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THERMAL BUILDING SOLUTIONS

 EN-RaychemECWGF-IM-H58339      03/15

ECW-GF

DIGITAL ELECTRONIC CONTROLLER WITH GROUND FAULT INSTALLATION INSTRUCTIONS

Pipe mounted with FTC-PSK power connection kit

ECW-GF using

RayClic power 

connection kit

ECW-GF using a separate junction box

DESCRIPTION

The Raychem ECW-GF is an electronic ambient, pipe, or slab sensing 

controller with 30-mA ground-fault protection. It is ideal for pipe 

freeze protection, flow maintenance, freezer frost heave and snow 

melting applications. The controller can be programmed to maintain 

temperatures up to 200°F (93°C) at voltages from 100 to 277 V and 

can switch current up to 30 Amperes. The ECW-GF is complete with 

a 25-ft (7.6-m) temperature sensor and is housed in a NEMA 4X rated 

enclosure. The controller features an AC/DC dry alarm contact relay 

for monitoring critical applications such as fire protection piping.
The controller may be wall mounted or pipe mounted with the 

optional FTC-PSK kit. 
An optional ground-fault display panel (ECW-GF-DP) can be added 

to provide ground-fault or alarm indication in applications where 

the controller is mounted in inaccessible locations.
For technical support call Pentair Thermal Management at  

800-545-6258.

TOOLS REQUIRED

•  Large slotted screwdriver 

•  Needle nose pliers

•  Small slotted screwdriver 

•  Wire strippers

ADDITIONAL MATERIALS REQUIRED 

(NOT PROVIDED IN THIS KIT)

•  Optional remote ground-fault and heating operation display 

panel (Catalog No. ECW-GF-DP)

•  Appropriate mounting fasteners or optional pipe mount kit  

(Catalog No. FTC-PSK)

This component is an electrical device that must be installed 

correctly to ensure proper operation and to prevent shock or 

fire. Read these important warnings and carefully follow all the 

installation instructions.
•  To minimize the danger of fire from sustained electrical arcing 

if the heating cable is damaged or improperly installed, and to 

comply with the requirements of Pentair Thermal Management, 

agency certifications, and national electrical codes, ground-

fault equipment protection must be used. Arcing may not be 

stopped by conventional circuit breakers. The ECW-GF provides 

the required ground-fault equipment protection.

•  The ECW-GF must be effectively grounded to ensure proper 

operation. Do not rely on the conduit system to provide a ground 

path. Use the grounding terminals/screws to connect to system 

ground leads.

•  Component approvals and performance are based on the use of 

Pentair Thermal Management-specified parts only. Do not use 

substitute parts or vinyl electrical tape.

•  The black heating cable core is conductive and can short. They 

must be properly insulated and kept dry.

•  Damaged bus wires can overheat or short. Do not break bus wire 

strands when scoring the jacket or core.

•  Keep components and heating cable ends dry before and during 

installation.

•  Use only fire resistant insulation materials, such as fiberglass 

wrap or flame-retardant foam.

WARNING:

KIT CONTENTS

Item Qty  Description

A 1 Lid

Wire cover

Box with electronics

25 ft thermistor

1/2 inch compression gland

Battery connector

A

B

C

F

E

D

APPROVALS

Nonhazardous Locations

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