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dmc3-4 Installation
Instructions
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dmc3-4 Introduction Designed to update older intercom systems, the dmc3-4 is a whole- house music communications system that uses your existing intercom 3 or 4 conductor system wire. It is designed to provide years of enjoyment and service to the homeowner. M&S audio products are backed with more than 50 years of experience in the design and manufacture of precision acoustical equipment for the home. To ensure that the homeowner receives the high-quality music and voice reproduction
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dmc3-4 Important Safety Instructions READ ALL INSTRUCTIONS CAREFULLY BEFORE INSTALLING OR USING THE DMC3-4 SYSTEM THE dmc3-4 MUST BE INSTALLED BY A M&S SYSTEMS DEALER OR INSTALLER, AND MUST CONFORM TO ALL LOCAL BUILDING AND ELECTRICAL CODES. Warning: Always follow these safety instructions. Retain these instructions for future system reference. • Read ALL safety and operating instructions before installing the dmc3-4. � Adhere to all warnings on the dmc3-4 and in these instructio
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dmc3-4 The lightning flash with arrowhead symbol within an equilateral triangle is intended to alert the user to the presence of uninsulated “dangerous voltage” within the product’s enclosure that may be of sufficient magnitude to constitute a risk of shock to persons. The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance (servicing) instructions in the literature accompanying the product. � Lo
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dmc3-4 � Upon completion of any service or product repair, have the M&S Systems dealer or installer conduct a safety check to ensure the system is in proper operating condition. � Use only a damp cloth to clean the dmc3-4 master and room stations. Do not use liquid cleaners or aerosol cleaners. Cautions: Wiring � A qualified electrician must run a 120V AC line to the dmc3-4 retrofit transformers. � Individual wire runs should not exceed more than 350 FEET of wire from any singl
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dmc3-4 � KEEP cables away from objects such as heating and air conditioning ducts, metal construction plates, and anything else with sharp edges that can damage the cables. Cautions: Room Station Rough-In Careful consideration should be used when determining the location of the room stations and master. Since this is a retrofit system you will not be able to control the location of the existing system. But please follow the guidelines below if you install any new locations: � DO NOT
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dmc3-4 Installation Overview The dmc3-4 retrofit installation is completed using the following steps: � Develop the job estimate � Removal of the old intercom system � Install the dmc1H or dmc1HC housing � Replace the room stations (note do not remove the existing room station mounting rings) � Install the optional dmc1CD player � Install the dmc3-4 master and make all room station connections � Test the system The following tools are required for the dmc3-4 installation. The use
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dmc3-4 � Wood chisel � Dry wall saw You may not need to use all these tools on each install but having them handy will make the overall installation process easier. Develop the Job Estimate It is critical that you determine the complexity of each retrofit installation prior to developing the job estimate. It is hard to predict all the unique situations you will encounter in the field. For this reason M&S Systems recommends you visit each retrofit site prior to developing a job esti
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dmc3-4 Removing the Old System Prior to removing the existing intercom system make sure all power is turned off at the intercom location. Remove the screws from the intercom master and while removing the intercom, make sure to carefully label each wire with its corresponding room location. Disconnect all the room station and door station wires from the master. Then carefully remove the existing wall housing and transformers. If the existing system was not working prior to replaceme
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dmc3-4 combination systems only – or those that include the dmc3-4 master and the optional dmc1CD 6-disc CD player. Locate wall housing dmc1H or dmc1HC (combo). The housing must be positioned so that the transformers are on the bottom of the wall housing as shown in figure 1. If you are replacing the existing master only system with a combination dmc3-4 system you will have to cut the rough-in opening larger to accommodate the larger wall housing. Prior to making the cutout check
