Tennant T5 - Freeze Protection Procedure

Commonly Used Electrical Symbols & Terms
+
-
Battery Fuse
Normally Closed
Push-Button Switch
Normally Open
Switch
CR1
Relay Coil
(Part 1 of Relay)
Circuit Breaker
Motor
Wires Connected
Together
Normally Open
Push-Button Switch
Wiring Color Codes
(Unless otherwise marked)
0
1
2
3
4
5
6
7
8
9
Tan
Pink
Brown
Orange
Yellow
Green
Blue
Purple
Gray
White
Right Most Digit
of Wire Number
Color of Wire
Example of Wiring Numbers & Colors:
1 RED 25 7 13 BLK
Normally Open
Limit Switch
Normally Closed
Limit Switch
Indicates Component
is Energized
Plug-in
Connection
NOTE: The term “NORMALLY” refers to the components’ “at rest” or “de-energized” position
Diode
Wires Not
Connected Together
Terms & Abbreviations
BDI – Battery Discharge Indicator
LED
– Light Emitting Diode
PM
– Permanent Magnet
PWM
(Pulse Width Modulation) – A method of using controlled on/off times to regulate voltage and current to an electrical device
Standoff
– A common connecting point for multiple wires
Zener Diode
– A device used in an electrical circuit to prevent high voltage spikes
Indicates Movement
from Normal Position
Indicates Component in
Position Other than Normal
Relay Contacts (Part 2 of Relay)
Normally Open Normally Closed
CR1 CR1
Solenoid (Valve
or Actuator)
Potentiometer
i
Information
!
Warning!Assembly
Zener
Diode
32 T5 9002333 REV.02 (07-06)
E