Cooline PT036, PT360 manual Typical High and LOW Voltage Field Wiring Connections, Belts

BELT TENSION TESTING PROCEDURE

FORCE SCALE

DEFLECTION =	BELT SPAN
	64

SMALL "0"

RING

LARGE "0"

RING

SPAN SCALE

BELT SPAN

BELT TENSION CHECKER

MEASURE THE BELT DEFLECTION FORCE

BELTS

BELT TYPE

BELT CROSS SECTION

SMALL PULLEY PITCH DIA. (P.D.)

DEFLECTION

FORCE - LBS.

RANGE

MINIMUM

MAXIMUM

1.25 – 1.75

1/2

5/8

–

3 L

2 – 2.25

5/8

7/8

2.5 – 3

3/4

1-1/8

2.1 – 2.8

1-1/8

1-5/8

A

4 L

3 – 3.5

1-1/2

2-1/8

3.7 – 5

1-7/8

2-5/8

B

5 L

3 – 4.2

2

2-7/8

4.5 – 5.2

2-3/8

3-3/8

TYPICAL HIGH AND LOW VOLTAGE FIELD WIRING CONNECTIONS

L1 L2 L3 N

FUSED DISCONNECT SWITCH

OR CIRCUIT BREAKER

PACKAGED UNIT

CONTROL PANEL

L1

LEGEND

HVTB

L2

ECB - ELECTRONIC CONTROL BOARD

L3

HVTB - HIGH VOLTAGE TERMINAL BLOCK

LI - LINE1

NTB

N

L2 - LINE2

G

L3 - LINE3

N - NEUTRAL TERMINAL BLOCK

G - GROUND

FIELD WIRING

GND

ECB +5V

B

A

CONTROL WIRES-INTERCONNECTING

( USE 16 TO 22 AWG WIRE)

A B

+5V

GND

INDOOR THERMOSTAT

18