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Details about  HYDRO VXT- 24 VAC WATER FEEDER STEAM BOILER

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HYDRO VXT- 24 VAC WATER FEEDER STEAM BOILER
HYDRO-VXT-24-VAC-WATER-FEEDER-STEAM-BOILER
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Item condition:
New
Ended:
Sep 30, 2012
Starting bid:
US $158.50
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Item location:
North Bergen, New Jersey, United States

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eBay item number:
290780791980
Seller assumes all responsibility for this listing.

Item specifics

Condition:
New: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is ... Read moreabout the condition
 

REPLACES    SAFE GAURD: V24-SERIES FEEDERS

REPLACES MC DONNELL & MILLER: MODELS      WF-2 -U-24,    101A-24

 

I HAVE SOLD A FEW OF THESE PLEASE CHECK MY FEEDBACK

 

The Hydrolevel VXT steam boiler water feeder offers the homeowner the convenience of maintaining a safe water line in the boiler —

automatically. In addition to this added convenience, The VXT is the first automatic steam boiler water feeder designed to monitor the amount of

water added to a steam boiler. The addition of make-up water raises the oxygen level in a boiler and accumulates lime and other mineral deposits.

 Excessive boiler make-up water can cause cast iron boilers to rust internally, severely shortening the boiler’s life. Mineral deposits from too much

 make up water can impede heat transfer causing cast iron boiler sections to overheat and crack. Unlike any other water feeder, the VXT can

protect the life of a boiler by exposing system leaks giving you the information you need to diagnose and repair the system before it’s too late

• Added Convenience No more trips to the basement to add water to the boiler. • Universal Compatibility Works with all probe and float type low water cut-offs. • Digital Feed Counter Brightly illuminated feed counter displays the amount of water added to the boiler — essential in diagnosing water loss problems that can severely shorten the life of a steam boiler. Built-in memory prevents power interruptions from clearing the counter. • Programmable Feed Delay Helps prevent flooded boilers. Allows time for condensate to return to the boiler before starting a feed cycle — ensuring that additional water is needed. • Programmable Feed Amount Settings Six settings provide two ways to feed. 1-5 gallon settings now feed above the probe to restore the boiler’s normal operating level. Or, select LWCO setting to end the feed cycle when the low water cut-off re-energizes the burner. • Manual Feed Button Allows for additional make-up water at the touch of a button. Manual feed amounts are recorded and added to the total gallons displayed by the feed counter. • Underfeed Protection If one feed cycle is not sufficient to restore boiler operation, the VXT will delay and feed one additional cycle. • Lockout Flood Protection The VXT locks-out to prevent steam system flooding and costly water damage if burner operation does not resume after two consecutive feed cycles. • On-Board Diagnostics LED also indicates key control functions. Upon a feed signal from low water cut-off, the VXT feeder delays (from 30 seconds to 10 minutes) to allow condensate to return to boiler. If make-upwater is required after the delay period, the VXT will initiate a feed cycle. TheVXT can be set to feed to the level of the low water cut-off or can be set from 1 to 5 gallons to raise the water level above the cut-off to the normal operating level. The digital feed counter tracks all water fed into the boiler including water added using the Manual Feed Button. Power Consumption: 15 VA Max. Fluid Temperature: 150° F Flow Rate: 1 GPM Fittings: 1/2" Sweat Factory Settings (adjustable): Delay before feed: 2 minutes Feed Setting: LWCO Max Steam Pressure: 15 PSI Max water supply pressure: 150 PSI Max Amp Draw: .5 amp (24VAC) .2 amp (120VAC) Water Flow: 1 GPM This Item is Brand New, Factory Sealed, NOT REFURBISHED, complete from the manufacturer. Also includes the owner's manual and full USA warranty card. See product description for more details. Customer Service We are very diligent about maintaining and leaving proper feedback. When your order arrives, please leave us positive feedback for your transaction and we will immediately do the same for you.



