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Anleitung Kenmore, modell 5EW2.00

Hersteller: Kenmore
Dateigröße: 1.27 mb
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Anleitung Zusammenfassung


At this point the RB contacts break stopping the burner and the RW contacts make. With no call for space heating, operating in this way keeps the circulator off and allows the boiler to give preference to the domestic water heating requirements. Example: Consider the boiler water temperature drops to 15OAF with the low limit set at 16OAF and the differential is set at 15°F. The burner will begin to fire. When the aquastat probe senses a boiler water temperature of l 65aF (15°F -lOaF = 5°F, then 160°F +5°F = 165°F) the RB contacts break and the RW contacts make. When the boiler water temperature rises above the low limit / adjustable differential setting and the thermostat controls call for domestic space heating. The sequence of operation for the burner and circulator is as follows: 1. Thermostat calls for heat, completing circuit between terminals T & T on the aquastat controller, energizing the 1K relay coil. 2. With the IK relay coil energized, contacts IK1 and 1K2 are closed. Terminal B1 is energized, providing power to the oil burner primary control. This, in turn, powers the ignition coil and burner motor. 3. With the primary control energized, the burner operation starts and remains running as long as the cad cell senses flame. In the event of flame failure or the flame is not fully proven within the trial for ignition period, the primary control will lockout and open the burner circuit. This will require a manual startup of the burner. 4. As long as flame is proven through the cad cell relay, the burner will remain on until the circuit is interrupted by the boiler water temperature reaching the aquastat's high limit setting (opening high limit contacts RB), or the thermostat is satisfied breaking the T-T circuit. 5. Circulator pump is powered through terminal C1 and will mn when boiler water temperature is above the low limit setting and there is a call for heat from the thermostat. If the boiler water temperature reaches the aquastat's high limit setting and high limit contact RB is de-energized, the burner stops but the circulator pump will continue to run, as long as, the thermostat calls for heat. 6. Whenever the boiler water temperature reaches the aquastat's high limit setting, the high limit contact RB is de-energized shutting the burner off. Then the boiler water temperature must fall 10°F below the aquastat's high limit setting for the high limit contacts RB to close and the burner to be energized. 7 When the thermostat is satisfied, the call for domestic space heating is ended. Relay coil IK is de-energized, opening I K I and [K2 contacts• Both the burner and circulator pump operation stop. NOTE: High limit setting must be a minimum of 20aF higher than the low limit setting. 2 SEQUENCE OF OPERATION BOILER LESS TANKLESS COIL: Aquastat high limit controller: The aquastat control's high limit contacts open and turn offthe burner when the boiler water temperature reaches the control's high limit set point. The high limit contacts automatically reset after the boiler water temperature drops past the set point by 10°F, which is a fixed differential. INTERNAL WIRING FOR HONEYWELL AOUASTAT L8148A IKI JUMPE_ IK2 --UNE ".OI.T_E --CLa_ I, ) When the thermostat controls call for domestic space heating. The sequence of operation for the burner and circulator is as follows: 1. Thermostat calls for heat, completing circuit between terminals T & T on the aquastat controller, energizing the 1K relay coil. 2. With the 1K relay coil energized, contacts 1K1 and 1K2 are closed. Terminals C1 and C2 are energized providing power to the circulator. Terminal B1 is energized, providing power to the oil burner primary control. This, in turn, powers the ignition coil and burner motor. 3. With the primary control energized, the burner operation starts and remains running as long as the cad cell senses flame. In the event of flame failure or the flame is not fully proven within the trial for ignition period, the primary control will lockout and open the burner circuit. This will require a manual startup of the burner. 4. As long as flame is proven through the cad cell relay, the burner will remain on until the circuit is interrupted by the boiler water temperature reaching the aquastat's high limit setting (opening high limit contacts BR), or the thermostat is satisfied breaking the T-T circuit. 5. If the boiler water temperature reaches the aquastat's high limit setting, the high limit contact BR is de- energized turning the burner off. However, the circulator pump will continue to run, as long as, the thermostat calls for heat. 6. After the high limit contact BR is de-energized, the boiler water temperature must fall 10°F below the aquastat's high limit setting for the high limit contacts BR to close and energize the burner. 7. When the thermostat is satisfied, the call for domestic space heating is ended. Relay coil 1K is de-energized, opening 1KI and 1K2 contacts. Both the burner and circulator pump operation stop....

Dieses Handbuch ist für folgende Modelle:
Warmwasserbereiter - 3E W.65 (1.27 mb)
Warmwasserbereiter - 4EW.90 (1.27 mb)
Warmwasserbereiter - 3EW.75 (1.27 mb)
Warmwasserbereiter - 3EWI' (1.27 mb)

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