Description
The Johnson Controls LP-MD20D01-000C is a Facility Explorer MD20 Master Display - the supervisory controller and operator interface for a Johnson Controls Facility Explorer system. This variant is the N2 model with eight relay outputs: Johnson Controls documents the LP-MD20D01-000C as "Master Display: Includes N2 slave interface and 8 relay DOs." This unit is reconditioned.
Check the variant before you order - it decides what the display can talk to. Johnson Controls built the MD20 in six ordering codes that differ only in the communications interface fitted and the number of relay outputs. This is a hardware difference, not a setting:
* LP-MD20D00-000C - RS-232 for downloading and commissioning only; 2 relay outputs
* LP-MD20D01-000C - N2 slave interface; 8 relay outputs (this unit)
* LP-MD20D02-000C - RS-232 for download and commissioning only, plus LONWORKS interface; 8 relay outputs
* LP-MD20D03-000C - RS-232 for modem or computer; 8 relay outputs
* LP-MD20D04-000C - RS-232 for modem and computer, plus LONWORKS interface; 8 relay outputs
* LP-MD20D05-000C - N2 slave interface plus LONWORKS interface; 8 relay outputs
So if your site runs an N2 network, this is the correct display. If you need LONWORKS, you need the -D02, -D04 or -D05 instead - please ask and we will tell you what we have.
What it does. Johnson Controls describes the Master Display as a supervisory controller that "monitors and interacts with a network of Heating, Ventilating, Air Conditioning, and Refrigeration (HVACR) controllers to form a complete building or equipment control system". It has an integral graphic display with operating keys and indicators, used to view and acknowledge alarms, display historical trend data, and override the operation of monitored equipment. An embedded web server allows browser access over a telephone line and modem or by direct connection, under user ID and password control, and the display can send alarm messages by e-mail, by SMS to a mobile telephone, by fax, and to a printer. It is freely programmable with the FX Tools Pro software package.
Why a reconditioned Master Display makes sense. The Facility Explorer generation is no longer available new through Johnson Controls distribution, so for a site still running FX field controllers a working second-hand supervisory display is often the only practical way to keep the system whole - or to hold a spare against the failure of the one unit that operates the entire building. This is the part of a Facility Explorer system you least want to be without and least able to replace with new stock.
Please ask us about this particular unit before ordering. On a reconditioned supervisory controller there are two things worth confirming, and we would rather you asked than assumed: whether the graphic display and keypad have been checked as working, and whether the unit has been cleared of the previous site's configuration - schedules, trend history, event logs and user accounts. Tell us what you need and we will confirm the state of the unit in front of us.
Expand it. The MD20 takes the Facility Explorer extension and expansion boards, and we stock these as separate lines - the LP-XT91D00-000C extension module, and expansion boards including LP-XP91D02-000C (6 analogue in, 2 analogue out), LP-XP91D03-000C (8 triac outputs), LP-XP91D04-000C (4 digital in, 4 triac out), LP-XP91D05-000C (8 digital in) and LP-XP91D07-000C (4 relays, 24 V, North America). Panel mounting uses the LP-KIT020-000C panel mount kit.
* Brand / Manufacturer: Johnson Controls
* Model / Part Number: LP-MD20D01-000C
* Series: Facility Explorer MD20 Master Display
* Product Type: Supervisory controller and operator interface
* Communications: N2 slave interface
* Relay Outputs: 8
* Display: Integral graphic display with operating keys and indicators
* Remote Access: Embedded web server, browser access by modem or direct connection
* Alarm Notification: E-mail, SMS, fax, printer
* Programming: FX Tools Pro
* Expansion: LP-XT91D00-000C extension module; LP-XP91D0x expansion boards
* Condition: Reconditioned
We also hold this display new as a separate line. We stock the Facility Explorer range in depth - master displays, FX05 through FX16 field controller communication cards, network room modules, extension and expansion boards, and line power subassemblies.
Johnson Controls / Johnson Controls
LP-MD20D01-000C / LPMD20D01000C
LP-MD20D01-000C / LPMD20D01000C
Warranty Information
B2E Surplus includes a 90-day return window on all orders. If you have any issues with your order, automated returns can be opened by following the instructions located here: https://www.b2esurplus.com/returns/
Subject to the exclusions described below, all B2E Surplus products (“Products”) are warranted to be free from defects in materials and workmanship under normal use and service. Unless otherwise set forth in a quotation or agreed to by B2E Surplus in writing, standard Products are warranted for 90 days from the date of delivery to the buyer.
EXCLUSIVE REMEDY. In the event that B2E Surplus determines that a Product contains a defect in materials or workmanship, then B2E Surplus, in its sole discretion, will (a) repair the Product, (b) replace the Product, or (c) refund the purchase price of the Product. THIS LIMITED WARRANTY IS EXCLUSIVE AND IS IN LIEU OF ALL OTHER EXPRESS AND IMPLIED WARRANTIES, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE REMEDY OF REPAIR, REPLACEMENT OR REFUND IS BUYER’S SOLE AND EXCLUSIVE REMEDY UNDER THIS WARRANTY. IN NO EVENT SHALL B2E SURPLUS’ LIABILITY UNDER THIS WARRANTY EXCEED THE PURCHASE PRICE OF THE PRODUCT GIVING RISE TO THE WARRANTY CLAIM. All Products which are repaired or replaced shall be warranted only for the unexpired portion of the original warranty period.
EXCLUSIONS. This warranty does not cover (a) any failures which are not attributable to defects in materials or workmanship, including without limitation, failures caused by accidents, inadequate maintenance, misuse, unauthorized modifications or repairs, improper storage, and normal wear and tear, (b) any consumable parts or accessories, such as cutter blades, nut splitter chisels, punches, dies, chains, wedges, and strands, that are designed to wear over time or through use of the Product, or (c) electronics, motors, batteries, and engines, as these items are warranted by their manufacturer.
WARRANTY RETURNS. No Products shall be returned without prior authorization from B2E Surplus. Buyer shall prepay all shipping charges for the return of Products to B2E Surplus’ designated service location.
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B2E Surplus LLC is a non-authorized stocking distributor for this brand. We are also known as a ""surplus"", ""discount"", ""liquidator"", or ""gray market"" supplier. We are not a factory-authorized distributor of this product. The Original Manufacturer’s Warranty does not apply. B2E Surplus LLC's standard 90-day warranty will apply. B2E Surplus LLC makes no representations as to your ability or right to download, re-distribute, or otherwise obtain products from this manufacturer, its distributors, or any other source. It is your obligation to comply with the terms of any rules obtaining or installing this product.
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