FAILURE TO READ AND FOLLOW ALL INSTRUCTIONS CAREFULLY BEFORE
INSTALLING OR OPERATING THIS CONTROL COULD CAUSE PERSONAL
INJURY AND/OR PROPERTY DAMAGE.
The 50C51-707 is a Two-Stage HSI Integrated Furnace
Control for Goodman Variable Speed blower applications. This
control is designed to work as part of a fully communicating
HVAC system using 4 wires or legacy 24 VAC inputs to
support non-communicating systems.
ELECTRICAL RATINGS:
Input Voltage:
24 VAC, 60 Hz (Class II transformer)
Current: 0
.8A @ 24 VAC
Relay Load Ratings:
Gas Valve Relays: 1.5 amp 0.6 PF @ 24 VAC
Ignitor Relay: 4.0 amp @ 120 VAC
Inducer Relay: 2.2 FLA – 3.5 LRA @ 120 VAC
Flame Current Requirements:
Min current to insure flame detection: 0.3 μA DC*
Max current for non-detection: 0.1 μA DC*
Max allowable leakage resistance: 100 M ohms
* Measured with a DC microammeter in series with the flame
probe lead
Operating Temperature Range:
-40° to 175°F (-40° to 80°C)
Humidity Range:
5 to 95% relative humidity (non-condensing)
Agency Approvals:
CSA USA / Canada
Gases Approved:
Natural, Manufactured, Mixed,
Liquid Petroleum, and LP Gas Air Mixtures.
Parts included:
• 50C51-707 Integrated Furnace Control
• Control Label
• Installation Instructions
white-rodgers.com
emerson.com
50C51-707
Two-Stage Integrated Furnace Control
for Furnace with Variable Speed Fan
INSTALLATION INSTRUCTIONS
CAUTION
!
Risk of Electric Shock.
Disconnect electric power
to system until installation
is complete. Do not use on
circuit exceeding specified
voltage. Higher voltage will
damage control and could
cause shock or fire hazard.
This control is not intended
for use in locations where
it may come in contact with
water.
May cause flame rollout.
Shut off main gas to heating
system until installation is
complete.
DESCRIPTION
SPECIFICATIONS
PART NO. 37-7668001
1712