Armstrong World Industries 123, 243, 302, 242, 122, 203, 182, 183 manual HW Heating Only

SPECIFICATIONS Magic-Pak: HW/HWC

2-10

HW (Heating Only)

(w/United Technologies 1097 Spark Ignition System)

WIRE NUT CIRCUITS ENERGIZED

OPERATING MODE

CIRCUIT

208/230-1-60

COPPER CONDUCTORS

HEATING

R-W

POWER SUPPLY

ONLY

YELLOW

COOLING

R-G-Y

}

RED

FAN

R-G

BLUE

LINE VOLTAGE-FACTORY

BLACK

LINE VOLTAGE-FACTORY WHEN USED

LINE VOLTAGE-FIELD

BLACK

RED

GREEN

WHITE

Y

L1

COOL

HEAT

UNUSED

LOW VOLTAGE-FACTORY

COMBUSTION

CNB

ELECTRODE

LOW VOLTAGE-FIELD

BLOWER

1

R

R

2

C

G

G

THERMOSTAT

3

Y

Y

BLACK BLACK

BLACK BLACK

PRESSURE SWITCH

4

WG R

IGNITION

24VAC

WHT

W

W }

VALVE BLUE

CONTROL

WIRES ARE REPLACED, THE

VOILET

5

FLAME ROD

RED

4

5 6

GND

1

2 3

NOTE:

GAS

ORANGE

BLUE

YELLOW

RED

IF ANY OF THE ORIGINAL

VOILET

GREEN

SAME SIZE AND TYPE WIRE

ORANGE

MUST BE USED.

AUTO RESET

MANUAL RESET

LIMIT SWITCH

LIMIT SWITCH

ORANGE

BLACK

CONNECTOR

RED

BLOCK

YELLOW

EVAP. MOTOR

208 V

240 V

SPEED CONNECTIONS

MODELS

HEATING

TRANSFORMER

26HW

LOW (RED)

38HW

HIGH (BLACK)

BLUE

51HW

MED (BLUE)

64HW

HIGH (BLACK)

RED

SEE

CHART

FOR WIRING

#45008-2

YELLOW

BLACK

H

BLOWER

BLUE

M

BROWN

MOTOR

RED

L

CAPACITOR	TERMINAL BLOCK
BLOWER

		DIAGNOSTICS
		The following blower/ignition control board
		LED codes will indicate normal or abnormal
		operations:
		SLOW FLASH	Normal Operation, No
			Call for Heat
		FAST FLASH	Normal Operation, Call for
			Heat
		2 FLASH	System Lockout - Failed to
			Detect or Sustain Flame
		3 FLASH	Pressure Switch Open or
			Closed
		4 FLASH	High Limit or Rollout
			Switch Open
		5 FLASH	Flame Sensed and Gas
			Valve Not Energized
		STEADY	Internal Failure	SRM
			(Micro-controller Failure;
			Self-check)
				-
				HW/HWC
FIGURE 2-2	Connection Diagram

2/99