Lochinvar 1.5, 1.3 service manual Fault Cause Corrective Action

Page 41

 

 

 

 

 

 

Service Manual

 

 

 

 

 

 

 

 

 

 

 

 

3 Troubleshooting (continued)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Table 3D Troubleshooting Chart - Noisy System

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FAULT

CAUSE

 

CORRECTIVE ACTION

 

 

 

 

 

 

 

 

 

- Supply gas problem. Natural gas pressures

• Refer to Section 7 - Gas Connections of the Armor X2

 

 

should be between 4 inches w.c. (1.0 kPa)

Installation and Operation Manual for detailed

 

 

and 14 inches w.c. (3.5 kPa). LP gas

information concerning the gas supply.

 

 

 

 

pressures should be between 8 inches w.c.

 

 

 

 

 

 

 

 

 

(2.0 kPa) and 14 inches w.c. (3.2 kPa).

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

• Refer to the Gas Valve Adjustment Procedure

on

 

 

 

 

page 50 of this manual for the proper gas valve setting.

 

 

- Gas/air mixture problem.

Verify that the vent/air intake lengths do not exceed the

 

 

 

 

maximum listed in the General Venting section of the

 

 

 

 

Armor X2 Installation and Operation Manual.

 

 

 

Noisy

 

 

 

 

 

 

• Refer to page 35 in this manual for the burner removal

 

Operation

- Dirty/damaged burner.

and inspection procedure. Clean or replace the burner

 

 

 

 

as necessary.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

• Refer

to Section 6

-

System Piping

of

the

 

 

 

 

Armor X2 Installation and Operation Manual for

 

 

- Low water flow through the heat exchanger.

minimum flow rates. Verify that the water heater is piped

 

 

 

 

in a primary/secondary fashion and that the water heater

 

 

 

 

and system pump are running on a call for heat.

 

 

 

 

 

 

 

 

 

 

- Air in the piping system.

• Properly purge all air from the piping system.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

- Low system water pressure.

• Verify

system pressure

is

a minimum of

12

psi

 

 

(82.7 kPa).

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

No Pump

- Blown fuse.

• Replace fuse F5 on the control board, see page 38 of

 

Operation -

 

 

this manual.

 

 

 

 

 

HW Pump

 

 

 

 

 

 

 

 

 

 

- Faulty pump.

• Replace pump.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

- Internal fault on control board.

• Replace main control board.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

- Faulty pump relay.

• Replace relay.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

• Lower

the system pressure below the

150

psi

 

 

- System pressure exceeds relief valve

(1034.2 kPa) rating of the supplied relief valve.

 

 

 

 

setting.

• Improperly sized expansion tank.

 

 

 

Relief Valve

 

 

 

 

 

Opening

 

 

 

 

 

 

 

 

 

-Outlet temperature exceeds relief valve • Check temperature settings of the main control board. settings.

41

Page 40 Page 42
Image 41
Page 40 Page 42
Contents Models 1.0, 1.3, Contents Niosh stated First Aid Handling ceramic fiber materialsTroubleshooting ServiceMaintenance Armor X2 display Primary Smart Control Module Control inputsControl outputs Secondary Smart Touch Control Module PrimarySequence of operation General OperationHow the water heater operates Sequence of operation Sequence of operationParameter table This table lists the parameters and where to access themBMS Status Screen Viewable and changeable control parametersService Details Screen Service Main Screen Setup Screen Service/Setup Parameters Screen Service Set Point Parameters Screen Night Setback Parameters Screen Cascade Operation Cascade Parameters Screen10Vdc Operation 10Vdc BMS Parameters ScreenService Cascade Screen Service Temps Screen Burners Screen Graph Select Screen History Screen Service Mode Screen Maintenance Maintenance and annual startup Clean condensate trap Address reported problemsInspect water heater area Inspect water heater interiorCheck expansion tank Check water heater relief valve Flue vent system and air pipingCheck water system Check all water heater wiring Check ignition ground wiringCheck control settings Check flame signalOiled bearing circulators Cleaning water heater heat exchangerCheck Delta T Alarm Screen TroubleshootingCheck control module fuses Before troubleshootingCheck the following Troubleshooting Temperature Resistance Checking temperature sensorsFault Cause Corrective Action Condensate Flow SwitchDrain Blocked Flame outWhile Running Light cont’dFlame Lost High Limit Manual ResetCont’d High Limit / HEX Automatic ResetTemp SW Blower RPM’sToo High Louver Proving SwitchSensor Open Sensor ShortedAir Flow Too Resets Try LaterLow Flap ValveNo Error Stored Internal FaultWriting to MemosGas Valve Adjustment Combustion Analysis ProcedureOr Obstruction Gas Supply PressureModels 1.3 Gas valve adjustment procedureModel
Related manuals
Manual 16 pages 3.68 Kb Manual 12 pages 30.87 Kb Manual 56 pages 20.39 Kb Manual 20 pages 6.19 Kb Manual 16 pages 33.86 Kb Manual 56 pages 40.75 Kb Manual 80 pages 59.46 Kb Manual 56 pages 36.01 Kb

1.5, 1.3, 1 specifications

Lochinvar 1 is a remarkable achievement in the realm of modern technology and engineering. As a powerful and efficient water heater, it has been designed to cater to a wide range of residential and commercial needs. One of the standout features of Lochinvar 1 is its advanced heating technology, which incorporates a high-efficiency condensing design. This technology allows the unit to achieve impressive energy savings by maximizing heat transfer while minimizing energy consumption.

The Lochinvar 1 utilizes a stainless steel heat exchanger that enhances durability and corrosion resistance. This not only extends the lifespan of the unit but also ensures consistent performance over time. Coupled with a user-friendly control system, users can easily adjust settings and monitor performance, enhancing overall convenience and usability.

Another key characteristic of the Lochinvar 1 is its compact design, making it suitable for a variety of installation environments. Whether in a residential basement or a commercial utility room, the unit’s space-saving configuration allows for efficient use of available area without compromising on capability.

Safety features are integral to the Lochinvar 1, providing peace of mind for users. The unit is equipped with advanced monitoring systems that can detect irregularities and automatically shut down the system if necessary. This not only protects the equipment but also enhances the safety of the environment in which it operates.

In terms of performance, Lochinvar 1 boasts a high recovery rate, ensuring hot water is available on demand. This is particularly beneficial for settings with high water usage, allowing simultaneous operations without lag.

Moreover, the unit supports various venting options, offering flexibility during installation. Whether using traditional vertical venting or innovations like direct venting, Lochinvar 1 accommodates different building designs and local codes, making it highly versatile.

In conclusion, Lochinvar 1 epitomizes the melding of efficiency, reliability, and user-friendly technology. With its high-performance features, robust safety systems, and adaptable installation options, it stands out as a forefront player in the water heating industry, meeting the diverse needs of today's consumers and businesses alike.
Top Page Image Contents