Harris Z3-48HD+ Technical Manual

Brand: Harris

Model: Z3-48HD+

Type: Technical Manual

Z3-48HD+

T.M. No. 888-2621-001

TECHNICAL MANUAL

888-2621-001

Z3-48HD+

Rev. A1: Dec., 2007

ii 888-2621-001 12/5/07

WARNING: Disconnect primary power prior to servicing.

Returns And Exchanges

Damaged or undamaged equipment should not be returned unless written approval

and a Return Authorization is received from HARRIS Broadcast Communications

Division. Special shipping instructions and coding will be provided to assure proper

handling. Complete details regarding circumstances and reasons for return are to be

included in the request for return. Custom equipment or special order equipment is

not returnable. In those instances where return or exchange of equipment is at the

request of the customer, or convenience of the customer, a restocking fee will be

charged. All returns will be sent freight prepaid and properly insured by the

customer. When communicating with HARRIS Broadcast Communications

Division, specify the HARRIS Order Number or Invoice Number.

Unpacking

Carefully unpack the equipment and preform a visual inspection to determine that

no apparent damage was incurred during shipment. Retain the shipping materials

until it has been determined that all received equipment is not damaged. Locate and

retain all PACKING CHECK LISTs. Use the PACKING CHECK LIST to help

locate and identify any components or assemblies which are removed for shipping

and must be reinstalled. Also remove any shipping supports, straps, and packing

materials prior to initial turn on.

Technical Assistance

HARRIS Technical and Troubleshooting assistance is available from HARRIS

Field Service during normal business hours (8:00 AM - 5:00 PM Central Time).

Emergency service is available 24 hours a day. Telephone 217/222-8200 to contact

the Field Service Department or address correspondence to Field Service

Department, HARRIS Broadcast Communications Division, P.O. Box 4290,

Quincy, Illinois 62305-4290, USA. Technical Support by e-mail:

[email protected]m. The HARRIS factory may also be contacted through a FAX

facility (217/221-7096).

Replaceable Parts Service

Replacement parts are available 24 hours a day, seven days a week from the

HARRIS Service Parts Department. Telephone 217/222-8200 to contact the service

parts department or address correspondence to Service Parts Department, HARRIS

CORPORATION, Broadcast Systems Division, P.O. Box 4290, Quincy, Illinois

62305-4290, USA. The HARRIS factory may also be contacted through a FAX

facility (217/221-7096).

NOTE:

The # symbol used in the parts list means used with (e.g. #C001 = used with C001).

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Manual Revision History

Z3-48HD+ Technical Manual

REV. DATE ECN Pages Affected

A Nov., 2007 Entire Manual

A1 Dec., 2007 Minor changes in Manual

MRH-2 888-2621-001 12/5/07

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Guide to Using Harris Parts List Information

The Harris Replaceable Parts List Index portrays a tree structure with the major items being leftmost in the index. The

example below shows the Transmitter as the highest item in the tree structure. If you were to look at the bill of materials

table for the Transmitter you would find the Control Cabinet, the PA Cabinet, and the Output Cabinet. In the Replaceable

Parts List Index the Control Cabinet, PA Cabinet, and Output Cabinet show up one indentation level below the Transmitter

and implies that they are used in the Transmitter. The Controller Board is indented one level below the Control Cabinet so

it will show up in the bill of material for the Control Cabinet. The tree structure of this same index is shown to the right of

the table and shows indentation level versus tree structure level.

Example of Replaceable Parts List Index and equivalent tree structure:

Replaceable Parts List Index Part Number Page

Table 7-1. Transmitter 994 9283 001 7-2

Table 7-2. Control Cabinet 992 9244 002 7-3

Table 7-3. Controller Board 992 8344 002 7-6

Table 7-4. PA Cabinet 992 9400 002 7-7

Table 7-5. PA Amplifier 994 7894 002 7-9

Table 7-6. PA Amplifier Board 992 7904 002 7-10

Table 7-7. Output Cabinet 992 9450 001 7-12

The part number of the item is shown to the right of the description as is the page in the manual where the bill for that part

number starts. Inside the actual tables, four main headings are used:

• Table #-#. ITEM NAME - HARRIS PART NUMBER - this line gives the information that corresponds to the

• Replaceable Parts List Index entry;

• HARRIS P/N column gives the ten DIGIT Harris part number (usually in ascending order);

• DESCRIPTION column gives a 25 character or less description of the part number;

• REF. SYMBOLS/EXPLANATIONS column 1) gives the reference designators for the item (i.e., C001, R102,

etc.) that corresponds to the number found in the schematics (C001 in a bill of material is equivalent to C1 on the

schematic) or 2) gives added information or further explanation (i.e., “Used for 208V operation only,” or “Used

for HT 10LS only,” etc.).

