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Wheelock ZC-312, Installation Instructions Manual

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Wheelock ZC-312 Installation Instructions Manual Download Page 5

Additionally, the ZC-312 can be programmed for use with a Wheelock TPI-100 Interface which produces paging from a Station Level, or Centrex line, as 
shown in Chart 7. 

 
 
 
 

CHART 7 

TPI-100 INTERFACE FOR STATION LEVEL, CO, OR CENTREX PAGING SYSTEM PROGRAMMABLE FUNCTION 

 
 

FUNCTION 

CHOICES FOR SYSTEM 

Station level, CO or 
Centrex line paging 

"LO" with Wheelock TPI-100 Interface. 

(Wheelock TPI-100 
Interface is required). 

"HI" without Wheelock TPI-100 Interface. 

 
Depending upon system amplifier configuration, the amplifier functions and background music mute operation will vary, as shown in Chart 8. 
 
 
 
 

CHART 8 

AMPLIFIER CONFIGURATIONS, FUNCTIONS, AND MUSIC MUTE OPERATION 

 

 

AMPLIFIER CONFIGURATION 

FUNCTION 

MUSIC MUTE OPERATION 

(A)  One (1) Central Amplifier 

Paging & Music 

Paging any zone will mute music in 
all zones. 

(B)  Two (2) Central Amplifiers 

One for Paging 

and 

One for Music 

Music is muted only in the paged 
zone(s). 

(C)  Zone Amplifiers,  
      Line Preamplifiers 
      Speaker Amplifiers 

 

Paging & Music 

Music is muted only in the paged 
zone(s) 

(D)  Mixed 
      (A) & (C) Above 

 
 

Paging & Music 

1.  Central Amplifier Zones: 
     Paging mutes music in all  
     zones. 
2.  Zone Amplifier Zones: 
    Music is muted only in  
    the paged zone(s). 

(E)  Mixed 
     (B) & (C) Above 

Paging & Music 

Music is muted only in the paged  
zone(s). 

NOTES 

1.  The talkback function is centrally controlled in the ZC-312, and can be selected per Zone for 
     Configurations (A) and (B), as well as the (A) and (B) segments of mixed systems (D) and (E). 
2.  Mixed amplifier configurations (D) and (E) cannot be applied within the same zone group. 
3.  When 2 central amplifiers are used, music will be muted in All Zones only when a Talkback Zone is  
     accessed. 

 
 
 
 
 
 
 
 
 
 

P81982 K 

Sheet 5 of 21 

The following application diagrams show the seven basic system configurations of the ZC-312 and its companion ZEM-3 Zone Expansion Modules.  All 
of these configurations are possible with the appropriate programming switch selections.  Figures 2, 3, 4, and 5 are typical configurations using central 
amplifiers.  Figure 6 is a typical configuration using amplified speakers.  Figures 7 and 8 are typical configurations using zone amplifiers. 
 
 

Summary of Contents for ZC-312

Page 1: ...e tariffs If trouble is experienced disconnect this equipment from the telephone line to determine if it is causing the malfunction If the equipment is determined to be malfunctioning its use shall be discontinued until the problem has been corrected APPLICATION INFORMATION WARNING ANY MATERIAL EXTRAPOLATED FROM THIS DOCUMENT OR FROM WHEELOCK MANUALS OR OTHER DOCUMENTS DESCRIBING THE PRODUCT FOR U...

Page 2: ...4 zone groups 12 zones by adding up to 3 plug in ZEM 3 zone expansion modules as shown in Chart 1 and Figure 1 CHART 1 ZONE GROUPS GROUP Z0NES QTY OF ZEM 3 1 1 2 3 0 2 4 5 6 1 3 7 8 9 2 4 10 11 12 3 INTERFACE INFORMATION The ZC 312 can be connected directly to A A telephone for stand alone paging B A telephone system s unused CO line trunk port C A telephone system s 600 ohm audio page port See Fi...

