Dimensions Unlimited 12X16B3R4T Owner's Manual

Dc to ac standby power systems

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Form: 121954D
April 2006
ISO 9001:2000 Registered Company
Dimensions Unlimited, Inc.
DC to AC Standby Power Systems
Owners Manual for Models:
12X16B3R4T
12X20B3R4T
12X25B3R4T
12X30B3R4T
12X36B3R4T
Including Options:
R1: LCD Remote Control/Status Panel
with master disconnect
Dimensions Unlimited
1

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Summary of Contents for Dimensions Unlimited 12X16B3R4T

  • Page 1 Form: 121954D April 2006 ISO 9001:2000 Registered Company Dimensions Unlimited, Inc. DC to AC Standby Power Systems Owners Manual for Models: 12X16B3R4T 12X20B3R4T 12X25B3R4T 12X30B3R4T 12X36B3R4T Including Options: R1: LCD Remote Control/Status Panel with master disconnect Dimensions Unlimited...
  • Page 2: Table Of Contents

    7.1.1 Setting the Battery Size and Type ..….…………….….. 7.1.2 Turning the SPS On ………….…………..……………..….. 7.1.3 Battery Charger Draw – Set Input ……………………... 7.1.4 LCD Remote Control/Status Panel Display Messages Troubleshooting ……………..………………..………………..….….. 7.2.1 Troubleshooting Chart ……….….…….……………….….. 7.2.2 System Flow Chart …………………………………………… Warranty ………………………………………..…………………….…… Dimensions Unlimited...
  • Page 3: Safety Instructions

    Remove all rings, watches, jewelry or other conductive items before working near • the batteries. Inspect the batteries once a year for cracks, leaks or swelling. • • Dispose of the batteries according to local regulations. Do not incinerate batteries; risk of explosion exists. Dimensions Unlimited...
  • Page 4: Specifications

    Specifications 12X16B3R4T, 12X20B3R4T, Millennium Series 12X25B3R4T, 12X30B3R4T, 12X36B3R4T Standby Power Systems Output Voltage (VAC) 120 RMS ±5% Environmentally Friendly, Output Frequency: 60 Hz ± 0.05% Quiet, Reliable, AC Power Output Waveform: Quasi-sine wave, with waveform stabilizer Input Voltage: (VDC) 11 to 14 Operating Temperature: -20°...
  • Page 5: Inverter Power Mode

    SPS was turned OFF manually. The internal transfer relay automatically switches the SPS back to “inverter power” mode in the absence of external power whenever the SPS was previously set to ON. Dimensions Unlimited...
  • Page 6: Features

    3.2.1 LCD Remote Control/Status Panel – “R1” Option: This option is the same as “R4” except the LCD Remote Control/Status Panel – “R1” part number 141315- 1 includes a 1-foot control wire extending from the back for DC master disconnect if available in the coach. Dimensions Unlimited...
  • Page 7: Sps Physical Description

    Connects to the ground system. DC input entry opening Allows the DC cables to reach the DC input terminal connector. Battery Capacity Selector Switch Sets the correct battery type and the capacity of the battery bank for proper charging. Dimensions Unlimited...
  • Page 8: Lcd Remote Control/Status Panel

    LCD Remote Control/Status Panel – R1 assembly 141315-1. A 1-foot, red wire extends from the back of the panel and connects to the “DC master disconnect switch” which is found in most recreational vehicles. Flat cable connector jack: Connects the 8-conductor flat gray signal cable coming from the SPS. Dimensions Unlimited...
  • Page 9: Installation

    Phillips screwdriver, wire cutters, wire strippers, cable ties, tape measure. 5.2 System Components: Picture Model and Description Qty. 12X16B3R4T, 12X20B3R4T, 12X25B3R4T, 12X30B3R4T, 12X36B3R4T LCD Remote Control/Status Panel assembly 141255-2 or 141315-1 LCD Remote Control/Status Panel flat cable, 611446-XX; XX: Length of the cable in feet.
  • Page 10 Front of the unit is to the right • Figure 3: SPS footprint 0.50 4.75 0.50 0.50 3.25 3.75 0.50 5.25 1.22 • All dimensions are in inches Figure 4: LCD Control panel footprint – Assemblies 141255-2 or 141315-1 Dimensions Unlimited...
  • Page 11: Dc Wiring

