AIR CONDITIONING AND HEATING SYSTEM
HOMEOWNER’S WARRANTY PROGRAM and USER GUIDE
DALLAS / FORT WORTH METROPOLITAN AREA
For first year warranty service call Tempo Mechanical @ 972.579.2000 or Metro 877-94-TEMPO
For service after expiration of first year warranty call Tempo Service @ 972.579.2000 or Metro 877-94-TEMPO
© July 2005/Tempo Mechanical/All Rights Reserved
Introduction / Purpose - Section
1
Performance Specifications - Section 2
- What I Can Expect from My New Heating and Air Conditioning System?
Energy Saving Tips - Section 3
Warranty Procedures - Section 4
Filters / Humidifiers - Section 5
- Standard Fiberglass Filter
- Pleated Media Filters
- Electronic Air Cleaners
- Electrostatic Air Filters
- Humidifiers
Condensate Problems - Section 6
Thermostats - Section 7
- Type, Methods of Operation and Programming
Air Conditioner / Heat Pump - Section 8
- Operation and Homeowner Maintenance
Operating Tips - Section 9
Gas Fired Furnace - Section 10
- Operation and Homeowner Maintenance
- Options for After the First Year Warranty has Expired
Preventive Maintenance
Service Agreements - Section 11
Equipment Model and Serial #s/Closing Date - Section 12
INTRODUCTION / PURPOSE SECTION #1
The purpose of this manual is to allow you to obtain the maximum
comfort and efficiency from your new air conditioning and heating
system. The short amount of time it will take you to read this material
can result in the more economical operation and maintenance of your
system. This is purposely a non-technical document. More detailed
operation and maintenance information is contained in the manufacturer’s
literature.
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PERFORMANCE SPECIFICATIONS SECTION #2
In accordance with the Residential Warranty Corporation™
Limited Warranty Program, and current NAHB (National Association
of Home Builders) guidelines, Tempo Mechanical Services, Inc. warrants
the performance of your HVAC (Heating, Ventilating and Air Conditioning)
system to maintain an average room temperature of within 4°F
of the specified cooling thermostat setting of 78°F; and 5°
or 6°F of the specified heating standard of 70°F*. This
temperature difference may be more pronounced in "open"
style 2-story houses due to the natural convection (rising) of warm
air. The standard for measuring the air temperature is to place
the thermometer at the center of the room 5’0" above
the floor level. The base heating design temperature
criteria is 70° F indoors @ 22° F outdoor air temperature.
In the cooling mode the design criteria is 75°F
indoors @ 100° F outdoor air temperature. These standards on
which your system is sized assume all windows are to be draped and
during times of extreme outside air temperatures, those approaching
the design conditions, the equipment will run continuously. This
is not harmful to your air conditioner.
Basic air balance is the responsibility of the homeowner. If after
seasonal balancing, if during the first year of occupancy, your
HVAC system fails to meet the above warranted criteria; Tempo Mechanical
will balance your airflow to meet these criteria without charge.
Seasonal balancing adjustments will need to be made by the homeowner.
An example of this would be the kitchen area or laundry room where
maximum air flow is required in the cooling season to offset the
heat generated by the appliances, and conversely, in the winter
heating season the air flow required is minimal for the same reason.
Doors must be left open to allow proper airflow. Today’s architectural
designs that feature open two-story ceilings adjacent to stairways
often have the same problem due to the natural convection (rising)
of the heated air. These air balance modifications should be made
seasonally by the homeowner and are accomplished simply by adjusting
the damper located behind the register in the affected area.
*Note: Consult your builder for certain exceptions
to this standard. There are specific communities built for the "first
time homebuyer" that have an HVAC design criteria of a 20
degree F. indoor/outdoor temperature difference on a 100 degree F. outside temperature
day. This alternate criteria exceeds the minimum standard set by
the Federal Housing Authority (FHA).
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ENERGY SAVING TIPS SECTION #3
With the rising cost of electricity and gas service, it is important
to know some simple techniques you can use to minimize these expenses.
Below are some practical tips to help you.
- Set your cooling temperature up to 78°F. Dehumidified air
at this temperature is very comfortable. This is particularly
effective if used in conjunction with tip #2.
- Run your ceiling fan at all times a room is occupied. The air
movement will help to evaporate the moisture from the skin and
cool you. The room will actually feel 4° to 5° cooler
than the indicated temperature.
