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Honeywell Aquastat L4007 Product Data page 13

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PROTECTORELAY
CONTROL
1
L4006A OR L4007A HIGH
LIMIT CONTROLLER
2
4
24 VOLT
THERMOSTAT
3
T
T
1 POWER SUPPLY. PROVIDE DISCONNECT MEANS
AND OVERLOAD PROTECTION AS REQUIRED.
Fig. 20. Typical oil-fired gravity system.
R
B
INDICATING
LIGHT
W
L6008A
CIRCULATOR AND
1 POWER SUPPLY. PROVIDE DISCONNECT MEANS
LOW LIMIT
AND OVERLOAD PROTECTION AS REQUIRED.
CONTROLLER
Fig. 21. L6008A used to control cooling
equipment and indicating light.
PROTECTORELAY
CONTROL
HIGH LIMIT
CONTROLLER
1
CIRCULATOR
2
AND LOW
IGNITION
LIMIT CONTROL
4
W
3
R
T
B
T
BURNER
MOTOR
LINE VOLTAGE
LOW VOLTAGE
1
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD
PROTECTION AS REQUIRED.
2
L6006C USED AS HIGH LIMIT CONTROL.
3
L6006C USED AS AN OPERATING CONTROL.
4
R-B OPENS, R-W CLOSES ON TEMPERATURE RISE.
Fig. 22. Typical oil-fired hydronic
system with domestic hot water.
L1
(HOT)
1
L2
IGNITION
OIL VALVE
BURNER
(IF USED)
MOTOR
M1054B
L1
(HOT)
1
L2
COOLING
EQUIPMENT
M8780A
2
24V
THERMOSTAT
SWITCHING RELAY
3
4
L1
CIRCULATOR
(HOT)
L2
1
M8960B
L4006,7,8; L6006,7,8 AQUASTAT
24 VOLT
THERMOSTAT
RA832A
SWITCHING RELAY
T
T
X
X
4
L4006B OR L4007B
CIRCULATOR
AQUASTAT
CONTROLLER
2
L4006A OR L4007A LOW LIMIT
AQUASTAT CONTROLLER
1
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND
OVERLOAD PROTECTION AS REQUIRED.
2
USE L4006E FOR MANUAL RESET.
Fig. 23. Typical oil-fired hydronic heating system that
provides year-round domestic hot water using RA832A.
24V THERMOSTAT
RA89A RELAY
2
1
3
2
CIRCULATOR
W
L6008A CIRCULATOR
LOW LIMIT CONTROLLER
1
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD
PROTECTION AS REQUIRED.
2
SELECT MODELS HAVE 1/4 IN. (6) TAB TERMINAL FOR W TERMINAL.
Fig. 24. Typical connection diagram for an oil-fired,
hydronic heating system that provides year-round
domestic hot water using RA817A.
13
®
CONTROLLERS
1
L4006A OR L4007A
HIGH LIMIT
L1
L2
AQUASTAT
(HOT)
CONTROLLER
2
1
IGNITION
CIRCULATOR
®
BURNER
®
PROTECTORELAY
CONTROL
BURNER MOTOR
L4008A OR E
RA817A
HIGH LIMIT
PROTECTORELAY
CONTROLLER
CONTROL
T
T
4
3
1
4
2
1
IGNITION
B
R
L1
L2
TRANSFORMER
(HOT)
®
1
2
4
3
T
T
M2855B
M8785B
60-2104—10

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