Specification

50M56D-751

Upgrades older “Edge Card” systems

to modern ignition electronics

Carrier

Single Stage HSI

Integrated Furnace Control

Flexible Design

Extra “fan only” blower speed tap

24V and 120V humidifier options

Advanced Diagnostics

Fault recall and clearing button

Tri-Color LED displays status and fault codes

Easy Installation & Service

Direct OEM mounting with pre-wired

ready-to-install control

Dipswitch selections and fault codes silk

screened on control

Flame current test pins

50M56D-751

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Carrier Single Stage HSI Integrated Furnace Control 50M56D-751 Upgrades older “Edge Card” systems to modern ignition electronics Easy Installation & Service Direct OEM mounting with pre-wired ready-to-install control Dipswitch selections and fault codes silk screened on control Flame current test pins Flexible Design Extra “fan only” blower speed tap 24V and 120V humidifier options Advanced Diagnostics Fault recall and clearing button Tri-Color LED displays status and fault codes 50M56D-751
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SPECIFICATIONS: Electrical Ratings Humidity Range Input Low Voltage: 24 VAC 60 Hz 5 - 95% relative humidity (non-condensing) Input Line Voltage: 120 VAC 60 Hz Gases Approved Max Input Current: 0.45 A @ 24 VAC relay contact ratings Natural, Manufactured, Mixed, Liquefied Petroleum, and LP Flame Current Requirements Gas-Air Mixtures Minimum current to ensure flame detection: 0.25 μA DC Dimensions Maximum current for non-detection: 0.1 μA DC 7.625” L x 8.5” W x 3.