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Honeywell L7224A,C, L7248A,C,L L7224A,C; L7248A,C,L OIL ELECTRONIC AQUASTAT CONTROLLERS

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L7224A,C; L7248A,C,L OIL ELECTRONIC AQUASTAT® CONTROLLERS

68-0281EFS—05 8

Fig. 8. L7224A,C; L7248L single heat zone with indirect water tank and circulators. Optional Outdoor Reset Module.

LINE

T

T3

2

1

M32023

(HOT)

SENSOR

LINE

VOLTAGE

CIRCULATOR

LINE

VOLTAGE

OIL BURNER

RELAY

OUTDOOR RESET MODULE IS OPTIONAL.

FOR BEST PERFORMANCE SET DUU=”ON”.

1 2 3 OT OT

C7089U

OUTDOOR

SENSOR

50022037-002

OUTDOOR

RESET MODULE

INDIRECT

TANK

CIRCULATOR

LINE VOLTAGE INDIRECT

TANK AQUASTAT

(HOT)

Contents

Main INSTALLATION INSTRUCTIONS 68-0281EFS-05 L7224A,C; L7248A,C,L Oil Electronic Aquastat Controllers APPLICATION SPECIFICATIONS 2012 DOE Compliance and Operation INSTALLATION WARNING When Installing this Product... Mounting New Installation Flush-Mounted Aquastat Replacement Well-Mounted Aquastat Replacement Replacement Sensor Installation WARNING Fuse WIRING OPERATION General Adjusting Settings Display Operation High Limit Controller Low Limit and Circulator Controller Anti Short-Cycle Feature ZR-Domestic Hot Water (DHW) Request CHECKOUT TROUBLESHOOTING L7224A,C; L7248A,C,L OIL ELECTRONIC AQUASTAT CONTROLLERS T T3 2 1 1 2 3 OT OT Page Page Page T T 3 2 1 L7224 TH9421C R7184 1 2 3 OT OT Fig. 11. L7248L multizone system with circulator connections. T T 3 2 1 1 2 3 TS TS ELL=OFF 1 2 3 OT OT L7224 R7184 1 2 3 TS TS 1 2 3 OT OT Fig. 13. L7248L External Low Limit connections. T T3 2 1 ELL=ON Automation and Control Solutions NOTICE D'INSTALLATION Rgulateurs mazout Aquastat L7224A,C; L7248A,C,L APPLICATION CARACTRISTIQUES TECHNIQUES Fonctionnement et conformit la rglementation 2012 du Ministre de l'nergie amricain (DOE) INSTALLATION AVERTISSEMENT Montage Nouvelle installation Remplacement de l'Aquastat, montage encastr Remplacement de l'Aquastat, montage sur puits Installation du capteur de rechange Fusible AVERTISSEMENT CBLAGE FONCTIONNEMENT Gnral Rglages Afficheur Page Fonction Anti-court cycle ZR - Demande d'eau chaude domestique Protection contre le gel Fonctionnement de la purge thermique Rglages de la purge thermique VRIFICATION DPANNAGE Page Page Page Page Fig. 9. L7224A,C systme multizones avec connexions du circulateur. T T 3 2 1 L7224 TH9421C R7184 1 2 3 OT OT Fig. 11. L7228l systme multizones avec connexions du circulateur. 2 1 1 2 3 TS TS ELL=OFF (ARRT) 1 2 3 OT OT L7224 R7184 1 2 3 TS TS 1 2 3 OT OT Solutions de rgulation et dautomatisation Fig. 13. L7248L Connexions limite basse externe. T T3 2 1 ELL=ON (MARCHE) INSTRUCCIONES DE INSTALACIN Controladores electrnicos para aceite L7224A,C; L7248A,C,L Aquastat APLICACIN ESPECIFICACIONES Cumplimiento y funcionamiento de acuerdo con el DOE 2012 INSTALACIN ADVERTENCIA Montaje Instalacin nueva Reemplazo del Aquastat montado a ras Reemplazo del Aquastat montado en cilindro Instalacin del sensor de reemplazo Fusible ADVERTENCIA CABLEADO FUNCIONAMIENTO General Ajuste de las configuraciones Pantalla Page Funcionamiento Controlador de lmite mximo Controlador de lmite mnimo y circulador Funcin de ciclo anticorto ZR: peticin de agua caliente domstica (DHW) VERIFICACIN LOCALIZACIN Y SOLUCIN DE PROBLEMAS Page Page Page Page CONTROLADORES ELECTRNICOS PARA ACEITE L7224A,C; L7248A,C,L AQUASTAT Fig. 9. Sistema de zonas mltiples del L7224A,C con conexiones para circuladores. T T3 2 1 T T 3 L7224 TH9421C R7184 1 2 3 OT OT Fig. 11. Sistema de zonas mltiples del L7248L con conexiones para circuladores. T T 3 2 1 1 2 3 TS TS ELL=OFF (APAGADO) 1 2 3 OT OT L7224 R7184 1 2 3 TS TS 1 2 3 OT OT Automatizacin y control desenlace Fig. 13. Conexiones para el lmite mnimo exterior del L7248L. T T3 2 1 ELL=ON (ENCENDIDO)