PROTECTORELAY

 

 

L1

CONTROL

1

 

 

 

 

(HOT)

 

 

L4006A OR L4007A HIGH

1

 

2

LIMIT CONTROLLER

L2

 

 

24 VOLT

4

 

 

 

 

 

THERMOSTAT

 

IGNITION

 

 

 

 

 

3

 

 

 

T

 

 

 

T

BURNER

OIL VALVE

 

 

MOTOR

(IF USED)

1 POWER SUPPLY. PROVIDE DISCONNECT MEANS

M1054B

AND OVERLOAD PROTECTION AS REQUIRED.

Fig. 20. Typical oil-fired gravity system.

R

 

L1

 

1

(HOT)

 

 

B

COOLING

L2

INDICATING

 

LIGHT

EQUIPMENT

 

W

 

 

L6008A

1 POWER SUPPLY. PROVIDE DISCONNECT MEANS

CIRCULATOR AND

LOW LIMIT

AND OVERLOAD PROTECTION AS REQUIRED.

CONTROLLER

M8780A

Fig. 21. L6008A used to control cooling

equipment and indicating light.

PROTECTORELAY

2

24V

 

CONTROL

HIGH LIMIT

 

THERMOSTAT

 

 

CONTROLLER

 

 

1

 

 

 

 

2

CIRCULATOR

 

 

IGNITION

AND LOW

 

 

 

LIMIT CONTROL

 

 

4

SWITCHING RELAY

 

W

 

 

 

 

 

 

3

R

 

 

 

 

 

 

 

T

B

3

4

 

 

L1

 

 

 

CIRCULATOR

T

 

 

(HOT)

BURNER

 

 

 

L2

MOTOR

 

 

 

 

 

 

 

LINE VOLTAGE

 

 

 

1

LOW VOLTAGE

 

 

 

 

1POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED.

2L6006C USED AS HIGH LIMIT CONTROL.

3L6006C USED AS AN OPERATING CONTROL.

4 R-B OPENS, R-W CLOSES ON TEMPERATURE RISE.

M8960B

Fig. 22. Typical oil-fired hydronic system with domestic hot water.

L4006,7,8; L6006,7,8 AQUASTAT® CONTROLLERS

 

 

24 VOLT

 

 

 

 

 

THERMOSTAT

1

 

L4006A OR L4007A

 

 

 

RA832A

L1

L2

HIGH LIMIT

 

 

 

SWITCHING RELAY

(HOT)

 

AQUASTAT®

 

 

 

 

 

 

CONTROLLER

T

T

 

2

 

 

1

 

 

 

 

 

 

2

 

 

 

1

 

 

IGNITION

 

 

 

 

 

 

4

X

 

X

4

CIRCULATOR

 

L4006B OR L4007B

3

CIRCULATOR

 

AQUASTAT®

 

CONTROLLER

BURNER

 

2

T

 

L4006A OR L4007A LOW LIMIT

 

AQUASTAT® CONTROLLER

T

 

PROTECTORELAY

 

CONTROL

1POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED.

2 USE L4006E FOR MANUAL RESET.

M2855B

Fig. 23. Typical oil-fired hydronic heating system that provides year-round domestic hot water using RA832A.

24V THERMOSTAT

 

 

 

 

BURNER MOTOR

 

 

 

 

L4008A OR E

RA817A

 

 

 

 

 

HIGH LIMIT

 

PROTECTORELAY

 

 

 

 

CONTROLLER

CONTROL

 

 

 

 

 

 

 

 

T

T

 

RA89A RELAY

 

 

 

 

 

2

1

3

4

 

 

 

1

3

 

 

 

 

 

 

 

2

4

CIRCULATOR

 

2

 

 

 

1

IGNITION

 

W

B

R

L1

 

 

 

L2

TRANSFORMER

 

 

 

 

 

 

(HOT)

 

 

 

 

 

 

 

 

 

 

L6008A CIRCULATOR

 

 

 

 

 

 

LOW LIMIT CONTROLLER

 

 

1POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED.

2SELECT MODELS HAVE 1/4 IN. (6) TAB TERMINAL FOR W TERMINAL.

M8785B

Fig. 24. Typical connection diagram for an oil-fired, hydronic heating system that provides year-round domestic hot water using RA817A.

13

60-2104—10

Page 13
Image 13
Honeywell L6006, L4007, L6008, L6007, L4008 specifications Typical oil-fired gravity system

L6006, L4008, L6008, L6007, L4007 specifications

Honeywell has long been a leader in the field of heating, ventilation, and air conditioning (HVAC) controls, and its range of controls including the L4007, L6007, L6008, L4008, and L6006 models exemplifies this commitment to innovation, reliability, and energy efficiency.

The L4007 series is designed primarily for low-pressure applications, providing accurate control over gas and oil burners. With features such as adjustable differential settings, this series ensures that the heating systems operate optimally, enhancing both performance and safety. The robust construction and weather resistance make the L4007 an ideal choice for a variety of heating applications.

In contrast, the L6007 series takes it a step further by incorporating advanced technologies for more complex heating systems. These thermostats offer features like dual setpoint capabilities, temperature calibration, and improved diagnostics. They are particularly suited for commercial applications, where precision is essential for maintaining comfortable environments.

The L6008 expands on these features by introducing programmable capabilities. Users can tailor their heating needs according to specific schedules, leading to more efficient energy use. This model incorporates smart technology, allowing for integration with other smart home devices, which adds an extra layer of convenience for homeowners.

For those requiring more comprehensive control, the L4008 offers superior compatibility and flexibility. This model can manage multiple stages of heating or cooling and is perfect for systems that demand high degrees of control. With built-in protections against overheating and malfunction, the L4008 ensures a safe operation for all heating systems.

The L6006 offers a unique solution for applications that require both heating and cooling capabilities. This model is designed for versatility, making it suitable for a range of environments, from residential to commercial. Its user-friendly interface and precise control settings simplify the operation and management of HVAC systems.

Overall, Honeywell’s L4007, L6007, L6008, L4008, and L6006 models reflect the brand's dedication to providing high-quality, reliable, and efficient control solutions for diverse heating and cooling needs. They are engineered with advanced technologies that prioritize user comfort, energy efficiency, and system protection, making them essential tools for modern HVAC applications.