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General| Brand | RBI |
|---|---|
| Model | LCD Series |
| Category | Water Heater |
| Language | English |
Uses an approved metal chimney or lined masonry chimney. Combustion air from space or outdoors.
Stainless steel vent system certified to UL 1738. For installations in US/Canada.
Wall-mounted power venter used to pull flue products horizontally.
Uses the factory supplied outdoor vent hood and air intake hood.
All heating system piping must be installed by a qualified technician.
The supply and return piping should be sized to suit the system.
Low mass boiler requires a continuous minimum water flow for proper operation.
Ensure that the water heater is equipped with bronze headers and uses potable water components.
Discusses water hardness and its impact on heat exchangers and pump selection.
Table 10 provides gas pipe capacity based on size, length, and gas type.
Table 11 details equivalent pipe lengths for fittings and valves.
Details wiring requirements according to electrical codes for safe installation.
Instructions for filling and purging the heating system with water.
Explains on/off and two-stage firing modes controlled by aquastats.
Details differential pressure switch settings for safety and operation.
Describes the sequence of events when power is applied and heat is demanded.
Explains the blower operation and pressure sensing during the prepurge cycle.
Details the pilot ignition sequence, including safety checks and lockouts.
Describes the activation of the main burner after pilot ignition is proven.
Explains single-stage operation with blowers and gas valves at one input.
Outlines the initial sequence when power is applied and heat is requested.
Describes the prepurge phase, including blower speed and pressure switch activation.
Details the pilot ignition process, including safety module functions and trials.
Explains the main burner activation after successful pilot ignition for two-stage units.
Describes how staging is controlled by a return water aquastat for two-stage units.
Emphasizes reading instructions, smelling for gas, and avoiding water damage.
Provides critical steps to take if a gas leak is suspected.
Covers safety stops, power off, gas shutoff, and waiting period before operation.
Details connecting manometers and checking pilot/manifold pressures.
Specifies required gas supply pressures for natural gas and propane.
Describes testing the safety shutoff device by momentarily interrupting the flame.
Details testing the control circuit shutdown by turning down the thermostat.
Steps to observe the pilot flame without main burner operation.
Instructions for adjusting pilot pressure using a manometer and hex wrench.
Steps to adjust manifold pressure to match table values using a manometer.
Guidelines for thermostat installation and anticipator adjustment for accurate room temperature.
Recommends setting the operating control for potable hot water to 130°F.
Explains the function and setting of the high limit aquastat to control maximum water temperature.
Describes the function of the flow switch to prevent firing without adequate water flow.
Advises on installing and wiring low water cutoff devices if required.
Explains the role of the flame sense module in controlling pilot and main burner ignition.
Details the relay board's function in sequencing gas valves and blowers, including time delays.
Step-by-step guide for inspecting, removing, and reinstalling burners.
Instructions for inspecting the heat exchanger for damage, sooting, or corrosion.
Steps for removing, cleaning, and inspecting the heat exchanger.
Checking operation of thermostat and operating controls.
Procedures for flushing and cleaning low water cutoff devices.
Verifying flow switch contacts are open when no water flow is present.
Checking the relief valve for weeping or discharge at normal pressure.
Verifying the aquastat high limit controls maximum water temperature.
Visually checking pilot and main burner flames for proper operation.
Addresses issues related to no power reaching the control circuit.
Troubleshooting steps when the unit does not respond to a call for heat.
Diagnosing and resolving issues related to no power reaching the pump.
Troubleshooting steps for no power to the optional power venter.
Addresses situations where the power venter is on but the unit shows no action.
Resolving issues where the blower(s) receive no power.
Troubleshooting ignition issues when the unit does not spark.
Diagnosing why the unit sparks but fails to ignite the flame.
Troubleshooting when the pilot lights but the main burners do not ignite.
Addresses causes and solutions for inadequate heating output.
Diagnosing and resolving consistent shutdowns due to high limit activation.
Troubleshooting issues related to poor combustion, high CO, and yellow flames.
Investigating why gas flow stops while blowers continue running.
A checklist of essential items to verify before starting the unit.
Section for recording electrical and control system parameters.
Configuration settings for the Boiler Temperature Control (BTC) system.
Records factory fire test results for manifold and air differential pressures.
Fields for recording test results during installation stages (CO2, Stack Temp, etc.).
Verification of safety control functions like low water cutoff, flow switch, and high limit.
Checklist for final unit commissioning, including customer instruction and leak checks.
Requirements for carbon monoxide detectors and signage for horizontally vented equipment.
Requirements for installation by licensed plumbers/fitters and venting system documentation.
Details the warranty for boilers and water heaters for industrial/commercial use.
Lists conditions under which the limited warranty does not apply.
Outlines conditions for warranty claims, including shipment of defective parts.
