Honeywell Electronic Aquastat L7148F Manual page 8

L7148F ELECTRONIC AQUASTAT
2
L1
DISCONNECT
L2
SWITCH
1
L7148F
C1
L1 C2 L2
CIRCULATOR
HIGH LIMIT DIAL
5
COM
DATA
PORT
TO ADVANCED
FEATURE
MODULE
2
L1
DISCONNECT
L2
SWITCH
1
L7148F
CIRCULATOR
HIGH LIMIT DIAL
TO ADVANCED
FEATURE
MODULE
Fig. 8. Wiring L7148F with S8610 Intermittent Pilot Ignition Module with automatic
vent damper plug and Honeywell D892/D896/M892/M896 Vent Damper.
68-0189—2
®
CONTROLLER
L2X
R
L1X C
3
OPTIONAL VENT
DAMPER PLUG
5
5 5
C
G B2
L2X
B1
4 R
R
L1X
6
5
4
S1 S2
C W R
TO BOILER
SENSOR
Fig. 7. Typical three-wire zone valve hookup diagram.
L2X
L1X
4
OPTIONAL VENT
DAMPER PLUG
6
6
C1 G B2
L2X
B1
5
R
L1X
L1 C2 L2
6
6
COM
6
5
DATA
PORT
S1 S2
C W R
TO BOILER
SENSOR
COM 24V
COM
BURNER
CONTROL
24V HOT
TO VALVE
OR
IGNITION
CONTROL
3
2
1
T87
ZONE 1
T87
ZONE2
T87
ZONE 3
R
S8610
C
GND
MV MV/PV PV (BURNER)
VR8304
6
C
R
1 POWER SUPPLY. PROVIDE DISCONNECT MEANS
AND OVERLOAD PROTECTION AS REQUIRED.
2
GROUND MUST BE AN EARTH GROUND CONNECTION.
B1 AND S1 ARE 3/16 INCH QUICK CONNECT TERMINALS.
3
ALL OTHER TERMINALS ARE 1/4 INCH.
4 C, Z, B2, G ARE ALL CONNECTED INSIDE DEVICE.
5
FOR EXTERNAL TRANSFORMER VA REQUIREMENTS,
REFER TO APPLICATION SECTION.
R IS A CONVENIENCE TERMINAL FOR 24V HOT
6
CONNECTION FOR USE WITH IGNITION CONTROLS.
THERMOSTAT
8
1
POWER SUPPLY. PROVIDE DISCONNECT MEANS
AND OVERLOAD PROTECTION AS REQUIRED.
2 GROUND MUST BE AN EARTH GROUND CONNECTION.
3 FOR EXTERNAL TRANSFORMER VA REQUIREMENTS,
REFER TO APPLICATION SECTION.
4
B1 AND S1 ARE 3/16 INCH. QUICK CONNECT TERMINALS.
ALL OTHER TERMINALS ARE 1/4 INCH.
C, COM, Z, B2, G ARE ALL CONNECTED INSIDE DEVICE.
5
R IS A CONVENIENCE TERMINAL FOR 24V HOT
6
CONNECTION FOR USE WITH IGNITION CONTROLS.
3
3
2
2
1 1
120V
L1 L2
(HOT)
VENT
24V
DAMPER
GND 24V TH-W PLUG
PV
PV
MV
MV
3
2
1
T87
ZONE 4
1
M17972
SPARK
M11478B