- Set the thermostat and leave it set unless the area is going
to be unoccupied for an extended period of time.
- If your house has more than one system, the maximum temperature
setting difference between the two units should not exceed 3 degrees F.
- Keep the window coverings closed at least 75% during the hot
periods of the day. This is most important for houses that face
either east or west. Keep in mind that if your house faces east,
the peak cooling demand maybe in the morning.
- Keep door and windows closed as much as possible.
- KEEP YOUR SYSTEM FILTERS CLEAN!
- Keep your outdoor unit clean as well. The accumulation of dirt,
grass or other debris in the coils of your outdoor unit inhibits
the transfer of heat and causes your equipment to run hotter,
longer, and at a higher pressure.
- Try to avoid doing the laundry or heavy cooking during the heat
of the day. Keep the laundry room door closed when the washer
and dryer are operating.
- Houses with multiple systems must run both systems to achieve
optimum performance.
- Be sure the fireplace damper is in the closed position for
the summer as well as in the winter when not in use.
- Run bath fans for a least 10 minutes after showering or bathing
to remove heat and humidity.
- Always run vent-a-hood when cooking to remove heat and steam.
Your new air conditioning system has been engineered and sized
to keep your family comfortable during the hot Texas summers and
warm during the relatively mild Texas winters at the lowest possible
cost of operation. If the inside temperature has been allowed to
reach an elevated level, and depending on the time of day and the
outdoor temperature, it may take several hours to drop the temperature
in your home to the desired comfort level. To help you be more comfortable,
please follow these practices:
- On the really hot days (above 95°F) don’t let the
temperature inside the house get more than 5°F above the desired
temperature.
- Keep windows and doors closed and the air conditioner on during
hot and humid periods.
- Replace or clean your air filters every thirty (30) days.
- When entertaining large groups on hot days "pre-cool"
your home and cut back on the amount of cooking and laundry during
the heat of the day.
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WARRANTY PROCEDURES SECTION #4
Your new HVAC (Heating, Ventilating and Air Conditioning) system
is warranted for two (2) full year from the date you closed on your
house. This limited warranty covers all parts, materials and labor
for this period provided the system has not been abused or adversely
modified by someone other than Tempo Mechanical personnel. The compressor
in your air conditioner or heat pump has an additional three-(3)
year extended "parts only" warranty.
This warranty excludes labor, accessory parts and materials. Your
furnace heat exchanger also has either a 10 or 20 year non-prorated
"part only" warranty. Also, a small shipping
charge may apply.
Every effort is made to complete all warranty calls within twenty-four
(24) hours of notification (either by you or your builder). During
peak periods this may not be feasible; however, Tempo Mechanical
has dedicated "warranty only" technicians that service
only our own installations and only for the one (1) year warranty
period and are supported by our Service Department Technicians in
severe weather. Therefore, with this limited customer base, prompt
service is assured. After the initial warranty period has expired,
your service needs will be handled by the Tempo Service department (972.579.2000).
Tempo Service offers planned service and maintenance agreements
at substantial discounts to Tempo Mechanical customers as well as
service on an "as needed" basis. Click here to learn more about Tempo’s Preventative Maintenance Agreements.
Your warranty also covers the performance of the system subject
to the limitations as outlined in the previous section - "Performance
Specifications."
When calling for warranty service, please tell the Customer Service
Representative your closing date and describe the symptoms of your
air conditioning or heating problem. Most other relevant data is
easily and quickly accessible through our computerized service system.
The dispatcher may ask you a few questions to determine a more exact
nature of the problem. This will help to assure that the proper
technician and parts are dispatched to your house.
Warranty service is limited to "normal working hours"
(8 a.m. - 5 p.m. Monday through Friday) except in the event of an
emergency.
Emergency warranty service hours are defined as:
5 p.m. until 9 p.m., Monday through Friday
8 a.m. until 5 p.m., Saturday and Sunday
If you have a truly exceptional warranty circumstance, please call
the service dispatcher to inquire about alternative procedures.
PLEASE READ THE FOLLOWING BEFORE REQUESTING SERVICE
Emergency conditions are defined as follows:
- 90° Fahrenheit or greater outdoor air temperature and air
conditioning system will not operate.
