Lennox S30 Quick Start Manual

Lennox
508294-01 July 2022
Mounting the Smart Hub
Step 1
Mount the smart hub to a vertical surface such
as a wall stud or roof truss web, or to a
Lennox S30 Installer Quick Start Guide
®
horizontal surface such as a floor or ceiling
508294-01 July 2022
joist, or a roof rafter.
Mounting the Smart Hub
NOTE: To ensure reliable connectivity, do not
Step 1
Mount the smart hub to a vertical surface such
as a wall stud or roof truss web, or to a
nning Wire and Mounting Sub-base
horizontal surface such as a floor or ceiling
joist, or a roof rafter.
C WARNING
NOTE: To ensure reliable connectivity, do not
mount to a metal surface, air handler, furnace
or ductwork.
Use sub-base as a template to mark the desired
Improper installation, adjustment, alteration, service or
WARNING
maintenance can cause property damage, personal
mounting hole locations on the wall.
injury or loss of life. Installation and service must be
Improper installation, adjustment, alteration, service or
performed by a licensed professional HVAC installer
Pull about three inches (75mm) of thermostat wire
maintenance can cause property damage, personal
(or equivalent) or a service agency.
injury or loss of life. Installation and service must be
performed by a licensed professional HVAC installer
hrough the opening and remove the outer thermostat
(or equivalent) or a service agency.
Making Wiring Connections and Attaching Thermostat
wire jacket.
Step 3
Making Wiring Connections and Attaching Thermostat
Step 3
Running Wire and Mounting Sub-base
Step 2
NOTE: For detailed wiring on different equipment
NOTE: For detailed wiring on different equipment
Install sub-base with arrow
configurations, please reference the S30
Installation and Setup Guide. Shielded wiring
A. Use sub-base as a template to mark the desired
is highly recommended for all communication
connections.
B. Pull about three inches (75mm) of thermostat wire
Use 1-pair, 18AWG unshielded thermostat cable (field-provided) for power terminals
(R, C, 12+ and 12-). We highly recommend using 18 - 22AWG shielded thermostat cable
for communications terminals (I+, I-, A and B) which will help eliminate any noise interference.
Use 1-pair, 18AWG unshielded thermostat cable (field-provided) for power terminals
(R, C, 12+ and 12-). We highly recommend using 18 - 22AWG shielded thermostat cable
for communications terminals (I+, I-, A and B) which will help eliminate any noise interference.
HD display sub-base
(REAR VIEW)
S30 Installer Quick Start Guide
®
Scan QR Code for S30
Installation and Setup Guide
mount to a metal surface, air handler, furnace
or ductwork.
Installation and Setup Guide
C
configurations, please reference the S30
pointing up.
Installation and Setup Guide. Shielded wiring
is highly recommended for all communication
connections. mounting hole locations on the wall.
IMPORTANT
through the opening and remove the outer thermostat
IMPORTANT
wire jacket.
Install sub-base with arrow
pointing up.
Install HD display with UP arrow pointing
Use smart hub as template to mark required
A
mounting holes on vertical surface.
THROUGH-HOLE
COMMBUS
+ -
R i+ I- C ACC1 ACC2 A B
Front
Scan QR Code for S30
C
1/4"
Terminals
(screw type)
Strip 1/4" insulation
C
back from end of
D
each control wire.
Outdoor Unit
Cut shield (drain) wire off
at this end
Seal wire hole in wall to prevent
cold or hot air from affecting the internal
temperature sensor of the HD display.
up when attaching to sub-base .
Use smart hub as template to mark required
A
mounting holes on vertical surface.
THROUGH-HOLE
COMMBUS
+
ACC1 ACC2 A
R i+ I- C
KEYHOLE
Front
1/4"
Back
B
Secure smart hub to
(screw type)
wall with
field-provided
Strip 1/4" insulation fasteners.
back from end of
each control wire.
COMMBUS
-
R i+ I- C ACC1 ACC2 + A B
Make connections to smart hub screw
terminals using wiring diagram in step 3.
Indoor Unit Controller
Outdoor Unit
Shield (drain) wire MUST
be connected to indoor unit
common terminal.
18AWG
18AWG
unshielded
unshielded
Cut shield (drain) wire off
at this end
18 or 22AWG 18 or 22AWG
shielded shielded
Shielded wire needs to be
connected to a common (C)
terminal.
Seal wire hole in wall to prevent
cold or hot air from affecting the internal
temperature sensor of the HD display.
KEYHOLE
WARNING
-
B
Back
Do not overtighten lower B
mounting screw, doing so
may damage smart hub.
Terminals
COMMBUS
ACC1 ACC2 + A B -
R i+ I- C
D
Make connections to smart hub s
terminals using wiring diagram in
Indoor Unit C
Smart Hub be con
COMMBUS
ACC1 ACC2
R i+ I- C + -
A B
C
Cut shield Cut shield (drain)
18AWG
(drain) wire
unshielded off at this end
18 or 22AWG
shielded
18 or 22AWG
shielded
Shield
Be careful n
conne
display. DO
termin
communicat
Se
wa
fie
fas
H
Shield
co
off at this