Heritage MedCall HM-535 Installation And Service Instructions Manual Download Page 1 | Manualshive

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430-535 0104 © 2004 Heritage MedCall, Inc

Model HM-535

Power Supply

Installation

and Service

Instructions

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Summary of Contents for HM-535

Page 1: ...430 535 0104 2004 Heritage MedCall Inc Model HM 535 Power Supply Installation and Service Instructions ...

Page 2: ...ontact a qualified electrician to have one properly installed 6 This power supply should be serviced only by a qualified service personnel Contact nearest Sentry authorized service facility for examination repair or adjustment 7 The installation of this device must be in accordance with instructions and all applicable local codes and requirements 8 High Voltage connections inside Operate only with...

Page 3: ... the door to open NOTE the unit will get hot to the touch and must be installed in a safe non confined location Never obstruct the air ventilation holes DC voltage and data wires are intended to run out of the cabinet through the knock outs in the right side Install a wire clamp or grommet in the hole The AC power cord or supply wiring should run through the knock out in the bottom or left side Se...

Page 4: ...the door hinge at the bottom or top The supplied cable length is 36 Mount the battery box to the wall with screws or anchors Note that the battery weighs almost 15 pounds and the box must be securely mounted Route the battery cable to the battery through a knock out in the box side Install a plastic grommet supplied to protect the wire Install the push on connectors to the battery after the power ...

Page 5: ...es Loss of data for 30 seconds will reset the controller and will allow the supply to turn on If disconnecting the data wires restores the output reboot the master controller C If removing the load cycling the AC supply Off and disconnecting the data wires does not restore the DC output the switching power supply has probably failed Replace with a new one Call Sentry for information on replacement...

Page 6: ... for service parts 3 4 AC POWER If all of the indicators are off the supply has lost power and the battery is disconnected or drained Check the AC power to the supply Test the AC terminal block for 117V AC 3 5 BATTERY The LOW BATT indicator will light when the battery gets discharged below 10V or if the battery fuse is open Check the battery fuse on the bottom of the PCB If necessary replace with ...

Page 7: ... is reduced to a standby amount and the battery is maintained with a float charge of 13 8 volts The battery charger is automatically inhibited if the DC power supply shuts down and during the battery test 4 4 BATTERY PROTECTION RELAY A circuit protects the battery from being drained to level that will cause permanent damage When the power supply is in the backup mode the battery will typically sup...

Page 8: ...clude the power supply s ID number and the data line number 4 8 INDICATORS Six LEDs indicate operational status of the power supply DS1 OUTPUT LED Status DS3 LPSV Low power supply voltage Indicators DS5 LOW BATTERY DS6 XMIT Data line data signal DS7 CHARGER TROUBLE DS8 IN BACKUP Indicator Descriptions OUTPUT is on when the DC output is powered either by the supply or battery LPSV indicates the pow...

Page 9: ...ows the current draw of each device Use this table to calculate the total current draw per apartment then determine how hallways or wings will be wired to figure the current draw to the apartment groups Knowing the total current in a typical apartment will also determine the maximum number of apartments that can be powered by a single HM 535 Power supply EXAMPLE The typical apartment with one host...

Page 10: ... that turn on temporarily or during call acknowledge are not figured into the total current Generally models HM 523 HM 541 HM 544 HM 545 HM 681 HM 685 and the siren mode of the HM 694 security keypad are not included in current calculations Total the current of all the devices in each apartment Divide the 12 Amps of the power supply rating by the total apartment current This will give the maximum ...

Page 11: ...sed To reduce voltage drops the number of apartments connected to a single cable and cable length is limited See the Sentry Wiring Design Guide 390 108 for more information Increasing wire gauge will decrease voltage drops At buildings with a long distance between the power supply terminal block and the closest room panel it is recommended to install a 14 gauge wire pair for the DC power to the fi...

Page 12: ... DATA DATA MODEL HM 720 120V LINE 2 COND BATTERY CABLE THE SENTRY MODEL HM 535 POWER SUPPLY UNIT IS SUPPLIED WITH MODEL HM 720 BATTERY ENCLOSURE MODEL HM 732 BATTERY MODEL HM 832 BATTERY CABLE 36 ORDER THE TERMINAL BOARD SEPARATELY 14 DC POWER CABLE 2 COND 2 COND DATA WIRE SEE 430 588 INSTALLATION GUIDE FOR ADDITIONAL INFORMATION ON TERMINAL BOARD WIRING POWER SUPPLY MAY REQUIRE HARD WIRING CONNEC...

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