Lochinvar FTXL Installation instructions

CNX-I-O_100160920_2000001478_Rev C
is manual must only be used by a
qualied heating installer / service
technician. Read all instructions,
including this manual, the
Installation and Operation Manuals,
and the Service Manuals, before
installing. Perform steps in the
order given. Failure to comply could
result in severe personal injury, or
substantial property damage.
WARNING
Save this manual for future reference.
REMOTE CONNECT
INSTALLATION & OPERATION
INSTRUCTIONS
Models: FTXL, Knight, Armor,
& Shield

2
Contents
1. INTRODUCTION............................................................2
2. CON·X·US INSTALLATION
CON·X·US Board Layout ............................................ 2
List of Kit Components................................................ 3
Gain Access to the Interior of the Unit........................ 3
Installation Procedure.................................................. 4-7
3. CON·X·US REGISTRATION
Device Registration................................................................... 8-13
Site Manager...............................................................14
4. PERMISSIONS....................................................... 14-18
Site Manager...............................................................14
5. TROUBLESHOOTING.................................................19
Revision Notes................................................... Back Cover
1 Introduction
e information contained in this manual provides general guidelines for the implementation of the CON·X·US remote
communication device with Lochinvar boilers.
Now from virtually anywhere you can:
• Monitor boiler plant operating conditions at unlimited locations
• Re-program SMART SYSTEM control parameters
• Setup custom text or e-mail alerts for contractor and building owners/managers
IMG01101
ETHERNET PORT
LED 0 - LED 5
WI-FI CARD
DISPLAY RIBBON
CABLE CONNECTION
POLARITY
LED
CONTROL RIBBON CABLE
CONNECTION
WLAN LED
QR CODE
Figure 1-1_CON·X·US Board Components
CON·X·US board layout
LED 0 - LED 5
LED Description
LED 0 N/A
LED 1 Control to Display Communication Error
LED 2 CON·X·US Communication
LED 3 N/A
LED 4 Control to Display Communication
LED 5 Power Confirmation

3
2 CON·X·US Installation
Table 2A - List of kit components
To gain access to the
interior of the unit
1. Turn the main power OFF.
2. Turn the main manual gas shuto to the
appliance OFF.
3. Remove the front door panel (no tools
required).
Material
Number Description FTXL KB/WH/KH/
AW/SNR
Qty
100053762 SCREW, PHP, 6-32 X 1/4 STL 10 10
100134843 RIVET, NYLON PUSH 2 --
100134798 STAND-OFF, HEX 6-32 X 1/2 STL 4 4
100163015 BUSHING, SNAP 1-1/4" 2 --
100137491 CLIP, WIRE HARNESS, EXTRUDED 2 --
100094892 BOARD, CON·X·US 1 1
100189402 CABLE, RIBBON, 10 CIRCUIT X 74" 1 --
100190832 HARNESS, POWER, REMOTE, FTX 1 1
100172950 CABLE, RIBBON, 10 CIRCUIT X 14” -- 1
Recommended tool(s)
• #2 Phillips Head Screwdriver
• 8 mm Wrench or 5/16" Wrench
IMG01095
ON/OFF SWITCH
(ON REAR OF UNIT)
PROP ROD
PROP THE BEZEL UP
REMOVE FRONT PANEL
(no tools required)
Figure 2-1_Gain Access to the Interior of the Unit
Warning: Electrical Shock Hazard -- For
your safety, turn OFF electrical power supply
before making any electrical connections to
avoid possible electric shock. Failure to do
so can cause severe personal injury or death.
WARNING
Installation and Operation Instructions
NOTE: When required,
remove brace.
NOTE: FTXL shown for
illustration purposes only.

4
2 CON·X·US Installation
Installation procedure
1. Using four (4) 100053762 screws, install the four (4)
standos (100134798) into the four (4) small holes on the
front right side of the unit (see FIG.’s 2-2A through
2-2F).
2. Using four (4) 100053762 screws, install the CON·X·US
board (100094892) onto the standos installed in Step 2.
Installation and Operation Instructions
Part # Description
100265396 KIT,BRKT,BEZEL,CONXUS,KB
100265397 KIT,BRKT,BEZEL,CONXUS,WH
IMG01102
2X BUSHING, SNAP, 1-1/4"
4X SCREW,PHP,6-32 X1/4,STL
4X STAND-OFF, #6x1/2" HEX
CON·X·US BOARD
A
DETAIL A
2X RIVET, NYLON PUSH
2X HARNESS CLIPS
4X SCREW, PHP, 6-32 X 1/4 ST
L
Figure 2-2A_Install FTXL CON·X·US Board
NOTE: FTXL Models Only:
a. Install two (2) push rivets (100134843) on the right side of the unit (reference Detail A). Once installed attach the harness
clips (100137491) to the push rivets on the inside of the unit (Detail A), above the main control panel.
b. Install two (2) bushings (100163015) into the le and right side of the CON·X·US board.
Table 2B - List of bracket kits

