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Pulling a Vacuum
Follow all manufacturers’ evacuation procedures over those in
this manual.
1 Connect your SMAN4 in-line with your vacuum pump and the
system, then power on your SMAN4.
2 Draw a vacuum on the system. The SMAN4 will automatically
sense the negative pressure and display the vacuum in microns.
3 Press Alarm to activate the High (Hi) alarm or Low (Lo) alarm. No
display of Lo or Hi means alarm is off. Note: The stopwatch will
start when an alarm is activated. Pressing Alarm will reset the
stopwatch.
4 When the rate of change in pressure is less than 1 micron per 10
seconds,
Stable
will appear to the left of the micron reading.
Additional Tips:
To achieve a deep vacuum as quickly as possible:
1 Use the shortest hoses with the largest diameter available.
2 Remove Schrader cores and core depressors. Core removal tools
like the "MegaFlow Valve Core Removal Tool" can be purchased
from Appion, Inc. to help with this process.
3 Inspect the rubber seals at both ends of your hoses for damage
that may result in leakage.
4 Do not use hoses with low loss fittings when evacuating or
pulling a vacuum on a system.
Set Vacuum Alarms
1 Hold ALARM for one second to enter Alarm Set mode.
2 Press ALARM to toggle between Alarm Hi and Lo.
3 Use UP or DOWN ARROW to select the value and press ENTER
to lock in each digit. Once last digit in
Alarm Lo
is locked, your
SMAN4 will automatically revert to normal testing mode.
SMAN4 to HVAC Guide® (HG3)
Your SMAN4 can wirelessly send meaurements to the HG3 System
Analyzer (FW v 3.42 or higher) for deeper analysis and data logging. Your
SMAN4 can send suction and liquid line pressures and temperatures,
superheat/subcooling calculations, indoor wet bulb and outdoor drybulb
temperatures with target superheat calculation (if SMAN4 is wirelessly
receiving these measurements), and vacuum micron measurements
(for datalogging) all in real-time. From the HG3, you can print reports
on a PC to hand to customers and/or file for your own record-keeping.
The HG3 System Analyzer can receive wireless measurements from
the SMAN4 to the following tests: CheckMe!®, Superheat, Subcooling,
Charging Jacket, and Data Logger.
1 Connect your SMAN4 to the system for measurement of suction
and liquid line pressures and temperatures.
2 Sync wireless devices to SMAN4 to receive indoor wet bulb and
outdoor dry bulb measurements. See Target Superheat section for
wireless IDWB and ODDB instructions.
3 Press circular button on SMAN4 to enter Superheat/Subcooling, T1
T2 Direct, or Saturation temperature modes.
4 Hold the SYNC button until a beep is heard (>1 sec). Wireless
signal bars icon in lower right corner of display will appear and
begin searching.
5 Set HG3 to one of the following tests: CheckMe!®, Superheat,
Subcooling, Charging Jacket, or Data Logger.
6 With HG3 test, highlight a test line that corresponds to one of the
measurements being sent from the SMAN4.
7 Hold SYNC button on HG3 until search pattern shows on right of
test line. All receivable real-time measurements from the SMAN4
will populate corresponding test lines on HG3.
8 Press OUTPUT on HG3 to view deeper analysis of the system.
Note: The SMAN4 and HG3 must be within 10 feet (3m) for initial
sync to occur. Once synced, the wireless range is 100 feet (30m).
