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L7224U OIL ELECTRONIC AQUASTAT

®

 CONTROLLER

69-1720—03

14

Section 4. First Aid Measures

Eye Contact: Flush eyes with water for 15 minutes. 
Remove any contact lenses and continue to flush. 
Obtain medical attention if irritation develops and 
persists.

Skin Contact: Remove excess with cloth or paper. 
Wash thoroughly with mild soap and water. Obtain 
medical attention if irritation develops and persists.

Ingestion: Contact physician or local poison control 
center 

immediately

.

Inhalation: Remove patient to fresh air and obtain 
medical attention if symptoms develop.

Section 5. Fire Fighting Measures

Material Flash Point: > 383° F (195° C). Will burn if 
exposed to flame.

Extinguishing Media: Carbon dioxide, dry chemical or 
foam.

Special Fire Fighting Procedures: None.

Explosion Hazards: None. Aluminum powder can react 
with water to release flammable hydrogen gas. In the 
form of this product, this reaction is not expected.

Section 6. Accidental Release Measures

Scrape up and dispose of as solid waste in accordance 
with state and federal regulations.

Section 7. Handling and Storage

Store in dry place. Keep container closed when not in 
use.

Section 8. Exposure Controls and 

Personal Protection

Ventilation: No special ventilation is required when 
working with this product.

Respiratory Protection: None required.

Eye Protection: Not normally required. However, use 
chemical safety goggles or faceshield if potential for 
eye contact exists, especially if material is heated.

Hand/Clothing Protection: Not normally required. 
Protective gloves and clothing are recommended, as 
material is difficult to remove from skin and clothing.

Other Protective Equipment: None required.

Section 9. Physical and Chemical 

Properties

Appearance/Odor: Aluminum color, semi-solid 
material, pleasant odor.

Solubility in Water: Negligible.

Specific Gravity: 0.86.

Section 10. Stability and Reactivity

Stability: Stable.

Reactivity: Hazardous polymerization will not occur.

Incompatibilities: Strong oxidizing agents and 
halogens.

Hazardous Decomposition Products: Carbon dioxide, 
carbon monoxide.

Section 11. Toxicology Information

No data available.

Section 12. Ecological Information

Chemical Fate Information: Hydrocarbon components 
will biodegrade in soil; relatively persistent in water.

Section 13. Disposal Consideration

Dispose of as solid waste in accordance with local, 
state and federal regulations.

Section 14. Transportation Information

DOT Classification: Not classified as hazardous.

Section 15. Regulatory Information

SARA Title III Supplier Notification: Include in Section 
311/312 inventory reports if amounts exceed 10,000 
pounds. Aluminum compounds are subject to the 
reporting requirements under Section 313 of 
Emergency Planning and Community Right-To-Know 
Act of 1986 (40 CFR 372). Ingredients listed in TSCA 
Inventory.

Section 16. Other Information

This information is furnished without warranty, 
expressed or implied, except that it is accurate to the 
best of our knowledge.

Содержание Aquastat L7224U

Страница 1: ...Relay 7 4 A at 120 Vac FLA 44 4 A inrush LRA Zone Controller ZC 7 4 A at 120 Vac FLA 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 noncondensing Approvals Underwriters Laboratories Inc Component Recognized Canadian Underwriters Laboratories Inc Component Recognized Accessories Ordered ...

Страница 2: ... position or flush mounted remote from the well IMPORTANT Immersion well must fit sensing element and sensor must rest against bottom of well 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 mounted horizontally so boiler water of averag...

Страница 3: ...f bag and work the open end of the bag all the way into the well Slowly pull out the bag while squeezing it firmly to distribute compound evenly in the well Bend the wiring if necessary to hold the sensor against the bottom of the well and to hold outer end of the sensor in firm contact with the side of the well See Fig 3 Wipe excess compound from the outer end of the well Fig 3 Position of sensor...

Страница 4: ... connections to prevent electrical shock or equipment damage All wiring must comply with local electrical codes and ordinances Do not exceed the specifications in the Application section when wiring this controller IMPORTANT The terminals on these Aquastat Controllers are approved for use with copper wire only Follow the appropriate wiring diagrams shown on the inside of the front cover of the L72...

Страница 5: ...econds Press the I button until the feature requiring adjustment is displayed HL_ High Limit Hdf High Limit Differential LL_ Low Limit Ldf Low Limit Differential duu ZR input configured as external Domestic Hot Water DHW request ON OFF ASC Anti Short Cycle Timeout seconds OFF is disabled otL Outdoor Temperature Low minimum parameter for the outdoor reset curve F or C otH Outdoor Temperature High m...

