JFD WHE - 3 Manuale utente
Operation and Maintenance Manual
for the
Electric Water Heater WHE - 3
(440V X 24VDC)
Part Number: KI40018AA
Document Number: KI-OM-6768
Revision: 0
(Intentionally Blank)
i
KI-OM-6768 R0 Approval Sheet
APPROVAL SHEET
Document Information
Advitium No Title Classification Current Revision Date
KI-OM-6768 Installation, Operating and Maintenance
Manual – WHE-3, Part - KI40018AA
Commercial in
confidence
0 08/01/2016
Revision History
Rev Date BY CHK APP Comments
0 08/01/2016 J. Lastakauskiene V. Garzon P. Black Original For Issue
Original Approvals
Responsibility Name Position Date
Author Jurgina Lastakauskiene Engineering Administrator January 2016
Checked Vladimir Garzon Mechanical Engineer January 2016
Approval Philip Black Senior Mechanical
Engineer
January 2016
Copyright Details
© 2015 JFD
Copyright of this document is the property of JFD and it may not be copied, used or otherwise disclosed in whole or in
part except with prior written permission from JFD or, if this document has been furnished under a contract with another
party, as expressly authorised under that contract.
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Approval Sheet KI-OM-6768 R0
(Intentionally Blank)
iii
KI-OM-6768 R0 Disclaimer/Warranty
DISCLAIMER
Whilst every effort has been made to ensure the accuracy of the information provided in this
document, JFD makes no guarantees therefore.
Misuse of the equipment described in this manual could result in injury. It is the responsibility of the
user to ensure that the equipment is used and maintained correctly and in accordance with the
instructions provided in this manual in order to ensure safety of life and to prevent injury.
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Disclaimer/Warranty KI-OM-6768 R0
WARRANTY
JFD Ltd warrants that its Water Heater Electric (WHE-3), conforms to the current product
specification at the date of delivery and that the product will be free of patent defects in materials or
workmanship for a period of twelve months from the date of delivery or for the first 3,000 operating
hours, whichever occurs first.
Any component or sub-system which is established by JFD to be patently defective will, at JFD’s
option, be repaired or replaced on condition that such defective equipment is returned to the JFD
manufacturing facility, freight pre-paid. On completion of any repair or replacement, the equipment
will be returned to the customer FOB Cape Town/Aberdeen, South Africa/United Kingdom. By
agreement and upon prepayment by the customer of any transportation, on-site accommodation
and subsistence expenses, JFD may dispatch personnel to perform on-site repairs.
The product specification and warranty terms are subject to alteration without prior notice and do not
form part of any contract made between JFD and its customer.
This equipment should only be operated by suitably qualified persons conversant with the operation
and maintenance of diver hot water systems. Before operating the equipment, the user must be
fully acquainted with the instructions contained in this manual, as well as the individual component
manufacturer’s operating and maintenance information provided in the Appendixes.
Only genuine manufacturer's spare parts may be used in this JFD product. Use of other
manufacturer’s parts may cause degradation of performance or failure and will invalidate the
warranty.
The following information is required by JFD when ordering spare parts:
• Customer’s / owner’s name
• Equipment serial number
• Spare part type / description
• Part number
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KI-OM-6768 R0 Table of Contents
TABLE OF CONTENTS
Page
Chapter 1 - General Description ...................................................................................................................... 1
Chapter 2 - Initial Set Up ................................................................................................................................ 11
Chapter 3 - Operation .................................................................................................................................... 17
Chapter 4 - Maintenance ................................................................................................................................ 25
Chapter 5 - Troubleshooting .......................................................................................................................... 29
Chapter 6 - Appendix ..................................................................................................................................... 35
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Table of Contents KI-OM-6768 R0
(Intentionally Blank)
1
KI-OM-6768 R0 Chapter 1
CHAPTER 1 - GENERAL DESCRIPTION
CONTENTS
Page
1.1 Intruduction ....................................................................................................................... 2
1.1.1 Basic Description .............................................................................................................. 2
1.2 Specifications .................................................................................................................... 3
1.3 Theory Of Operation ......................................................................................................... 4
1.3.1 Basic Control ..................................................................................................................... 4
1.3.2 Fluid System ..................................................................................................................... 5
1.3.3 Electrical System Overview ..............................................................................................7
1.3.4 Heater System and Heater Selection ................................................................................7
1.3.5 Control System ................................................................................................................. 8
2
Chapter 1 KI-OM-6768 R0
1.1 INTRODUCTION
The Divex Electric Powered Water Heating Unit, (WHE-3), has been designed and manufactured for
use in professional diving systems. KI40018AA will control the heating of seawater within an inlet-to-
outlet temperature rise range of 0 to 50ºC (32 to 122ºF) with fine selectable control. The system
incorporates a positive displacement pump, electric heaters and all electrical controls necessary to
provide a complete water heating system for deep diving.
1.1.1 Basic Description
The WHE-03 assembly is comprised of a motor, pump, heater tank, pipe work and control panel.
These components are mounted into a robust stainless steel frame. The system requires a constant
supply of seawater and runs from a 440-480V, 3-phase, 60 Hz power supply. The output is heated
seawater at pressures up to 68 bar and 45 litres/min.
1.2 SPECIFICATIONS
Shipping Weight 590 kg
Dry Weight 460 kg
Power Requirements 440 VAC, 3-phase, 60 Hz, 180 kW, 240 to 260 A
Input Fluid Fresh Water or Seawater
Input Pressure 3 to 10 bar
Input Flow 45 litres/min minimum
Output Pressure Up to 68 bar
Output Flow Up to 45 litres/min
Temperature Rise Control Range 0 to 50ºC (32 to 122ºF)
Temperature Control 1ºC (2ºF)
Altri manuali per WHE - 3
1
Questo manuale è adatto per i seguenti modelli
1
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Altri manuali JFD Scaldabagno
