Fieldpiece S365 User manual

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04
03
06
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WARNINGS
Only use on TXV systems using
either R410A or R22.
Ensure the system is powered
OFF before installing the Charg-
ing Jacket.
Severe injury can occur if the fan
turns ON before hooks are se-
curely fastened towards the top
of the condenser.
Wear eye protection.
Only use when the ambient dry
bulb temperature is between
37°F and 70°F (3°C to 21°C.)
Using outside of this range can
damage the air conditioner/heat
pump.
Head pressure of the system
needs to remain within the
following safe ranges to avoid
damage to the compressor or
other equipment:
R22: 55psig to 300psig
R410A: 97psig to 500psig
Stop the system if the head pres-
sure approaches these limits.
Description
HVACR technicians typically
cannot charge a cooling system in
cold weather. The cold temperature
removes too much heat from the
condenser coils.
The Charging Jacket from Fieldpiece
Instruments allow you to charge aTXV
system when ambient temperatures
are between 70°F and 37°F.
It works by restricting the fan outlet
of the condenser, in eect raising the
temperature within the condsenser.
This is a more eective method than
blocking the incoming air to the
condenser coil .
Look professional and increase
your amount of possible jobs. No
more trash bags or cardboard! Do it
the right way.
Maintenance
Hand wash with cold water and
mild detergent if needed and let air
dry. Do not machine wash or dry.
Fieldpiece
Charging Jacket
OPERATOR'S MANUAL
Model S365
How to Use
TheWinter Charge Setup may
only be used for equipment for which
the air conditioning manufacturers
approve the use of the Winter
Charge Setup. Refer to (California’s)
Energy Commissions website for
the list of split system air condition
units approved by the manufacturers
to use the Winter Charge Setup. In
addition to the requirements of this
document, manufacturers may issue
additional instructions/clarication
for the equipment and procedures to
be used to conduct the Winter Charge
Setup. These additional instruction/
clarifications are also available on
the (California) Energy Commission
website.
-- California Title 24 2013 Edition
Setup
1 Power down the system.
2 Install Charging Jacket:
A. Tighten Bungie Cinch around top
of condenser fan cage making sure
not to block the airow inlet (sides.)
B. Fasten hooks securely so that the
the fan does not eject the Charging
Jacket when the system starts.
C. Always start with the top open,
then tighten the restriction string
to restrict airow as needed.
3 Make sure people and animals are
clear of the condenser, then start
the system. If using on a heat pump,
set it to cooling mode.
4 Carefully adjust the restriction
of the Charging Jacket until the
difference between the high
side and the low side pressures
is between 160psi and 220psi
(R410A) or 100psi and 145psi (R22).
Restricting airflow increases the
pressure dierence.
Check Refrigerant Charge
5 Once the system is within the
pressure dierence range, allow
the system to stabilize for 15
minutes.
6 Calculate Actual Subcooling.
(Tcondenser, saturation - T liquid line)
If your subcooling is more
than three degrees less than the
target subcooling, then you are
undercharged. (continued)
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BUNGIE CINCH
RESTRICTION STRING

07
10
09
12
08
11
If your subcooling is more than one
degree over the target subcooling,
you are overcharged.
EXAMPLES
Target subcooling = 12°F and your
measured subcooling is 10°F. You are
OK.
Target subcooling = 12°F and your
measured subcooling is 14°F. You are
overcharged.
Target subcooling = 12°F and your
measured subcooling is 7°F. You are
undercharged.
Please use manufacturer's target
subcooling for comparison.
Check TXV Device
7 Calculate Actual Superheat
(Tsuction - T evaporator,saturation)
8 If TXV manufacturer’s data is
available, determine the superheat
range recommended by the
manufacturer. (continued)
9 If there is no manufacturer’s data
available then a superheat between
4° and 25°F is acceptable for aTXV. If
the superheat is outside this range,
and the charge is correctly adjusted
by the subcooling method, there
may be a problem with the TXV.
Limited Warranty
In the USA, this product is warranted
against defects in material or
workmanship for one year from date
of purchase. Fieldpiece will replace or
repair the defective unit, at its option,
subject to verication of the defect.
This warranty does not apply to
defects resulting from abuse, neglect,
accident, unauthorized repair,
alteration, or unreasonable use of the
instrument.
Any implied warranties arising
from the sale of a Fieldpiece product,
including but not limited to implied
warranties of merchantability and
tness for a particular purpose, are
limited to the above. Fieldpiece shall
not be liable for loss of use of the
instrument or other incidental or
consequential damages, expenses, or
economic loss, or for any claim of such
damage, expenses, or economic loss.
Statelawsvary.The above limitations
or exclusions may not apply to you.
For Service
In the USA, call Fieldpiece
Instruments for one-price-x-all out of
warranty service pricing. Send check or
money order for the amount quoted.
Send the product freight prepaid to
Fieldpiece Instruments. Send proof of
date and location of purchase for in-
warranty service. The product will be
repaired or replaced, at the option of
Fieldpiece, and returned via least cost
transportation. Outside of the USA,
please visit www.eldpiece.com for
service contact information.
www.fieldpiece.com
© Fieldpiece Instruments, Inc 2012; v05
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