Lochinvar 1.5, 3.5, 2.5 service manual Delay Ramp BMS

Page 14

Service Manual

1 Service

Parameter table

Table 1B (continued from previous page) This table lists SMART TOUCH control module parameters and where to access them

Menu

OUTDOOR RESET

C

 

DELAY

D

RAMP

 

BMS

E

 

Sub

Parameter Name

See

Min

Max

Default

User

Installer

 

 

 

 

 

Item

(as shown on the LCD screen)

Page

Value

Value

Value

Access

Access

7

Boost Time

20

0

250

20

No

Yes

 

 

 

 

 

 

 

 

8

Boost Temperature

20

0

25

0

No

Yes

 

 

 

 

 

 

 

 

9

Shift OA Reset Curve

20

-27

27

0

No

Yes

1

Ramp Delay Mode

20

N/A

N/A

N/A

No

Yes

 

 

 

 

 

 

 

 

2

Ramp Delay Time #1

20

1

40

2

No

Yes

 

 

 

 

 

 

 

 

3

Ramp Delay Time #2

20

1

40

2

No

Yes

 

 

 

 

 

 

 

 

4

Ramp Delay Time #3

20

1

40

2

No

Yes

 

 

 

 

 

 

 

 

5

Ramp Delay Time #4

20

1

40

1

No

Yes

 

 

 

 

 

 

 

 

6

Ramp Delay Time #5

20

1

40

1

No

Yes

 

 

 

 

 

 

 

 

7

Ramp Delay Time #6

20

1

40

1

No

Yes

 

 

 

 

 

 

 

 

8

Ramp Delay Limit #1

20

10

100

20

No

Yes

 

 

 

 

 

 

 

 

9

Ramp Delay Limit #2

20

10

100

30

No

Yes

 

 

 

 

 

 

 

 

10

Ramp Delay Limit #3

20

10

100

40

No

Yes

 

 

 

 

 

 

 

 

11

Ramp Delay Limit #4

20

10

100

55

No

Yes

 

 

 

 

 

 

 

 

12

Ramp Delay Limit #5

20

10

100

75

No

Yes

 

 

 

 

 

 

 

 

13

Ramp Delay Limit #6

20

10

100

100

No

Yes

1

BMS Active/Inactive

21

ACTIVE

INACTIVE

INACTIVE

No

Yes

 

 

 

 

 

 

 

 

2

BMS Mode

21

POWER

SETPOINT

POWER

No

Yes

 

 

 

 

 

 

 

 

3

BMS Volts at Min Rate

21

0

10

2

No

Yes

 

 

 

 

 

 

 

 

4

BMS Volts at Max Rate

21

0

10

10

No

Yes

 

 

 

 

 

 

 

 

5

BMS Rate at Min Volts

21

4

100

4

No

Yes

 

 

 

 

 

 

 

 

6

BMS Rate at Max Volts

21

0

100

100

No

Yes

 

 

 

 

 

 

 

 

7

BMS Volts at Min Setpoint

21

0

10

2

No

Yes

 

 

 

 

 

 

 

 

8

BMS Volts at Max Setpoint

21

0

10

10

No

Yes

 

 

 

 

 

 

 

 

9

BMS Setpoint at Min Volts

21

32

185

68.9

No

Yes

 

 

 

 

 

 

 

 

10

BMS Setpoint at Max Volts

21

32

185

178.7

No

Yes

 

 

 

 

 

 

 

 

11

BMS Volts to Enable

21

0

10

2

No

Yes

 

 

 

 

 

 

 

 

12

Differential to Stop BMS Demand

21

0

10

0.5

No

Yes

 

 

 

 

 

 

 

 

13

BMS Enable Mode

21

ENABLE

VOLTAGE

VOLTAGE

No

Yes

 

 

 

 

 

 

 

 