- 45° Fahrenheit or less outdoor air temperature and the
heating system will not operate.
- Water observed overflowing and threatening to damage ceiling
or walls.
When should you call for warranty service?
You should call for Tempo Mechanical Warranty Service (972-579-2000)
if any of the above mentioned conditions exist. Other typical warranty
problems are listed below:
- Lights dim and the electricians have confirmed electrical wiring
is in order.
- Obvious parts failure.
- Short cycling of A/C or furnace (unit turns on and off more
than 6 times per hour).
- Excessive noise at supply air or return air grille.
- Ice forming at outside unit or at coil in attic.
What you should do before you call for warranty service:
To prevent the undue expense of a service call, you should always
check the following items before requesting warranty service.
- Circuit breakers and disconnect switches:
Make sure all breakers and switches are fully in the "ON"
position. It is best to turn them "off" and then "on"
again to be certain they are actually "on". There is
an A/C disconnect switch located on the outside wall adjacent
to the condensing unit. The circuit breakers controlling the units
are located in the main electrical panel and should be labeled
A/C. The furnace disconnect switch, usually located in the attic,
looks like an ordinary light switch but should be labeled "FURNACE."
- Make sure the utility company has not interrupted electrical
or gas service for any reason.
- Filters: Check for clean filters. Excessively
dirty filters restrict airflow and can damage your HVAC equipment.
We recommend that the filters be changed monthly.
- Registers and Grilles: Make sure that your
supply registers are open in the area that is not cooling or heating
properly. In no event should the registers be set so that more
than 25% of the total system airflow is cut off. Care should be
taken to be certain that furniture or other items do not block
the flow of air to or from the registers and grilles.
- Thermostats: The thermostat must be set in
the proper mode (either heating or cooling) and the setting must
be below the indoor temperature for cooling or above the indoor
temperature for heating in order for the system to operate.
NOTE: On mild, but humid days, you can turn the thermostat down
a few degrees and be more comfortable. This will cost you additional
electrical expense; however, the air conditioner is also a dehumidifier
and it will dry the air out and lower the relative humidity.
What is not covered under my first year warranty?
Typical service calls that are not covered by warranty and therefore
will result in a chargeable invoice are:
- Dirty filters
- Improper thermostat programming
- Gas valve or gas line stop not open
- Homeowner supplied electrostatic filters causing lack of air
flow
- Disconnect switches/circuit breakers in off position
- Acts of God (lightning, hail, etc.) abuse of equipment or utility
service interruption
- Routine check-ups without a specific covered complaint
- Routine maintenance
- Debris or algae build up in condensate line
- Poor performance
Emergency warranty service hours are defined as follows:
5 p.m. until 9 p.m., Monday through Friday
8 a.m. until 9 p.m., Saturday, Sunday and Holidays
FILTERS / HUMIDIFIERS SECTION #5
There are many types of filters with varying degrees of efficiency
and expense available today. A good quality standard 1 inch fiberglass
filter is approximately 10% efficient and costs around $2.00. At
the other end of the spectrum is the electronic air cleaner that
is 99% efficient which filters out things such as mold and allergy
spores, and can cost as much as $1,000.00 installed. Below is a
brief discussion of these and other alternatives. A filter should
be considered an investment as it protects the HVAC equipment and
can keep your system running efficiently having a SIGNIFICANT impact
on your utility expenses.
IMPORTANT NOTES:
If you are changing an air filter located at your central
heating unit, be sure to turn off the disconnect switch so that
the electrical power to your furnace will be shut off.
If you are changing your air filter (or in your attic for any reason)
use extreme caution when moving about. Attic platforms are built
for professional service access. There are no handrails or other
safety devices.
Standard 1" Fiberglass Filter:
This is the most common filter used today. It will keep large particles
from getting into your coils and fan motor but is not effective
against small particulate matter. These filters may be located in
the attic at the inlet to the furnace. If possible, for maximum
efficiency of your system, these filters should be changed out every
thirty (30) days.
Pleated Media Filters:
These are medium efficiency filters and range in percent efficiency
from about 20% to 50% mostly depending on the thickness of the filter
media. Typically, they are available in 1/2", 1", 2"
and 4" widths. In most instances, no special modification to
the return air system is required up through the 1" filter
thickness. Depending on the size A/C system you have installed,
additional return air ductwork and/or grilles may need to be added.
