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2850 Ravenswood Road, Fort Lauderdale, FL 33312 U.S.A.

Customer Service: 800.323.2111 • 954.584.2000 • Fax: 954.587.0109 

info@uniweld.com • www.uniweld.com

55.4 87.7

107.9 309.5

T1 ˚F

T2

Lo

Hi

Psig

APO

HOLD   MAX   MIN

Psig

MENU

PAIR

O

Enter

Right

––––

Hold

Left

––––

Max Min

Down

––––

Up

––––

+

TM

MENU

PAIR

Right

––––

Hold

Left

––––

Max Min

O

Power Button, Hold for 2 seconds to power On/OFF meter.

Backlight Button, On/OFF 

 

Menu Button, push to enter menu functions

 

Left or Max/Min Button, Push once to activate 

and repeat to cycle through options

 

Right or Hold Button, Push once to activate.  

Push again to deactivate

Pair Button, On/Off  Wireless BLE Module. 

When powered on, the wireless 

module will strobe when searching for smart 

device. When connected with smart device, 

symbol will indicate signal strength.

Display Features

Temperature Readings:

T1 

Low Side Temperature 

T2 

High Side Temperature

ºC 

Degree Celsius

ºF 

Degree Fahrenheit

Pressure Readings:

Lo 

Low Side Pressure

Hi

 

High Side Pressure

Psig 

Pressure (pounds/in

2

)

Bar 

Pressure (bar)

kPa 

Pressure (kilo-Pascals)

Kg/cm

2

  Pressure (kilograms/centimeter

2

)

inHg 

Negative Pressure (inches of mercury)

cmHg 

Negative Pressure (cm of mercury)

Hold 

Value is held

Max 

Show maximum value in record mode

Min 

Show minimum value in record mode

APO 

Auto Power Off enabled, Settings; 30 Min., 120 Min. or Manual    

 ON/OFF

 

Battery Life indicator

 

When powered on, the wireless module will strobe while searching 

 

for smart device. When connected with smart device, symbol will  

 

indicate wireless connection strength.

Controls

Down

––––

Up

––––

+

MENU

Right

––––

Hold

Left

––––

Max Min

O

ROTATE

RUBBER

BOOT

Enter

Getting Started

 

1. Install (6) AA batteries by removing the protective rubber boot. Start at the top 

of the meter and rotate boot around meter to gain access to the rear battery 

compartment. NOTE: Do not peel back and bend the protective rubber boot 

as this may stretch and deform the material.

2. Hold the                

Power Button

 for 2 seconds to power on your new manifold.

3. Connect hoses and temperature clamps to manifold; use the Velcro cable straps 

to organize the lead wires onto the blue and red hoses. Attach  protective padded

case and secure to meter with velco straps.

4. Download the free Uniweld SmarTech Digital Manifold app on your compatible 

smart device from the Google Play Store or the Apple App Store.

Open app and send email registration; once completed the app will open and 

appear on your smart device. 

You are now ready to   CONNECT   to the SmarTech Manifold.

5. Turn on the SmarTech Manifold and press   CONNECT   on the app. 

Press   SCAN     and the USMAN device will appear. Press  CONNECT    (wait 5 

seconds), your meter will beep once confirming connectivity.                         

6. Press            to go back to the Home Screen and view system’s real-time pressures, 

temperatures, Superheat and Subcooling readings.   CONNECT   will change to

                        indicating connectivity.

UNBOXING

Menu Navigation

 

Menu button accesses Auto Power, Pressure, and Temperature

 preferences.

 

Right and Left buttons navigate menu options.

 

 

Up and Down buttons change the preference 

 

in the menu.  

 

Enter button selects the preference.

Press the SmarTech logo to visit the 

website for tutorial videos, FAQ, 

and Resources.

Export a SmarTech Verified Report and 

email system performance data as a PDF 

or CSV file that can be easily tracked and 

saved. Images from the jobsite can be 

attached to the email for a complete 

back up report before and after the

work is completed.

 

Enter data for Company Information, 

Project Details, and Project Notes 

that will be saved and automatically 

appear in the SmarTech Verified Report. 

Project Details and Project Notes must 

be edited for each job location.

Device Settings for Wireless 

and Manual Input, Superheat and 

Subcooling Input, Elevation, Email 

Preferences, and Update Profile. 

There are also instructions for 

restoring the meter to Factory 

Default, Temperature and Pressure 

Calibration, and selecting Pressure 

and Temperature preferences.

Pressing the HOME button will take you back to the 

Home Screen.

Home Screen

Home Screen Icons

EMAIL 

REPORT

SETTINGS

HOME

REPORT

CONNECT

CONNECTED

Select from

109 refrigerant

profiles and

create saved list

or

or

R-410A

35.0

VAPOR SATURATION

F

F

F

F

LIQUID SATURATION

98.0

107.9

LOW SIDE

 

PSIG HIGH SIDE

 

PSIG

309.5

TARGET
ACTUAL

10.0

10.3

LOW TEMP

55.4

HIGH TEMP

87.7

OUTDOOR DRY BULB

INDOOR WET BULB

RETURN AIR DRY BULB

SUPPLY AIR DRY BULB

DELTA T

 

F

F

F

F

F

DIFF.

00.3

F

F

F

SUBCOOLING (TXV)

SUPERHEAT (NON-TXV)

TM

SUPERHEAT (NON-TXV)

NON-TXV

PUSH HERE

NON-TXV

PUSH HERE

TXV

PUSH HERE

MANUAL

DATA

ENTRY

82.4

57.0

68.4

20.2

48.2

TARGET

System is

over charged

with refrigerant

and requires 

removal of excess

refrigerant 

ACTUAL

10.0

14.6

F
F

DIFF.

4.6

F

SUBCOOLING 

(TXV)

RED ZONE

TARGET

System is 

properly charged 

for maximum

efficiency and

optimal performance

ACTUAL

10.0

10.3

F
F

DIFF.

0.3

F

SUBCOOLING 

(TXV)

GREEN ZONE

TARGET

System is 

under charged 

and requires

additional 

refrigerant

ACTUAL

10.0

4.2

F
F

DIFF.

5.8

F

SUBCOOLING 

(TXV)

BLUE ZONE

SMART CHARGE ZONE™

Color coded differential for 

accurate “In the Zone” system charge.

APP

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