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HSI Integrated Furnace Controls
Features 50A55-3797 50A65-5165 50V64-743
Control Type Single Stage Single Stage Two-Stage
Ignitor Voltage 120V 80 VAC 80 VAC
Versatility Replaces 10 Controls Replaces 13 controls Replaces 11 controls
Diagnostics Diagnostic LED Diagnostic LED
System Diagnostic
LED with Fault Recall
Dedicated Humidication
(Optional)
120V 120V 120V
Electronic Air Cleaner 120V 120V 120V
Mounting Drop-in Replacement Drop-in Replacement Drop-in Replacement
Fuses Included- on Board Included- on Board Included- on Board
Blower PSC PSC Variable Speed
Heat -On-Delay 45s 45s 45s
Selectable Heat -Off- Delay 60/100/140/180s 60/100/140/180s 60/100/140/180s
Cool-On-Delay 2s 2s 2s
Selectable Cool -Off- Delay 0/80s 0/80s N/A
Air Handler Control
Features 57T01-843
Control Type Time Delay Relay
Contact Ratings Power
Pole
(Amperes per pole)
208/240/277 VAC
Full Load / Locked Rotor 7A / 36A
Resistive 15A
U.L. Approved Horsepower 3/4 HP
Pilot Duty Pole
3 VA at 24 VAC (Minimum)
25 VA at 24 VAC
(Maximum)
Mounting Drop-in Replacement
Blower PSC
Input Voltage 24 VAC nominal
Total Power Consumption
0.5 VA (relay de-energized)
4.0 VA (relay energized)
Fixed Off-Delay 80s
Trane Furnace and Air Handler Controls
OEM Direct Replacement - Single and Two-Stage Applications
Cross Reference
50A55-3797
Replaces
50A65-5165
Replaces
50V64-743
Replaces
50A55-3797 50A65-474 50V64 495
50A55-474 50A65-475 50V64-507
50A55-476 50A65-476 50V64-743
50A55-571 50A65-5165 CNT 03777
CNT02789 CNT03076 CNT 04678
CNT02891 CNT03798 CNT 04985
CNT03799 CNT05164 CNT 05160
D341122P01 CNT05165 D342062P01
D341235P01 D341213P01 D342263P01
D341235P03 D341396P01 D342263P02
D341396P03 D342263P03
D341396P04
D341396P05
R-4455
Cross Reference
57T01-843
Replaces
C800924P01
RLY 2807
57T01-1
57T01-2
57T01-843
91-9301
NEW