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Enter the target vacuum pressure and press “Save.” 

Follow the same process for the Hold Time. Once 

the system vacuum level reaches the target pressure, the target pressure box will turn green and the 
timer corresponding to the hold time will begin. If the system maintains the target pressure throughout 
the duration of the hold time. a message will appear indicating that the target hold time test has 
completed. The vacuum reading assignment is stored in the app memory for future sessions, but the 
assignment can be changed at any time by pressing on the system vacuum reading. 

Create Datalog 

Datalogs can be created to log readings during 
any of the 3 session types. To start a datalog 
from within any session, press on the three-dot 
icon in the upper right corner of the screen and 

select “Create Datalog.”

 From this screen you 

can select the logging rate, which is how 
frequently the readings will be logged, and 
which session type to log readings from. 
Multiple session types can be selected if 
desired, but keep in mind that only one session 
readings screen can be displayed within the app 
at any given time. Once the logging rate and 
session type(s) have been selected, press 

“Save.”

 A recording icon and timer will display in 

the lower right corner of the screen. When you 
are ready to start recording data, press on the 

red circle “record” icon to begin the datalog. 

The timer will count from the time that the 
datalog was started. When you are ready to 

stop the datalog, press on the red square “stop” 

icon. You can then select to either save or 
discard the log file. If you wish to save the log 
file, a list of available save options will appear. 

 
 
 
 
P51-870 TITAN® Digital Manifold 

 Update V2.0X 

For communication between your P51-870 TITAN® Digital Manifold and the YJACK VIEW

 App, as well 

as the YJACK

 Series of Bluetooth® Sensing devices, the P51-870 TITAN® firmware must be version 

V2.01 or later. All P51-870 TITAN® Digital Manifolds manufactured in 2019 and earlier were produced 
with firmware version V1.XX and must be updated. These manifolds will have a serial number and 
Bluetooth ID starting with YJP51-1XXX-XXXX. If your P51-870 TITAN® serial number and Bluetooth® ID is 
YJP51-2XXX-XXXX, it was produced with firmware version V2.0X and is already configured for 

Summary of Contents for YJACK Series

Page 1: ...YJACK Series Bluetooth Sensing Technology User Manual Product Guide Rev A...

Page 2: ...ces 3 Powering the device on 3 Placing the device on the system 4 Status LED what does it mean 5 Changing the batteries 5 With a P51 870 TITAN Digital Manifold 5 With the YJACK VIEW smart application...

Page 3: ...tton which can provide feedback as to the device s current mode of operation During normal operation the status indicator LED will flash yellow once every two seconds to indicate that a measurement ha...

Page 4: ...strument serviced Do not operate the instrument around explosive gas vapor or dust The refrigerant database used in conjunction with these tools may include refrigerants classi edas ammable If such re...

Page 5: ...Avoid attaching the strap over areas of pipe that are coated or insulated as this may impact the accuracy of the system temperature reading If there is a ferrous metal surface near the placement of t...

Page 6: ...e 2 new AAA batteries into the battery holder Reference the required polarity of the batteries molded into the battery holder Replace the battery door by inserting the tab on the inside edge of the do...

Page 7: ...side and the right side of the display is the return air The P51 870 TITAN graphs the supply and return air relative humidity and dry bulb temperatures Below the graphs are the numeric values of the r...

Page 8: ...f configurable settings will appear including General Settings Create Datalog Change Refrigerant and Change Elevation First access the General Settings This screen will allow you to set your preferred...

Page 9: ...ed the system pressure and temperature measurements will need to be assigned to the specific P51 870 TITAN and YJACK devices being used Press on the 3 dashes within the Low Pressure measurement box A...

Page 10: ...played The system readings assignments are stored in the app memory for future sessions but the assignments can be changed at any time by pressing on the reading that is to be changed Psychrometric Ai...

Page 11: ...the correct P51 870 TITAN being used in conjunction with the vacuum probe Above the device selection there is also a list of reading display options Pressures can be displayed as a large digital numbe...

Page 12: ...only one session readings screen can be displayed within the app at any given time Once the logging rate and session type s have been selected press Save A recording icon and timer will display in the...

Page 13: ...er of the screen If you do not see this text above the EXIT button your P51 870 TITAN will need to be updated There are 2 separate firmware updates one is for the P51 870 TITAN radio which allows for...

Page 14: ...completed access the general settings screen on your P51 870 TITAN by clicking the gear icon in the upper right hand corner of the display and confirm that the firmware and radio versions displayed ar...

Page 15: ...onnections YJACK 6 Connections Max Connections P51 870 TITAN 2 Connections Auto Off Timer 30 minutes w o readings Bluetooth Range 400 feet 122 meters line of sight Radio interference and nearby obstru...

Page 16: ...e signal strength Results may vary with ambient conditions YJACK DEW Psychrometer Specifications 67063 YJACK DEW Psychrometer Measurement Type Psychrometric Temp Humidity Weight 0 38 lb Dimensions inc...

Page 17: ...aneously to maximize the connection range even in environments with multiple obstructions Q Why doesn t my P51 870 TITAN show up on the list of available devices within the YJACK VIEW app A The radio...

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