Energy Tech Laboratories LB600 Electrical Connections, Electrical Data, Motor Overload Elements

035-18496-000-C-1102

Check belt tension. Drive packages are supplied with fiber- glass belts that must be properly tensioned at installation because they do not stretch. The belt should deflect 3/16" per foot of belt span with a 2 or 3-pound force. Alignment of the resilient motor mount can be corrected by adjustment at the slots on the end opposite the pulleys.

ELECTRICAL CONNECTIONS

The electric box ships complete with motor starter, transform- ers, relays and terminal block for making field connections. Remember: One air handlers with factory installed pump out solenoids, wires to the solenoid must be field connected.

Refer to Figures 30 & 31 for Indoor Unit Wiring Diagrams.

Install a power supply to meet the requirements listed in table 6.

Provide a disconnect switch and fusing as required.

Install interconnecting control wiring between condensing section, evaporator blower and room thermostat.

Starters are shipped without overloads. These must be ordered separately to match the selected motor used in the air handler. See unit’s Technical Guide or price page for cor- rect overload.

NOTE: For the 10HP 200/208-volt motors, install the power wiring to the supply air blower through the starter.

TABLE 6: ELECTRICAL DATA

				MIN	MAX.
UNIT			VOLTAGE		FUSE
	HP	FLA		CIRCUIT
MODEL			(3PH-60HZ)		SIZE
				AMPACITY
					(Amps)
		16.7	208	21	35
	5	15.2	230	19	30
		7.6	460	10	15
LA300		6.1	575	8	15
		24.2	208	30	50
	7.5	22	230	28	45
		11	460	14	20
		9	575	11	20
		16.7	208	21	35
	5.0	15.2	230	19	30
		7.6	460	10	15
		6.1	575	8	15
		24.2	208	30	50
LB360	7.5	22	230	28	45
		11	460	14	20
		9	575	11	20
		30.8	208	39	60
	10	28	230	35	60
		14	460	18	30
		11	575	14	20
		24.2	208	30	50
	7.5	22	230	28	45
		11	460	14	20
LB480		9	575	11	20
		30.8	208	39	60
	10	28	230	35	60
		14	460	18	30
		11	575	14	20
		30.8	208	39	60
	10	28	230	35	60
		14	460	18	30
LB600		11	575	14	20
		46.2	208	58	100
	15	42	230	53	90
		21	460	26	45
		17	575	21	35

TABLE 7: MOTOR OVERLOAD ELEMENTS*

MOTOR HP	VOLTAGE	MODEL NUMBER
	208	2MP04704600
5	230	2MP04704600
	460	2MP04704900
	575	2MP04705000
	208	2MP04703700
7.5	230	2MP04704500
	460	2MP04704300
	575	2MP04704000
	208	2MP04701600
10	230	2MP04704100
	460	2MP04704200
	575	2MP04704300
	208	2MP04704400
15	230	2MP04701700
	460	2MP04704500
	575	2MP04704600

*. These units are equipped from the factory with a cor- rectly sized motor starter; overload elements are not factory supplied. Three elements required per unit.

Unitary Products Group 19