Armstrong World Industries Armstrong Air Conditioner Manual and Specifications for Model 38HWC183A

SPECIFICATIONS Magic-Pak: HW/HWC

2-4

HWC123, 183, 243, 303

(w/United Technologies 1097 Spark Ignition System)

208/230-1-60

COPPER CONDUCTORS

CIRCUITS ENERGIZED

OPERATING MODE

CIRCUIT

POWER SUPPLY

ONLY

HEATING

R-W

}

YELLOW

COOLING

R-G-Y

RED

FAN

R-G

BLUE

BLACK

LINE VOLTAGE-FACTORY

LINE VOLTAGE-FACTORY WHEN USED

BLACK

GREEN RED

WHITE

2

YC

BLACK L1

COOL

UNUSED HEAT

LINE VOLTAGE-FIELD

COMBUSTION

CMB

ELECTRODE

LOW VOLTAGE-FACTORY

LOW VOLTAGE-FIELD

BLOWER

1

R

R

G

G

3

Y

THERMOSTAT

Y

BLACK

BLACK

BLACK BLACK

PRESSURE SWITCH

4

WG R

IGNITION

24VAC

WHT

W

W }

5

CONTROL

FLAME ROD

VIOLET

RED

4

5 6

GND

NOTE:

1

2

3

GAS

IF ANY OF THE ORIGINAL

WIRES ARE REPLACED, THE

VALVE BLUE

VIOLET

GREEN

SAME SIZE AND TYPE WIRE

ORN

BLUE

YELLOW

RED

MUST BE USED.

ORN

AUTO RESET

MANUAL RESET

LIMIT SWITCH

LIMIT SWITCH

ORN

RED

BLACK

CONDENSER FAN

VIOLET

BLUE

CONNECTOR BLOCK

TRANSFORMER

RED

CAPACITOR-RUN

BLACK

EVAP. MOTOR SPEED CONNECTIONS

BROWN

MODELS

HEATING

COOLING

BLK

FAN

BLACK

26HWC123

LOW (RED)

MED (BLUE)

208 V

COM

HERM

YELLOW

C

240 V

38HWC123

HIGH(BLACK) MED (BLUE)

S

COMP

BLK

38HWC183

LOW (RED)

LOW (RED)*

RED

R

CONTACTOR

51HWC183

MED (BLUE)

LOW (RED)

RED

64HWC183

HIGH(BLACK) LOW (RED)

RED

SEE CHART

T1

L1

38HWC243

LOW (RED)

MED (BLUE)

D

FOR WIRING

BLOWER

51HWC243

MED (BLUE)

MED (BLUE)*

CONTROL

T2

L2

64HWC243

HIGH(BLACK) MED (BLUE)

BLACK

51HWC303

MED (BLUE)

HIGH(BLACK)

YELLOW

H

BLUE

64HWC303

HIGH(BLACK) HIGH(BLACK)*

BLOWER

M

BROWN

RED

*JUMPER REQUIRED

MOTOR

L

CAPACITOR

BLUE

BLOWER

YELLOW

#45004-1

	DIAGNOSTICS
	The following blower/ignition control board
	LED codes will indicate normal or abnormal
	operations:
	SLOW FLASH	Normal Operation, No
		Call for Heat
Note: On units that are equipped with a low ambient switch (designated	FAST FLASH	Normal Operation, Call for
with an “SA” in the model number), sequence of operation during		Heat
	2 FLASH	System Lockout - Failed to
cooling call is modified when outdoor temperatures fall below the
		Detect or Sustain Flame
normal operating range. For more information on the low ambient	3 FLASH	Pressure Switch Open or
switch equipped version of this unit, see the section beginning on
		Closed
page 2-36.	4 FLASH	High Limit or Rollout
		Switch Open
	5 FLASH	Flame Sensed and Gas
		Valve Not Energized
	STEADY	Internal Failure
		(Micro-controller Failure;	SRM
		Self-check)
			-
FIGURE 2-1 Connection Diagram			HW/HWC

2/99