Raychem HTC-915 Manual Download Page 2

CAUTION: installation, configuration and commissioning

should only be performed by properly trained personnel.

Local regulations regarding the installation & safety must be followed.

APPLICATION

Type 

Surface sensing/ambient sensing

Area of use 

Non-hazardous area indoors, typically panel mounted

Approval certification 

CE marked
 

 

PRODUCT SPECIFICATION

Temperature range controller 

–60°C to 570°C in steps of 1 K 

Control algorithms

EMR: Line sensing on/off, proportional ambient
SSR: Line sensing on/off, proportional, proportional ambient, power limiting, 

soft start

Switching accuracy 

1 K

ENCLOSURE

Ambient operating temperature range

–40°C to +50°C

Ambient storage temperature range

–40°C to +85°C

Relative humidity

0% to 90% Non condensing

Ingress protection

Housing: IP40, Terminals: IP20

Material

ASA-PC, color: green

Flammability class

V0 (UL94)

Mounting method

Panel mounting on 35 mm DIN rail

WARNING

   IEC 60417-5032 (2002-10) Alternating current

  IEC 60417-5031 (2002-10) Direct current

ELECTRICAL PROPERTIES

Connection terminals and cabling

Screw type terminals. All terminals suitable for stranded and solid core connection 

cables having a cross section between 0.5 and 2.5 mm2 (24 to 12 AWG) The 

915-HTC and 915-Alarm Relay connector outputs (240V) require ferrules on the 

connecting wires if stranded wires are used. The wires shall handle a minimum wire 

temperature of 75°C

Supply voltage 

CE/EAC: 100 Vac to 250 Vac, +10% -10%, 50/60 Hz, 0.15 A to 0.06 A 

CSA: 100 Vac to 277 Vac, 50/60 Hz, 0.15

Power consumption 

Max 20 VA with limiter connected

Control output 

Contactor control 

output

(EMR) Electromechanical relay rated 3 A/250 Vac, 50/60 Hz

Solid-state relay 

control output

(SSR) 12 VDC, 75 mA. max. to drive normally open Solid state relays. Depending on 

the application, one, two or three phase switching elements have to be used. (Solid 

state relays are not included)

Switching capacity

Depends on the type of switch element used 

(The switch element is external)

nVent.com  |  2

(Russia, Kazakhstan, Belarus)  

For other countries contact your local nVent representative.

TC RU C-BE.БЛ08.B.01634

Summary of Contents for HTC-915

Page 1: ...HTC 915 Universal heat tracing control system ...

Page 2: ...rrent IEC 60417 5031 2002 10 Direct current ELECTRICAL PROPERTIES Connection terminals and cabling Screw type terminals All terminals suitable for stranded and solid core connection cables having a cross section between 0 5 and 2 5 mm2 24 to 12 AWG The 915 HTC and 915 Alarm Relay connector outputs 240V require ferrules on the connecting wires if stranded wires are used The wires shall handle a min...

Page 3: ...s available COMMUNICATIONS Protocol Modbus RTU or ASCII Topology Multidrop daisychain Cable Single shielded twisted pair 0 5 mm2 24 AWG or larger Length Typical 2 7 km max 9600 Baud Quantity Up to 32 devices Address Programmable For technical support call nVent or write an E mail to thermal info nvent com FUNCTIONAL OVERVIEW The nVent RAYCHEM HTC 915 is a full featured temperature control system f...

Page 4: ... shown by the text above that key Quick Notes on Operation Basic rules for efficient Console use use the SHIFT key followed by the appropriate function key ALARM MONITOR or CONFIG to select the operating mode use Í and to move around in the menu use Ë to enter a new menu enter a new value or select a menu item use Á to exit the current menu or cancel an edit Key Function SHIFT Press to activate a ...

Page 5: ...ed to hit the SHIFT key before pressing the CONFIG button to confirm the removal of the limiter Changing the Configuration To change the Controller configuration Position the desired parameter menu item in the display Press the Ë key to initiate an edit session If the console is locked you are prompted to enter the passcode The present setting will flash on the display to indicate that you are edi...

Page 6: ...the limit temperature minus the unit hysteresis The limiter can be reset using one of the following methods 1 From the control panel on the HTC 915 CONT by pressing alarm and SHIFT RESET assuming presence of the digital communication between controller and limiter 2 Via pushing and holding the RESET key on the limiter unit for t 2 seconds 3 Remotely via the external input of the HTC 915 and a remo...

Page 7: ...Parity n a None Tx Deley 0 06 secs n a Parameter may only appear if certain features are enabled Values shown in brackets are the Factory defaults if the settings are enabled This information defines the default 915 Series Control Module configuration as set by the Factory for firmware V1 0X These settings are subject to change without notice It is the user s responsibility to verify that all conf...

Page 8: ...vents as this may damage the housing or finish ELECTRICAL CONNECTION Connections are made via screw connections suitable to accept cable diameters between 0 5 and 2 5 mm2 24 to 12 Awg Either solid or stranded wires may be used Do not rely on the controller as a disconnect device Installation notes If contact with live parts is possible while working on the unit it must be completely isolated from ...

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