Emerson Liebert PEX+ Series User manual

Liebert. PEX+ Series Precision Air Conditioner Controller
User Manual
Version V1.3
Revision date 2013-10-31
Emerson Network Power provides customers wit tec nical support. Users may contact t e nearest
Emerson local sales office or service center.
Copyrig t © 2008 by Emerson Network Power Co., Ltd.
All rig ts reserved. T e contents in t is document are subject to c ange wit out notice.
Emerson Network Power Co., Ltd.
Address: No.1 Kefa Rd., Science & Industry Park, Nans an District 518057, S enz en C ina
Homepage: www.emersonnetworkpower.com.cn
E-mail: [e-mail]

Contents
C apter 1 Precision Air Conditioner Controller .................................................................................................................... 1
1.1 Appearance .......................................................................................................................................................... 1
1.2 Control Button ....................................................................................................................................................... 1
1.2.1 Function Description .................................................................................................................................. 1
1.3 Indicator ................................................................................................................................................................ 2
1.4 Control Interface ................................................................................................................................................... 2
1.4.1 MAIN Interface ........................................................................................................................................... 2
1.4.2 S utdown Interface .................................................................................................................................... 3
1.4.3 Password Interface .................................................................................................................................... 3
1.5 Main Menu ............................................................................................................................................................ 4
1.5.1 Submenu ................................................................................................................................................... 4
1.6 Submenu .............................................................................................................................................................. 5
1.6.1 User Menu Introduction ............................................................................................................................. 5
1.6.2 Professional Maintenance Menu Introduction ............................................................................................ 5
1.6.3 Alarm Menu ............................................................................................................................................... 5
1.6.4 Temp/Hum Setting ..................................................................................................................................... 7
1.6.5 System Status ........................................................................................................................................... 8
1.6.6 System Setting .......................................................................................................................................... 9
1.6.7 Display Setting ......................................................................................................................................... 12
1.6.8 Manual Mode ........................................................................................................................................... 13
1.6.9 Temp/Hum Grap .................................................................................................................................... 13
1.6.10 Run Hours ............................................................................................................................................. 14
1.6.11 On/Off Record ....................................................................................................................................... 14
1.6.12 Team Work ............................................................................................................................................ 15
1.7 Help Menu .......................................................................................................................................................... 15
Appendix 1 Menu Structure ............................................................................................................................................... 17
Appendix 2 Alarm Output Menu Table .............................................................................................................................. 18
Appendix 3 Parameter Setting Table ................................................................................................................................ 19

C apter 1 Precision Air Conditioner Controller 1
PACC11Z Precision Air Conditioner User Manual
Chapter 1 Precision Air Conditioner Controller
Liebert.PEX+ AC uses PACC controller (“controller” for s ort ereafter), w ic as simple user interface and easy to
operate menu structure. T is c apter describes t e appearance, control key, indicators, control interface and menus of
t e controller.
1.1 Appearance
T e controller is s own in Figure 1-1. T e display board uses 240 X 128 dot-matrix blue backlig t LCD t at can display
words and drawings clearly.
Figure 1-1 Controller appearance
1.2 Control Button
1.2.1 Function Description
T e controller provides five controls keys (see Figure 1-1), including ON/OFF, ESC, UP, DOWN and ENTER keys.
T eir detailed functions are listed in Table 1-1.
Table 1-1 Control button functions
Button Function descriptions
ON/OFF Switc on/off t e controller.
ESC
1) Press t is key to quit t e current menu and enter t e previous menu.
2) W en c anging a parameter, pressing t is key can abolis t e current parameter c ange.
3) Holding t e key can access into t e elp menu, w ic will detail values, suc as max., min., default
and a brief description of t e data fields.
4) W en an alarm is generated, pressing t e key can mute t e audio alarm.
UP 1) Press t is key to move up t e cursor or increase t e value of t e displayed parameter during
parameter setting.
UP Button-------
ENTER Button-------
DOWN Button-------
------------ON/OFF Button
------------ESC Button
LCD Screen
Running Indicator Alar Indicator

