Emerson White-Rodgers 48C21-707 Mode D'emploi

FAILURE TO READ AND FOLLOW ALL INSTRUCTIONS CAREFULLY
BEFORE INSTALLING OR OPERATING THIS CONTROL COULD CAUSE
PERSONAL INJURY AND/OR PROPERTY DAMAGE.
The 48C21-707 is an Air Handler 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 @ 25 VAC
Relay Load Ratings: Heat, N. O. (K1 & K2) (W1, W2):
0.200 amp @ 24 VAC, pilot duty
Operating Temperature Range:
-40° to 175°F (-40° to 80°C)
Humidity Range:
5 to 95% relative humidity (non-condensing)
Agency Approvals:
UR USA / Canada
48C21-707
Air Handler Control for Variable Speed Fan
INSTALLATION INSTRUCTIONS
Parts included:
• 48C21-707 Air Handler Control
• Control Label
• Installation Instructions
white-rodgers.com
emerson.com
DESCRIPTION
SPECIFICATIONS
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 heat-
ing system until installa-
tion is complete.
PART NO. 37-7669001
1711