Honeywell Aquastat L8100C Manual page 5

L8100A,B
TH PP
PP
TH
VS890
1
VALVE OPERATOR
COIL
PILOTSTAT® POWER
UNIT COIL
1 DOTTED LINE SHOWS INTERNAL WIRING.
SELECTED MODELS HAVE 3/16 AND 1/4 IN. TAB TERMINALS.
2
Fig. 6. L8100A,B hookup with VS890 where
controller cuts out main valve and ECO switch
cuts out pilot safety valve.
TH PP
PP
TH
VS890
1
VALVE OPERATOR
COIL
PILOTSTAT® POWER
UNIT COIL
1 DOTTED LINE SHOWS INTERNAL WIRING.
SELECTED MODELS HAVE 3/16 AND 1/4 IN. TAB TERMINALS.
2
Fig. 7. L8100A,B hookup with VS890 where controller and
ECO switch are placed in series to cut out main valve.
CONTROLLER
ECO SWITCH
2
POWERPILE®
MILLIVOLT
GENERATOR
M4748
L8100A,B
CONTROLLER
ECO SWITCH
2
POWERPILE®
MILLIVOLT
GENERATOR
M4749
L8100A,B,C Aquastat
TH
TH
VS820
GAS VALVE
1
VALVE OPERATOR
COIL
1 USE 4-TERMINAL VS820 GAS VALVE.
DOTTED LINE SHOWS INTERNAL WIRING.
2
3 SELECTED MODELS HAVE 3/16 AND 1/4 IN. TAB TERMINALS.
Fig. 8. L8100A,B hookup with four-terminal VS820
where controller cuts out main valve and ECO
switch cuts out pilot safety valve.
VS820
TH PP
TH
2
VALVE OPERATOR
COIL
PILOTSTAT® POWER
UNIT COIL
1
USE 3-TERMINAL VS820 GAS VALVE.
DOTTED LINE SHOWS INTERNAL WIRING.
2
SELECTED MODELS HAVE 3/16 AND 1/4 IN. TAB TERMINALS.
3
Fig. 9. L8100A,B hookup with three-terminal VS820
where controller and ECO switch are placed in
series to cut out main valve.
5
CONTROLLERS
®
L8100A,B
CONTROLLER
ECO SWITCH
3
PP
POWERPILE®
PP
MILLIVOLT
GENERATOR
2
PILOTSTAT® POWER
UNIT COIL
M4750
L8100A,B
CONTROLLER
ECO SWITCH
3
1
POWERPILE®
PP
MILLIVOLT
GENERATOR
M4751
60-2336—3