NELSON
™
INSTALLATION
CM-GP/AXPC100-CM-GP General Purpose Temperature Controller
INSTRUCTIONS
TEL 800-621-1506
www.nelsonheaters.com
14251-001 Rev. 0
Sheet 5 of 10
November 2020
Condition
N/O
N/C
Power Off
OPEN
CLOSED
Power On
CLOSED
OPEN
Alarm
OPEN
CLOSED
CONNECTING INCOMING POWER
CONNECTING TEMPERATURE SENSOR
CONNECTING ALARM WIRING
Install conduit, fittings, and wires according
to local standards.
Wire size limits: 18 AWG – 6 AWG
(
See installation and maintenance instructions
for self-regulating heater cable for further detail
(GA-1765)).
In order to minimize loosening due to pipe
vibration, use flexible conduit
Pull in power and ground wires, strip off
½”(13mm) of insulation and terminate as
shown.
This unit can be used with any 100Ω,
platinum, 3-wire RTDs
Adjust the length of the temperature sensor
to meet the application needs Strip the 1/3 ”
(9mm) insulation and either connect an red
ferrule (18AWG) or tin the end.
Insert the wires into the terminal block on
the plate above as shown.
Wire size must be within AWG 18-24
The controller has a dry form C contact
Max.2A 20-277VAC, 12-48VDC
Connect the alarm wires as shown to either
the NO and C terminals (for normally open)
or NC and C terminals (for normally closed)