Страница 6: ...t setpoint with the adjustable Differential at the minimum setting of 10 F 6 C the burner circuit makes and the circulator circuit breaks Refer to Fig 7 Fig 8 Setpoints and differentials Boiler Temperature Description Display Shows High Limit Differential Low Limit L7224 only Low Limit Differential L7224 only Local Thermostat Status EnviraCOM Thermostat Status Boost Step Warm Weather Shutdown Temp...

Страница 7: ...mand ZR Domestic Hot Water DHW Request The ZR terminal on the L7224U can be selected to service an indirect water heater heat request This parameter is set via the 3 digit display see Adjusting Settings section of this document A heat request via the ZC terminal will have priority over all other features such as the Anti Short Cycle feature or those enabled by the Outdoor Reset Module See form69 2...

Страница 8: ...with outdoor reset parameters enabled as programmed Error cleared automatically Error condition 11 System continues to run with boiler temp set to High Limit Table 4 L7224 Controller Operating Sequence with multiple zones connected through the ZR terminal Action System Response Zone Request ZR terminal is connected to L1 Zone calls for heat Boiler temperature is checked Burner starts when water te...

Страница 9: ...leared WARNING Electrical Shock Hazard Can cause severe injury or death All circuits must have a common disconnect to prevent the possibility of electrical shock Aquastat Error Code Cause Action EnviraCOM Alarm Err1 Aquastat sensor fault check water sensor 18 Err2 ECOM fault check EnviraCOM wiring 18 Err3 Excessive electrical noise or frequency out of range Hardware fault replace controller 18 58 ...

Страница 10: ...y is ON TT LED is ON B1 LED is ON 120 Vac at B1 B2 If no replace controller If yes check burner and wiring Display is ON TT LED is ON Refer to Err on display Boiler is hot house is cold Display is ON TT LED is ON C1 LED is ON 120 Vac at C1 C2 120 Vac at C1 C2 check wiring to pump Wiring ok is pump running If not replace the pump If pump is running check for trapped air or closed zone valves Displa...

Страница 11: ...ING SCREW PROVIDED 2 3 L1 HOT L2 1 2 1 4 5 6 ZONE 2 LOW VOLTAGE THERMOSTAT R845A RELAY ZONE 2 ZONE 2 CIRCULATOR TO ADDITIONAL R845A RELAYS FOR OTHER ZONES C1 B1 ZC L2 LINE C2 ZR L1 B2 T T 3 2 1 SENSOR LINE VOLTAGE CIRCULATOR LINE VOLTAGE OIL BURNER RELAY 2 LOW VOLTAGE THERMOSTAT L7248L ENVIRACOM TERMINALS OPTIONAL OUTDOOR RESET MODULE AND OUTDOOR SENSOR SHOWN 3 4 1 2 3 OT OT C7089U OUTDOOR SENSOR ...

Страница 12: ... 2 2 2 1 1 1 SENSOR LINE VOLTAGE CIRCULATOR L7224 3 4 3 3 5 BURNER MOTOR IGNITOR VALVE BURNER MOTOR IGNITOR VALVE CAD CELL JUNCTION BOX TO REMOTE ALARM CIRCUIT ENVIRACOM TERMINAL TH9421C R7184 LIMIT L1 L2 2 CAD CELL T T3 2 1 L1 HOT L2 1 LEGEND SCREW TERMINAL 1 4 IN 6 MM QUICK CONNECT TERMINAL SOLDERLESS WIRE CONNECTION VALVE IS OPTIONAL ON SPECIFIED MODELS ENVIRACOM TERMINAL 3 IS ALSO THE FIRST TH...

Страница 13: ... lubricant compounds Section 3 Hazard Identification Acute Health Effects Skin Excessive contact may cause skin irritation and dermatitis Eye Direct contact with eye will cause irritation Inhalation No adverse effects are expected Ingestion Ingestion of product may cause nausea vomiting and diarrhea Chronic Health Effects Existing skin rash or dermatitis may be aggravated by repeated contact OSHA ...

Страница 14: ...gles or faceshield if potential for eye contact exists especially if material is heated Hand Clothing Protection Not normally required Protective gloves and clothing are recommended as material is difficult to remove from skin and clothing Other Protective Equipment None required Section 9 Physical and Chemical Properties Appearance Odor Aluminum color semi solid material pleasant odor Solubility ...

Страница 15: ...L7224U OIL ELECTRONIC AQUASTAT CONTROLLER 15 69 1720 03 ...

Страница 16: ...olutions Honeywell International Inc Honeywell Limited Honeywell Limitée 1985 Douglas Drive North 35 Dynamic Drive Golden Valley MN 55422 Toronto Ontario M1V 4Z9 customer honeywell com U S Registered Trademark 2009 Honeywell International Inc 69 1720 03 M S Rev 08 09 ...

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