Comdial Dxp Plus Instructions Manual

							Charger Chasis
Wiring Access Plate
Battery Cabinet
Screws (3 Places)
bb480j
Mounting the Charger For Double Rack Installations
bb480L
Screws (3 Places)
Charger Chasis
Wiring Access Plate
Battery Cabinet
Mounting The Charger For Below Main Cabinet Installations
Installing The External Battery Assembly IMI89–189
Installing The Battery Back Up Assembly – 5 
						

							4.0 Mounting The Battery Cabinet.
CAUTION
The complete external battery assembly is heavy. The charger chassis, empty battery cabinet, and wiring
weigh approximately 25 pounds and all the batteries together weigh approximately 130 pounds for a
combined assembly hanging weight of approximately 155 pounds.
You can mount the battery cabinet at several different locations.
·You can mount the battery cabinet on a separate backboard located to the right of the common equipment
cabinet location. Locate the battery cabinet as detailed in the illustration on the facing page.
·At sites that employ only a main equipment cabinet, you can mount the battery cabinet directly below the main
common equipment cabinet on the same backboard.
·You can mount the battery cabinet in the middle of a standard 23–inch equipment rack if you wish. This can be
a companion rack set next to the one where you have mounted the DXPPluscabinets. Alternately, you can use
a self-supporting, two-sided rack with the DXPPluscabinets mounted on one side and the battery cabinet
mounted on the other side directly behind and slightly above the main common equipment.
Remember from theSection 2.0discussion, you must attach the charger chassis to the battery cabinet in a
orientation that supports the cabinet mounting.
NOTE: The following instructions describe how to mount the battery cabinet using a backboard.
1. Add a second backboard to the right of the backboard that supports the DXPPluscommon equipment cabinet.
Be sure that this backboard bridges the studs that support the underlying wall material. Securely attach the
backboard to the mounting surface. (Suitable backboards are available commercially or you can construct one
out of 3/4-inch plywood.) You must drive the hardware that secures the backboard to the mounting surface
into the underlying wall studs instead of just into the wall material alone.
2. Refer to the illustration for the locating dimensions required for the mounting screws, and mark their locations
on the backboard. You must attach the battery cabinet vertically to the backboard.
3. Drill holes in the backboard of a proper size to accommodate the hardware being used.
4. Insert the two top screws into the backboard and tighten them to within approximately 1/8–inch of the surface.
5. Hang the cabinet on the top screws using the top mounting holes in the rear mounting flange of the cabinet.
Note that these holes are elongated with an enlargement at one end. This feature allows the cabinet to slide
down on the screws to secure the mounting when the cabinet is hung on them.
6. Use the openings for the middle and lower set of mounting screws as a guide, and mark the location for the
remaining screws.
7. Lift the cabinet from the top screws and set it aside while preparing the holes for the remaining screws.
8. Rehang the cabinet as discussed in step 6.
9. Insert the lower screws into the backboard and tighten them to within approximately 1/8-inch of the surface.
IMI89–189 Installing The External Battery Assembly
6 – Installing The Battery Back Up Assembly 
						

							Mounting The External Battery Assembly
BB480a
Installing The External Battery Assembly IMI89–189
Installing The Battery Back Up Assembly – 7 
						

							5.0 Assembling and Wiring The Batteries In The Cabinet
5.1 Installing The Batteries
Install the batteries in the cabinet with their terminals facing the cabinet opening. The batteries set in place, and
you do not need to anchor them to the cabinet.
PLUS003
Installing The Batteries
IMI89–189 Installing The External Battery Assembly
8 – Installing The Battery Back Up Assembly 
						

							5.2 Strapping The Batteries
You must strap the batteries together using the supplied strapping bars and hardware. Use three strapping bars at
each strapping location, and install the hardware as shown in the illustration.
# 10-32 Machine Screw
#10 Flat Washer
Battery Straps
Battery Terminal
#10 Flat Washer
#10 Lockwasher
#10 Hex Nut
bb480h
Attaching The Strapping Hardware
BB480c
Strapping The Batteries
Installing The External Battery Assembly IMI89–189
Installing The Battery Back Up Assembly – 9 
						