Inside the individual tables some standard conventions are used:

• A # symbol in front of a component such as #C001 under the REF. SYMBOLS/EXPLANATIONS column

means that this item is used on or with C001 and is not the actual part number for C001.

• In the ten digit part numbers, if the last three numbers are 000, the item is a part that Harris has purchased and has

not manufactured or modified. If the last three numbers are other than 000, the item is either manufactured by

Harris or is purchased from a vendor and modified for use in the Harris product.

• The first three digits of the ten DIGIT part number tell which family the part number belongs to - for example, all

electrolytic (can) capacitors will be in the same family (524 xxxx 000). If an electrolytic (can) capacitor is found

to have a 9xx xxxx xxx part number (a number outside of the normal family of numbers), it has probably been

modified in some manner at the Harris factory and will therefore show up farther down into the individual parts

list (because each table is normally sorted in ascending order). Most Harris made or modified assemblies will

have 9xx xxxx xxx numbers associated with them.

The term “SEE HIGHER LEVEL BILL” in the description column implies that the reference designated part number will

show up in a bill that is higher in the tree structure. This is often the case for components that may be

frequency determinant or voltage determinant and are called out in a higher level bill structure that is more

customer dependent than the bill at a lower level.

Transmitter

994 9283 001

Control Cabinet

992 9244 002

Controller Board

992 8344 002

PA Cabinet

992 9400 002

PA Amplifier

992 7894 002

PA Amplifier Board

992 7904 002

Output Cabine

992 9450 001

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viii 888-2621-001 12/5/07

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WARNING:

THE CURRENTS AND VOLTAGES IN THIS EQUIPMENT ARE DANGEROUS. PERSON-

NEL MUST AT ALL TIMES OBSERVE SAFETY WARNINGS, INSTRUCTIONS AND REG-

ULATIONS.

This manual is intended as a general guide for trained and qualified personnel who are aware of the

dangers inherent in handling potentially hazardous electrical/electronic circuits. It is not intended to

contain a complete statement of all safety precautions which should be observed by personnel in

using this or other electronic equipment.

The installation, operation, maintenance and service of this equipment involves risks both to

personnel and equipment, and must be performed only by qualified personnel exercising due care.

HARRIS CORPORATION shall not be responsible for injury or damage resulting from improper

procedures or from the use of improperly trained or inexperienced personnel performing such tasks.

During installation and operation of this equipment, local building codes and fire protection

standards must be observed.

The following National Fire Protection Association (NFPA) standards are recommended as reference:

- Automatic Fire Detectors, No. 72E

- Installation, Maintenance, and Use of Portable Fire Extinguishers, No. 10

- Halogenated Fire Extinguishing Agent Systems, No. 12A

WARNING:

ALWAYS DISCONNECT POWER BEFORE OPENING COVERS, DOORS, ENCLO-

SURES, GATES, PANELS OR SHIELDS. ALWAYS USE GROUNDING STICKS AND

SHORT OUT HIGH VOLTAGE POINTS BEFORE SERVICING. NEVER MAKE INTERNAL

ADJUSTMENTS, PERFORM MAINTENANCE OR SERVICE WHEN ALONE OR WHEN

FATIGUED.

Do not remove, short-circuit or tamper with interlock switches on access covers, doors, enclosures,

gates, panels or shields. Keep away from live circuits, know your equipment and don’t take chances.

WARNING:

IN CASE OF EMERGENCY ENSURE THAT POWER HAS BEEN DISCONNECTED.

