Alternate Wall Thermostats; 3-Speed Fan Switch And On-Off Switch; Wall Thermostat (Sunne) With Manual 3-Speed Fan Switch And On-Off Switch - Carrier 42 SERIES Application Data

Fan coil units control selection guide for fan coil air conditioners
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ALTERNATE WALL THERMOSTATS

Wall Thermostat (Honeywell Model T4039) with
Manual 3-Speed Fan Switch and ON-OFF Switch
Temperature range is approximately 55 to 95 F in 10° F
increments from 75 F midpoint. Scale is marked warmer-
cooler. Thermostat mounts in 4-in. square junction box or
2-ganged outlet boxes.
SYSTEM
2-Pipe Cooling Only
2-Pipe Heating Only
2-Pipe Heating/Cooling†
2-Pipe w/Total Electric Heat
4-Pipe Heating/Cooling
2-Pipe w/Auxiliary Electric Heat††
*Fan off breaks cooling circuit and fan.
†Includes one remote-mounted changeover on unit
**Fan off breaks both heating/cooling circuits and fan.
†† Includes 2 remote-mounted changeovers on unit.
NOTE: All above packages include thermostat, ON-OFF switch and HI-
MED-LOW switch.
Thermostat Electrical Ratings (Amperes)
Thermostat (Valve Load)
VOLTAGE
NORMAL
120V AC
240V AC
277V AC
Fan Switch
VOLTAGE
FULL LOAD
120V AC
5.50
240V AC
2.75
277V AC
2.40
Wall Thermostat (Sunne Model 154) with Manual

3-Speed Fan Switch and ON-OFF Switch

Temperature range is approximately 55 to 95 F in 10° F
increments from 75 F midpoint. Scale is marked warmer-
cooler. Thermostat mounts in 4-in. square junction box or
2-ganged outlet boxes.
SYSTEM
2-Pipe, Cooling Only
2-Pipe, Heating Only
2-Pipe, Heating/Cooling
with Auto. Changeover*
2-Pipe, Heating/Cooling
with Manual Changeover
2-Pipe, Cooling with Total Electric
Heat and Auto. Changeover.
2-Pipe, Cooling with Total Electric
Heat and Manual Changeover
2-Pipe, Heating/Cooling with Auxiliary
Electric Heat and Auto. Changeover†
2-Pipe, Heating/Cooling with Auxiliary
Electric Heat and Manual Changeover
4-Pipe, Heating/Cooling with
Auto. Changeover
4-Pipe, Heating/Cooling with
Manual Changeover
*Includes one remote mounted changeover on unit.
†Includes 2 remote mounted changeovers on unit.
NOTE: All of the above packages include thermostat, ON-OFF switch and
HI-MED-LOW switch.
Thermostat and Fan Switch Electrical Ratings
INDUCTIVE
VOLTAGE
FLA
125V AC
5.8
240V AC
4.9
277V AC
4.1
MODEL
PACKAGE
T4039B*
23-05
T4039F*
23-03
T4039F*
23-01
T4039M**
23-07
T4039M**
23-07
T4039M**
23-09
IN-RUSH
0.32
1.00
0.16
0.50
0.14
0.43
LOCKED ROTOR
33.0
16.5
14.4
MODEL
PACKAGE
TC154-004
23-06
TC154-004
23-04
TC154-004
23-02
TC154-014
23-12
TC154-003
23-08
TC154-014
23-14
TC154-003
23-10
TC154-014
23-16
TC154-003
23-08
TC154-014
23-14
PILOT DUTY
LRA
34.8
125 VA
29.4
125 VA
24.6
125 VA
FAN
HI
MED
LO
OFF
ON
HONEYWELL MODEL T4039
SUNNE MODEL 154
11
THERMOSTAT
HEAT
OFF
COOL
HI
F
A
MED
N
LO
THERMOSTAT
WA RM

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