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Manual de usuario Burnham, modelo MEGASTEAM MST513

Fabricar: Burnham
Tamaño del archivo: 4.64 mb
Nombre del archivo:
Idioma del manual:en
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Resumen del manual


The burner will operate in the following sequence: Prepurge for the first 10 seconds; fire until the thermostat is satisfied or the limit setting on the high limit is reached; post-purge for the last 10 seconds. When the pressure limit control restores the circuit on a drop in pressure, the burner will start if the thermo stat is still calling for heat. The probe low water cut-off will shut down the burner after a 10-15 second delay, if the water level in the boiler drops below the probe level. The Hydrolevel CG450 low water cut-off will shut down the burner for 90 seconds every 10 minutes of firing time to allow water level to stabilize. If the water level is too low the burnerwill not be allowed to restart. The probe low water cut-off will reset and restart the burner with a call for heat a few seconds after the water is returned to its normal level. On burner start, if the cad cell does not see flame within approximately 15 seconds, primary control will shut burner down and enter into a recycle mode, after 60 seconds burner will restart and repeat trial for ignition. If after three (3) trials for ignition, flame is not detected, control will enter into restricted mode and must be reset manually before burner can be restarted. When there is no demand for heat, the operating control will maintain the boiler water temperature at the selected setting for proper operation of the domestic water heater, if equipped with optional tankless heater. BOILER SEQUENCE OF OPERATION WITH PROBE LWCO (See Figure 19) When the thermostat calls for heat, it energizes the R8285C Control center relay, which in turn energizes the cad cell primary control, bringing on the burner. The burner will operate in the following sequence: Prepurge for the first 10 seconds; fire until the thermostat is satisfied or the limit setting on the high limit is reached; post-purge for the last 10 seconds. When the pressure limit control restores the circuit on a drop in pressure, the burner will start if the thermostat is still calling for heat. The probe low water cut-off will shut down the burner after a 10-15 second delay, if the water level in the boiler drops below the probe level. The probe low water cut-off will reset and restart the burner with a call for heat a few seconds after the water is returned to its normal level. On burner start, if the cad cell does not see flame within approximately 15 seconds, primary control will shut burner down and enter into a recycle mode, after 60 seconds burner will restart and repeat trial ignition. If after three (3) trials for igni- McDonnell & Miller PS-801 Terminals May be Lettered or Numbered as Follows: Wire Color Numbered Terminals Lettered Terminals RD 5 B BK 1 H WH 2 N Jumper 1-3 tion, flame is not detected, control will enter into restricted mode and must be reset manually before burner can be restarted. When there is no demand for heat, the operating control will maintain the boiler water temperature at the selected setting for proper operation of the domestic water heater, if equipped with optional tankless heater. BOILER SEQUENCE OF OPERATION WITH FLOAT LWCO (See Figure 0) When the thermostat calls for heat, it energizes the R8285C Control center relay, which in turn energizes the cad cell primary control, bringing on the burner. The burner will operate in the following sequence: Prepurge for the first 10 seconds; fire until the thermostat is satisfied or the limit setting on the high limit is reached; post-purge for the last 10 seconds. When the pressure limit control restores the circuit on a drop in pressure, the burner will start if the thermostat is still calling for heat. The low water cut-off will shut down the burner if the water level in the boiler drops too low. The control resets and restarts the burner with a call for heat a few seconds after the water is returned to its normal level. On burner start, if the cad cell does not see flame within approximately 15 seconds, primary control will shut burner down and enter into a recycle mode, after 60 seconds burner will restart and repeat trial for ignition. If after three (3) trials for ignition, flame is not detected, control will enter into restricted mode and must be reset manually before burner can be restarted. When there is no demand for heat, the operating control will maintain the boiler water temperature at the selected setting for proper operation of the domestic water heater, if equipped with optional tankless heater. SECTION VII: OIL PIPING A. GENERAL 1. Use flexible oil line(s) so the burner swing door can be opened without disconnecting the oil supply piping. 2. A supply line fuel oil filter is recommended as a minimum for all firing rates but a pleated paper fuel oil filter is recommended for the firing rates below 1.0 gph to prevent nozzle fouling. 3. Use Flared fittings only. Cast iron fittings cannot be used. NOTICE Do not use compression fittings. Oil piping must be absolutely airtight or leaks or loss of prime ma...

Otros modelos de este manual:
Calentadores de Agua - MEGASTEAM MST396 (4.64 mb)
Calentadores de Agua - MEGASTEAM MST288 (4.64 mb)
Calentadores de Agua - MEGASTEAM MST629 (4.64 mb)

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