WARNING:

IF OIL FILLED OR ELECTROLYTIC CAPACITORS ARE UTILIZED IN YOUR EQUIP-

MENT, AND IF A LEAK OR BULGE IS APPARENT ON THE CAPACITOR CASE WHEN

THE UNIT IS OPENED FOR SERVICE OR MAINTENANCE, ALLOW THE UNIT TO COOL

DOWN BEFORE ATTEMPTING TO REMOVE THE DEFECTIVE CAPACITOR. DO NOT

ATTEMPT TO SERVICE A DEFECTIVE CAPACITOR WHILE IT IS HOT DUE TO THE

POSSIBILITY OF A CASE RUPTURE AND SUBSEQUENT INJURY.

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x 888-2621-001 12/5/07

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FIRST-AID

Personnel engaged in the installation, operation, maintenance or servicing of this equipment

are urged to become familiar with first-aid theory and practices. The following information is

not intended to be complete first-aid procedures, it is a brief and is only to be used as a

reference. It is the duty of all personnel using the equipment to be prepared to give adequate

Emergency First Aid and there by prevent avoidable loss of life.

Treatment of Electrical Burns

1. Extensive burned and broken skin

a. Cover area with clean sheet or cloth. (Cleanest available cloth

article.)

b. Do not break blisters, remove tissue, remove adhered particles of

clothing, or apply any salve or ointment.

c. Treat victim for shock as required.

d. Arrange transportation to a hospital as quickly as possible.

e. If arms or legs are affected keep them elevated.

NOTE:

If medical help will not be available within an hour and the victim is conscious and

not vomiting, give him a weak solution of salt and soda: 1 level teaspoonful of salt

and 1/2 level teaspoonful of baking soda to each quart of water (neither hot or

cold). Allow victim to sip slowly about 4 ounces (a half of glass) over a period of

15 minutes. Discontinue fluid if vomiting occurs. (Do not give alcohol.)

2. Less severe burns - (1st & 2nd degree)

a. Apply cool (not ice cold) compresses using the cleanest available

cloth article.

b. Do not break blisters, remove tissue, remove adhered particles of

clothing, or apply salve or ointment.

c. Apply clean dry dressing if necessary.

d. Treat victim for shock as required.

e. Arrange transportation to a hospital as quickly as possible.

f. If arms or legs are affected keep them elevated.

REFERENCE:

ILLINOIS HEART ASSOCIATION

AMERICAN RED CROSS STANDARD FIRST AID AND PERSONAL SAFETY

MANUAL (SECOND EDITION)

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Table of Contents

Section I

Operator Guide

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-1

Installation Instruction. . . . . . . . . . . . . . . . . . . . . . . . . 1-3

Returns And Exchanges . . . . . . . . . . . . . . . . . . . . . .1-3

Unpacking. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3

Installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3

Transmitter Operation . . . . . . . . . . . . . . . . . . . . . . . . .1-5

RF Metering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6

Control Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-9

Status Indicators . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-9

Remote Control. . . . . . . . . . . . . . . . . . . . . . . . . . . .1-10

Interlock Considerations. . . . . . . . . . . . . . . . . . . . .1-10

Drive Functions. . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-11

HDx-FM Exciter/BoostPro Control . . . . . . . . . . . . 1-12

Alignments. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-13

Section II

Parts List

Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-1

2 888-2508-001

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Table of Contents

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Section I

Operator Guide

1.1 Introduction

This manual is to provide information regarding the Z3-48HD+ Transmitter System’s

operation. In addition to the System Controllers, other System-specific functions are

discussed. Any further site-specific functionallity will be discussed in the site-specific

data packages provided with the Z3-48HD+ Transmitter System, including the

individual Z16HD+ transmitter manuals.

The Z3-48HD+ System is made of a ZD32HD+ dual transmitter and one additional

Z16HD+ transmitter cabinet. The ZD32HD+ is made of two Z16HD+ transmitter

cabinets. Most everything in the ZD32HD+ remains as the instruction book and

drawings describe except for the Drive. There are two System Controllers in the Z3-48

system. One System Controller controls and monitors only the ZD32 (transmitters A

and B). The second System Controller controls and monitors the Z3-48 which includes

the Z16 and the ZD32.