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Liebert. PEX+Series Precision Air Conditioner User Manual
2) If t e input data field is a toggle selection, pressing t e key can scroll t roug t e available options.
3) W en a menu is displayed on several screens, pressing t e key can scroll up.
ENTER Press t is key to enter t e next menu, or save t e setting after parameters are c anged.
DOWN
1) Press t is key to move down t e cursor or decrease t e value of t e displayed parameter during
parameter setting.
2) If t e menu is a toggle selection, pressing t e key can scroll t roug t e available options.
3) W en a menu is displayed on several screens, pressing t e key can scroll down.
ENTER + UP
1) It is a key combination. Press t e ENTER key, t en UP key, release t e UP key, t en ENTER key to
complete a key operation.
2) T e key combination is used to view t e state of previous air conditioner.
ENTER + DOWN
1) It is a key combination. Press t e ENTER key, t en DOWN key, release t e DOWN key, t en ENTER
key to complete a key operation.
2) T e key combination is used to view t e state of next air conditioner.
1.3 Indicator
T e controller provides two indicators: operation indicator and alarm indicator, as s own in Figure 1-1.T e functions
are described in Table 1-2.
Table 1-2 Function descriptions of indicators
Indicator Color Status Function descriptions
Operation indicator Green On T e controller is working normally
Off T e controller is not working normally
Alarm indicator Red On No alarm is generated
Blinking An alarm is generated
1.4 Control Interface
T e LCD screen displays t e communication state after t e controller is powered on. If t e controller can not
communicate wit its target interface board, t e LCD screen will prompt Communication Failure. If t e
communication is normal, t e screen will display s utdown interface or main interface, w ic depends on w et er t e
air conditioner is on or off. T e control interface includes main interface, s utdown interface and password interface.
1.4.1 MAIN Interface
If t e air conditioner is powered on, after successful communication, t e main interface will appear, as s own in Figure
1-2. If no control key activity wit in 10min, t e controller will display a screen-saving state (t e back lig ting is off). In
t e main interface, press Enter to view main menu.
T e main interface provides t e following information: date, time, week day, display board and interface board
addresses, actual temperature, temperature set point, actual umidity, umidity set point, unit working icons (including
fan, cooling, umidifying, de umidifying, eating, general alarm, locking and on/off/standby state).

PACC11Z Precision Air Conditioner User Manual
Unit workin icon
T e MAIN interface provides t ree types of unit working
and on/off/standby state icon. T ese
definitions are listed in Table 1-3.
Mode Icon
Dynamic
running state
icons
1.4.2 S utdown Interface
If t e air conditioner unit is in s utdown status, t e controller will enter s utdown interface after communication is
successful, as s own in Figure 1-3
.T e displ
conditioner unit.
Standby S utdown
D00 I002013/07/29 21:32:00 TUE
1.4.3 Password Interface
Press t e ENTER key under t e main inter
Figure 1-4
. T ree levels of passwords are provided for accessing t e menu interface. After entering t e different levels
of passwords, you can operate t e corresponding menus, and see Table
level for menus of eac password level, w ere user can operate t e menus t at require Level 1 Password, and
Emerson maintenance personnel c
an operate t e menus t at require Level 2 & 3 Passwords. T e access level for any
m
enu item is indicated by a number enclosed in brackets at t e end of eac menu, suc as [1], [2] and [3].
Actual temperature
Temperature set point
C apter 1 Precision
Air Conditioner Controller
PACC11Z Precision Air Conditioner User Manual
Figure 1-2 MAIN interface
T e MAIN interface provides t ree types of unit working
icons, including dynamic running state icon, locking state icon
and on/off/standby state icon. T ese
icons indicate t e
operation status of t e air conditioner
Table 1-3 Icon definitions
Definition Mode
Icon
Fan running Locking state
icons
Cooling state
Heating state
On/off/standby
state icons
Humidifying state
De umidifying state
General alarm
If t e air conditioner unit is in s utdown status, t e controller will enter s utdown interface after communication is
.T e displ
ayed s utdown interface is dependent on t e s utdown mode of t e air
D00 I002013/07/29 21:32:00 TUE
Remote S utdown
2013 /07 /
29 21
Unit S utdown
Figure 1-3 Shutdown interface
Press t e ENTER key under t e main inter
face or s utdown interface to enter t e password interface as s own in
. T ree levels of passwords are provided for accessing t e menu interface. After entering t e different levels
of passwords, you can operate t e corresponding menus, and see Table
1-4 for user
, initial password and t e access
level for menus of eac password level, w ere user can operate t e menus t at require Level 1 Password, and
an operate t e menus t at require Level 2 & 3 Passwords. T e access level for any
enu item is indicated by a number enclosed in brackets at t e end of eac menu, suc as [1], [2] and [3].
Date Time
weekly
-date Display board
address
Unit working icons
Actual
umidity
Humidity set
point
2013/07/26 14:51:56 FRI D00 I00
SP 24℃
RT
24℃RH
78%
SP 50%
Air Conditioner Controller
3
icons, including dynamic running state icon, locking state icon
operation status of t e air conditioner
unit. T e icons and t eir
Icon
Definition
Locking state
Unlocking state
Standby state
S ut-down state
Running state
If t e air conditioner unit is in s utdown status, t e controller will enter s utdown interface after communication is
ayed s utdown interface is dependent on t e s utdown mode of t e air
D00 I00
29 21
:32:00 TUE
Unit S utdown
face or s utdown interface to enter t e password interface as s own in
. T ree levels of passwords are provided for accessing t e menu interface. After entering t e different levels
, initial password and t e access
level for menus of eac password level, w ere user can operate t e menus t at require Level 1 Password, and
an operate t e menus t at require Level 2 & 3 Passwords. T e access level for any
enu item is indicated by a number enclosed in brackets at t e end of eac menu, suc as [1], [2] and [3].
address
umidity
point

