Instructions / Assembly

50M56U-801
Single Stage | Direct | HSI
Integrated Furnace Control Kit
INSTALLATION INSTRUCTIONS
FAILURE TO READ AND FOLLOW ALL INSTRUCTIONS CAREFULLY BEFORE
INSTALLING OR OPERATING THIS CONTROL COULD CAUSE PERSONAL
INJURY AND/OR PROPERTY DAMAGE.
Description ........................................................................................................................................................................ Page 1
Electrical Specifications .................................................................................................................................................... Page 1
Installation ......................................................................................................................................................................... Page 2
Wiring Diagram ................................................................................................................................................................. Page 3
Operation .......................................................................................................................................................................... Page 4
System Lockout and Diagnostic Features ......................................................................................................................... Page 5
Troubleshooting ................................................................................................................................................................. Page 5
Definition of Terms and Timing Specifications ................................................................................................................... Page 7
DESCRIPTION
ELECTRICAL SPECIFICATIONS
CONTENTS
The 50M56U-801 kit is a HSI Integrated Furnace Control designed
to replace virtually all 120V Lennox HSI single stage furnace
controls using a PSC blower motor. It employs a microprocessor
to continually monitor, analyze, and control the proper operation
of the gas burner, inducer, and fan. The Kit contains:
white-rodgers.com
emersonclimate.com
PART NO. 37-7616B
37-7616A
1620
50M56-801 Integrated Furnace Control
2 Harness Assemblies
Control Label
Wire Ties
Installation Instructions
Electrical Specication [@77 deg F (25 deg C)]
Input Voltage 25 VAC 60Hz
Max Input Current .45A @ 25 VAC
Gas Valve Relay 1.5 amp 0.6 PF @ 30 VAC
Ignitor Relay 1.2 amp @ 120 VAC
Inducer Relay 2.8 amp @ 120 VAC
Circulator Relay 10 amp FLA @ 120 VAC
Circulator Relay 25 amp LRA @ 120 VAC
Humidier Load 1.0 amp @ 24 VAC or 120 VAC
Electronic Air Cleaner 1.0 amp @ 120 VAC
Minimum current to insure ame detection 0.25 µa DC*
Maximum current for non-detection 0.1 µa DC*
Maximum allowable leakage resistance 100 M ohms
Operating Temperature Range
-40° to 175°F (-40° to 80°C)
HUMIDITY RANGE:
5% to 93% relative humidity (non-condensing)
MOUNTING
Surface mount standoffs
Gases Approved
Natural, Manufactured, Mixed, Liqueed Petroleum, and LP Gas Air Mixtures are all approved for use.
Timing Specication
Flame Establishing Time 0.8 sec
Flame Failure Response Time 2.0 sec
*Measured with a DC microammeter in the ame probe lead

Summary of content (16 pages)