H32.REV

MOTORS

NOTE: FINAL COPY: MAY, 1987.

Part 1 -	GENERAL

1)	WORK INCLUDED

A.	Work included in this Section includes the providing of labor, materials, equipment and services necessary for a complete and safe installation in accordance with the contract documents and all applicable codes and authorities having jurisdiction for the following

1.	Motors for HVAC Work.

CONTR

2.	Motor controllers shall be furnished under HVAC Work. Installation and power wiring will be under Electrical Work. Refer to Section "Motor Controllers"

NOTE: ONLY WITH APPROVAL OF GROUP ENGINEERING DIRECTOR.

3.	Motor controllers will be under Electrical Work.

CONTR

4.	Motor control centers will be under Electrical Work.

2)	RELATED WORK AND REQUIREMENTS

A.	Requirements of GENERAL CONDITIONS, DIVISION NO.1 and Section GENERAL PROVISIONS FOR HEATING, VENTILATING AND AIR CONDITIONING WORK apply to all work in this Section NOTE: EDIT TO SUIT PROJECT REQUIREMENTS. INCLUDE ONLY SECTIONS DIRECTLY AFFECTING WORK OF THIS SECTION

B.	Related work in the following Sections:

1.	CHILLED WATER SYSTEM.

2.	STEAM SYSTEM.

3.	HOT WATER SYSTEM.

4.	FAN COIL SYSTEM.

5.	BOILER PLANT.

6.	REFRIGERATION PLANT. (Centrifugal Units

7.	REFRIGERATION PLANT. (Absorption Units

8.	PACKAGED RECIPROCATING WATER CHILLERS. (Water Cooled

9.	CONDENSER WATER SYSTEM. (Packaged Cooling Towers

10.	SELF-CONTAINED COMPUTER ROOM AIR CONDITIONERS.

11.	SELF-CONTAINED AIR CONDITIONERS.

12.	PACKAGED ROOF-TOP UNITS.

13.	HEAT PUMPS.

14.	AIR HANDLING SYSTEM EQUIPMENT.

15.	MECHANICAL VENTILATION SYSTEMS.

16.	-----.

3)	REFERENCE STANDARDS

A.	Published specifications' standards, tests or recommended methods of trade, industry or governmental organizations apply to work in this Section

B.	Comply with all applicable national, state and local codes and refer to Section GENERAL PROVISIONS FOR HEATING, VENTILATING AND AIR CONDITIONING WORK for additional Reference Standards

4)	QUALITY ASSURANCE

A.	Refer to Section GENERAL PROVISIONS FOR HEATING, VENTILATING AND AIR CONDITIONING WORK for Guarantee and other Quality Assurance requirements

5)	SUBMITTALS

A.	Submit shop drawings, including catalog cuts, enclosures and wiring diagrams

Part 2 -	PRODUCTS

1)	BASE BID MANUFACTURERS

A.	Motors: General Electric Co., Century Electric Co., Electric Machinery Manufacturing Co., Louis Allis Division, (Litton Industrial Products, Inc.), Reliance and Gould Inc

2)	MOTORS

A.	Motors shall be in accordance with NEMA, IEEE and ANSI standards with minimum indicated horsepower and the ability to operate the drive devices under all conditions without overload. Motors shall be of the same manufacturer, except those provided integrally with equipment

B.	Motors shall be designed for continous load to operate in ambient temperature of 104 deg F and service factor of 1.15

C.	Efficiency of motors shall be IEEE standard 112, 1978 Test Method B. Unless noted otherwise motors shall be of standard efficiency

NOTE: HIGH EFFICIENCY MOTORS MUST BE INDICATED ON SCHEDULES. REVIEW EACH APPLICATION FOR ECONOMIC JUSTIFICATION

D.	Where "High Efficiency" motors are indicated in schedules on drawings, motors shall have guaranteed minimum efficiencies equivalent to or exceeding the following = = -------------------------------------------------- ---------- = GUARANTEED GUARANTEED = = HP MIN. EFF. HP MIN. EFF. = 1 78.5 30 91.7 = 1-1/2 81.5 40 92.4 = 2 81.5 50 93.0 = 3 84.0 60 93.0 = 5 84.0 75 93.0 = 7-1/2 88.5 100 94.1 = 10 88.5 125 93.6 = 15 90.2 150 94.1 = 20 90.2 200 94.1 = 25 91.0 = =

NOTE: COORDINATE ELECTRICAL REQUIREMENTS WITH ELECTRICAL DEPARTMENT.

E.	Except as noted, motors 1/3 hp and smaller shall be 120 volts, 60 hertz, single phase and motors 1/2 hp and larger shall be 460 volts, 60 hertz, 3 phase

NOTE: INDICATE ON SCHEDULES MOTOR SPEEDS OTHER THAN 1750 RPM OR MULTI SPEED MOTORS IF ANY. FOR BELT DRIVEN EQUIPMENT UNDER 450 RPM, MOTOR SPEED SHALL BE 1150 RPM. FOR BELT DRIVEN EQUIPMENT UNDER 300 RPM MOTOR SPEED SHALL BE 850 RPM

F.	Except as noted, motors shall be squirrel-cage induction type, open dripproof, 1750 rpm Class B insulation. Motors mounted on equipment outdoors shall be totally enclosed fan cooled (TEFC), weatherproof, 1750 rpm, Class F insulation

NOTE: COORDINATE REQUIREMENT OF ELECTRICAL HEATER REQUIRED FOR MOTORS.

G.	Motor mounted outdoor and in areas where condensation can occur shall be with electrical heaters

H.	Except as noted, sealed, permanently lubricated bearings for motors shall be ball or roller type and grease lubricated with pressure type lubricating fittings similar to Alemite and Keystone pressure relief fittings, extended to accessible location

NOTE: WHEN PART-WINDING OR WYE-DELTA TYPE REDUCED INRUSH CONTROLLERS ARE SPECIFIED. COORDINATE WITH ELECTRICAL DEPARTMENT

MOTOR

I.	Part-winding motors shall be limited to starting current in first windings to 65 percent of normal inrush current for ----- hp and larger

J.	Provide wye-delta type motors with starting current limited to 33 percent of normal inrush current for ----- hp and larger

NOTE: COORDINATE MULTISPEED MOTORS WITH ELECTRICAL DEPARTMENT. SPECIFY VARIABLE TORQUE MOTOR FOR PUMPS AND FANS AND CONSTANT TORQUE MOTOR FOR RECIPROCATING EQUIPMENT. INDICATE MOTOR SPEEDS ON ELECTRICAL DATA SHEET. REVIEW WITH ELECTRICAL DEPARTMENT

MOTOR

K.	Except as noted, multispeed motors shall be variable torque type.

L.	Coordinate all motor types and sizes with motor controller types and sizes. Coordinate size and location of terminal box with ele trical work. Terminal box shall be clear of ventilation openings and shall be of size to receive electrical circuit wiring

M.	Provide foundation slide base and shaft for belt-connected motors as required for aligning pulleys

N.	Fractional horse power motors shall be furnished with built in overload protection, where respective controllers are without overload protection

Part 3 -	EXECUTION

1)	FIELD QUALITY CONTROL

A.	Test all motors for proper operation after installation and wiring