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Liebert. PEX+Series Precision Air Conditioner User Manual
Figure 1- Password interface
Table 1- Password level
Password level User Initial password Level of access for menus
Level 1 General operator 0001 [1]
Level 2 Maintenance personnel [1], [2]
Level 3 Platform engineer [1], [2], [3]
1.5 Main Menu
T e controller menus are constructed in a tree-like structure, as s own in Appendix 1 Menu Structure Figure of
PACC Controller (Standard Configuration).
After user starts up t e unit, in t e Main Interface, press Enter to access Password Interface, and t en enter t e
main menu and eac submenu to query, set or modify t e parameters.
Enter t e main menu interface, and operate according to t e following procedures:
1. Press t e ENTER key to access t e password interface screen;
2. Press t e ENTER key to ig lig t t e input data field in t e password interface;
3. Press t e UP or DOWN key to c ange t e current number;
4. Press t e Enter key to confirm t e password and enter t e Main Menu interface.
1.5.1 Submenu
1. T e Main Menu includes 10 sub-menus and is displayed on two screens, as s own in Figure 1-5.
2. T e menus are classified into user menus and professional maintenance menus wit two different
password-protected levels. User menus are described in 1.6.1 User Menu and professional maintenance menus are
described in 1.6.2 Professional Maintenance Menus.
3. Press Up and Down in Main Menu to select submenus and press Enter to access t e maintenance level submenu.
Figure 1-5 Main Menu interface
 Note
The enu with black dot displayed on left eans this enu has sub enu or the para eter of this enu is settable.
Settin parameters of submenus
Press Up or Down to move t e cursor to t e submenu to be selected, w en t e cursor is in t e selected menu, a black
dot is displayed on t e left side of t e menu. At t is time, press Enter to access t e submenu or set t e parameters of
t is menu. T e menu is classified into t e menu wit settable parameter or t e menu wit non-settable parameter. For
t e setting ranges of t e settable menu items, refer to Appendix 3 Parameter Setting Table.
T e parameter setting operation is as follows wit ig temperature alarm control menu as an example:
1. Press Up or Down in Main Interface to move cursor to Alarm Menu.
2. Press Enter to enter t e Alarm Menu interface.

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PACC11Z Precision Air Conditioner User Manual
3. Press Up or Down in Alarm Menu to move cursor to Alarm Control Menu.
4. Press Enter to enter Alarm Control Menu.
5. Press Up or Down in Alarm Control Menu to move cursor to Hi h TEMP Alarm
6. Press Enter to ig lig t parameter bit of Hi h TEMP Alarm.
7. Press Up or Down to select parameter.
8. After selecting parameter, press Enter to confirm and validate t e parameter.
9. Press ESC to back to t e ig er level menu interface.
 Note
After changing the para eter, if you do not press Enter to confir , High TEMP Alarm will keep the original para eter value.
1.6 Submenu
1.6.1 User Menu Introduction
User menu are t e menus for user to query or set parameters. T e user menu function is described in Table 1-5.
Table 1-5 User Menu Function
User sub-menu function Pat User sub-menu function
Alarm Menu →Alarm Status Main Menu →Alarm Menu Query current alarm status
Alarm Menu →Alarm Setting Main Menu →Alarm Menu Set alarm values
Alarm Menu →Alarm History Main Menu →Alarm Menu Query istory alarm records
TEMP/HUM setting Main menu Query and set TEMP/HUM parameters
Display setting Main menu Set t e teamwork address and display contrast
TEMP/HUM Grap Main menu Query t e TEMP/HUM c ange trend wit in 6 to 48 .
1.6.2 Professional Maintenance Menu Introduction
T e professional maintenance menus are used to guide maintenance personnel to query t e running status; Set
running parameters and troubles oot t e unit. T e submenus and functions are described in Table 1-6.
Table 1-6 Functions of professional maintenance menus
User submenu Pat User submenu function
Alarm menu
→Alarm reset
Main menu
→Alarm menu
Clear some important alarm status
Alarm menu
→Alarm control
Main menu
→Alarm menu
Query and set all t e alarm controls
System status Main menu Query t e output status, input status and power status of components, and set t e
customer input parameters.
System setting Main menu Set t e parameters of unit and select operation mode.
Manual mode Main menu Manually control t e operation of eac component.
Run ours Main menu Query t e component run ours or reset run over time.
Start/stop records Main menu Query t e start/stop records of some important components (suc as fan, compressor,
umidifer and electric eater)
Teamwork menu Main menu W en multiple units are grouped toget er, query or set team work control mode, unit
number, standby unit number, overlap function, rotation number, manual rotation,
rotation period and rotation time, and query t e status of #00 to #32 units.
1.6.3 Alarm Menu
Press Up and Down in Main Menu 1/2 to move cursor to Alarm Menu and press Enter to access t e Alarm Menu
interface. T is menu as five submenus as s own in Figure 1-6.