    Full Load SPS to battery estimated cable length in feet Model (Amps DC) 1’ – 10’ 11’ – 15’ 16’ – 20’ 12X16B3R4T 2-gauge, 250A fuse 1-gauge, 300A fuse 1/0-gauge, 350A fuse 12X20B3R4T 2-gauge, 250A fuse 1/0-gauge, 350A fuse 2/0-gauge, 400A fuse...
  • Page 12: Connecting The Dc Wires

    Allow space around the battery and especially above the battery for inspection, and • maintenance purposes. • The battery should not be able to move more than 1 inch in any direction. Install the LCD Remote Control/Status Panel last, after the batteries, DC wires and AC wires been installed. Dimensions Unlimited...
  • Page 13: Ac Wiring

    If the input cable to the unit is 14- gauge, then a 15 amps circuit protection is required. Install the LCD Remote Control/Status Panel last, after the batteries, DC wires and AC wires been installed. Dimensions Unlimited...
  • Page 14: Dc Wiring Diagram

    This feature (red wire) is available with the 141315-1 assembly panel only 12 Volts Connect the charging cables directly to the • Battery vehicle alternator whenever possible or to the OEM starting engine battery. Figure 6: DC wiring diagram Dimensions Unlimited...
  • Page 15: Ac Wiring Diagram

    Fuse Green wire - Ground Black White Green Wire Wire Wire Neutral Ground Install GFCI outlets Hubbell # GFR 5352XX (20A) or Hubbell # GFR 5252XX (15A) 120VAC 60Hz Output Remote GFCI outlet Figure 7: AC wiring diagram Dimensions Unlimited...
  • Page 16: Operation

    However, there is a one to two amps draw on the batteries when the inverter is ON and there are no AC loads which could discharge the battery(s). Dimensions Unlimited...
  • Page 17: Battery Charger Draw - Set Input

    CHGR-FLOAT MODE battery charging process. The display also indicates the battery voltage and xx.x VOLT, xxx AMP the amount of DC charge current flowing into the batteries. See tables II & III on page 15 for more information. Dimensions Unlimited...
  • Page 18 It indicates the battery charger input current limit setting. Pressing LIMIT xx AMP AC this button again will decrease the current limit. This is explained in more detail in section 7.1.3, page 16. This message will be displayed for ten seconds. Dimensions Unlimited...
  • Page 19: Troubleshooting

    INVERTER OVERLOAD Indicates immediately that the SPS output wiring is shorting or BATT xx.x VOLTS SPS is operating in an overload loads that exceed rating. This condition. message will automatically clear or the screen will go to message 5. Dimensions Unlimited...
  • Page 20 There is another source of battery CHGR-OFF HI-VOLT operating in a high DC output charging or there is a defective RESET OR SERVICE voltage condition. battery charger. Disconnect reconnect the external AC power to restart battery charger. condition persists, call Dimensions. Dimensions Unlimited...
  • Page 21: System Flow Chart

    0 0 AMP LIMIT SET amp? Start bulk mode CHGR-BULK MODE charger xx.x VOL, xxx AMP Is voltage at Bulk time = 6 acceptance 212-643-4755 hours? level? Continued on next page FIGURE 8: System flow chart Dimensions Unlimited...
  • Page 22 VOLT, xxx AMP Have 10 charge cycles Stay in float mode passed? Start voltage CHGR- COND MODE conditioning xx.x VOLT, xxx AMP Has condition Stay in voltage timer conditioning finished? FIGURE 9: System flow chart (continued from page 20) Dimensions Unlimited...
  • Page 23: Warranty

    Claims for shortage and lost shipments must be made in writing to Dimensions Unlimited, St. Paul, MN within 10 days of date of shipment. Claims not reported within this time frame will not be honored.
  • Page 24 This manual has been provided courtesy of My RV Works, Inc. www.myrvworks.com You can find more RV service manuals here: www.myrvworks.com/manuals Over the years of running a mobile RV repair service, having a dedicated place to access service manuals for all the different appliances and components found on RVs was something that I always had a desire to create.

This manual is also suitable for:

12x20b3r4t12x25b3r4t12x30b3r4t12x36b3r4t

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