Manual 2100-620A - Bard D36A2P/BLD.10304 Installation And Service Instructions Manual

Replacement parts manual dc free cooling unit system two (2) d-series dual-tec™ wall-mounted package one (1) bard-linktm plc lead/lag controller controller models lc1000-100/bld.10293, lc1500-100/bld.10291
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Run Test Approximate Timings (in Minutes)
Blower
On: 0:00
Damper
Open: 0:00 – 2:40
Closed: 2:41 – 4:57
Compressor On: 4:58
Off: 6:00
Heat
On: 6:01
Off: 7:10
Blower
Off: 8:19
Adjusting Date and Time
1. Go to Clock/Scheduler menu, press ENTER key.
2. Move the cursor to the selected choice by pressing
the ENTER key.
3. Press UP or DOWN arrow keys to change the date
and/or time. The day will automatically change
when the date has been altered.
Setting Continuous Blower
1. Go to Setpoint menu, press ENTER key.
2. Go to Blower Settings screen, move the cursor to
the selected choice by pressing the ENTER key.
3. Press UP or DOWN arrow keys to change the
desired value:
Lead: Lead unit blower only
Both: Both units continuous
Advancing Lead/Lag Positions
1. Go to Clock/Scheduler menu, press ENTER key.
2. Go to Unit Rotation screen.
3. To switch lead unit: Move the cursor to the selected
choice by pressing the ENTER key. Press UP or
DOWN arrow keys to change the desired value. Unit
rotation will change from 1 to 2 or 2 to 1.
Changing to Celsius
1. Go to Factory menu, press ENTER key.
2. Go to Configuration menu. Move the cursor to
Temperature Unit by pressing the ENTER key.
Press UP or DOWN arrow keys to change to °C.
This will be a global change within the units on the
structure; the temperature value will be displayed
in °C for all locations within the display.
Calibrating Sensors
1. Go to Technician menu, press ENTER key.
2. Go to Service Settings menu, press ENTER key.
3. Go to Probe Adjustment, press ENTER key.
4. Move the cursor to enter the offset to the
temperature value.
Example: The sensor reading displays on the
screen as 80°F and the actual measured value
using a calibrated sensor is 77°F. Enter an offset
of -3.0°F to display the temperature correctly. An
offset of -9.9°F to +9.9°F can be entered.
Resetting Controller Model/Serial Numbers
1. Go to Factory menu, press ENTER key.
2. Go to Factory Settings screen, press ENTER key.
3. Press the ENTER key to move the cursor to the
Serial Number selection. Press and hold UP or
DOWN arrow keys to get to the desired value and
then press ENTER key. Repeat for the rest of the
digits/characters: Press and hold UP or DOWN
arrow keys to get to the desired value and then
press ENTER key to key in next digits/characters.
4. Model number is entered by the factory. In the
case it is accidently changed, the field technicians
will need to enter the model number. Follow Step
3 above to enter the model number in the same
fashion that the serial number was entered.
Configuring Additional Remote Indoor Temperature
Sensors
Follow the steps below to configure additional remote
indoor temperature sensors. The default remote
sensor supplied by Bard is identified as B01, the
first additional sensor added is B02 and the second
additional sensor is B03 (see page 23 for directions on
connecting the additional remote sensors to teminals
13 and 14 (B02) and 15 and 16 (B03).
1. Go to Technician menu, press ENTER key.
2. Go to Service Settings menu, press ENTER key.
3. Go to Control Settings, press ENTER key.
4. Use the ENTER key to select Remote Sensors.
The number displayed is the quantity of additional
remote indoor temperate sensors installed. The
default setting is 0 meaning only the remote sensor
supplied by Bard with the contoller is installed.
5. Press the UP or DOWN arrow keys to enter quantity
of additional remote sensors installed—1 or 2.
6. Move the cursor to Control using the ENTER key
to pick AVERAGE (default) or HIGHEST for the
sensors to control and maintain space temperature.
Disabling One Unit/Control and Making the Controller
Work with Only One Unit
1. Go to Setpoint menu, press ENTER key.
2. Press UP or DOWN arrow keys to go to the screen
where it displays Number of Units and press
ENTER key.
3. Change the value of Number of Units by pressing
the DOWN arrow once to change to One (1), then
press ENTER key.
An outdoor unit may now be powered down for an
indefinite period of time for repairs or maintenance.
The controller will operate on one system only.

Manual 2100-620A

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