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Figure 1-6 Alarm Menu interface
Alarm status
T is menu is used to record all active alarm events, including Active Alarms (total alarm number), ALM (alarm SN.
and alarm type), and Time (alarm occurred time and resolved time), as s own in Figure 1-7.T e controller can save up
to 100 alarm status records.
Figure 1-7 Alarm Status interface
 Note
The alar status records will be cleared auto atically upon power failure.
Alarm History
T is alarm interface is used to query t e istory alarm records, including Current Alarms (total alarm number), ALM
(alarm SN. and alarm type), and Time (alarm occurred time and resolved time) as s own in Figure 1-8.
Figure 1-8 Alarm History interface
 Note
When several alar s are generated, the alar with biggest alar SN is the latest alar , and you can press the UP or DOWN key
to scroll through the alar s. The controller can store up to 200 history alar records. They will not be cleared upon power
failure.
Alarm Reset
T e Alarm Reset menu is s own in Figure 1-9. T is menu is used to clear some important alarm status. T e menu
items can be set to YES or NO (default). If t e Reset HP1 Alarm menu item is set to YES, after HP1 alarm is
generated, its corresponding record in t e Alarm Status menu will be cleared.

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PACC11Z Precision Air Conditioner User Manual
Figure 1-9 Alarm Reset interface
Alarm Output
T e settings of t e Alarm Output menu will not be lost w en t e power fails. You can browse and set all menu items.
For detailed submenus, refer to Appendix 2 Alarm Output Menu Table.
T e Alarm Output menu is displayed in 12 screens. Press t e UP or DOWN button to select t e required submenu
item. Taking t e first screen as an example, t e menu interface is s own in Figure 1-10.
Figure 1-10 Alarm Output interface
T e menu items can be set to En, Ms or Dis
 En: W en an alarm is generated, t e Alarm Status menu will pop up wit a buzzer sound and general alarm
output. You also can find t e alarm record in t e Alarm Status and Alarm History menu.
 Msg: W en an alarm is generated, you can find alarm record in t e Alarm Status and Alarm History menu. No
any prompt exits.
 Dis: W en an alarm is generated, no record and prompt will appear.
Alarm Settin
T e alarm set point menu is s own in Figure 1-11.T e settings of t e Alarm Set Point menu will not be lost upon
power failure.
Figure 1-11 Alarm Setting interface
1.6.4 Temp/Hum Setting
Press Up and Down in Main Menu 1/2 to move cursor to Temp/Hum Settin and press Enter to access t e
Temp/Hum Settin interface, as s own in Figure 1-12.
T e set points will not be lost upon power failure.T e menu is used to set t e temperature & umidity on w ic t e air
conditioner is working and t eir sensitivities.
Figure 1-12 Temp/Hum Setting interface

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Liebert. PEX+Series Precision Air Conditioner User Manual
1.6.5 System Status
Select Main Menu 1/2 -> System Status to enter t e System Status menu, as s own in Figure 1-13. You can browse
t e input status, output status, and power status of t e air conditioner components or set t e Customer Input Status
items.
Figure 1-13 System Status interface
Output Status
T e Output Status menu is s own in Figure 1-14.
Figure 1-1 Output Status interfaces
Input Status
T e Input Status menus are displayed on five screens. Press t e UP or DOWN key to select t e required menu item.
Taking t e first screen as an example, t e interface appears as s own in Figure 1-15. For detailed menus, refer to
Appendix 1 Menu Structure.
Figure 1-15 Input status interface
For t e NTC0 Temp, Supply Air / Coil Temp, Water / Disc arge1 Temp, and Water / Disc arge2 Temp in fift screen,
user can enter t e self-defined status. Eac sub-menu interface is s own in Figure 1-16.

