Carrier 90MA/MF/MU manual CONNECTION POINTS AT TB--1TERMINALS, 62--10458--00

			CONTROL BOX
11	12	13	11	12	13		H1	H3		H2	H4
							X2	TRAN			X1
21	22	23	21	22	23
C1 IFC C2			C1	CC C2					F
DT1		DT2	DT1		DT2		1			3
									2
		TB1
							4			6
		1 2	3 4 5						5
CLO			11		12	13	C1 CHR C2
							GROUND
X	3	2 1	21		22	23
			C1 CFR C2					90MU ONLY

CONTROL PANEL
FAN COOL		A W A R ME
B
OFF	HEAT	R
B		A COO L E R
TB1--1	NO

VIEW A--A

TB1--5 NO

TB1--4 NC

		LEGEND
	AS	AIR SWITCH
AC		AUTOMATIC CUTOUT
C		COMPRESSOR
CC		COMPRESSOR CONTACTOR
CH		CRANKCASE HEATER
CFR		CONDENSER FAN RELAY
CHR		CRANKCASE HEATER RELAY
CL		COMPRESSOR LOCKOUT
DT		DUMMY TERMINAL
DPS		DISCHARGE PRESSURE SWITCH
F		FUSE
H1		CONTROLLING HEAT CONTACTOR
H2		BACKUP HEAT CONTACTOR
IFC		INDOOR FAN CONTACTOR
IFM		INDOOR FAN MOTOR
IPC		INTERNAL PROTECTOR--COMPRESSOR
IPF		INTERNAL PROTECTOR--FAN MOTOR
LLS		LIQUID LINE SOLENOID
OL		OVER LOAD
MC		MANUAL (RESET) CUTOUT
SPS		SUCTION PRESSURE SWITCH
SW		SWITCH
T		THERMOSTAT
TB		TERMINAL BOARD
TRAN TRANSFORMER
US		UNLOADER SOLENOID

TERMINAL BOARD TERMINAL

TERMINAL (MARKED)

TERMINAL/SPLICE (UNMARKED)

LOCKOUT TERMINAL

FACTORY WIRING

FIELD WIRING

INDICATES COMMON POTENTIAL,

DOES NOT REPRESENT WIRING

VIEW B--B

NOTES:

1.208--230/3/60 VOLT UNITS FACTORY WIRED TO TRANSFORMER TERMINAL H2 (208 VOLT TAP). FOR 230 VOLT APPLICATIONS, RE--CON- NECT TO TERMINAL H3 (230 VOLT TAP).

460/3/60 VOLT UNITS FACTORY WIRED TO TERMINAL H6. 400/3/50 VOLT UNITS FACTORY WIRED TO TERMINAL H5.

2.CONNECTION POINTS AT TB--1 TERMINALS

3& 4 MAY BE USED FOR HEAT CONTROLS. MAXIMUM LOAD IS 250 VA INRUSH, 50 VA SEALED.

3.SWITCH CONTACT ARRANGEMENT IS AS SHOWN BELOW.

OFF FAN COOL HEAT

Figure 16 Component Arrangement -- 90MA/MF/MU008/012
17	62--10458--00