Lochinvar 81-286 manual Call for Heat

Models: 81-286

1 16
Download 16 pages 58.01 Kb
Page 12
Image 12

User’s Information Manual

4 SMART SYSTEM control module

Figure 5 Status Display Screen

A

(BOILER

STATUS)

C

(OPERATIONAL

INFORMATION)

D

(LEFT SELECT

KEY)

E

B

(CALL FOR

HEAT)

F

(RIGHT SELECT KEY)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(NAVIGATION DIAL)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Status Display Screens

Section

 

 

Display

 

 

 

Description

 

STANDBY

 

 

 

The unit has not received a call for heat from a remote thermostat nor

 

 

 

 

has it received a call for heat from a DHW thermostat.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

START

 

 

 

The unit has begun a burn cycle and is checking all safety circuits.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PREPURGE

 

 

 

The unit has initiated a prepurge period on a call for heat.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IGNITION

 

 

 

The unit has begun a spark period to ignite the main burner.

A

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

%

 

 

 

 

 

 

 

 

The unit has fired and is running at the displayed percentage.

(Boiler Status

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

The call for heat has been satisfied and the unit runs the fan for an

Bar)

POSTPURGE

 

 

 

additional postpurge period to clear the combustion chamber and

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

vent system of residual flue products.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SHUTDOWN

 

 

 

The unit has been placed in the OFF position.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

The controlled temperature has exceeded its set point and its offset.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BLOCKED

 

 

 

The unit has detected a condition that has temporarily interrupted

 

 

 

 

the current call for heat.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Room Thermostat 1 has a call for heat.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Room Thermostat 2 has a call for heat.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

B

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Room Thermostat 3 has a call for heat.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(Call for Heat

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

The tank thermostat or sensor has a call for heat.

Indicators)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Indicates which room thermostat demand shows priority.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

The unit is being controlled by a 0 - 10V BMS signal.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

The member unit is supplying heat while in Cascade Mode.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

12

Page 12
Image 12
Lochinvar 81-286 manual Call for Heat

81-286 specifications

Lochinvar 81-286 is a highly efficient and innovative heating solution that represents the latest advancements in boiler technology. This model, part of Lochinvar's prestigious line-up, is designed for commercial applications, delivering superior performance while emphasizing energy efficiency and user-friendly operation.

One of the standout features of the Lochinvar 81-286 is its robust construction. Built with high-quality materials, the unit is engineered for durability and reliability, ensuring long-term operation with minimal maintenance. Its compact design allows for versatility in installation, making it suitable for various building layouts and configurations.

The boiler's primary technology is its advanced condensing capability, which optimizes heat transfer and reduces energy consumption. By efficiently using the heat generated during combustion, the 81-286 can achieve higher thermal efficiencies, often surpassing traditional systems. This results in lower operating costs and reduced greenhouse gas emissions, aligning with the growing demand for sustainable energy solutions in commercial buildings.

Lochinvar incorporates intelligent control systems into the 81-286, featuring user-friendly interfaces that facilitate straightforward programming and monitoring. These control systems enable precise regulation of temperature and pressure, ensuring optimal operation while providing real-time feedback that aids in troubleshooting and maintenance. Users can enjoy the convenience of remote monitoring, enhancing the overall user experience.

Another key characteristic of the Lochinvar 81-286 is its capacity range. The model is available in various sizes, allowing it to meet the specific demands of different facilities, from small businesses to large industrial applications. This flexibility makes it a top choice for contractors and engineers seeking reliable heating solutions that cater to diverse needs.

In addition, the Lochinvar 81-286 boasts exceptional safety features, including built-in safeguards that protect against overheating and pressure surges. These aspects ensure that the unit operates within safe parameters, providing peace of mind for facility managers and operators.

In summary, the Lochinvar 81-286 combines durability, efficiency, and advanced technology, making it an ideal solution for commercial heating needs. With its innovative condensing design, intelligent controls, and safety features, this boiler stands out as a reliable choice for those seeking sustainable and effective heating solutions. Its versatility and performance make it a key player in today’s ever-evolving energy landscape.