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PACC11Z Precision Air Conditioner User Manual
Figure 1-16 NTC interfaces
Power Status
T e Power Status menu is as s own in Figure 1-17.You can browse t e input power status of t e air conditioner:
A-P ase Voltage, B-P ase Voltage, C-P ase Voltage and Power Frequency.
Figure 1-17 Power Status interface
1.6.6 System Setting
Press Up and Down in Main Menu 1/2 to move cursor to System Settin and press Enter to enter t e System
Settin . T e menu is displayed in two screens, as s own in Figure 1-18.
Figure 1-18 System Setting interface
TEMP Control
T e TEMP Control menu is displayed on two screens, as s own in Figure 1-19.
Only platform engineer can access t e latter seven menu items.
Figure 1-19 Temp Control interface
HUM Control
T e HUM Control menu is displayed on two screens, as s own in Figure 1-20. Only platform engineer can access t e
menu.

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Liebert. PEX+Series Precision Air Conditioner User Manual
Figure 1-20 Hum Control interface
Input setup
T e Input Setup menu is s own in Figure 1-20. Only platform engineer can access t e menu.
Figure 1-21 Input Setup interface
System Confi
T e System Confi menu is s own in Figure 1-22.
Figure 1-22 System Config interface
1. Config Menu
T e Confi Menu menu is s own in Figure 1-23. Only platform engineer can access t e menu.
Figure 1-23 Config Menu interface
2. Delay Setup
T e Delay Setup menu is displayed on two screens, as s own in Figure 1-24.
Figure 1-2 Delay Setup interface
3. Airflow Detect

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PACC11Z Precision Air Conditioner User Manual
T e Airflow Detect menu is s own in Figure 1-25.
Figure 1-25 Airflow Detect interface
CW Settin
T e CW Settin menu is s own in Figure 1-29.
Figure 1-26 CW Setting interface
EC Fan Control
T e EC Fan Control menu is s own in Figure 1-28.
Figure 1-27 EC Fan Control interface
Sensor Calibration
T e Sensor Calibration menu is s own in Figure 1-28.
Figure 1-28 Sensor Calibration interface
Monitor Settin
T e Monitor Settin menu is s own in Figure 1-29.

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Figure 1-29 Monitor Setting interface
Time/Date Settin
T e Time/Date Settin interface is as s own in Figure 1-30.
Figure 1-30 Time/Date Setting interface
Shutdown Mode
T e Shutdown Mode menu is as s own in Figure 1-31. Only t e platform engineer can access t e menu.
Figure 1-31 Shutdown Mode interface
Password setup
T e Password Setup menu is s own in Figure 1-32.
T e operators wit level 1 or 2 password can c ange t e password t roug t e menu. Press t e ENTER button to
validate t e c anged values, you can use t e new password to access t e menus.
Figure 1-32 Password Setup interface
Parameter Reset
T e Parameter Reset interface is s own in Figure 1-33.
Figure 1-33 Parameter Reset interface
1.6.7 Display Setting
Press Up and Down in Main Menu 1/2 to move cursor to Display Settin and press Enter to access t e display
setting submenu, as s own in Figure 1-34.
T e display setting can set t e CAN communication address of display board in team work mode.