These filters need to be changed every 60 to 90 days with the exception
of the 4" style that usually needs to be replaced only every
six months.
Electronic Air Cleaners:
Electronic air cleaners (EACs) represent the ultimate in residential
air filtration. They consume very little power and clean the air
of 99% of most particulate. They are extremely effective for the
removal of smoke, mold and pollen spores. A properly sized EAC does
not restrict airflow. They are typically installed at the air inlet
to the furnace (usually in the attic; however, a status panel that
reflects the operation and cleanliness of the filter can be mounted
in the living space.
Electrostatic air filters:
Tempo Mechanical DOES NOT recommend the installation of
electrostatic air filters in your heating and air conditioning
system unless the return air grille and duct system has been designed
to compensate for the increased restriction in advance. The efficiency
ratings of these and other types of filters can be misleading. For
an accurate comparison of residential filtration efficiencies, the
ASHRAE ‘92 Dust Spot test is the most meaningful. These highly
advertised products are marketed as an inexpensive alternative to
the electronic air cleaner but can in fact severely diminish the
capacity of your air conditioning system by reducing the air flow
to the living area. Please check with Tempo Mechanical before adding
these filters to your system AS THEY MAY IMPACT YOUR WARRANTY
COVERAGE.
Humidifiers:
In the DFW area, humidifiers can be helpful to people who suffer
from dry throats or noses and have trouble breathing at night. They
also help to replace the moisture in wood paneling furniture and
wall coverings. Since the "run time" of a furnace is relatively
short in this region, we recommend that the fan powered type of
humidifier be installed. The unit should be controlled by a wall-mounted
humidistat that can set at 40% to 55% relative humidity. A humidifier
requires a small amount of maintenance on about 60-day intervals
during the heating season.
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CONDENSATE PROBLEMS SECTION #6
Condensate water is a natural by-product of all air conditioning
systems. This water is formed on the surface of the cooling coil
in the attic as the warm air passes over the coil made cold by the
refrigerant. This moisture "condenses" out of the air
by the same process as moisture forms on a cold glass of liquid
sitting in a room. Under normal circumstances this water is carried
off into your house drainage system the same as water from a sink
or shower. If water is dripping into the occupied areas of the house
the probable causes are as follows:
PROBLEM
Primary drain line stoppage causing water to drain from secondary
line
RISKS OF NON-REPAIR
A drain stoppage in the secondary drain line would mean that there
is no proper outlet for the flow of condensation from the cooling
coil located in the attic. When the drains back up, the only available
outlets are blocked and the water will overflow into the attic.
There is a potential for significant ceiling damage.
COMMON OR NON-COMMON
This is a common problem in the Dallas/Ft. Worth area. Generally,
the drain is clogged by algae build up over a period of months.
Occasionally, rust deposits accompany the algae. The rust
comes from the condensation reacting with the metal in the coil
and the drain pan. This may or may not become a recurring problem.
Some homes require twice yearly regular maintenance and others may
never have a detectable problem.
RECOMMENDED SOLUTIONS
Option 1: Utilize HVAC Service Company for regular maintenance.
Have your systems serviced by a professional heating and air-conditioning
service company. This makes them responsible and there are anti-algae
chemicals available that can be used as part of a regular planned
maintenance agreement. These agreements are relatively inexpensive
ranging from $50 a trip and up, depending on the total services
covered under the contract.
Option 2: Self-maintenance for homeowners
Many homeowners will elect to perform some or all of their HVAC
maintenance themselves. To prevent/reduce the problem of drain clogging,
we recommend the following procedure:
- At least twice a year (preferably October and March) prepare
a mixture of one part bleach to one part water to pour down the
primary and secondary drain lines. Generally, one half gallon
per system will be sufficient to prevent problems.
- The drains can be accessed by using a funnel to pour the mixture
of bleach and water into the "P trap riser". This is
a 6" high piece of PVC pipe that extends upwards from the
drain line which is located (in most cases) off the cooling coil
in the attic.
- Care must be taken to prevent the bleach from spilling. Bleach
has the potential to remove color from carpet and floor tile.
THERMOSTATS SECTION #7
In the vast majority of Tempo Mechanicals’ installations,
one of two types of thermostats is installed. All Tempo installed
thermostats are based on digital technology, which provides much
more precise control of temperature fluctuation than the mechanical/electrical
style of thermostat.