NOTE:

It is important to have and study all documentation of all units involved in a Z3-

48HD+ system prior to begining installation of this complex system.

The ZD32 consists of the two cabinets on the right hand side of the system. These are

known as transmitters A and B to keep the ZD32 documentation consistent with that of

the Z3-48 system. The extra cabinet required to make up the Z3-48 system will be on

the left and be known as transmitter C. This arrangement also keeps the RF line and

combiner arrangement to a minimum for those sites that may require equipment to go in

a small space. Both of the System Controllers will be located in a separate rack next to

the system if dual exciters and Boost amps are required. Space for the System

Controllers is not available in the transmitter for this configuration.

Operation of the Z3-48HD+ in any of several modulation format modes can be

accomplished from the FlexStar HDx-FM exciter GUI panel. See exciter manual for

further details. HD modes are only available with the FMHD22 version of the

FlexStar

Exciter.

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Section I Operator Guide

Z3-48HD+

There are several methods of combining the analog (FM) and digital (HD) RF to create

an IBOC signal - also known as Modulation Format - that may be used in a typical

IBOC system including a backup mode. The four modes of operation are:

FM - Analog RF only; this could be the analog backup mode in the event of a

digital failure.

FM+HD - Analog & digital (at -20dB) RF, also known as Common Combin-

ing.

HD - Digital RF only, used for Separate Combining, such as 10dB combined,

dual-feed and interleaved antenna, and dual antennas.

SLC - Analog & digital (at various ratios) RF, also known as Split-level or

Mid-level Combining.

Transmitter operation can be initiated or terminated as desired by depressing the ON

HI, ON LOW, or OFF push-buttons. All three transmitters will be commanded into the

selected mode when the Z3-48 System Controller switch is depressed.

The System Controllers also provide the necessary RF metering, common external

transmitter interlock and transmitter interface, and combined transmitter remote control

functions. APC function is retained by the individual transmitters and its RF source.

• System Controller P/N 992-8850-005

• System Control Board

• Assembly # 992-8853-001

• PWB # 843-5293-076

• Schematic # 839-8118-181

• Display Board

• Assembly # 992-8388-005

• PWB # 843-5215-004

• Schematic # 839-8025-004

NOTE:

Parts list is in Section II.

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Section I Operator Guide

Z3-48HD+

1.2 Installation Instruction

1.2.1 Returns And Exchanges

Damaged or undamaged equipment should not be returned unless a Return

Authorization is issued. When communicating with Harris Corporation, Broadcast

Division, specify the order number or invoice number. Include complete details

regarding circumstances and reasons for return in the request. Custom or special order

equipment is not returnable. In instances where return or exchange of equipment is at

the request or convenience of the customer, a restocking fee will be charged. Special

shipping instructions and coding will be provided to insure proper handling. All returns

will be sent freight prepaid and properly insured by the customer.

1.2.2 Unpacking

Carefully unpack the transmitter and save all packing material. Inspect thoroughly for

any damage incurred in shipment. Retain all PACKING CHECK LISTS to help locate

and identify any components or assemblies removed for shipping. Remove any

shipping supports, and straps prior to initial turn on.

Before cabinet placement takes place, it is important to determine which cabinet is

transmitter C (left side as viewed from the front), transmitter A (middle), and

transmitter B (right side). This can be determined by looking at the tags on the front of

the transmitter or matching serial numbers of the cabinet to the provided test data. The

serial numbers of the cabinets can be found on the left side wall inside the module

compartment. A typical system will have the FlexStar HDx-FM Exciter(s) in the left

cabinet.

1.2.3 Installation

NOTE:

It is important to have and study all documentation of all units involved in a Z3-

48HD+ system prior to begining installation of this comlex system.

The cabinets may be mounted together using four Cabinet Brackets and hardware

provided with the system. The Cabinet Brackets mount between the transmitters on top

using the 3/8" hardware into threads found near the front and back of any two cabinets.

1/2" hardware is provided to bolt two cabinets together near the bottom. These holes

may be accessed inside the power supply compartments of all three cabinets. The

supply may need to be pushed forward a few inches in order to gain access to the back

hole.

