Installation and Service Manual

Field Provided Jumper Wire

Required for Mode 3 Operation

Remote On/Off

 

 

 

 

 

 

Remove Factory Jumper

 

 

 

 

 

 

if Jumper Wire is Added.

HeatDem1

 

 

HeatDem2

 

 

STAGE 1

STAGE 2

STAGE 3

STAGE 4

1C

1NO

2C

2NO

3C

3NO

4C

4NO

 

CONTINUOUS

INTERMITTENT

 

 

 

A1

A2

 

A3

B1

B2

B3

 

 

 

 

 

 

Figure 42B

 

CONNECTIONSFIELD

REMOTE ON/OFF BOILER OR WATER HEATER

Priority or O.A.

 

 

 

 

 

 

 

 

Lockout Override

 

 

 

 

 

 

 

Remote On/Off

 

 

 

 

 

 

 

 

(Optional)

 

 

 

 

 

 

 

 

HeatDem1

 

 

 

HeatDem2

 

 

 

STAGE 1

 

STAGE 2

STAGE 3

STAGE 4

 

1C

1NO

 

2C

2NO

3C

3NO

4C

4NO

 

 

CONTINUOUS

INTERMITTENT

 

 

 

A1

 

A2

A3

B1

B2

B3

 

Figure 42C

BOILER WITH DOMESTIC HOT WATER PRIORITY OR I/O RESET OVERRIDE

FIELDCONNECTIONS

STAGE 2

 

 

 

 

 

 

STAGE 1

 

 

 

 

 

 

HeatDem1

 

 

HeatDem2

 

 

 

 

 

 

 

 

STAGE 1

STAGE 2

STAGE 3

STAGE 4

 

1C

1NO

2C

2NO

3C

3NO

4C

4NO

 

 

CONTINUOUS

INTERMITTENT

 

 

 

A1

A2

A3

B1

B2

B3

 

Figure 42D

2 STAGE (High/Low Fire) BOILER OR WATER HEATER

CONNECTIONS

STAGE 4

 

 

 

 

 

 

 

STAGE 3

 

 

 

 

 

 

 

STAGE 2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FIELD

STAGE 1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

HeatDem1

 

 

HeatDem2

 

 

 

STAGE 1

STAGE 2

STAGE 3

STAGE 4

 

1C

1NO

2C

2NO

3C

3NO

4C

4NO

 

 

CONTINUOUS

INTERMITTENT

 

 

 

A1

A2

A3

B1

B2

B3

 

Figure 42E

4 STAGE (High/Low Fire) BOILER OR WATER HEATER

HeatDem1

 

 

HeatDem2

 

STAGE 1

STAGE 2

STAGE 3

STAGE 4

1C 1NO

2C

2NO

3C

3NO

4C 4NO

CONTINUOUS

INTERMITTENT

A1

A2

A3

B1

B2

B3

OK

 

 

OK

 

COM

 

FAIL

COM

FAIL

CONTINUOUSLY INTERMITTENTLY

MONITORED MONITORED

EXAMPLE DEVICES:

HIGH/LOW GAS, AUX. HI-LIMIT

AUX. LIMITS, EXT. FLOW SWITCH

Figure 42F

FIELD INSTALLED SAFETY DEVICES

OPERATION

FOR YOUR SAFETY READ BEFORE OPERATING

A.This appliance does not have a pilot. It is equipped with an ignition device which automatically lights the burner. Do not try to light the burner by hand.

B.BEFORE OPERATING, smell around the appliance area for gas. Be sure to smell next to the floor because some gas is heavier than air and will settle to the floor.

41

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Lochinvar 399, 999 - 750, CF-CH(E)-i&s-08 For Your Safety Read Before Operating, Remote ON/OFF Boiler or Water Heater

399, CF-CH(E)-i&s-08, 999 - 750 specifications

Lochinvar 999 - 750, CF-CH(E)-i&s-08,399 is a cutting-edge boiler designed for commercial heating applications. With its robust construction and high efficiency, this model stands out in the crowded market of heating solutions.

One of the main features of the Lochinvar 999 - 750 is its exceptional thermal efficiency rating. The unit incorporates advanced condensing technology that allows it to recover heat from flue gases, which helps in achieving efficiency levels of up to 99%. This efficiency not only reduces energy consumption but also lowers operational costs, making it an excellent investment for businesses looking to minimize their carbon footprint.

The boiler is designed to provide a powerful output of 750 kW, ensuring it meets the heating demands of larger buildings or commercial spaces. Its capacity makes it suitable for a range of applications including schools, hospitals, and industrial facilities. Moreover, the unit features a built-in cascading system that enables multiple boilers to be connected, enhancing system reliability and flexibility.

In terms of technology, the Lochinvar 999 - 750 is equipped with a user-friendly touchscreen interface. This innovative control system allows operators to monitor and adjust settings with ease, providing real-time performance data and alerts for maintenance needs. The intelligent controls optimize operation to match the heating load, further enhancing energy efficiency.

Safety is a top priority with this model. It is built with multiple safety features such as automatic shut-off valves, pressure relief valves, and flame monitoring systems, ensuring safe operation under various conditions. The unit also adheres to stringent industry standards and regulations, making it a reliable choice for commercial applications.

Furthermore, the Lochinvar 999 - 750 is designed with serviceability in mind. Its compact footprint and accessible components simplify maintenance, reducing downtime and associated costs. The unit also supports a variety of fuel sources, including natural gas, propane, and biodiesel, providing flexibility to meet different facility requirements.

In summary, the Lochinvar 999 - 750, CF-CH(E)-i&s-08,399 represents a blend of efficiency, reliability, and safety in commercial heating. Its advanced technologies and thoughtful design make it a powerful solution for various heating needs, making it an ideal choice for businesses aiming for excellence in energy management and operational efficiency.