14

Page 13 Page 15
Image 14
Page 13 Page 15
Contents Models 1.5 2.0 2.5 3.0 Contents Niosh stated First Aid Please read before proceedingHandling ceramic fiber materials When servicing boiler Maintenance What is in this manual?Service TroubleshootingService Boiler pipingHome Screen Smart Control Module Control inputsControl outputs StripHow the boiler operates Access modesGeneral Operation How the control modules operateTo adjust and save parameters reference FIG Sequence of operation Parameter table Sub Parameter Name See Min Max Default User InstallerValue Access MenuDelay Ramp BMS Setup Setback HWG Night Pumps Set Points Initial SetupViewable and changeable control parameters Outdoor Reset Ramp Delay Advanced Setup SH/HWG Night Setback Cascade Offset ModBusCascade Minimum On/Off TimePumps Service Notification Running Hours Service NotificationService Notification in Months Service Notification CyclesService Cascade Screen 8Cascade ScreenGraph Screen 9Graph ScreenParameter SelectionService History Screen 11History ScreenLockout Faults13History ScreenRuntime History Service Screen 14Service ScreenOwner maintenance Maintenance Maintenance and annual startupService technician See the Crest User’s Information Manual for InstructionsMaintenance Check expansion tank Flue vent system and air pipingCheck water system Check boiler relief valveCheck control settings Check ignition ground wiringCheck all boiler wiring Check flame signalCleaning boiler heat exchanger Review with ownerCheck the following TroubleshootingBefore troubleshooting Check control module fusesTroubleshooting Checking temperature sensors No Pump Low Water Cutoff OpenIgnition Anti-cyclingFlame Failure Running Flame Out SequenceFlame Out Gas Valve / Relay Failure Unit was running and lost the flameHigh Limit Auto ResetManual Reset High Limit OpenFault Description Corrective Action Delta T High Louver Proving Sw OpenFlue Temp High Outlet TempRem Ctrl Flt Service BlkOutlet Temp High Parameters SavedSensor Shorted Switch OpenSensor Open Flue SensorDifferential TemperatureBurner Supply Too Many Resets Try LaterInternal Fault Writing toWrite EEProm Watch Dog ErrorNo Error Stored CRC ParametersOr Obstruction Combustion Analysis ProcedureGas Valve Adjustment Gas Supply PressureGas valve adjustment procedure 2Gas Valve Adjustment Models 1.5Page
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3, 2, 3.5, 2.5, 1.5 specifications

Lochinvar is a leader in manufacturing high-efficiency water heating solutions, and their Lochinvar 1.5, 1.3, and 1.0 models exemplify the company's commitment to innovation and performance. These advanced heating systems are designed to meet the diverse needs of commercial and residential applications, providing reliable hot water while ensuring energy efficiency and environmental sustainability.

The Lochinvar 1.5, 1.3, and 1.0 models incorporate cutting-edge technologies that set them apart from traditional water heaters. One of the most notable features is their use of high-efficiency condensing technology, which extracts maximum heat from the combustion process. This process allows the units to achieve high thermal efficiencies, often exceeding 95%, which not only reduces energy costs but also lowers greenhouse gas emissions.

In terms of design, Lochinvar's models are constructed with durable materials, ensuring longevity and reliability in demanding environments. The stainless steel heat exchanger is a key element that contributes to the durability and performance of the units. This material is resistant to corrosion and scale build-up, enhancing the lifespan of the heater and reducing maintenance requirements.

The Lochinvar 1.5, 1.3, and 1.0 models feature advanced control systems that provide precise temperature management and easy operation. The intuitive digital display allows users to monitor performance metrics, temperature settings, and energy consumption with ease. Additionally, these units are equipped with intelligent modulating gas valves that optimize fuel usage based on demand, ensuring efficient operation across various load conditions.

Safety is a priority in the design of Lochinvar's water heaters. The models come with built-in safety features, including flame failure detection, overheat protection, and venting safeguards. These systems work together to ensure the safe operation of the units, giving users peace of mind.

Another characteristic that makes the Lochinvar 1.5, 1.3, and 1.0 models popular among users is their compact design. These units are engineered to fit in tight spaces, making them ideal for installations where space is at a premium. Despite their small footprint, they deliver powerful performance, ensuring that users have access to the hot water they need.

In summary, Lochinvar's 1.5, 1.3, and 1.0 water heating models represent the pinnacle of efficiency, safety, and reliability. With their advanced technologies, durable construction, and user-friendly features, these units are an excellent choice for anyone seeking a high-performance water heating solution.
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