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Section I Operator Guide

Z3-48HD+

Several cables will be secured inside the cabinets that need routed to the other cabinets

A hole located in each cabinet is provided for cable routing between cabinets. If a hole

cap is still in place, remove cap from both cabinets for interconnecting cables. Refer to

the wiring diagrams in the System Drawing Package for wire destinations. Each wire

will be marked with a wire or cable number located near the end of each wire. After

routing, cables may be permanently attached to other existing cabling. Keep in mind

some units are mounted on slides and cables are long enough to slide out with the unit

for continuous operation.

The exciter interconnect consists of various cables. Not all of these cables are necessary

in some applications. Depending on how many exciters and what type of IBOC system,

some cables may not be needed. See drawings in the Z16 manual drawing package for

further information.

The combiners and loads are usually placed where specified by the layout diagram in

the System Drawing Package. Placement of Directional Coupler assemblies are also

specified by the layout diagram. A provided coax cable should be connected between

the System Controllers and three coupler ports each; the forward power, reflected

power, and the reject load forward power.

The reject load’s (if provided) interlock cables should be connected. Connections for

addition station interlocks may be provided depending on the configuration of the

system. Refer to the System Drawing Package for further information.

AC connections for the transmitters are located near the top in the back left side of each

cabinet. See the Z16 manual for further information. One AC connection must be made

for the Z3-48HD+ exciter(s). This TB7 terminal block is located inside the AC input

compartment of transmitter cabinet C. This input should be on a separate AC feed in

case this transmitter’s breaker is off, the exciters can operate the remaining operating

transmitters at a reduced power level. Another AC feed must be connected to the

controller rack (if provided) or each piece of equipment if a rack is not provided. This

AC feed should again be on a separate AC feed from the transmitter in case one

transmitter breaker is off. Each Harris-made piece of equipment to be placed in an

existing rack can be operated at 120 or 240 VAC depending on the AC input card

position.

Connect transmission line between the transmitters and the combiners per the layout

supplied in the System Drawing Package. Any unequal change to the transmission line

length from transmitter to combiner will have to be adjusted for in the drive circuit.

Combiner input phasing is important for proper operation. Confirm the ports of the

4.77dB hybrid are aligned according to the markings on the combiner. This combiner is

not symmetrical so it must be connected properly. Also connect transmission line to the

reject loads. Placement of the loads and length of line to the loads is not critical. Only

transmission line for the typical layout is supplied with the system unless otherwise

specified with the order.

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Section I Operator Guide

Z3-48HD+

1.3 Transmitter Operation

a. Ensure all RF connections are tight, and that all control and AC service (mains)

connections are correct and secure using the correct voltage and frequency set-

tings.

b. Set the REMOTE/DISABLE switches on all transmitters to the REMOTE posi-

tion.

c. Start transmitter A (middle cabinet) by depressing the ON HI pushbutton on the

transmitter cabinet A. Operate transmitter at or near 100%. The ZD32 System

Controller FWD PWR should read near 25%. Press LOWER button until trans-

mitter cabinet A FWD PWR is near 20%. Turn off transmitter cabinet A by

depressing the OFF pushbutton.

d. Start transmitter B (right side) by depressing the ON HI pushbutton on the trans-

mitter cabinet B. Operate transmitter at or near 100%. The ZD32 System Control-

ler FWD PWR should again read near 25%. Press LOWER button until

transmitter cabinet B FWD PWR is 20%. Turn off transmitter cabinet B by

depressing the OFF pushbutton.

e. Start transmitter C (left side) by depressing the ON HI pushbutton on the trans-

mitter cabinet C. Operate transmitter at or near 100%. The Z3-48 System Con-

troller FWD PWR should read near 22%. Press LOWER button until transmitter

cabinet C FWD PWR is 20%. Turn off transmitter cabinet C by depressing the

OFF pushbutton.

f. Start combined transmitter operation by depressing the ON HI pushbutton switch

on the ZD32 System Controller. Both A & B transmitters should begin operation

and be producing RF power.

g. The ZD32 System Controller FWD PWR meter should be reading near 20%.

