Lochinvar CON-X-US FTXL Installation instructions

CNX-I-O_100160920_2000001478_Rev F
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
CON·X·US Board Layout ............................................ 2
2. CON·X·US INSTALLATION
List of Kit Components ................................................ 3
Gain Access to the Interior of the Unit ........................ 3
Installation Procedure.................................................. 4-9
3. CON·X·US REGISTRATION
Device Registration.................................................................. .10-15
4. PERMISSIONS....................................................... 16-20
Site Manager ............................................................... 16
5. TROUBLESHOOTING................................................. 21
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
Figure 1-1_CON·X·US Board Components
CON·X·US board layout
Status LED Color Description
Blue solid, then green-blue Access point is ON and ready to be congured by web browser
Cyan (light blue) solid Device is connected to Ayla
Green and blue rapidly alternate Device is disconnected from wi
Blue solid, then cyan solid, then orange solid Access point is enabled and BIC is in lockout state
Cyan solid, then blinking orange Device is connected to Ayla and BIC is in lockout state
Green and blue alternating, then orange solid Device is disconnected from Ayla and BIC is in lockout state
Blue solid, then green-blue solid, then white Access point is enabled and BIC is disconnected
Cyan and white alternating Device is connected to Ayla and BIC is disconnected
Green and blue rapidly alternating, then white Device is disconnected from Ayla and BIC
*The power LED will be green when power is supplied to the unit.
100359289
ETHERNET PORT WI-FI MODULE
POWER LED
STATUS LED
DISPLAY ROBBON
CABLE CONNECTION
CONTROL RIBBON
CABLE CONNECTION

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
100134843 RIVET, NYLON PUSH 2 -- --
100163015 BUSHING, SNAP 1-1/4" 2 -- --
100137491 CLIP, WIRE HARNESS, EXTRUDED 2 -- --
100359289 BOARD, CON·X·US 1 1 1
100189402 CABLE, RIBBON, 10 CIRCUIT X 74" 1 -- --
100172950 CABLE, RIBBON, 10 CIRCUIT X 14" -- 1 1
100134696 NUT, LOCK, 6-32 X .178, STL, ZINC 10 10 --
100371925 PLATE, CONXUS, BOARD 1 1 --
100328008 SCREW, PHP, 6-32 X 3/8, STL 6 6 8
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 PANE
L
(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) 100328008 screws and four (4) 100134696
nuts, install the plate onto the bezel.
2. Using four (4) 100134696 nuts, install the CON-X-US
board with standos onto the plate.
Installation and Operation Instructions
Part # Description
100265396 KIT,BRKT,BEZEL,CONXUS,KB
100265397 KIT,BRKT,BEZEL,CONXUS,WH
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
A
2000629418 00
4X SCREW, PHP, 6-32 X 1/4 STL
8X NUT, LOCK, 6-32 X .178, STL, ZINC
2X BUSING, SNAP, 1-1/4"
PLATE, CON•X•US, BOARD
2X RIVET, NYLON PUSH
CON•X•US BOARD
DETAIL A
2X HARNESS CLIPS

5
2 CON·X·US Installation (continued)
Installation and Operation Instructions
Figure 2-2B_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
14) before mounting the bezel to the unit.
Figure 2-2C_Install KH CON·X·US Board
2000629442 00
REMOVE BEZEL
REMOVE FRONT DOOR
4X SCREW, PHP, 6-32 X 3/8 STL
8X NUT, LOCK, 6-32 X .178, STL, ZINC
CON•X•US BOARD
PLATE, CON•X•US, BOARD
2000629371 00
REMOVE FRONT DOOR
REMOVE BEZEL
CON•X•US BOARD
PLATE, CON•X•US, BOARD
4X, SCREW, PHP, 6-32 X 3/8, STL
4X NUT, ;PCL, 6-32 X .178,
STL, ZINC
REMOVE 4X, SCREW, PHP, 6-32 X 3/8, STL
4X NUT, ;PCL, 6-32 X .178,
STL, ZINC

2 CON·X·US Installation
Installation and Operation Instructions
6
Figure 2-2D_Install AW CON·X·US Board
A
DIR #2000590327
DETAIL A
CON•X•US BOARD
Figure 2-2E_Install SNR CON·X·US Board
3. 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.
4. 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).
5. Reinstall the front panel.
6. Turn the power and gas back ON to the unit and resume operation.
2000629473 00
REMOVE BEZEL
REMOVE FRONT DOOR
CON•X•US BOARD
4X NUT, LOCK, 6-32 X .178,
STL, ZINC
4X NUT, LOCK, 6-32 X .178,
STL, ZINC
4X SCREW, PHP, 6-32 X 3/8,
STL
PLATE, CON•X•US, BOARD

7
2 CON·X·US Installation (continued)
Installation and Operation Instructions
Figure 2-3_Wiring Schematic

8
2 CON·X·US Installation
Installation and Operation Instructions
DIR 2000590531
DETAIL A
Figure 2-4_Install SWA/R CON·X·US Board
Installation procedure
SWA/R Models Only
1. Turn OFF the main power and gas supply to the unit.
2. Remove the upper front bezel by removing the six (6) thumb screws from around the bezel (FIG. 2-4).
3. Locate the appropriate bracket from this kit and install the CONXUS board (FIGs: 2-5A and 2-5B)
Figure 2-5B_Install CON·X·US Board Onto Bracket
Models SWA/R 285 - 500
Figure 2-5A_Install CON·X·US Board Onto Bracket
Models SWA/R 125 - 200
DIR #2000590078
DIR #2000590123

9
2 CON·X·US Installation (continued)
Installation and Operation Instructions
DIR 2000590129
INSTALL
WIRE CLIP
Figure 2-5C_Install Board and Bracket Assembly onto
Heat Exchanger Frame_Models 125 - 200
4. Install the board and bracket assembly onto the heat exchanger frame in the appropriate location as shown in FIGs 2-5C
and 2-5D.
5. Disconnect the ribbon cable from the control board and route it to the ribbon cable plug on the CONXUS board labeled
DU.
6. Locate the longer ribbon cable from this kit and connect it to the ribbon cable plug on the main control board and
connect it to the ribbon cable plug labeled BIC on the CON X US board. Secure the ribbon cable in the unit harness clips
where possible. Conrm wiring connections using FIG. 2-3 on page 7.
7. Replace the upper front bezel and reinstall the six (6) thumb screws to secure the bezel.
8. Turn ON the main power and gas supply to the unit and resume operation.
DIR #2000590161
Figure 2-5D_Install Board and Bracket Assembly onto
Heat Exchanger Frame_Models 285 - 500

10
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. e LED light on the
board will alternately ash blue and green when it is ready to connect.
2. Connect to the device named Herald - (MAC Address of the device listed on the board) as shown in FIG. 3-1.
south
Herald - (MAC address)
Connect to Herald -
(MAC address of the
device listed on the
board)
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