INSTRUCTIONS BELOW



Programmable
Water Feeder for
Steam Boilers
120 VAC Operating Voltage
Patent Pending
INSTALLATION
Model VXT-120
WARNING – To
prevent electrical
shock or equipment
damage, power
must be off during
installation or servicing
of the control.
To prevent
serious burns, the boiler should be thoroughly cooled
before installing or servicing control. Only qualified
personnel may install or service the control in accordance
with local codes and ordinances. Read instructions
completely before proceeding.
Feeder must be installed with a manual by-pass. Use isolation valves and
unions to allow easy removal for service or replacement.
Note: Arrow on VXT valve indicates direction of water flow.
LIMITED MANUFACTURER’S WARRANTY
We warrant products manufactured by Hydrolevel Company to
be free from defects in material and workmanship for a period
of two years from the date of manufacture or one year from
the date of installation, whichever occurs first. In the event of
any claim under this warranty or otherwise with respect to our
products which is made within such period, we will, at our
option, repair or replace such products or refund the purchase
price paid to us by you for such products. In no event shall
Hydrolevel Company be liable for any other loss or damage,
whether direct, indirect, incidental or consequential. This warranty
is your EXCLUSIVE remedy and shall be IN PLACE OF
any other warranty or guarantee, express or implied, including,
without limitation, any warranty of MERCHANTABILITY or
fitness for a particular purpose. This warranty may not be
assigned or transferred and any unauthorized transfer or
assignment thereof shall be void and of no force or effect.
SPECIFICATIONS
MAXIMUM FLUID
TEMPERATURE: 150°F
AMBIENT TEMPERATURE: 100°F
FLOW RATE: 1 GPM
MAXIMUM FEED: 10 Gallons (2 Cycles)
ELECTRICAL: 120 VAC, 60 HZ
 UNIVERSAL COMPATIBILITY: The VXT feeder can be used with virtually
any probe or float-type low water cut-off.
• FEED COUNTER: Brightly illuminated feed cycle counter displays the
amount of water added to the boiler – essential in diagnosing water loss
problems that can severely shorten the life of a steam boiler. Built-in memory
prevents power interruptions from clearing the counter.
• PROGRAMMABLE FEED DELAY SETTINGS: Helps prevent flooded boilers.
Allows time for condensate to return to the boiler before starting feed
cycle – ensuring that additional water is needed.
• PROGRAMMABLE FEED AMOUNT SETTINGS: Six settings provide two
ways to feed: 1-5 gallon settings feed above the Low Water Cut-Off to
restore boiler’s normal operating level. Or, select LWCO setting to end the
feed cycle when the Low Water Cut-Off re-energizes the burner.
• UNDERFEED PROTECTION: If one feed cycle is not sufficient to restore
boiler operation, the VXT will delay and feed one additional cycle.
• LOCKOUT FLOOD PROTECTION: The VXT locks-out to prevent steam system
flooding and costly water damage if burner operation does not
resume after two consecutive feed cycles.
Step – Warning Step – Plumbing
Step – Wiring
Select the wiring diagram below that corresponds to the low water cut-off installed on the boiler. Consult boiler manufacturer’s
instructions for proper burner terminal connections.
McDonnell & Miller
PS-800 Series
STANDARD WIRING – NEWER MODELS
ALTERNATE WIRING: If the power source for the low
water cut-off is separate from the burner circuit (indicated by
the absence of a jumper between terminals H and C on the
low water cut-off), connect a wire from the "Feed" terminal on
the water feeder to terminal W on the low water cut-off.
Connect a wire from terminal H on the water feeder to burner
circuit hot. Connect a wire from terminal N on the water feeder
to burner circuit neutral.
ALTERNATE WIRING: If the power source for the low
water cut-off is separate from the burner circuit (indicated by
the absence of a jumper between terminals 1 and 3 on the
low water cut-off), connect a wire from the "Feed" terminal on
the water feeder to terminal 4 on the low water cut-off.
Connect a wire from terminal H on the water feeder to burner
circuit hot. Connect a wire from terminal N on the water feeder
to burner circuit neutral.
STANDARD WIRING – OLDER MODELS
ALTERNATE WIRING: If the power source for the low
water cut-off is separate from the burner circuit (indicated by
the absence of a jumper between terminals 1 and P1 on the
low water cut-off), connect a wire from the "Feed" terminal on
the water feeder to terminal A on the low water cut-off.
Connect a wire from terminal H on the water feeder to burner