Specifications
Wireless range:
Up to 100 feet (30m)
Initial wireless sync range:
Within 10 feet (3m)
Mini-USB port:
For updating to newer versions of firmware
Display size:
5 inches (diagonal)
Backlight:
Blue (On for 1 minute unless turned off manually)
Battery:
6 x AA (Battery life below based on alkaline type)
Battery life:
Approx. 135 hours (without backlight and wireless)
Low battery indication:
is displayed when the battery
voltage drops below the operating level
Auto shut off:
30 minutes of inactivity when APO is activated
Over range:
"OL" or "-OL" is displayed
Operating environment:
32°F to 122°F (0°C to 50°C) at <75% RH
Storage temperature:
-4°F to 140°F (-20°C to 60°C), 0 to 80% RH
(with battery removed)
Weight:
4.03 lbs (1.83 kg)
Pressure
Sensor type:
Absolute pressure sensors
Connector type:
Standard 1/4" and 3/8" NPT male flare fitting
Range:
29” HgV to 580psig (English), 74 cmHgV to 0 to 4000KPa
(Metric), 4.000MPa (Metric), and 40.00bar (Metric)
Resolution:
0.1 psi/inHg; 1 kPa/cmHg; 0.001MPa; 0.01bar
Accuracy:
29” HgV to 0” HgV: ±0.2” HgV
74 cmHgV to 0 cmHgV: ±1 cmHgV
0 to 200 Psig: ±1 Psi; 0 to 1378 KPa: ±7 KPa; 0 to 1.378MPa:
±0.007MPa; 0 to 13.78 bar ±0.07 bar
200 to 580 Psig: ±0.3%+1 Psi; 1378 to 4000KPa: ±0.3%+7 Kpa;
1.378 to 4.000MPa: ±0.3%+0.007MPa; 13.78 to 40.00bar:
±0.3%+0.07bar
Maximum overload pressure:
800 psig
Units:
Psig, kPa, MPa, bar, inHg, and cmHg
Microns for Vacuum
Connector type:
Standard 1/4" and 3/8" NPT male flare fitting
Range:
50 to 9999 microns of mercury
Resolution:
1 micron (50 to 2000 microns), 250 microns (2001 to
5000 microns), 500 microns (5001 to 8000 microns), 1000 microns
(8001 to 9999 microns)
Accuracy:
±10% or ±10 microns, whichever is greater (50 to 1000
microns)
Maximum overload pressure:
580 psig
Units:
Microns of mercury
Temperature
Sensor type:
K-Type thermocouple
Range:
-95°F to 999.9°F (-70°C to 537.0°C)
Resolution:
0.1°F/°C
Accuracy:
±(1.0°F) -95°F to 199.9°F; ±(0.5°C) -70°C to 93°C
±(2.0°F) 200°F to 999.9°F; ±(1.0°C) 93°C to 537.0°C
Note: All accuracies are after a field calibration.
Refrigerants
The P-T charts of the following 39 refrigerants come pre-
programmed into your SMAN4. In your SMAN4 the refrigerants are
listed in order of most commonly used. Here, they are listed in numerical
order for easy reference.
R11, R113, R114, R12, R123, R124, R125, R13, R134A, R22, R23,
R401A(MP39), R401B, R402A, R402B, R404A, R406A, R407A, R407C,
R408A, R409A, R410A, R414B (Hotshot), R416A, R417A, R420A,
R421A, R421B, R422A, R422B(NU22B), R422C(Oneshot), R422D, R424A,
R434A(RS-45), R438A(MO99), R500, R502, R503, R507A
Maintenance
Clean the exterior with a dry cloth. Do not
use liquid.
Battery Replacement
The battery must be replaced when the
battery life indicator
is empty. Turn your
SMAN4 off and replace with 6 AA batteries.
Cleaning the Micron Sensor
Over time, the vacuum sensor of the SMAN4
may become contaminated with dirt, oil, and
other contaminents introduced from pulling
vacuums.
1
Never
use an object such as a cotton swab to clean the sensor,
you may cause damage to the sensor.
2 Open all knobs/valves, and cap all the ports except for the VAC
port.
3 Drop enough Isopropyl (rubbing) alcohol into the VAC port using
an eye dropper or funnel so that it can flush out contaminents.
4 Cap VAC port and gently shake your SMAN4 upside down to clean
sensor.
5 Turn right side up. Open a port to pour out the rubbing alcohol
and open all ports to allow sensors to dry out. Drying usually
takes about an hour.