Select the REJ PWR meter position on the ZD32 System Controller and verify its

reading is near 0%. If this reading is more than 2-3%, this may be the result of

either amplitude or phase mismatch between the two combiner inputs. Adjust the

power level 2-3% out of just one transmitter, A or B. If this minimizes the reject

power to near zero, continue on to the next step. If power from each transmitter is

back to the same and more than 10% reject power exists, a phase mismatch may

be adjusted by changing the physical length of W901A or W901B in the drive

circuit. Some experimentation will be required. Add or remove BNC elbow adap-

tors or a very short length of cable (2-6 inches) to one or the other existing cables

at the drive splitter SP2 outputs located in cabinet A (middle). Any reject power

may be the result of a different connection from what was originally used at the

Harris test facility. Additionally, some phase adjustment can be accomplished on

the BoostPro GUI screen. See the BoostPro documentation for more details. Usu-

ally, no adjustment of amplitude or phase will be necessary.

h. Start the third cabinet C by depressing the ON HI pushbutton on the Z3-48 Sys-

tem Controller. All three transmitters should be operating and producing power.

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Section I Operator Guide

Z3-48HD+

i. The Z3-48 System Controller FWD PWR meter should be reading near 20%.

Select the REJ PWR meter position on the Z3-48 system Controller and verify its

reading is near 0%. If this reading is more than 2-3%, this again may be the result

of either amplitude or phase mismatch between the two combiner inputs to the

4.77dB combiner. Adjust the power level 2-3% out of just transmitter C. If this

minimizes the reject power to near zero, continue on to the next step. If power

from each transmitter is back to the same or more than 10% reject power exists, a

phase mismatch may be adjusted by changing the physical length of W900 in the

drive circuit. Some experimentation will be required. Add or remove BNC elbow

adaptors or a very short length of cable (2-6 inches) to W900 at the transmitter C

Exciter Switch board output. Reject power may be the result of a different con-

nection from what was originally used at the Harris test facility. Usually, no

adjustment of amplitude of phase will be necessary.

j. Once reject power is down below 5% on both System Controllers, raise power in

all three transmitters to 100% watching that reject power does not exceed 10%. If

any reject power exists, repeat the above steps for adjustment of amplitude or

phase of all combiner inputs. Some fluctuation of power will be noticed due to

the type of detection used for an IBOC signal and its peaks.

k. Select the RFL PWR position on the transmitters and the System Controllers and

verify that they all read at or near 1.01VSWR.

l. Depress the LOW ON push-button switch on both System Controllers and verify

that all transmitter output levels drop to approximately 50% and that the System

Controllers also indicate near 50% in the FWD PWR positions.

1.3.1 RF Metering

Three metering functions are provided by each System Controller. They are: Forward

output power in percent of allowed forward power (FWD PWR); reflected power

displayed as load VSWR (RFL PWR); and combiner reject load power in percent of

normal (REJ PWR). Below are the approximate values of the normal average RF levels

for a Z3-48HD+ combined transmitter system calibrated at full output in the combined

mode. See Table 1-1.

Table 1-1 System Controller Average Power Metering

Indication

FWD PWR 100% RFL PWR 1.00 REJ PWR 100%

Z3-48 System Controller

FM+HD 21kW As Indicated 4.67kW

HD only 10.5kW As Indicated 2.33kW

FM only 30kW As Indicated 6.67kW

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Section I Operator Guide

Z3-48HD+

A REJ PWR reading of 100% will be one-fourth the total output power when the 3 dB

hybrid combiner is used, such as with the ZD32 System Controller. The REJ PWR

reading of 100% will be set for 2/3 the total output power from one transmitter when the

4.77dB hybrid combiner is used such as with the Z3-48 System Controller. Up to 2/3 of

the power from transmitter C or 1/3 of the power from the ZD32 could be present at the

4.77dB reject load. See Table 1-2 on page 1-8 for power results when one or two

transmitters are OFF. When a backup mode is used, consideration must be given to the

maximum power in the reject load allowed by the overload and the maximum power the

load is capable of. As a result of this consideration, some variations from the chart exist

and are noted in the Factory Test Data Sheet.

The following formula can be used for calculating expected power results at the antenna

port given different power level inputs as in the last two columns of Table 1-2:

where P1, P2, and P3 are the power levels from each transmitter.