PROGRAMMABLE THERMOSTATS
Some houses are fitted with a fully programmable thermostat(s).
These thermostats will automatically change the temperature setpoint
to have the house at the desired temperature at any specific time.
This saves energy by not requiring the heating or cooling system
to maintain an uneconomical temperature when the house is unoccupied.
They have separate weekday, Saturday and Sunday programs available.
A detailed programming manual will be left for you to use as a guide
in setting up your thermostat to operate your air conditioning and
heating system in a manner that complements your daily routine.
In addition, the Carrier offering has an "auto-changeover"
feature that will allow the system to automatically switch back
and forth between the heating and cooling modes in order to maintain
a specific temperature.
Note: The thermostats on "HEAT PUMP"
system equipped houses have an additional switch labeled either
"Auxiliary Heat" or "Emergency Heat". This switch
will lock out the heat pump regardless of the outdoor temperature,
and heat only with the gas furnace.
DIGITAL NON-PROGRAMMABLE (MANUAL) THERMOSTATS
Other houses have
a digital, manually controlled thermostat with an LED temperature display.
With this type of thermostat, you must manually change the temperature
setting at the thermostat. The other switches operate as above.
These thermostats have either digital function switches or mechanical switches on the subbase to set the mode (heating - cooling or off) and a switch
to control the operation of the fan. This control allows you to
run the fan constantly or to turn the fan on and off as the air
conditioner or furnace cycles.
TIP:
For maximum comfort and more even temperature distribution throughout
the house, try running the fan in the "ON" position. This
will cause the air to mix continuously and help prevent the natural
tendency for air to stratify vertically.
AIR CONDITIONER / HEAT PUMP SECTION #8
Your new air conditioner has been engineered and sized to keep
your family comfortable during the Texas summers. If the inside
temperature has been allowed to reach an elevated level, and depending
on the time of day and the outdoor temperature, it may take several
hours to drop the temperature in your home to the desired comfort
level.
HEAT PUMP SYSTEMS
What is a "HEAT PUMP" System?
A "heat pump" heating/air conditioning system offers
the homeowner high efficiency air conditioning and the ability to
heat your house with electricity, but without the operating expense
of electric resistance heat. A heat pump simply operates as an air
conditioner in reverse. As difficult as it is to imagine, there
is heat in even the coldest air. A heat pump will extract this heat
from the outdoor air and "pump" it into your house. Typically
a heat pump operates 2.5 to 3.5 times as efficiently as an electric
resistance heating system.
The heat pump thermostat operates in much the same way as does
an air conditioner thermostat. The major difference is that the
heat pump thermostat will have an additional switch labeled "emergency
heat" or "auxiliary heat". This switch may be used
to activate the back up electric resistance heating elements in
case of equipment failure, in times of extreme prolonged cold weather
or in the need for a rapid warm-up of the house after the temperature
has been allowed to drop to an uncomfortable level.
OPERATING TIPS SECTION #9
To help you be more comfortable with your air conditioner OR heat
pump, please follow these practices (refer to Figure #6):
- On hot days (temperature above 95°F) do not let the temperature
inside the house get more than 5°F above the desired indoor
temperature.
- Keep windows and doors closed, the window coverings 75% drawn
and the air
conditioner on during hot and humid periods.
- Replace or clean your air filters every thirty (30) days.
- When entertaining large groups on hot days "pre-cool"
your home and cut back
on the amount of cooking and laundry during the heat of the day.
- Do not block the return air grille with furniture or drapes.
- Maintain at least a 12" clearance between your air conditioner
and shrubs. Keep the outside coil clean of grass and leaves as
this diminishes the ability of your unit to reject the heat from
the house into the outside air. This also causes your unit to
work harder and use more electrical power. If you notice a significant
buildup of debris, this can be removed by spraying the condenser
coil with a garden hose. The water should be directed at a steep
downward angle from above the unit. This will prevent the water
from pushing the dirt further into the coil.
- At the beginning of the cooling season, you may notice a gurgling
noise at the sink. This will stop as the trap in the drain fills
with condensate water. This water is actually humidity being removed
from the air in your house.