Calibration
Temperature
To calibrate your SMAN4 temperature
thermocouples, adjust the pot on the front of
the meter labeled T1 Cal or T2 Cal. The best way
to calibrate is to match to a known temperature.
Ice water is very close to 32°F and is readily
available. Accuracies of one degree or better
are obtained through field calibration.
1 Stabilize a large cup of ice water by stirring. Pure, distilled water
will be the most accurate.
2 Press the circular button until your SMAN4 enters Direct
Temperature (T1 T2) mode.
3 Immerse the temp probe in ice water from T1 and adjust the
T1 Cal pot with a flathead screwdriver and let it stabilize, keep
stirring.
4 Repeat Step 3 for temp probe in T2.
Pressure Zeroing
To calibrate your SMAN4 pressure sensors to
atmospheric pressure, ensure that your SMAN4
is disconnected from any pressure source and at
equilibrium with the ambient pressure.
1 SMAN4 must be in Superheat/Subcooling, Saturation, or T1 T2
Direct mode.
2 Press the CAL Atmospheric Pressure button and your SMAN4 will
set the zero point of pressure to the ambient pressure.
Advanced Pressure Calibration
Your SMAN4 has the ability to perform a linear
adjustment of the pressure sensors based on
refrigerant type, temperature, and pressure.
Note: If the P1 and P2 pressure readings are not at zero, perform a
Pressure Zeroing adjustment before performing this advanced
calibration.
1 Press circular button until your SMAN4 enters T1 T2 Direct mode.
2 Plug in a K-type thermocouple into T1. (A bead type
thermocouple, like the ATB1, is recommended.)
3 Connect the SMAN4 to a refrigerant cylinder of a known, single
refrigerant using an EPA approved service hose. Be sure to open
both HIGH and LOW side valves on your manifold and cap the
unused ports. (If caps are not available you can connect both
ends of a refrigerant hose to the two unused caps. Note: Some
refrigerant will remain in the hoses which will need to be
recovered.)
4 Press the REFRIGERANT button to match the refrigerant of the
cylinder you are using.
5 Attach bead-type thermocouple to the side of the cylinder using
tape. It is recommended to attach in the middle of the cylinder.
Important: Let the temperature of the thermocouple stabilize
to the refrigerant temperature for 1 to 2 minutes or until stable.
Note: For best results, the refrigerant cylinder should have been
stored in a stable ambient condition environment for at least 24
hours.
6 Open the refrigerant cylinder. The pressure inside cylinder should
now be displayed on both HIGH and LOW side pressure sensors.
7 Press the CAL Test Pressure button.
Your SMAN4 refers to the built-in P-T charts
to compare the temperature of the refrigerant
to the vapor saturation temperature. If the
pressures on your SMAN4 are within 3psi of the
pressure corresponding to the vapor saturation
temperature, the SMAN4 will adjust the pressure
sensor linearity to match the P-T chart. This is
a fine adjustment and requires you to strictly
adhere to the procedure closely or you will
receive an error message "Err".
Limited Warranty
This meter 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 verification 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
fitness 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.
State laws vary. The above limitations or
exclusions may not apply to you.
Obtaining Service
Call Fieldpiece Instruments for current costs
on our fixed price warranty service. Send
check or money order for the amount quoted.
Send your digital manifold, freight prepaid, to
Fieldpiece Instruments. Send proof of date and
location of purchase for in-warranty service.
The meter will be repaired or replaced, at the
option of Fieldpiece, and returned via least cost
transportation.
www.fieldpiece.com
© Fieldpiece Instruments, Inc 2012; v14
!
WARNINGS
DO NOT APPLY MORE THAN 800 PSI TO ANY PORT ON THE MANIFOLD.
FOLLOW ALL EQUIPMENT MANUFACTURER'S TESTING PROCEDURES
ABOVE THOSE IN THIS MANUAL IN REGARDS TO PROPERLY
SERVICING THEIR EQUIPMENT.
