Armstrong World Industries 182, 243, 302, 242, 122, 123, 203 Heatcraft Blower Control Board IBC-H4C401

Service Reference Manual UNIT COMPONENTS

5-7

Heatcraft Model IBC-H4C401

Blower Control Board Specifications Manufacturer: United Technologies Model: 1010-611

Armstrong P/N 39029B002 Operating Voltage: 18-30VAC 60 Hz 60 Hz Power Requirement: 4 VA max. Operating Temperature: – 40°F to +170°F

Wiring Connections: All Male .250" x .032" Quick Connect Tabs

Performance Specifications (all timings +/– 1 second):

Heating: On Delay Timing - 60 seconds

Off Delay Timing - 90 seconds

Cooling: On Delay Timing - 15 seconds

Off Delay Timing - 90 seconds

Heating and Cooling Output Rating:

12 F.L.A., 30 L.R.A. at 120VAC for 100,000 Cycles

10 F.L.A., 30 L.R.A. at 240VAC for 100,000 Cycles

Both heat and cool outputs cannot be energized simultaneously.

Cool Speed

L1 Power Out

Heat Speed

L1 Power Out

HEAT
L1 Line Voltage
COOL	M2

Dumb Terminal	L1
	HEATCRAFT
(Park)	M1

W C R G

Dumb Terminal (Park)

24 VAC Heat Call	24 VAC (Fan On/Cooling Fan Auto)
24 VAC Common	24 VAC Power

FIGURE 5-5 Heatcraft Blower Control Board IBC-H4C401

SRM-HW/HWC 2/99