Liebert RAC2-8 Uživatelský manuál

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Section 3: Operation This chapter describes how to use the RAC2-8. Local The following screens are displayed at the LCD display built into the RAC2

Section 3: Operation Sequencing Status Screens (cont’d.) AUTO SEQUENCING ON DAY 06 OF 15 <00:00> TEMP STAGING OFF Each screen is automatical

Section 3: Operation STATUS MENU 1. UNITS 2. T/H 3. A-DELAY 4. R-DELAY 5. H-DELAY 6. RETURN 1. UNITS From the Status Sub-menu, press 1. UNITS

Section 3: Operation Status Sub-menu (cont’d) The Alarm Delays screen indicates the time in seconds of an active delay on each unit. Active alarm del

Section 3: Operation From the Set Units menu, select 1. ZONES/UNITS to select the number of zones, number of units in each zone, and operating status

Section 3: Operation From the Set Units menu, press 4. SHUTDOWN to display the Shutdown on Alarm screen: SHUTDOWN ON ALARM 01-Y 02-Y 03-Y 04-Y 05-Y 0

Section 3: Operation From the Set Delays menu, press 3. UNIT RESTART to configure the restart delay: ENTER RESTART DELAY <00.1> XX.X MINUTES TH

Section 3: Operation 1. F 2. C 5. RETURN From the T/H menu, press 4. LOCK to configure the optional Humidity Lockout feature: HUMIDITY LOCKOUT SET

Section 3: Operation Press 1. NEW PASSWORD to set a new four-digit password for the system, then follow the instruction on the screens: ENTER NEW PAS

Section 3: Operation Set Clock Sub-menu From the Main Menu, press 4. SET CLOCK to display the Set Clock Sub-menu: SET CLOCK MENU 1. DATE 2. TIME 3.

TABLE OF CONTENTS SECTION 1: INTRODUCTION... 1

Section 3: Operation The Override function lets you manually force a unit ON or OFF, or to restore a forced unit to the normal control of the RAC2-8

Section 3: Operation Terminal A local terminal can be connected directly by an EIA-232 communication cable to the RAC2-8, or a remote terminal can b

Section 3: Operation Status Screen The Status screen is displayed by pressing the <S> key (no password required) or by pressing the <1> k

Section 3: Operation Setup Zones/Units Options Press 2 from the Main Menu to display the Set Options menu. The following screens show the terminal d

Section 3: Operation 2 02 1 RUNNING 3 03 1 RUNNING 4 04 1 STANDBY 5 05 2 RUNNING 6 06 2 STANDBY 7 07 0 UNPROGRAMMED 8 08 0

Section 3: Operation 8 08 0 NO PRESS UNIT (1-8) KEY <ESC TO QUIT> 1 20 • User Manual (9/97)

Section 3: Operation Unit Labels The RAC2-8 will accept any 2 digit label if you prefer something other than 01 through 08. SET OPTIONS MENU ** SET

Section 3: Operation Override A Unit Press 6 from the Main Menu to display the Override a Unit screen. A unit can be Forced ON, Forced OFF, or Restor

Section 3: Operation Set Modem Options Press 7 from the Main Menu to display the Set Modem Options screen. RAC2-8 MAIN MENU ** SET MODEM OPTIONS **

Section 3: Operation Set Modem Options (cont’d) Hang up on DTR on-off transition Model 1200: SW1 up and SW10 down Model 2400: &D3 Track status

TABLE OF FIGURES Figure i. Typical System Configuration...

Section 3: Operation Setup Standby Unit Options Press 9 from the Main Menu to display the Set Standby Unit Options screen: RAC2-8 MAIN MENU ** SET

Section 3: Operation Display SS Alarm Block This display is useful to a Liebert Customer Engineer for system diagnostics. Set New Password Press P fr

Section 4: Glossary of Control Functions The following terms are used to describe the control and operation of the Liebert RAC2-8. For each term, bo

Section 4: Glossary of Control Functions Alarm Annunciation The RAC2-8 provides the following alarm annunciation mechanisms: • Audible indication (ho

Section 4: Glossary of Control Functions unit is turned ON. During the Hold Delay no alarms are annunciated from the started unit or any unit in the s

Section 4: Glossary of Control Functions If a zone includes more than 1 Standby unit, the same actions occur. At the end of each Interval, one unit is

Section 4: Glossary of Control Functions Delay Refer to Alarm Delay, Hold Delay, and Restart Delay. E key The Enter key <E> at the local control

Section 4: Glossary of Control Functions Humidity Alarms Humidity alarms are caused when the humidity detected by the remote sensor in Zone 1 exceeds

Section 4: Glossary of Control Functions Normal Temperature Refer to Temperature Staging. Override The RAC2-8 allows manual control of units from the

Section 4: Glossary of Control Functions Restart Delay The length of time between a request to turn ON a unit and when the unit is actually turned ON.

Liebert RAC2-8 • iii Figure i. Typical System ConfigurationRAC2-8 N.O. Power Source 120 VAC Control Input Common Alarm Output UNIT 1 ControlInpu

Section 4: Glossary of Control Functions Running status. Standby units can be turned ON by Autochangeover, Autosequencing, or Standby Testing. Tempera

Section 4: Glossary of Control Functions Zones Each area (room) controlled by the RAC2-8 is called a Zone. Zones are numbered 1 through 4. Zone 1 shou

Liebert RAC2-8 • 37 Section 5: Installation Select a location for the RAC2-8 that is convenient for both operation and cable routing. If the appli

Section 5: Installation 3. Using wire cutters, carefully snip and remove the C5 capacitor at the K5 common alarm on the interface board. Refer to the

Section 5: Installation Dwg No. 154538 Issued: 7/31/97 Figure 5–1. RAC2-8 Dimensional Enclosure Diagram Liebert RAC2-8 • 39

Section 5: Installation Dwg No. 154539 Issued: 7/31/97 Figure 5–2. RAC2-8 Component Arrangement 40 • User Manual (9/97)

Section 5: Installation Dwg No. 154540 Issued: 7/31/97 Figure 5–3. RAC2-8 Connection Diagram Liebert RAC2-8 • 41

Section 5: Installation Dwg No. 154541 Issued: 7/31/97 Figure 5–4. RAC2-8 Switch and Jumper Settings 42 • User Manual (9/97)

Liebert RAC2-8 • 1 Section 1: Introduction The Liebert RAC2-8 remotely controls from two to eight environmental units. Each unit is assigned to a

Section 2: Start Up To start up the RAC2-8: 1. Mount unit to wall. 2. Connect cables. 3. Set switches and jumpers on circuit boards as required

4 • User Manual (9/97)