Instruction/ maintenance manual of the product L-2254 Mars Air Systems
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Direct Expansion Systems Re vised: 7-18-05 L-2254 vector compact Installation & Operation.
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3 ❖ ❖ ❖ ❖ ❖ English L-2254 TABLE OF CONTENTS T able of Contents IF Y OU HA VE A DIGIT AL CONTR OL .................................................................................................. ....... 3 Intr oduction How It W orks ......
4 ❖ ❖ ❖ ❖ ❖ English L-2254 Introduction INTR ODUCTION Congratulations on the purchase of y our Mar ine Air Systems’ V ector Compact ® air conditioner .
5 ❖ ❖ ❖ ❖ ❖ English L-2254 Installation Unpac king and Inspection When the equipment is receiv ed, all items should be carefully chec ked against the pac king list to ensure all car tons hav e been received. Move units in the normal “up” orientation as indicated by the arro ws on each car ton.
6 ❖ ❖ ❖ ❖ ❖ English L-2254 Installation Minimum T ools Required • Screws driv ers • Pliers • Pipe wrenches • Wire cutters/crimpers • Drill and assor ted bits • Jig saw • Duct t.
7 ❖ ❖ ❖ ❖ ❖ English L-2254 Installation duct diameters and their corresponding supply and return air gr ille minimum area in square inches . If a transition bo x is used, the total area of supply air ducts going out of the bo x should at least equal the area of the supply duct f eeding the bo x.
8 ❖ ❖ ❖ ❖ ❖ English L-2254 Installation Electrical Connections, Grounding and Bonding All a/c units hav e a ter minal strip mounted inside the electric box. The terminal str ip is labeled f or proper connections of the electrical supply , ground wires and pump circuits.
9 ❖ ❖ ❖ ❖ ❖ English L-2254 Installation Installation Chec klist (Revie w prior to installation) Note: Ref er to the Elite and P asspor t I/O manuals f or installation and operation of those digital controls.
10 ❖ ❖ ❖ ❖ ❖ English L-2254 Operation Quic k Star t Operations Chec klist ❑ Ensure sea water intak e ball v alv e (sea cock) is open. ❑ T ur n on the a/c circuit breaker . If the seaw ater pump has its own circuit break er, turn that on.
11 ❖ ❖ ❖ ❖ ❖ English L-2254 T roubleshooting TR OUBLESHOO TING General T roub leshooting Also see specific digital or mechanical control troubleshooting sections f ollowing these general guidelines. F ault: Will not star t. P ossible Reason/Correction 1.
12 ❖ ❖ ❖ ❖ ❖ English L-2254 T roubleshooting F ault: Low airflo w. P ossible Reason/Correction 1. Airflow is bloc ked. Remov e an y obstructions in retur n air stream. Clean return air filter and grille. Check f or cr ushed or restricted ducting, ducting must be as straight, smooth and taut as possible .
13 ❖ ❖ ❖ ❖ ❖ English L-2254 T roubleshooting F ault: F an runs continuously although it is set to cyc le with compressor . P ossible Reason/Correction 1. Failed triac on P asspor t I/O circuit boar d. Send f or repair or call local ser vice technician (see back of book f or a listing).
14 ❖ ❖ ❖ ❖ ❖ English L-2254 T roubleshooting 2. Damaged jac k/socket in displa y head or on circuit boar d. Visually chec k to see that pins inside sock et are not bent or corroded. Repair or replace display or circuit board if needed. F ault: “PLF” is display ed (Elite Digital Control onl y).
15 ❖ ❖ ❖ ❖ ❖ English L-2254 Maintenance MAINTENANCE Rever sing V alves Re v erse cycle units ha v e a re v ersing valv e; the v alve must be energized periodically to k eep the internal par ts moving freely . T o do this , s witch the a/c unit into heat f or a f ew seconds once a month.
16 ❖ ❖ ❖ ❖ ❖ English L-2254 The f ollowing w arranty is e xtended to cover marine air conditioners manuf actured or supplied by Dometic Environmental Corporation, and is subject to qualifica- tions indicated.
17 ❖ ❖ ❖ ❖ ❖ English L-2254 DESCRIPTION OF FIGURES Fig 1. Overview of Vector Compact Fig 2. Placement of V ector Compact Fig 3. Spacing Allo wances & Unit Dimensions Fig 4. Installation of Condensate Drain Fig 5. Mounting Brackets Fig 6.
18 L-2254 Fig 1. Overview of Vector Compact Fig 2. Placement of V ector Compact.
19 L-2254 Fig 3. Spacing Allo wances & Unit Dimensions PROP R IE TARY NOT E: TH E IN FORMATION CO NTAINED WITHIN THIS DOCUM ENT IS THE P ROP ERT Y O F D OME TI C CORP ORAT ION.
20 L-2254 Fig 5. Mounting brac kets Fig 4. Installation of condensate drain Fig 6. 3-Knob Control.
21 L-2254 Fig 8. Ducting and Grille Sizing Fig 7. Seawater pump and plumbing configuration Model 5K 7K 10K 12K 16K 1 8 K 24K D u ct Di a meter (in/mm) 4/102 5/127 6/152 6/152 7/17 8 7/17 88 /20 3 D u ct Are a ( sq in/cm) 12.6/ 8 1 19.6/126 2 8 . 3 /1 83 2 8 .
22 L-2254 Fig 9. Wiring Diagrams for Mechanical Contr ols (VCM5-16 & 24K).
23 L-2254 Fig 10. Wiring Diagrams for Mechanical Contr ols (VCM5-16HV & 24K 230V/3Ph).
24 L-2254 Fig 11. Wiring Diagrams f or Digital Controls (VCD5-16 & VCD/VHD 24K).
25 L-2254 Fig 12. Wiring Diagrams f or Digital Controls (VCD5-16HV & VCD/VHD 24K 460V/3Ph).
26 L-2254 Fig 13. Wiring Diagrams for Digital Contr ols (VCD18K-HV & VCM18K-HV).
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L-2254 Dometic En vir onmental Corporation 2000 N. Andrews A ve . Ext. • P ompano Beach, FL 33069-1497 USA • Phone: 954-973-2477 • F acsimile: 954-979-4414 For Sales and Service Calls within Europe and the Middle East, please contact +44 (0) 870 330 6101 Website: www.
An important point after buying a device Mars Air Systems L-2254 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Mars Air Systems L-2254 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Mars Air Systems L-2254 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Mars Air Systems L-2254 you will learn all the available features of the product, as well as information on its operation. The information that you get Mars Air Systems L-2254 will certainly help you make a decision on the purchase.
If you already are a holder of Mars Air Systems L-2254, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Mars Air Systems L-2254.
However, one of the most important roles played by the user manual is to help in solving problems with Mars Air Systems L-2254. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Mars Air Systems L-2254 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