Page 3: ...1 01 Zone 2 02 Zone 3 03 Zone 4 04 Zone 5 05 Zone 6 06 Zone 7 07 Zone 8 08 Zone 9 09 Zone 10 10 Zone 11 11 Zone 12 12 Zone Group 1 Zones 1 2 3 21 Zone Group 2 Zones 4 5 6 22 Zone Group 3 Zones 7 8 9 23 Zone Group 4 Zones 10 11 12 24 P81982 K Sheet 3 of 21 Each zone group can be individually programmed with group selector switches for the following group functions The amplifier type central or zone...

Page 4: ...ging in any zone will mute music in all zones 2 Two central amplifiers one for paging and one for background music For one way paging music is muted only in the zone paged For talkback paging music is muted in all zones The speech direction function is programmed on a per zone basis as described in Chart 5 CHART 5 SPEECH DIRECTION ZONE PROGRAMMABLE FUNCTION FUNCTION CHOICES PER ZONE Speech 1 One w...

Page 5: ...eaker Amplifiers Paging Music Music is muted only in the paged zone s D Mixed A C Above Paging Music 1 Central Amplifier Zones Paging mutes music in all zones 2 Zone Amplifier Zones Music is muted only in the paged zone s E Mixed B C Above Paging Music Music is muted only in the paged zone s NOTES 1 The talkback function is centrally controlled in the ZC 312 and can be selected per Zone for Config...

Page 6: ...s for paging and music The system uses speakers with built in line matching transformers for both one way paging and paging with talkback NOTE 1 If the central amplifier does not provide music mute then the background music source is connected as shown in Figure 3 2 In systems with talkback paging install one background music source only as shown DO NOT connect background music source directly to ...

Page 7: ...ntrol The system uses speakers with built in line matching transformers for both one way paging and paging with talkback NOTE 1 If the background music source has no volume control then the optional PRM 150 must be connected between the background music source and the ZC 312 MUSIC input as shown 2 In systems with talkback paging install one background music source only as shown DO NOT connect back...

Page 8: ...lt in line matching transformers for one way paging NOTES 1 If both the music central amplifier and the background music source have no volume controls then a PRM 150 must be connected between the background music source output and the music central amplifiers input 2 Different music sources each with its associated music amplifier and optional PRM 150 as required can be used for different zone gr...

Page 9: ...transformers for both one way paging and paging with talkback NOTES 1 If both the music central amplifier and the background music source have no volume controls then a PRM 150 must be connected between the background music source output and the music central amplifiers input 2 In systems with talkback paging install one background music source only as shown DO NOT connect background music source ...

Page 10: ...ed speakers are used for one way paging and for background music A PRM 150 preamplifier is used with the background music source NOTE One music source can be used for all zone groups or different music sources can be used for different zone groups P81982 K Sheet 10 of 21 ...

Page 11: ...e amplifiers for both one way paging and background music have music muting and separate inputs volume controls for paging and music The system uses speakers with line matching transformers NOTE One music source may be used for all zones or different music sources can be used for different zones P81982 K Sheet 11 of 21 ...

Page 12: ...ers for both one way paging and background music do not provide music muting and have only one input with or without volume control The system uses speakers with line matching transformers NOTE One music source can be used for all zone groups or different music sources can be used for different zone groups P81982 K Sheet 12 of 21 ...

Page 13: ...AXIMUM CAPACITY AMPLIFIER CONFIGURATION TOTAL SYSTEM EACH ZONE GROUP CENTRAL AMPLIFIER S 150W 70V 100W 25V 70W 70V 25W 25V SEE NOTE 1 ZONE AMPLIFIERS OR SPEAKER AMPLIFIERS 150 AMPLIFIERS INPUTS 75 AMPLIFIER INPUTS SEE NOTE 2 NOTES 1 The Zone Control can switch an audio input from a central amplifier of up to 150W 70V or 100W 25V This TOTAL SYSTEM audio input can be distributed to up to 4 zone grou...

