Honeywell L7224U1002 - Manual

Honeywell L7224U1002

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Table of Contents:

  • Page 2 – INSTALLATION; WARNING; Mounting
  • Page 3 – New Installation
  • Page 4 – Replacement Sensor Installation; Fuse; WIRING
  • Page 5 – Line Voltage Connections; OPERATION; General
  • Page 7 – High Limit Controller; Low Limit and Circulator Controller; Anti Short-Cycle Feature
  • Page 8 – Thermal Purge Settings; CHECKOUT
  • Page 15 – MATERIAL SAFETY DATA SHEET; Section 1. Product And Company Identification
  • Page 16 – Section 2. Composition, Information on Ingredients; Acute Health Effects:; Section 4. First Aid Measures; Section 5. Fire Fighting Measures
  • Page 17 – Section 16. Other Information
  • Page 18 – Home and Building Technologies
  • Page 19 – NOTICE D'INSTALLATION; dières électriques et à mazout; APPLICATION
  • Page 20 – AVERTISSEMENT
  • Page 21 – Montage; Nouvelle installation
  • Page 23 – Fusible; CÂBLAGE; FONCTIONNEMENT; Général; Réglages
  • Page 24 – Afficheur
  • Page 26 – Fonction Anti-court cycle; Protection contre le gel; Réglages de la purge thermique
  • Page 27 – Cycle de la pompe; VÉRIFICATION
  • Page 35 – FICHE SIGNALÉTIQUE; Section 1. Produit et entreprise
  • Page 36 – Section 3. Identification des dangers; Effets aigus sur la santé :; Section 4. Premiers soins
  • Page 37 – Section 10. Stabilité et réactivité
  • Page 39 – INSTRUCCIONES DE INSTALACIÓN; de aceite o eléctrica; APLICACIÓN; ESPECIFICACIONES
  • Page 40 – INSTALACIÓN
  • Page 41 – ADVERTENCIA; Montaje; Instalación nueva
  • Page 43 – CABLEADO; Conexiones de voltaje de línea; FUNCIONAMIENTO
  • Page 44 – Ajuste de las configuraciones
  • Page 45 – Pantalla
  • Page 46 – Funcionamiento
  • Page 47 – VERIFICACIÓN
  • Page 56 – HOJA DE DATOS DE SEGURIDAD DE MATERIALES (HDSM); Sección 2. Composición e información sobre los ingredientes; Efectos graves para la salud:
  • Page 57 – Sección 16. Otros datos
  • Page 60 – Automatización y control desenlace
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INSTALLATION INSTRUCTIONS

69-1720EFS-09

L7224U Oil and Electric Boiler
Electronic Aquastat

®

Controller

APPLICATION

The EnviraCOM™ enabled L7224U Electronic
Aquastat

®

Controller provides electronic temperature

sensing in a UL limit-rated controller with a single
sensing probe. The L7224U controls the circulator, oil
or electric burner or contactor, and boiler
temperature.

The L7224U is “Outdoor Temperature Reset” ready,
which is enabled when connected to the
W8735Y1000 wireless or W8735S1000 wired
Outdoor Reset Kits. This option is intended for all
applications except for tankless coil systems for
domestic hot water.

The L7224U replaces the L8124A, L8124C, L7124U,
L7148A, L7248A,C, L7224A,C, and L8148A
controllers and is intended for residential
applications.

The L7224U also complies with 2012 DOE
regulations to ensure efficiency is maximized without
interfering with domestic hot water demands.

IMPORTANT:

Use of Outdoor Temperature Reset on a tank-
less coil application requiring a Low Limit set-
ting may result in limited system
effectiveness and reduced efficiency.

The L7224U provides status and diagnostic
information through an LED display com-
bined with LED lights as well as EnviraCOM
communications enabled thermostats and
diagnostic tools to enhance the diagnostic
process.

SPECIFICATIONS

Electrical Ratings:

Voltage: 120 Vac, 60 Hz.
Power: 7 VA maximum at 120 Vac plus external loads.
Thermostat current: 100 mA nominal at 24 Vac.
Burner Relay:

7.4 A at 120 Vac Full Load Amperage (FL A);
44.4 A inrush Locked Rotor Amperage (LRA);
Less Ignition Load: 360 VA.

Circulator Relay:

7.4 A at 120 Vac FLA; 44.4 A inrush LRA.
Zone Controller (ZC): 7.4 A at 120 Vac FL A;
44.4 A inrush LRA.

NOTE:

All loads combined cannot exceed 2000 VA.

Environmental Ratings:

Temperature: -30 °F to +150 °F (-34 °C to +66 °C).
Humidity: 0 to 95% relative humidity, noncondens-

ing.

Approvals:

Underwriters Laboratories Inc. Component Recog-

nized.

Canadian Underwriters Laboratories Inc. Component

Recognized.

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Summary

Page 2 - INSTALLATION; WARNING; Mounting

L7224U OIL AND ELECTRIC BOILER ELECTRONIC AQUASTAT ® CONTROLLER 69-1720EFS—09 2 Accessories (Ordered Separately): W8735Y1000 Wireless Outdoor Reset KitW8735ER1000 Wireless Outdoor Reset ModuleC7089R1013 Wireless Outdoor Temperature Sensor (requires W8735ER1000) W8735S1000 AquaReset™ Outdoor Reset Ki...

Page 3 - New Installation

L7224U OIL AND ELECTRIC BOILER ELECTRONIC AQUASTAT ® CONTROLLER 3 69-1720EFS—09 New Installation Order well assemblies separately; refer to Table 1 and form no. 68-0040, Immersion Wells and Compression Fittings for Temperature Controllers. Boilers usually have tappings that allow the well to be moun...

Page 4 - Replacement Sensor Installation; Fuse; WIRING

L7224U OIL AND ELECTRIC BOILER ELECTRONIC AQUASTAT ® CONTROLLER 69-1720EFS—09 4 Fig. 4. Location of L7224U flush-mounting tabs and LEDs. Well-Mounted Aquastat Replacement Turn off all power and remove the old controller. Refer to the cover insert of the old controller to identify and tag each extern...

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