*** IMPORTANT NOTE: BEFORE ATTEMPTING TO PERFORM ANY MAINTENANCE,
DISCONNECT ALL ELECTRICAL POWER TO THE AIR CONDITIONER BEFORE REMOVING
ACCESS PANELS TO PERFORM MAINTENANCE. DISCONNECT POWER TO BOTH INDOOR
AND OUTDOOR UNITS. THERE MAY BE MORE THAN ONE (1) ELECTRICAL DISCONNECT
SWITCH.
BEFORE REQUESTING A "SERVICE CALL" BE SURE TO
CHECK FOR THESE EASY TO SOLVE PROBLEMS:
- Check the indoor and outdoor disconnect switches. Verify that
the circuit breakers are in the "ON" position. (Note:
The furnace disconnect switch is usually a typical wall light
switch mounted on a piece of lumber in the attic adjacent to the
furnace.).
- Check for sufficient airflow; check the air filter(s) for an
accumulation of dirt. Check for blocked return-air or supply-air
grilles. Be sure grilles (and dampers) are open and unobstructed.
- Check the settings of your indoor thermostat. If you desire
cooling, see that the temperature control selector is set BELOW
the current room temperature and the system switch is in the COOL
position. If you require heating, the temperature control selector
must be set ABOVE the current room temperature
and the system switch is set at HEAT.
- Be sure the furnace blower door panel is properly closed or
the fan motor will not operate in either the heating or cooling
modes.
If after checking these items, your air conditioning and heating
system still fails to operate you should call Tempo Mechanical,
the installing contractor, during the first year after closing for
warranty service. After the first year warranty has expired, we
recommend you contact Tempo Service (972.579.2000) for your mechanical
systems’ needs, however, the choice of an alternate qualified
service company after the first year warranty period is at your
discretion and will not affect any extended parts warranties.
GAS FIRED FURNACE SECTION #10
Your efficient (80% AFUE Rated) gas furnace has been sized to provide
proper air flow for both your heating and cooling needs and will
rapidly bring your house to a comfortable temperature even if the
house has been allowed to get quite cold inside. Below are some
tips to maximize the performance of your heating system.
- Change or clean your air filters every thirty (30) days (year-round)
depending on how fast they accumulate dirt.
- Make sure furniture or drapes do not block the return air grilles.
- Operate the fan in the "On" position to help reduce
cold or warm air pockets.
- Make sure the furnace has an unobstructed flow of air for combustion.
This is mostly of concern for closet located furnaces.
BEFORE REQUESTING A "SERVICE CALL" BE SURE TO
CHECK FOR THESE EASY TO SOLVE PROBLEMS:
- Is your thermostat in the HEAT position?
- Is the thermostat set above the current room temperature?
- Is the power supply switch ON?
- Is the furnace blower door on tight? There is a safety switch
that will prevent operation of the furnace if the door is ajar.
- Are any circuit breakers tripped?
- Is the manual shut-off valve in the gas supply line leading
to the furnace in the open position? The lever should be pointed
in the direction the pipe runs for the valve to be open.
If after checking these items, your air conditioning and heating
system still fails to operate you should call Tempo Mechanical,
the installing contractor, during the first year after closing for
warranty service. After the first year warranty has expired, we
recommend you contact Tempo Service (972.579.2000) for your mechanical
systems’ needs, however, the choice of an alternate qualified
service company after the first year warranty period is at your
discretion and will not affect any extended parts warranties.
PREVENTIVE MAINTENANCE SERVICE AGREEMENT SECTION #11
The manufacturer of your air conditioning and heating equipment
as well as the installing contractor (Tempo Mechanical)
recommend regular maintenance by a properly trained service technician
in order to maintain peak efficiency of your system and to minimize
the risk of needing emergency service. We recommend routine maintenance
inspections at least once each year.
Please click on the following link to find out about Tempo’s extensive offering of Preventative maintenance programs.
SCHEDULE OF EQUIPMENT SERIAL NUMBERS / CLOSING DATE SECTION #12
(This information will be useful when requesting service and can
be found on the equipment nameplates.)
System #1
Furnace Model Number
Furnace Serial Number
Condensing Unit Model Number
Condensing Unit Serial Number
System #2
Furnace Model Number
Furnace Serial Number
Condensing Unit Model Number
Condensing Unit Serial Number
System #3
Furnace Model Number
Furnace Serial Number
Condensing Unit Model Number
Condensing Unit Serial Number
Date of Closing |