							5.3 Wiring The Batteries
The charger has a pair of negative wires and a pair of positive wires (designated by red sleeving near one end of
the wires). This two-wire arrangement divides the current carrying load between the two wires of each pair. The
cabinet’s assembly package includes two individual black wires that you use to wire the circuit breaker to the
batteries. Again, two wires divide the current carrying load between both wires.
The negative wires from the charger are terminated with smaller size terminals than the those that terminate the
charger’s positive wires. Connect the smaller (negative) terminals to the circuit breaker and the larger (positive)
terminals to the positive battery post. The individual wires that you use to connect the circuit breaker to the
battery post are also terminated with a large terminal on one end and a small terminal on the other. Connect the
smaller terminals to the circuit breaker and the larger terminals to the negative battery post.
Wire the batteries as shown in the schematic. Use the supplied hardware to connect the wires to the batteries per
method shown in the detailed drawing.
Once you have wired the batteries, attach the front cover to the cabinet with the supplied hardware.
Two Black Wires With Red Sleeving
(Positive Lead)
Two Black Wires
(Negative Lead)
Two Black Wires
(Negative Lead)
Strap (Four Places)
Batteries ChargerCircuit BreakerPLUS005
- -
-
-
--+ +
+
+
++
Connecting The Wire Harness
IMI89–189 Installing The External Battery Assembly
10 – Installing The Battery Back Up Assembly 
						

							BB480e
Installing The Front Cover
#10-32 Machine Screw
Wire Terminal
Battery Terminal
Wire Terminal
#10 Flat Washer
#10 Lockwasher
#10 Hex Nut
bb480i
Attaching The Wiring Hardware
Installing The External Battery Assembly IMI89–189
Installing The Battery Back Up Assembly – 11 
						

							6.0 Connecting The Battery Assembly To The System
1. Connect the AC power and turn on the power supply switch in both DXPPlusmain and expansion cabinets.
2. Connect a battery back-up cable between the battery assembly and the power supplies in the DXPPlusmain
and expansion cabinets.
3. The battery assembly includes a charger that maintains the batteries at full charge. Once you have installed
the battery assembly, connect its AC power cord tothe same AC outlet surge protector that powers the
DXPPlusmain common equipment cabinet.
Connecting The Battery Back Up Assembly To The System
PLUS004
Circuit Breaker
Power Line
Surge Protector
Dedicated
AC Outlet
IMI89–189 Installing The External Battery Assembly
12 – Installing The Battery Back Up Assembly 
						

							7.0 Verifying The Battery Voltage
Every three months, use an accurate voltmeter to measure the no-load voltage of the external battery assembly.
The measured voltage range should be within 27–34.5 volts when the batteries are at full charge.
If the no-load voltage is lower than 27 volts, measure the charging voltage supplied by the common equipment
cabinet. The measured charging voltage must be 35 volts maximum.
If the charging voltage is low or if the voltage of a freshly-charged battery assembly is no greater than 30 volts,
contact your technical service representative.
Green Status Lights
On = Batteries fully charges (>32 V)
On = AC power on
= +34.5 GND
= +34.5 GND
= -34.5 Volts
= -34.5 Volts
Fuse 5 AMP slow blow type
On = Batteries low (>27 V) On = Batteries under charged (>30 V){
{
PLUS002
Measured Voltage
(charger on and batteries fully charged)
Verifying The Battery Voltages
Installing The External Battery Assembly IMI89–189
Installing The Battery Back Up Assembly – 13 
						

							8.0 Special Cautionary Battery Information
·Do not dispose of batteries in a fire as the cells may explode. Check with the local codes for possible disposal
instructions.
·Do not open or mutilate the batteries. Released electrolyte is corrosive and may cause damage to the eyes or
skin. It may be toxic if swallowed.
·Exercise care in handling batteries in order not to short the battery with conducting materials such as rings,
bracelets, and keys. The battery may over-heat and cause burns.
·Charge the batteries provided with or identified for use with the DXPPlusdigital communications system only
in accordance with the instructions and limitations specified in this publication.
·Observe proper polarity orientation when installing the batteries.
·Do not mix old and new batteries in the external battery assembly.
·Do not mix batteries of different sizes or from different manufacturers in this product.
NOTICE
This symbol, when encountered on the equipment cabinet or on other
installed hardware, means: CAUTION—refer to the instruction manual.
Charlottesville, Virginia 22901-2829
R
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IMI89–189 Installing The External Battery Assembly