Outdoor Equipment; Indoor Equipment - Honeywell S9240F2051 Installation Instructions Manual

S9240F2051 MODULATING INTEGRATED FURNACE CONTROL
Terminal Type
4-position screw terminal block
(#5 screw)
Straight Spade Quick Connect
4-position screw terminal block
(#5 screw)
4-position screw terminal block
(#5 screw)
2-position screw terminal block
(#5 screw)
12-pin connector (male terminals)
6-pin connector (male terminals)
Terminal Type
2 pin connector (male terminals)
3-pin connector (male terminals)
Straight Spade Quick-connect
.
Jumper
W915 - 2-Stage Compressor
W951 - Heat Pump
W914 - Dehumidifier
69-2807—01
Table 1. Wiring Connections - Class 2 - Low Voltage. (Continued)
Connection/Label
Outdoor Sensor
(optional)
Discharge Air Sensor
(optional)
Flame Sense
R
I +
I -
C
R
I +
I -
C
I + (optional)
I - (optional)
Main Harness
Circulator Motor
Table 2. Wiring Connections - Class 1 - Line Voltage. (Continued)
Connection/Label
Igniter
CAI Connector
Humidifier
EAC
L1 connectors
Neutrals
Table 3. Jumpers.
Board label
(see Fig. 1)
W915
W951
W914
Board label
(see Fig. 1)
If used: Outdoor air sensor
E4
If used: Discharge air sensor
E42 Flame signal input
24 Vac supply from transformer
Communication High connection
OUTDOOR
EQUIPMENT
Communication Low connection
Common 24 Vac return to transformer
24 Vac supply from transformer
Communication High connection
INDOOR
EQUIPMENT
Communication Low connection
Common 24 Vac return to transformer
Auxiliary Communication High connection
E33
Auxiliary Communication Low connection
Main valve, pressure switches, rollout, limit,
J2
chassis ground, and 24 Vac
Motor serial control interface and furnace size
P79
select input
Board label
(see Fig. 1)
P77 – HSI Igniter interface
J3 – CAI 3-phase AC power
HUM Humidifier 120 Vac output
EAC Electronic air cleaner 120 Vac output
E34, E35, and Any L1 connector can be used for
• 120 Vac Main input
E41
• Transformer 120 Vac output
• Circulator 120 Vac output
E36, E37, Any neutral connector can be used for:
• 120 Vac Input neutral
E38, E39,
• Transformer neutral
and E40
• Electronic air cleaner neutral
• Circulator neutral
• Humidifier neutral
UNCUT: Single stage compressor (factory default)
CUT: 2-stage compressor
UNCUT: Compressor heating disabled (factory default)
CUT: Compressor heating enabled
UNCUT: Dehumidifying operation disabled
(factory default)
CUT: Dehumidifying operation enabled
4
Connects S9240F to:
Connects S9240F to:
Action: