Honeywell RM7898A1000 User Manual

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

Honeywell RM7898A1000 Specifications

General

Brand	Honeywell
Model	RM7898A1000
Category	Control Unit
Language	English