Sea Tel COBHAM User manual

Sea Tel, Inc.

(trading as Cobham SATCOM)

4030 Nelson Avenue

Concord, CA 94520

Tel: +1 (925) 798-7979

Fax: +1 (925) 798-7986

Thrane and Thrane A/S

(trading as Cobham SATCOM)

Lundtoftegaardsvej 93 D, 2800 Kgs.

Lyngby, Denmark

Tel: +45 3955 8800

Fax: +45 3955 8888

Web: http://www.cobham.com/satcom Email: [email protected]

December 15, 2017 Document No. 99-158223-A

Sea Tel

Marine Radome Air Conditioner

Installation and Operation M

anual

Sea Tel Marine Radome Air Conditioner

These commodities, technology, or software were exported from the United States

in accordance with the Export Administration Regulations. Diversion contrary to

U.S. law is prohibited.

Sea Tel Marine Stabilized Antenna systems are manufactured in the United States of

America.

Sea Tel is an ISO 9001:2008 registered company. Certificate Number 13690 originally

issued on March 14, 2011 and renewed / reissued on March 10, 2014.

The information contained in this document is proprietary to Sea Tel, Inc. This document may not be reproduced or

distributed in any form, without prior written consent of Sea Tel, Inc. The information in this document is subject to

change without notice. Sea Tel Inc. is also doing business as Cobham SATCOM.

Sea Tel Marine Radome Air Conditioner

iii

Revision History

REV ECO# Date Description By

A December 15, 2017 Production Release ECM

Sea Tel Marine Radome Air Conditioner

This Page Intentionally Left Blank

Introduction Sea Tel Marine Radome Air Conditioner

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1. INTRODUCTION ............................................................................................................................. 1-2

1.1. THIS MANUAL ...................................................................................................................................... 1-2

1.2. ABOUT THE MARINE AIR CONDITIONER .................................................................................................... 1-2

1.3. FOR YOUR SAFETY ........................................................................................................................... 1-2

2. INSTALLATION .............................................................................................................................. 1-4

2.1. INTERNALLY MOUNTED UNITS ................................................................................................................ 1-4

2.2. EXTERNALLY MOUNTED UNITS ............................................................................................................... 1-5

2.3. ELECTRICAL.......................................................................................................................................... 1-5

3. DIGITAL LCD CONTROL PANEL....................................................................................................... 3-6

3.1. DISPLAY PANEL AND INDICATIONS ........................................................................................................... 3-6

3.2. BUTTON AND INDICATION....................................................................................................................... 3-7

3.3. FUNCTIONAL DESCRIPTIONS ................................................................................................................... 3-7

Temperature control ..................................................................................................................3-73.3.1.

Protection function:.................................................................................................................3-73.3.2.

Additional function:.................................................................................................................3-73.3.3.

Fault code table......................................................................................................................3-73.3.4.

4. INSPECTION AND OPERATIONAL NOTES ....................................................................................... 4-8

4.1. INSPECTIONS........................................................................................................................................ 4-8

4.2. COMPRESSOR OVERLOAD PROTECTOR NOTES ..........................................................................................4-9

4.3. CONDENSER WATER DRAINING ...............................................................................................................4-9

4.4. OPERATION..........................................................................................................................................4-9

5. TROUBLESHOOTING & MAINTENANCE .........................................................................................5-10

5.1. PROBLEMS AND SOLUTIONS ................................................................................................................. 5-10

5.1. MAINTENANCE ....................................................................................................................................5-11

Internal maintenance ..............................................................................................................5-115.1.1.

External maintenance..............................................................................................................5-115.1.2.

5.2. STORAGE............................................................................................................................................5-11

5.3. MAIN PCB WIRING DIAGRAM................................................................................................................ 5-12

5.4. CONTROLLER WIRING CONNECTION DIAGRAM ........................................................................................ 5-12

5.5. PRODUCT DIAGRAM .............................................................................................................................5-13

6. SPECIFICATIONS ............................................................................................................................ 5-1

7. DRAWINGS .................................................................................................................................... 7-1

7.1. SEA TEL MARINE AIR CONDITIONER DRAWINGS......................................................................................... 7-1

Sea Tel Marine Radome Air Conditioner Introduction

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1. Introduction

Congratulations on your purchase of the Marine Radome Air Conditioner. We sincerely appreciate your support of our

company and the trust you’ve placed in our products

1.1. This Manual

Please be sure to thoroughly read this manual to the end before commencing operation of the unit. Store it in

a place where it is easily accessible. If during its use, the unit malfunctions, or if something is unclear, please

consult this manual.

