Burnham RSA manual Electrical, General

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V. Electrical

DANGER

Positively assure all electrical connections are unpowered before attempting installation or service of electrical components or connections of the boiler or building. Lock out all electrical boxes with padlock once power is turned off.

WARNING

Failure to properly wire electrical connections to the boiler may result in serious physical harm.

Electrical power may be from more than one source. Make sure all power is off before attempting any electrical work.

Each boiler must be protected with a properly sized fused disconnect.

Never jump out or make inoperative any safety or operating controls.

The wiring diagrams contained in this manual are for reference purposes only. Refer to the wiring diagram of any controls used with the boiler. Read, understand and follow all wiring instructions supplied with the controls.

A. General

1.Install wiring and electrically ground boiler in accordance with requirements of the authority having jurisdiction, or in absence of such requirements the National Electrical Code, ANSI/ NFPA 70, and/or the CSA C22.1 Electric Code.

2.A separate electrical circuit must be run from the main electrical service with an over-current device/disconnect in the circuit. A service switch is recommended and may be required by some local jurisdictions.

3.Wiring should conform to Figure 13 and/or 14.

B. System Controls and Wiring

1.Refer to National Electric Code or Local Electric Codes for proper size and type of wire required. Follow Code.

2.Use anti-short bushings on all wiring passing through boiler jacket, junction boxes and/or control boxes.

3.Use armored cable (BX) over all exposed line voltage wiring.

4.If an Alliance indirect water heater is used, use priority zoning. Do not use priority zoning for Hydro-Air Systems.

5.Single Zone System – Refer to Figure 13 or 14 of this manual for the electrical diagram for this type of system. Connect the system circulator wire leads to the proper locations on the Aquastat control, L7224C/L7248C.

Connect the thermostat to the ‘T-T’ terminals on the L7224C/L7248C control. Set thermostat heat anticipator settings to 0.60 amps.

6.Conventional Circulator Zoned System – Refer to Figure 15 for the electrical diagram for this type of system.

Read, understand and follow all of the instructions provided with the Honeywell R8888 control.

7.Conventional Zone Valve Zoned System – Refer to Figure 16. Wiring to the most popular models of zone valves are given in Figure 17.

Locate C1 and C2 inside the L7224C Honeywell control. Connect the two (2) terminals to the system circulator wire leads, supplied with boiler.

Connect the H1 and H2 terminals inside the R8889 to the ‘T-T’ terminals in the L7224C Honeywell Control. Refer to Figure 16.

Connect the thermostat of each zone and the circulator for that zone to R8889 panel. If an Alliance indirect water heater is used, connect the Alliance thermostat and circulator to the Zone 1 terminals of the R8889. Set thermostat anticipator settings to 0.12 amps.

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Contents RSA Series 8143508R21-1/10 Price $3.00Important Information Read Carefully Page Page Table of Contents RSA Packaged Boiler RSA170 / RSA285 Pre-Installation Do not drop boiler. Do not bump boiler jacket against floorPage Removal of Boiler II. Knock-Down Boiler AssemblyInstalling the Jacket Installation of Boiler Controls Burner MountingThis page is Left Intentionally Blank III. Water Piping and Trim Page Page Page Page Schematic Tankless Heater Piping Tankless Heater Ratings IV. Venting Recommended Smoke Pipe Arrangement and Chimney Requirements Electrical GeneralRsal Wiring Less Tankless, Single Circulator Circulator Zoned Wiring for Honeywell R8888 Zone Valve Zoned Wiring for R8889 Page Page Circulator Zoning with EC5000 Wiring Schematic SchematicWiring EC5000with ZonedValve Zone19 Single-Pipe Installation VI. Oil PipingSingle-Stage Units 3450 RPM Two Pipe Systems Two-Stage Units 3450 RPM Two Pipe SystemsVII. System Start-Up LED Error Codes Display ReadoutOperation High Limit ControllerLOW Limit and Circulator Controller Trouble Shooting GuideL7224 / L7248 Controller Operating Sequence Beckett AFG, AF, & SF Burners Becket AFG BurnerCarlin EZ-2HP Burner Beckett Burner Carlin EZ-1HP BurnerRemove GUN Assembly Verify OIL Burner Settings Before StartingAdjust OIL Pressure Other AdjustmentsHigh Altitude Installations Hints on CombustionTest Controls Verify High Limit OperationUse Part Number 6183505 for the following models VIII. Service and Cleaning Clean the FiretubesAvoid Breathing Fiber Particulates and Dust IX. Repair Parts Description Part Number Fogire 28 Assembled BoilerRSA85-135 Bare Boiler Repair Parts ‘A’ RSA170-285 Boiler Repair Parts Jacket Top Panel Assembly Beckett Burner Parts List for RSA Series Steel Boilers Ordering Information for Quality Replacement Parts AF60XO AF60XP SF60FY Beckett AF and SF Model Burners Lwco Location Wiring of Typical LwcoLow Water Cut Off Lwco Service Record Limited Warranty

RSA specifications

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