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Duct Heater

The document provides details on an electric duct heater including its tag number, location, capacity, electrical supply requirements, materials, controls, accessories, and notes. The duct heater will be located in a compressor control room, have a heating capacity of 4 kW, and electrical supply of 480V 3-phase 60Hz. It will have thermal cutouts, disconnect switch, lifting lugs, and tyristor control.

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Alif Firdaus
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80 views1 page

Duct Heater

The document provides details on an electric duct heater including its tag number, location, capacity, electrical supply requirements, materials, controls, accessories, and notes. The duct heater will be located in a compressor control room, have a heating capacity of 4 kW, and electrical supply of 480V 3-phase 60Hz. It will have thermal cutouts, disconnect switch, lifting lugs, and tyristor control.

Uploaded by

Alif Firdaus
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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CLIENT: Requisition No.

: -
Document No.:
DATA SHEET
IBO-TiA9-EXE-HHA-50-HVA-TDS-0001
ELECTRIC DUCT HEATER
Page: 5 of 15
Rev. No.: 0
ENG BY: Item Tag No.: HW-5080
PROVISION OF DETAIL ENGINEERING DESIGN (DED) PM9
SIMPLIFICATION AND PROCUREMENT OF MATERIALS FOR BEKOK B
Service: HVAC System
FIRST HYDROCARBON
TERENGGANU
GENERAL
1 ITEM NAME ELECTRIC DUCT HEATER 7 LOCATION ROOF OF COMPRESSOR CONTROL ROOM - MODULE 9
2 TAG NO. HW-5080 8 QUANTITY 1
3 EQUIPMENT DESCRIPTION ELECTRIC HEATERS 9 MODE OF OPERATION INTERMITTENT
4 CERTIFICATION UL (Zero Clearance To Combustible Surface) 10 AIR FLOW (*)
5 HEATING CAPACITY 4.0 kW 11 PRESSURE DROP 50 max. Pa
6 ELECTRICAL SUPPLY 480V/ 3PHASE/ 60Hz 12 AREA CLASSIFICATION SAFE AREA

MATERIAL AND CONSTRUCTION DATA


1 ELEMENT TYPE FULL SHEATHED, FINNED TUBULAR ELECTRIC HEATING COIL
2 ELEMENT MATERIAL 80% NICKEL, 20% CHROMIUM WIRE SPIRALLY FORMED AND HELD IN PLACE BYMAGNESIUM OXIDE
3 TERMINAL BOX TYPE NEMA 12
4 DISCONNECT SWITCH TYPE NEMA 12
5 FRAME MATERIAL TYPE 316L STAINLESS STEEL
6 FRAME MATERIAL THICKNESS (*)
7 LIFTING LUGS YES, if > 25 kg
8 EARTHING BOSS YES
9 PANEL INGRESS PROTECTION IP 42

OPERATORS, CONTROLS AND ACCESSORIES


1 THERMAL CUTOUT YES NO TYPE Automatic Reset
2 SECONDARY CUTOUT YES NO TYPE Manually Resetable
3 THERMAL CUTOUT SET POINT (*) Deg. C
4 SECONDARY CUTOUT SET POINT (*) Deg. C
5 TEMPERATURE CONTROL YES NO TYPE/MODEL TYRISTOR
6 CONTROL CIRCUIT TRANSFORMER YES NO TYPE/MODEL (*)
7 DOOR INTERLOCK DISCONNECT SWITCH YES NO MATERIAL SS
8 FUSES YES NO
9 AIR FLOW SWITCH YES NO TYPE/MODEL (*)
10 TEMPERATURE CLASS T3
11 CONTROL VOLTAGE SEE NOTE 3
12 CAPACITY CONTROL THYRISTOR CONTROL
13 SAFETY FEATURE HIGH TEMPERATURE PROTECTION THERMAL CUT OFF (Hi : 90 Deg. C / HiHi : 125 Deg. C)
AIR FLOW SWITCH
DISCONNECT SWITCH

SCHEDULE OF HVAC DUCT HEATERS


OVERALL SIZE
AIR FLOW
NO. TAG NO. LOCATION (WIDTH x HEIGHT x PRESSURE DROP (Pa) Kw RATING REMARKS
(CMH)
LENGTH)

1. HW-5080 COMPRESSOR CONTROL ROOM - MODULE 9 (*) (*) 50* *

NOTES
1 * - ASTERISK DENOTES VENDOR TO COMPLETE/VERIFY
2 EACH DUCT HEATER SHALL BE COMPLETED WITH A LOCAL DUCT HEATER CONTROL PANEL.
3 24V DC SHALL BE DERIVED FROM DUCT HEATER CONTROL PANEL BY VENDOR.
4 THE EQUIPMENT/ PACKAGE SHALL SUITABLE FOR OPERATION IN ZONE 2, GAS GROUP II A, TEMP. CLASS T3 (ELECTRICAL) AND
ZONE 1, GAS GROUP II A, TEMP. CLASS T3 (INSTRUMENT)

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