1.2. About the Marine Air Conditioner

The Marine Radome Air Conditioner’s main parts are: a compressor, refrigerant, condenser, evaporator and

blower. The blower directs warm interior air across the fins of the evaporator where the heat from the air is

transferred to the refrigerant in the evaporator coil. As the refrigerant liquid absorbs heat from the warm air,

it evaporates into a gas. The compressor then compresses the refrigerant gas and pumps it through the

condenser coil. The heat from the refrigerant is exchanged in the condenser and discharged out of the dome.

The liquid refrigerant is then passed through the evaporator coil and the cycle repeats. Through this process,

cold air is delivered into the dome which decreases its temperature and hot air is released outside.

Features:

•High efficiency rotary compressor with powerful cooling capacity

•Pre-charged and pre-wired system for convenient use

•Intelligent control system designed to be easy to operate

•Designed to operate in a harsh marine environment

1.3. FOR YOUR SAFETY

Please do not operate the unit before carefully reading and understanding the contents of this section. The

items listed in this section are there to ensure safe use of the unit and to prevent harm or injury to you and

others

Installation and servicing of this system can be hazardous due to internal system pressure and electrical

components. When working on this equipment:

•Always observe precautions described in the literature and on tags and labels attached to the unit

•Follow all safety codes

•Wear safety glasses and work gloves and place a fire extinguisher close to the work area

DANGER:

ELECTRICAL SHOCK HAZARD. DISCONNECT VOLTAGE AT MAIN PANEL OR POWER SOURCE BEFORE

OPENING ANY COVER. FAILURE TO COMPLY MAY RESULT IN INJURY OR DEATH.

Please do not use the unit near kerosene, gasoline, paint thinner, ether, paints or other flammable or explosive

objects. This can result in fire or explosion.

Do not use the unit close to dust, gas or steam containing aluminum, magnesium, titanium or other flammable

substances. This can result in fire or explosion.

Disassembly, repair and reassembly is not to be attempted by anyone other than an authorized repairman/

technician.

Inadequate or poor handling can result in fire, malfunction and injuries. All maintenance must be conducted while

the unit is unplugged.

Introduction Sea Tel Marine Radome Air Conditioner

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When carrying or moving the unit, please keep it level and balanced and adapt your movements to the shape and

weight of the unit at all times. If the unit is dropped, there is a risk of injury and other accidents.

When packing the unit into and out of a vehicle, be sure to use two or more people to ensure safe handling.

If the unit is not working properly, disconnect the power plug immediately and return it for service or repair.

There is risk of electric shock or fire caused by a short circuit.

Do not use in places where electrically conductive dust is present such as from Iron, carbon, casting, aluminum

etc.

Electric shock or fire caused by a short circuit can occur.

Keep away from fire. The unit can become deformed or short circuit.

Do not put hands or fingers into the air ducts or grids; there is a risk of injury.

Do not use the unit in places where cutting oil or mineral oil is present.

They can cause internal components to deteriorate, which can result in accidents and injuries.

To minimize the hazard of electrical shock and personal injury, the unit must be properly grounded.

Please check that the power source’s voltage matches the voltage listed on the label of the equipment.

There is risk of electric shock and short circuit.

Make sure that the unit is unplugged when in storage.

There is risk of injury and electric shock.

Sea Tel Marine Radome Air Conditioner Installation

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2. Installation

This section covers the installation procedures for internally and externally mounted Radome systems. Please note

that the following instructions are intended as a general guideline only. You MUST read and refer to the antenna’s

system installation and operation manual for detailed information. Due to the nature of the equipment is it highly

recommended that you read both manuals completely before attempting to install any equipment.