circuit hot. Connect a wire from terminal N on the water
feeder to burner circuit neutral.
ALTERNATE WIRING: If the power source for the low
water cut-off is separate from the burner circuit (indicated by
the absence of a jumper between terminals H and P1 on the
low water cut-off), connect a wire from the "Feed" terminal on
the water feeder to terminal A on the low water cut-off.
Connect a wire from terminal H on the water feeder to burner
circuit hot. Connect a wire from terminal N on the water
feeder to burner circuit neutral.
Hydrolevel
Safgard Model 450 / CycleGard CG450
STANDARD WIRING
Safgard Model OEM-170TD
STANDARD WIRING
IMPORTANT
To prevent overfeeding
and possible
flooding, when used
with the OEM-170TD,
the VXT should be
set with a Feed
Delay of 10 minutes
and a Feed Amount
of 1 to 5 gallons
(see step 5).
DO NOT USE LWCO
SETTING.
Float Style Control
Honeywell
Model RW-700 Guard Ring
ALTERNATE WIRING: If you choose to wire the feeder to a
separate power source from the burner circuit, do not install
jumper between 2 and 3. Connect a wire from the "Feed" terminal
on the water feeder to terminal 4 on the low water cut-off. Connect
a wire from terminal H on the water feeder to the hot side of the
power source. Connect a second wire from terminal H to terminal
3 on the cut-off. Connect a wire from terminal N to the neutral side
of the power source.
ALTERNATE WIRING: If you choose to wire the feeder to a
separate power source from the burner circuit, do not install jumper
between L1 and A. Connect a wire from the "Feed" terminal on the
water feeder to terminal A on the low water cut-off. Connect a wire
from terminal H on the water feeder to the hot side of the power
source. Connect a second wire from terminal H to the other terminal
A on the cut-off. Connect a wire from terminal N to the neutral
side of the power source.
STANDARD WIRING STANDARD WIRING
30-Second 2-Minute
(Factory Setting)
4-Minute 6-Minute 8-Minute 10-Minute
The feed delay feature is designed to prevent boiler flooding by allowing time for condensate to return to the boiler prior to
feeding. If the returns and vents are in good condition, the 2-minute factory setting is usually sufficient. If for any reason condensate
takes longer to return to the boiler (such as old return lines or long horizontal runs), a longer delay setting should be
selected.
NOTE: SELECT ONLY ONE DIPSWITCH CORRESPONDING TO THE DESIRED FEED DELAY.
LWCO
(Factory Setting)
1-Gallon 2-Gallon 3-Gallon 4-Gallon 5-Gallon
LWCO Setting: The VXT feeder is shipped in the LWCO feed setting. When operating in this setting, the VXT will feed only
until the low water cut-off re-energizes the burner circuit (or a maximum of 5 gallons). This will restore boiler operation, but on
some applications may only be enough water to satisfy the minimum requirements. If additional water is needed to reach the
boiler’s normal operating level, the 1-Gallon to 5-Gallon settings should be selected using the instructions below.
1 Gallon to 5 Gallon Settings: When the 1 to 5 Gallon settings are used, the feeder will continue to feed until the cycle is
complete, regardless of when the low water cut-off is satisfied. These settings should be used only when the LWCO setting
does not provide adequate water to restore the boiler to a normal operating level. Use the following instructions when choosing
these settings:
Boilers with probe-type cut-offs:
1. With power to the system on and the thermostat off, lower
the water level to approximately 1/2" below the probe.
2. Press the FEED button on the water feeder and, using a
watch with a second hand, time how long it takes boiler
water to reach the normal operating level (Usually the
middle of the gauge glass unless otherwise specified by
the boiler manufacturer).
3. Round the time to the nearest minute and set the feeder
for the corresponding number of gallons.
Example: If it takes 1 minute and 15 seconds for water to
rise from 1/2" below the probe to the normal operating level,
round to 1 minute and set the feeder for 1-Gallon.
Boilers with float-type cut-offs:
1. With power to the system on and the thermostat off, lower
the water level until 1/4" is visible in the gauge glass.
2. Press the FEED button on the water feeder and, using a
watch with a second hand, time how long it takes boiler
water to reach the normal operating level (Usually the
middle of the gauge glass unless otherwise specified by
the boiler manufacturer).
3. Round the time to the nearest minute and set the feeder
for the corresponding number of gallons.
Example: If it takes 2 minutes and 10 seconds for water to