Below is an Expected Power Results for Failure Conditions table.

ZD32 System Controller

FM+HD 14kW As Indicated 3.5kW

HD only 7kW As Indicated 1.75kW

FM only 20kW As Indicated 5kW

Table 1-1 System Controller Average Power Metering

out

P1 P2 P3++()

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Section I Operator Guide

Z3-48HD+

Table 1-2 Expected Power Results for Failure Conditions

The System Controllers each display values of the selected functions on a 3-1/2” digit

panel meter. Three momentary pushbutton switches allow selection of the metering

mode for the System Controller. A momentary depression of one of the three meter

select switches will put the digital metering system into the desired mode. The meter

will remain in that selected mode until another metering selection pushbutton switch is

depressed. Following an AC power interruption the metering system will automatically

power on in the FWD PWR mode, displaying the forward output power level, in

percent of normal.

FM + HD

Power % Power % Power % Power % Power % Power % Power %

TX C 7kW 100 7kW 100 0 0 7kW 100 0 0 7kW 100 3.5kW 50

TX A 7kW 100 0 0 7kW 100 0 0 0 0 3.5kW 50 7kW 100

TX B 7kW 100 7kW 100 7kW 100 0 0 7kW 100 7kW 100 7kW 100

Z3-48 System

FWD 21kW 100 9.33kW 44 9.33kW 44 2.33kW 11 2.33kW 11 17.1kW 81 17.1kW 81

REJ 0 0 1.17kW 25 4.67kW 100 4.67kW 100 1.17kW 25 0.1kW 2 0.4kW 8

ZD32(A/B) System

FWD 14kW 100 3.5kW 25 14kW 100 0 0 3.5kW 25 10.2kW 72 14kW 100

REJ 0 0 3.5kW 100 00003.5kW 100 0.3kW 8 0 0

HD Only

Power % Power % Power % Power % Power % Power % Power %

TX C 3.5kW 100 3.5kW 100 0 0 3.5kW 100 0 0 3.5kW 100 1.75kW 50

TX A 3.5kW 100 0 0 3.5kW 100 0 0 0 0 1.75kW 50 3.5kW 100

TX B 3.5kW 100 3.5kW 100 3.5kW 100 0 0 3.5kW 100 3.5kW 100 3.5kW 100

Z3-48 System

FWD 10.5kW 100 4.67kW 44 4.67kW 44 1.17kW 11 1.67kW 11 8.55kW 81 8.54kW 81

REJ 0 0 0.58kW 25 2.33kW 100 2.33kW 100 0.58kW 25 0.05kW 2 0.2kW 8

ZD32(A/B) System

FWD 7kW 100 1.75kW 25 7kW 100 0 0 1.75kW 25 5.1kW 72 7kW 100

REJ 0 0 1.75kW 100 00001.75kW 100 0.15kW 8 0 0

FM Only

Power % Power % Power % Power % Power % Power % Power %

TX C 10kW 100 10kW 100 0 0 10kW 100 0 0 10kW 100 5kW 50

TX A 10kW 100 0 0 10kW 100 0 0 0 0 5kW 50 10kW 100

TX B 10kW 100 10kW 100 10kW 100 0 0 10kW 100 10kW 100 10kW 100

Z3-48 System

FWD 30kW 100 13.33kW 44 13.33kW 44 3.33kW 11 3.33kW 11 24.4kW 81 24.4kW 81

REJ 0 0 1.67kW 25 6.67kW 100 6.67kW 100 1.67kW 25 0.14kW 2 0.57kW 8

ZD32(A/B) System

FWD 20kW 100 5kW 25 20kW 100 0 0 5 25 14.57kW 72 20kW 100

REJ005kW100000051000.43kW 8 0 0

Two TX OFF One TX ½ Power One TX ½ Powe

Full Operation One TX OFF One TX OFF Two TX OFF

Full Operation One TX OFF One TX OFF Two TX OFF Two TX OFF One TX ½ Power One TX ½ Powe

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Harris Z3-48HD+ Technical Manual

Harris Z3-48HD+ Technical Manual

Harris Z3-48HD+ Technical Manual

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