Page 14: ...MPLIFIER 1 0dBM 0 78Vrms OUTPUT IMPEDANCE TO AMPLIFIER 1 4 ohms MAX INPUT LEVEL FROM AMPLIFIER 1 100W 25V or 150W 70V central amplifier output See Note 2 AUDIO OUTPUT LEVEL MAX PER ZONE SPEAKER AMPLIFIER SELECTED 0dBM 0 78Vrms 600 Ohms AUDIO OUTPUT LEVEL MAX PER ZONE GROUP CENTRAL AMPLIFIER SELECTED 25W 25V or 70W 70V central amp output See Note 2 OPERATING TEMPERATURE RANGE 0 to 55 degrees C OPER...

Page 15: ... 12 DIAL 24 PAGE ALL ZONES ALL CALL DIAL 00 NOTES 1 Press CO line button For EKSU KSU 1A2 key telephone systems Dial number assigned For PBX telephone systems Dial telephone number For CO Centrex Line Requires TPI 100 Interface see Figure 13 Dial extension number For analog station level Requires TPI 100 interface see Figure 13 2 The ZC 312 can switch a TOTAL SYSTEM central amplifier audio input o...

Page 16: ... TB1 of each ZEM 3 module as required 6 If one Central Amplifier is used for paging and background music A Connect the input of central amplifier to AMP1 OUT terminals 11 and 12 of TB1 on the ZC 312 Connect the output of central amplifier to AMP1 IN terminals 13 and 14 of TB1 on the ZC 312 B Connect the output of central amplifier to MUSIC terminals 7 and 8 of TB2 on ZC 312 and TB1 on ZEM 3 module...

Page 17: ...ifiers See switch symbol 1 4 Set the Talk Battery selector switch symbol 4 A To the ON position when connected to a telephone systems unused CO line trunk port 600 ohm audio page port or directly to a telephone B To the OFF position when connected to a Wheelock TPI 100 Telephone Paging Interface for CO Centrex line or analog station level line paging 5 Set the TPI 100 Interface selector jumper sym...

Page 18: ...FIGURE 11 INSTALLATION PROGRAMMING AND VOLUME ADJUSTMENT DIAGRAM P81982 K Sheet 18 of 21 ...

Page 19: ...nterfaced to ring start paging applications such as a CO Centrex line or analog station level line by using Wheelock s TPI 100 Telephone Paging Interface Connect the ZC 312 to the TPI 100 as shown in Figure 13 FIGURE 13 CONNECTION TO TPI 100 INTERFACE NOTES 1 Place talk battery selector switch in the OFF position 2 Place TPI Interface selector jumper in the LO position 3 If TPI 100 and ZC 312 use ...

Page 20: ...ge 2 Check program source and adjust its volume control as desired 3 Check presence of line level music input if used at terminals on TB1 of ZC 312 Check for presence of music at terminals on TB2 of ZC 312 and TB2 of ZEM 3 modules If necessary also at speaker amplifier or central or zone amplifier inputs 3 No sound or low page volume 1 Check presence and level of audio input at Tip and Ring termin...

Page 21: ...OR THAT THE SOFTWARE WILL MEET ANY OTHER STANDARD OF PERFORMANCE OR THAT THE FUNCTIONS OR PERFORMANCE OF THE SOFTWARE WILL MEET THE USER S REQUIREMENTS WHEELOCK SHALL NOT BE LIABLE FOR ANY DELAYS BREAKDOWNS INTERRUPTIONS LOSS DESTRUCTION ALTERATION OR OTHER PROBLEMS IN THE USE OF A PRODUCT ARISING OUT OF OR CAUSED BY THE SOFTWARE THE LIABILITY OF WHEELOCK ARISING OUT OF THE SUPPLYING OF A PRODUCT ...

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