Thermon ECM-OS - Manual (Page 3)

3
ECM-OS
INSTALLATION PROCEDURES
The Heat Tracing Specialists ®
6.
Terminate cable with appropriate PETK
termination kit. Refer to PETK installation
instructions. Push excess cable back
through gland. Tighten cap securely. Tape
cable expansion loop to pipe.
3.
Position RTD Sensor(s) in grommet. Do
not pull from the sensor end when routing
through the RTD gland. Pull sensor from
the lead wire portion.
5.
Insert cable into gland. Make
sure bus connection (HPT and FP
only) remains outside of expediter.
4.
Locate bus connection (HPT and FP only)
as shown. Cut end of cable at angle to
aid in piercing grommet. Leave additional
cable for expansion as needed.
2.
Mounting: Secure wall mount to
mounting surface using screws
(provided by others).
1.
Slide appropriate IEK insulation entry
kit components onto cable.
RTD
Lead Wire
RTD
Sensor
Power Cable
8.
Install power cable. Complete system
wiring. Terminal set screws shall be
tightened to a torque value of 1,4
Nm (12,4 lb-in). See wiring details.
Set modules electronic control and/or
control limiter at desired setpoints.
7.
Install M25 power gland (order separately)
and M25 blind plug.
45 °
min.
300 mm
(12")
Wiring Details
L L N N
C NO NC
Comm. Port Alarm Relay
Main supply Heater output
B
B
A
A
B
B
RTD
Limiter Sensor
RTD
Controller Sensor
GND 1 2
9.
Wiring Details:
Connect ground wire from power cable,
braid from heater, and connections from
the module to the grounding strip.