2.1. Internally Mounted Units

If you are installing an internally mounted Marine Radome Air Conditioner, select a location in the1.

dome that will not interfere with the movement of the antenna.

Internal units must be accessible and have a clear area below the dome for condenser2.

intake/discharge openings. There must be adequate space for air flow underneath the dome’s base

pan.

Use a cutout template to mark and then cut openings in the base pan. Drill holes for mounting as per3.

template.

Ensure that intake and discharge condenser air steams are separated with a divider so that air does4.

not short-cycle from exhaust to intake.

Position the unit over opening and fasten unit using the provided hardware. Ensure foam seals are5.

tightly compressed between the unit and base pan, and that there are no leaks from outside.

Install the power cord .6.

Use a diverter to direct hot-air discharge away from the antenna.7.

Figure 1 Internal AC Mount Example

Installation Sea Tel Marine Radome Air Conditioner

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2.2. Externally Mounted Units

If you are installing an externally mounted Marine Radome Air Conditioner, select a location near the1.

dome to keep the evaporator ducting as short and straight as possible.

NOTE: Ensure that the condenser openings are clear from obstructions.

Mount the unit using the provided hardware, as shown in system manual.2.

Install evaporator return and supply ducting onto the provided flanges in the base pan. Ensure that3.

ducting is tight, secure and as straight as possible to minimize bends. Use insulated ducting to reduce

heat gain in the dome.

Install the power cord as described in ELECTRICAL below.4.

Install the Digital LCD Display Control Panel in an accessible location inside the Radome.5.

Route the control cable through the provided cord grip in the base pan.6.

Use a diverter to direct hot-air discharge away from the antenna.7.

External AC Installation Example

2.3. Electrical

It is recommended that a separate AC Power cable be ran to the AC Unit, preferably from a different phase of the

electrical system which supplies the ADE & BDE equipment of the Marine SATCOM Terminal. Be EXTREMELY

cautious of length of the run for voltage loss and gauge of the wires for the current that is expected to be drawn.

The Power cable shall comply with the provisions of IEC 60092-350 and -351 in so far as practical. Power cables should

be routed the through separate radome penetrations then that of the signal cable(s) from the junction box to the base

of the ADEs.

The power cable shall be continuous from the closest circuit breaker to the ADE connections within the radome. The

power circuits shall be arranged so that “Active”, “Common” and “Neutral (ground) legs are all made or broken

simultaneously. All circuit legs shall be carried in the same cable jacket.

Turn off the A/C’s power-supply circuit breaker before opening electric box. Each A/C unit requires its1.

own dedicated circuit breaker. Use the correct size circuit breaker to protect the system.

Remove the electrical box panel to access the circuit board and the terminal block.2.

While the the terminal block is labeled for proper connections of the electrical supply and ground and3.

wire, it is always a good idea to refer to your antenna’s installation manual. Make these connections

using solderless terminals.

Double check all wiring connections prior to turning system on4.

Sea Tel Marine Radome Air Conditioner Digital LCD Control Panel

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3. Digital LCD Control Panel

The Marine Radome Air Conditioner uses an advanced Digital LCD Control Panel. The display uses a colorful screen to

show set-point temperature and is easy to operate.

The controller has a power-off memory function; when power is lost, the operating parameters are retained so that

when power is restored, the controller resumes operation as before

3.1. Display Panel and Indications

Display Icon

Description

Refrigeration Icon

1. This icon will be lit when the compressor is running.

2. This icon will be lit and flashing when the compressor is not

running.

3. This icon will not be displayed when the machine is turned off.

Wind Speed Icon

1. This icon will be lit when the machine is turned on. (Fan speed

adjustment is disabled in this model)

2. This icon will not be displayed when the machine is turned off.

Digital Icon

1. This icon will be lit to display the set-point temperature value,

and the word “Setting” is shown on the top of this icon.

2. This icon will be lit and flashing when setting temperature, and

will remain lit after 10 seconds.

3. This icon will not be displayed when the machine is turned off.

4. This icon can also show the current ambient temperature and

coil temperature through combined button presses. Press the

MODE button to exit and show temp set-point.

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