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Three Stage Smart Charger
Installation/Operation Manual
Models: PT-24-20U & PT-40U
Section Topic
QUICK REFERENCE GUIDE..................................................................................................... 2
I) GENERAL INFORMATION.................................................................................................. 3
II) IMPORTANT SAFETY INFORMATION........................................................................... 3
III) INSTALLATION..................................................................................................................... 5
A) Materials Provided..................................................................................................... 5
B) Location........................................................................................................................... 5
C) Mounting........................................................................................................................ 5
D) DC Output Wiring........................................................................................................ 5
E) Multiple Unit Parallel Wiring.................................................................................... 6
F) AC Input Wiring............................................................................................................ 7
IV) OPERATION.......................................................................................................................... 7
A) Three Stage Charge Regimen................................................................................ 7
B) Time-Out Circuit........................................................................................................... 8
C) Gel-Cell/Leac-Acid Selector Switch...................................................................... 8
D) Remote Panel Option: 12 Volt Model................................................................... 8
E) Temperature Compensation Option..................................................................... 8
F) Cooling Fan................................................................................................................... 9
G) Output Ammeter......................................................................................................... 9
H) Power-On Indicator..................................................................................................... 9
V) APPLICATION NOTES......................................................................................................... 10
A) Start-Up............................................................................................................................ 10
B) Constant Versus Occastional Use.......................................................................... 10
C) Proper Load Sizing....................................................................................................... 10
D) Operation with Enging.............................................................................................. 10
VI) TROUBLE SHOOTING......................................................................................................... 11
VII) SPECIFICATIONS................................................................................................................ 12
VIII) BATTERY CARE TIPS...................................................................................................... 12
IX) REFERENCE APPENDIX.................................................................................................... 13
X) UNIT DIMENSIONAL DRAWING..................................................................................... 14
Phase Three
Table of Contents
Page
M-PT2420U/40ULF
As of July 2010
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Related Manuals for NewMar PT-24-20U
Summary of Contents for NewMar PT-24-20U
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Page 1: Table Of Contents
Phase Three Three Stage Smart Charger Installation/Operation Manual Models: PT-24-20U & PT-40U Table of Contents Section Topic Page QUICK REFERENCE GUIDE..................... 2 I) GENERAL INFORMATION....................3 II) IMPORTANT SAFETY INFORMATION................3 III) INSTALLATION........................5 A) Materials Provided..................... 5 B) Location........................... 5 C) Mounting........................ -
Page 2: Quick Reference Guide
Quick Reference Drawing Optional Dripshield,Pg. 5 Charger Front Cover Permanent Mounting Charger Status LED,Pg. 5 Holes x 4, Pg. 5 & 14 Temporary Keyhole Mounting Holes x 2, Ammeter,Pg. 9 Pg. 5 & 14 Battery Selector Switch, Pg. 8 Remote Panel Jack, Pg. 8 Temperature Compensation Jack, Pg. -
Page 3: I) General Information
• Multiple output banks charge independently based 5. Use of an attachment not recommended or sold by on demand NEWMAR may result in a risk of fire, electric shock or • 115/230 VAC, 50-60 Hz input – can be used anywhere injury to persons. - Page 4 9. Do not operate the charger with a damaged cord or 8. Use the battery charger for charging gel-cell or flooded plug; replace them immediately. lead-acid batteries only. It is not intended to supply power to a low voltage electrical system other than in a starter- 10.
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Page 5: Iii) Installation
For maximum performance, the charger should Wire Gauge AWG (mm) not be located in an area of extreme high temperature. PT-24-20U #10 (6mm) #10 (6mm) #8 (10mm) PT-40U... -
Page 6: E) Multiple Unit Parallel Wiring
If the DC fuse(s) blow, this may indicate a reverse polarity hook-up or an internal short. 1) Use another identical charger model. Do not use a different charger model, either from NEWMAR or from Always disconnect AC to the charger before checking another manufacturer. -
Page 7: F) Ac Input Wiring
F) AC Input Wiring A note about the AC Input Fuse: The AC input of your charger is protected by an input fuse located inside the NOTE: (For marine applications) THE INSTALLATION unit. Due to the current limiting characteristics of the AND PROTECTION OF VESSEL WIRING ASSOCIATED charger, it is highly unlikely that this fuse will blow unless a WITH BATTERY CHARGERS SHALL COMPLY WITH ABYC... -
Page 8: B) Time-Out Circuit
Note: The Phase Three Charger is able to deliver its full The EVM-12-2 requires a 22-5 cable (NEWMAR part number 712-2205-0, sold by the foot). The EVM interface rated output current while in float mode. -
Page 9: F) Cooling Fan
Temperature Compensation Charts: two conditions will shorten battery life. Therefore, the Phase Three Charger is designed to utilize Output V DC: 12 Volt Models an optional remote sensor (available from NEWMAR, Battery Temperature Charge Float model TCS-12/24) which provides automatic temperature compensation. -
Page 10: V) Application Notes
V) Application Notes while the charger is in service, check to see that your average DC loads are not exceeding the charger’s rated A) Start Up output. If they are, you may wish to consider adding another charger in parallel to provide sufficient power 1) Before powering up your charger, check for tight electrical for your requirements. -
Page 11: Vi) Troubleshooting
3) Return for analysis/repair by heating by shutting off. servicing dealer where charger was purchased or contact NEWMAR for a Return Materials Authorization number. B) Charger continues to charge 1) DC load drawing current from 1) Turn off main battery switch to at 3 amps or more –... -
Page 12: Vii) Specifications
NEWMAR battery chargers are designed to keep including specific gravity. Some chemicals may also your batteries fully charged but your batteries also need... -
Page 13: Ix) Reference Appendix
battery use, charge voltage, etc. It is normal for batteries IX) REFERENCE APPENDIX which are not maintenance-free to require topping off about once a month. • For more information about boat wiring to conform to US Coast Cuard regulations, write: Superintendent of A battery’s state of charge may be monitored by checking Documents and Request: 33 CFR 183 Subpart I. -
Page 14: X) Unit Dimensional Drawing
XI) Unit Dimensional Drawing...