP.
LIMITS CONTROL
L1
GAS
INTERLOCKS
OIL
INTERLOCKS
T8
T21
T9
E. DUAL FUEL: GAS 10 SECOND INTERRUPTED PILOT,
OIL INTERMITTENT PILOT
OP.
LIMITS CONTROL
L1
GAS
INTERLOCKS
OIL
INTERLOCKS
T8
T9
F. DUAL FUEL: GAS 10 SECOND INTERRUPTED PILOT,
OIL: DIRECT SPARK IGNITION
OP.
LIMITS CONTROL
L1
GAS: IP OIL: 10
T8
T21
T9
G. DUAL FUEL: GAS INTERMITTENT PILOT,
OIL 10 SECOND INTERRUPTED GAS PILOT.
NO VP
T6
T19
(IP SEL.)
T7
IF EA IS USED THEN
GAS/OIL SWITCHING IS
ALSO NEEDED HERE.
PV
GAS MV
OIL MV
L2
M23834
T6
T7
IF EA IS USED THEN
GAS/OIL SWITCHING IS
ALSO NEEDED HERE.
PV
GAS MV
OIL MV
L2
M24144
T6
T19 (IP SEL.)
GAS
T7
INTERLOCKS
OIL
IF EA IS USED THEN
INTERLOCKS
GAS/OIL SWITCHING IS
ALSO NEEDED HERE.
PV
GAS MV
OIL MV L2
M23833
32-00209—03