Burnham IN10 VIII. Electrical, Danger, B. Wire Vent Damper if used, Vent Damper Connection Detail

VIII. 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 fused disconnect.

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

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

B.Wire Vent Damper (if used).

1.Steam or Water with gravity circulation or tankless heater.

a.Remove one (1) 7/8" knockout from junction box. Carefully remove transformer - avoid undue strain on wires.

b.Install Vent Damper Harness into top of junction box.

c.Remove factory installed jumper plug (if so equipped) from Vent Damper Receptacle. Plug Vent Damper Harness into Vent Damper Receptacle. See Figure 31.

Figure 31: Vent Damper Connection Detail

d.Install cable clamp around flexible Vent Damper

Harness. Attach to jacket top panel. See Figure 32.

Figure 32: Vent Damper Harness to Junction Box

2.Water with intermittent circulation and without tankless heater.

a.Remove 7/8" knockout and cover from limit control.

b.Install Vent Damper Harness into top of limit.

c.Remove factory installed jumper plug from Vent Damper Receptacle. Plug Vent Damper Harness into Vent Damper Receptacle. See Figure 31.

d.Install cable clamp around flexible Vent Damper

Harness. Attach to jacket top panel. See Figure 33.

3.Note: After vent damper is installed and operated through one (1) cycle, the control circuit will operate only when vent damper is in control circuit.

C.Install thermostat. Locate on inside wall approximately 4 feet above floor. Do not install on outside wall, near fireplace, or where influenced by drafts or restricted air flow, hot or cold pipes, lighting fixtures, television, or sunlight. Allow free air movement by avoiding placement of furniture near thermostat.

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