INSTALLATION

Wiring

All wiring must conform to local and national electrical codes and ordinances.

Connect in accordance with wiring diagrams provided by the equipment manufacturer. If none are provided, the following represents a typical installation.

Factory

Installed

Jumper

L1

L2

1

3

2

4

1

4

 

2

 

Heating Element

NOTE: Terminal 4 not used

L1 L2

Wiring Diagram for Typical Two-Element

 

 

 

 

 

Residential Electric Storage Water

1

 

 

 

 

 

 

 

 

3

Heater, Non-Simultaneous Operation.

 

 

 

 

 

 

2

4

Factory

 

4

Installed

 

1

 

Jumper

 

 

 

 

2

 

Upper Heating

 

Element

 

Additional

1

 

Type 755-1

 

 

 

SIngle Element Circuit for Full Power Disconnect Through Both Power Conductors

 

Temperature 2

 

Double Element Limited Demand

Control

 

 

 

 

 

 

 

 

Circuit for Full Power Discon-

Lower

 

nect Through Both Power Con-

Heating Element

 

 

 

 

ductors

 

 

 

SETTING THE DIAL

Adjust temperature setting by inserting a screwdriver into

Adjustment Slot

 

open slot and turning pointer to desired temperature on

 

 

dial.

 

 

 

150°F

90°F

 

66°C

32°C

 

125°F/52°C

 

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White Rodgers 37-5785A specifications Installation, Setting the Dial, Wiring