rise from 1/4" in the gauge glass to the normal operating
level, round to 2 minutes and set the feeder for 2-Gallons.
NOTE: SELECT ONLY ONE DIPSWITCH CORRESPONDING TO THE DESIRED FEED AMOUNT.
CAUTION: BOILER FLOODING CAN OCCUR IF THE FEEDER IS NOT SET PROPERLY.
UNLIKE OTHER FEEDERS, THE 1-GALLON TO 5-GALLON SETTINGS WILL FEED THE FULL
CYCLE REGARDLESS OF WHEN THE WATER REACHES THE LOW WATER CUT-OFF.
Step – Set the Feed Delay
Step – Set the Feed Amount
Feed Counter
The VXT’s built-in feed counter records the number of gallons that enter the boiler during automatic feed cycles or when the
FEED button is pressed.* To determine how much water has been added to the boiler since the last service, the counter should
be checked, recorded, and reset each time the boiler is serviced. The counter reset (DISPLAY RST) button is located in the
bottom right corner of the circuit board.
The addition of water to a boiler raises the oxygen level and accumulates lime and other mineral deposits over time. Excessive
feed cycles, resulting from leaks in the system, can cause cast iron boilers to oxidize (rust) internally, significantly reducing the
life of the boiler. Lime and sediment build-up can impede heat transfer causing damage and/or premature failure of the boiler.
Recommended Limits on Make-Up Water
Many factors, such as the water capacity of the boiler, feed water conditions
and boiler design can impact the amount of water that can safely
be added to a steam boiler. As a general guideline for late model
boilers, Hydrolevel recommends the monthly limits in the table at the
right for boiler operation during the heating season. If feed amounts
significantly exceed these levels, the system should be checked for
leaks by a qualified technician. Note: Any feed limits provided by the
boiler manufacturer supercede Hydrolevel recommendations. Please
check the boiler manufacturer’s instructions carefully.
*The VXT Feeder is equipped with an orifice to regulate flow rates over a wide range of
water pressures. The Feed Counter readings are designed to be accurate to ±15% with
water pressures between 20 to 90 PSI.
Service / Maintenance
Check Feeder Operation: Feeder operation should be checked annually during boiler servicing to ensure proper operation
and feed amount.
Record and Reset Feed Counter: The feed counter should be checked annually. If the feed amount falls within the recommendations
provided in the table above, record this amount on the card provided and press the reset button (DISPLAY RST)
on the bottom right corner of the circuit board. Note: If the feed amount significantly exceeds the recommendations above, the
system should be checked for leaks by a qualified technician.
Trouble Shooting
If LOC appears in the digital counter, this indicates that the safety lockout feature is activated. This feature
engages only when the feeder completes two consecutive feed cycles and the low water cut-off does not re-energized
the burner. The feeder can be reset by briefly interrupting power to the heating system. Important: The following trouble
shooting steps should be taken to determine the cause of the lockout condition before restoring normal operation.
1. If the boiler is overfilled, the low water cut-off is not functioning properly. Using the manufacturer’s instructions, check the
low water cut-off operation.
2. If the boiler is in low water:
a. Check boiler and return piping for leaks.
b. If no leaks are detected, check to determine if the flow of the feeder is restricted. Check isolation valves around feeder
to ensure they are fully opened.
c. Check the feeder setting to ensure that it is set to feed adequate water in the event of a low water condition.
If ERR appears in the digital counter, this indicates that more than one or no delay or feed button has been selected.
See Step 4 and Step 5 for DELAY and FEED setting instructions.
Step – Attach Service Tag
Complete the information at the top of the service tag provided and attach tag near the VXT Water Feeder.
P.O. Box 1847 • New Haven, CT 06508 • Phone: (203) 776-0473 • FAX: (203) 773-1019 • www.hydrolevel.com
Recommended Make-Up Water Limits
Net IBR Rating Gal/month
MBH Limit
Up to 90,000 6
91,000 - 120,000 8
121,000 - 150,000 10
151,000 - 185,000 12
185,000 & Higher 15
Note: The above limits are based on normal boiler operation during the heating
season. They do not include water added as a result of boiler and/or low
water cut-off maintenance.
 
 
 
 
FEEL FREE TO CALL OR EMAIL ME MIKE
 
201-494-0151

 


 

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