5
2 CON·X·US Installation (continued)
Installation and Operation Instructions
INSTALL
RELAY,REMOTE
MONITORING
INSTALL 8X
SCREW,PHP,
6-32 X 1/4,STL
INSTALL 4X
STAND-OFF,HEX,6-32 X 1/2,STL,NICKEL
REMOVE 4X
SCREW,PHP,PLASTIT,#8X1/2,STL,ZINC
REMOVE 6X
SCREW,PHP,SHTMTL,,#10 X 1/2
REMOVE TOP
REMOVE FRONT
DOOR
REMOVE BEZEL
IMG01191
Figure 2-2B_Install KB CON·X·US Board
REMOVE 4X
SCREW,PHP,PLASTIT,#8X1/2,STL,ZINC
INSTALL 8X
SCREW,PHP,6-32 X 1/4,STL
INSTALL 4X
STAND-OFF,HEX,6-32 X 1/2,STL,NICKEL
INSTALL RELAY,
REMOTE MONITORING
IMG01193
REMOVE FRONT DOOR
REMOVE 2X
SCREW,PHP,SHTMTL,#10X1/2
REMOVE BEZEL
Figure 2-2C_Install WH CON·X·US Board
NOTE: On units purchased after Serial #1915 the bezel bracket will not be required. If purchased between Serial #H10 to D15
the bezel bracket (see Table 2B on page 4) is required. Be certain to record the CON·X·US board QR code (see FIG. 3-9 on page
12) before mounting the bezel to the unit.
NOTE: On units purchased after Serial #1915 the bezel bracket will not be required. If purchased between Serial #H10 to D15 the
bezel bracket (see Table 2B on page 4) is required. Units purchased prior to Serial #H10 are not compatible.

2 CON·X·US Installation
Installation and Operation Instructions
Figure 2-2D_Install KH CON·X·US Board
DIR# 2000538292 00
REMOVE BEZEL
REMOVE FRONT DOOR
INSTALL RELAY,
REMOTE MONITORING
DIR# 2000538313 00
INSTALL 4X
STAND-OFF,HEX,
6-32 X 1/2,STL,NICKEL
INSTALL 8X
SCREW,PHP,6-32 X 1/4,STL
REMOVE 4X
SCREW,PHP,PLASTIT,#8X1/2,STL,ZINC
6
Figure 2-2E_Install AW CON·X·US Board
DIR# 2000538564 00
REMOVE BEZEL
REMOVE FRONT DOOR
REMOVE 4X
SCREW,PHP,PLASTIT,#8X1/2,STL,ZINC
INSTALL RELAY,
REMOTE MONITORING
INSTALL 4X
STAND-OFF,HEX,
6-32 X 1/2,STL,NICKEL

DIR# 2000540180 00
CON·X·US BOARD
INSTALL STAND-OFF, HEX,
6-32 X 1/2, STL, NICKEL &
SCREW,PHP,6-32 X 1/4,STL
SECONDARY
24V 60VA
TRANSFORMER
IMG01192
MAIN CONTROL BOARD
CONXUS BOARD CONTROL,USER INTERFACE
CONXUS
POWER HARNESS
UNIT HARNESS
MAIN CONTROL RIBBON CABLE TO CONXUS
CONXUS KIT RIBBON CABLE TO USER INTERFACE
7
2 CON·X·US Installation (continued)
3. Connect the 24 volt power harness 100190832 in series with the 24 volt side of the transformer and the other end of the power
harness to the CON·X·US board (see FIG. 2-3).
4. Disconnect the ribbon cable from the rear of the display board and route it to the ribbon cable plug on the CON·X·US board
labeled BIC (remove the ribbon cable from the clip underneath the bezel.
5. Connect the ribbon cable (100189402) to the rear of the display and route on the le side of the CON·X·US board and connect
it to the ribbon cable plug labeled DU (see FIG. 2-3).
6. Reinstall the front panel.
7. Turn the power and gas back ON to the unit and resume operation.
Figure 2-3_Wiring Schematic
Installation and Operation Instructions
Figure 2-2F_Install SNR CON·X·US Board

8
3 CON·X·US Registration
Device Registration
1. Search for the CON·X·US board just like you would search for a Wi-Fi connection on your device. Ensure that your green
LED light is ON and that the WLAN LED is OFF.
2. Connect to the device named CON·X·US as shown in FIG. 3-1.
south
Connect to CON·X·US
Figure 3-1_Device Connection
Installation and Operation Instructions
NOTICE e screens depicted in this manual are to be used for illustration purposes only.
If your CON·X·US board was installed in a boiler prior to this one, you may experience longer wait times
for the CON·X·US link to appear.
NOTICE

9
3 CON·X·US Registration (continued)
3. Once connected to the CON·X·US board, you should be redirected to a Login page. Note: If you are not redirected, open
your internet browser and type 192.168.0.1 in the address bar and click GO. At this point, you are choosing the network you
would like the CON·X·US board to be linked with. If the network is secure you will have to enter in the password for the
network.
Figure 3-2_Choose Network
Choose your
network
Click “Connect”
on the network
of your choice
south
4. Enter the security password for your network and click CONNECT.
Figure 3-3_Enter Password
Enter Wi-Fi
password and
click “Connect”
Installation and Operation Instructions

10
3 CON·X·US Registration
5. Your screen should tell you when the WiFi connection is complete. You will also notice a WLAN LED light on the upper le side
of the CON·X·US board once the CON·X·US board is connected to your internet source.
Figure 3-4_Connection Complete
6. Download the Android App on Google Play or the Apple App from the App Store.
Figure 3-5_Click on App
Installation and Operation Instructions
NOTICE To run the CON·X·US App on your device (Tablet/Phone) you must have a version of iOS 7.0 or above or
Android 4.0 or above.
7. Once installation is complete, click on the CON·X·US App (logo) on your Tablet/Phone.