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dmc3-4 For the dmc1HC combo wall housing have a qualified electrician loop a power wire from the TE5C transformer enclosure to the TE2C transformer enclosure following the same procedure described above and shown in TE5 C TE2 C Figure 5. Figure 4 – Transformer Figure 5 - dmc3-4HC placement transformer connection Replacing the Room Stations The DMC room and door speakers use the existing wire and speaker rough-in mounting frames or boxes. To replace the speaker, first r
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dmc3-4 Next connect the wires to the dmc retrofit room station as shown in Figure 7. Match the wire colors to the corresponding screw locations on the dmc3 or dmc4 room stations. Please make sure to use only dmc3 room stations in a 3-wire installation and dmc4 room stations in a 4-wire installation. All 6-wire installations use the DMC1 room stations. Please refer to appendix A for a diagram of which NuTone and M&S systems map to the 3, Figure 7 - Room Station Wiring - 3-Wire 4
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dmc3-4 After connecting the room station to the existing wiring using the diagrams above. Place the room station through the DMCFR plastic mounting plate. Position the plate either vertically or horizontally depending on the room station replaced. Place the room station into the rough- in ring and align the frame with the room station as shown in Figure 8. Use the screws provided with the room station to screw the room station and frame into place. The holes in the room station ali
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dmc3-4 DMC1HRWS. This is a surface mount box and cover that will support the DMC1RW, DMC3RW or DMC4RW patio speakers. To install a patio speaker follow the instructions presented above for interior room stations. Door Stations Remove the old door station but do not remove the rough-in box or surface mount box. When replacing a NuTone door speaker you must use the DMCFD finish-out frame. The M&S door station sets in the DMCFD and the screws attach to the existing rough-in. Conn
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dmc3-4 Make sure the single gang box extends past the wall stud and into the room so it will be flush with the sheetrock when it is applied. Run the Red and Black shielded audio cables (included in the AWPRX) from the master unit location to the AWP location. Connect the cables. Installing the Chime Module Install the optional chime module MC3 or MC8 in the wall housing by pressing the chime module over the 4 plastic standoffs attached to the wall housing as shown in Figure 10 - C
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dmc3-4 Installing the dmc3-4 The dmc3-4 ships configured for a 3-wire retrofit system. If you are replacing a 4-wire system you must change the jumper setup on the dmc3-4 master. The jumper change must be completed before any cables are connected. To change the jumpers just pull them off the existing connection (Figure 12) and place them in the 4-wire position show in Figure 13. Suspend the master unit from the wall housing by looping the third Figure 12 - Default, 3-Wire
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dmc3-4 marked on the inside of the door access panel on the left side of the dmc3-4 master. Connect the green wire(s) from the patio station(s) to the Patio green terminal. Connect the patio Black wire(s) to the patio Black terminal. Note: Only two patio stations can be connected to the patio terminals. Connect the Red wire with the other Red wires to the Red terminal. Connect the White wire with the other White wires to the White terminal. Refer to Figure 14 for wire placement. C
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dmc3-4 Follow the steps below to attach a NuTone 300 Ohm twin lead antenna to the dmc3-4. 1. If the antenna has a plug on the end, cut the plug off 2. Strip the 2 wire ends 3. Connect the wire ends to terminal S1 and S2 on the antenna board 4. Connect a bare jumper wire (a 22 gauge speaker wire works well) between the S3 and S4 terminals. Follow the steps below to attach a separate AM/FM antenna system with 300 Ohm FM twin lead and orange AM antenna wire: 1. Connect the FM twin leads
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dmc3-4 MC960 Power Amp Installation MS3XSC Run the MS7XSC cable from the dmc1H or dmc1HC wall housing to the remote power DMC1H amplifier. Run the MS3XSC cable from the Figure 17 - Power amp wiring remote amplifier to each volume MS3XSC control (use the SVC96 for stereo or the MVC1 for mono). From each volume control, run the MS2SXSC to each respective speaker as shown in Figure 17. The remote power amplifier should be located in a closet or MS7XSC utility closet and sho
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dmc3-4 amplifier. From each volume control location, run a MS2SXSC cable to each satellite speaker (left & right) or mono as shown in Figure 19. Install the appropriate mounting ring for each respective speaker. Follow the instructions included with the speaker for specific dimensions on the mounting ring. Secure the MS2SXSC cable from the speaker’s respective volume control to avoid drywall damage. Door Release Options The door release option is a dry contact closure provided by the d