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PACC11Z Precision Air Conditioner User Manual
Figure 1-3 Display Setting interface
1.6.8 Manual Mode
Press Up and Down in Main Menu 2/2 to move cursor to Manual Mode and press Enter to access t e Manual Mode,
as s own in Figure 1-34.
T e controller will be in manual mode w en “Manual” setting is set to “On”. In t is mode, you can set w et er ot er
parts will run and t e operation status. Set “Manual” to “Off”, t e controller will exit manual mode and enter to auto
mode. In manual mode, after t e controller restarts, t e controller will restore to auto mode.
Figure 1-35 Manual Mode interface
1.6.9 Temp/Hum Grap
Press Up and Down in Main Menu 2/2 to move cursor to Temp/Hum Graph and press Enter to access t e
Temp/Hum Graph, as s own in Figure 1-36.T roug t e menu, you can browse t e temperature and umidity grap s,
w ic reflect t e temperature and umidity c anges over a period of time in t e past.
Figure 1-36 Temp/Hum Graph interface
1. Select Temp/Hum Graph -> Return Temp Graph to enter t e Return Temp Graph submenu, as s own in Figure
1-37.
In t e grap , current temperature is t e origin, time is t e orizontal axis and temperature is t e vertical axis. T e
grap can display t e temperature c anges from 6 to 48 t roug zooming operation and controlling t e cursor
movement. Pressing t e UP or DOWN button moves t e cursor to t e required zoom-control bar. Press t e ENTER
button to enter editing status and t en press t e UP or DOWN button to zoom t e grap in or out.
Figure 1-37 Return Temp Graph interface

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2. Select Temp/Hum Graph -> Return Hum Graph to enter t e Return Hum Graph submenu, as s own in Figure
1-38.
In t e grap , current umidity is t e origin, time is t e orizontal axis and umidity is t e vertical axis. T e grap can
display t e umidity c anges from 6 to 48 t roug zooming operation and controlling t e cursor movement.
Pressing t e UP or DOWN button moves t e cursor to t e required zoom-control bar. Press t e ENTER button to enter
editing status and t en press t e UP or DOWN button to zoom t e grap in or out.
Figure 1-38 Return Hum Graph interface
1.6.10 Run Hours
Press Up and Down in Main Menu 2/2 to move cursor to Run Hours and press Enter to access t e Run Hours, as
s own in Figure 1-39.User can browse t e total run ours of fan, compressor, eater and umidifier, and set operation
Service Interval.
Figure 1-39 Run Hours interface
T e "run ours" submenus of fan, compressor, eater and umidifier are similar, taking fan run ours as an example,
t e submenu interface is s own in Figure 1-40.In t is menu, user can view t e total run ours of t e fan. If t e ours in
Total Run Hours of fan exceed t at in Run Hours Threshold, t e system will generate an alarm to alert t e
maintenance personnel for fan maintenance. After t e fan is maintained, t e Total Run Hours will be cleared. After
setting t e HRS Exceeded Reset to Yes, t e maintenance personnel can reset t e Run Hours Threshold.
Figure 1- 0 Fan Run Hours interface
1.6.11 On/Off Record
Select t e On/Off Record in t e Main Menu 2/2 interface and press t e ENTER button to access t e On/Off Record
menu, as s own in Figure 1-41. Only factory platform personnel can access t e menu.
T is menu is used to record t e on/off information of t e important components, suc as fan, compressor, electrical
eater and umidifier. T ese records provide a base and reference to maintenance personnel for part service.

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Figure 1- 1 On/off Record interface
T e Fan, Comp1, Comp2, Heater1, Heater2 and Hum ave similar submenus. Taking t e Fan On/Off Record menu
for example, t e submenu interface is s own in Figure 1-42. T e menu items include Records (total record number),
No. (record SN) and Time (fan on and off time).
Figure 1- 2 Fan On/Off Record interface
1.6.12 Team Work
Select Main Menu 2/2 -> Team Work to enter t e Team Work menu. T e menu is displayed in t ree screens, as
s own in Figure 1-43. T e second and t ird screen s ow t e working status of #00 ~ #31 units. T e teamwork mode
can be set to Sin le, 0, 1, 2 or 3, w ic are applicable to different cases, as follows:
 Single: Eac unit operates independently wit out communication wit eac ot er.
 0: Eac unit operates independently. But t e communication exits among t em.
 1: It is applicable to t e case wit an even temperature & umidity load.
 2: It is applicable to t e case wit an uneven temperature & umidity load. Eac unit independently computes t e
individual requirement.
 3: It is applicable to t e case wit an uneven temperature & umidity load. T e lead unit distributes t e
requirement for eac unit.
Figure 1- 3 Team Work interface
1.7 Help Menu
Press and old t e ESC button in any menu interface and t e elp interface will appear, as s own in Figure 1-44.
Figure 1- Help interface

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Appendix Menu Structure 17
PACC11Z Precision Air Conditioner User Manual
Appendix 1 Menu Structure
Restore backup
Restore default
#00-#31
Units Status
Manual
Rotation
Mode
Units Qty
Standby Qty
Cascade
Rotation Qty
Rotation Freq
Rotate At
Alarm S
tatus
Alarm menu
Main menu
refer to Appendix 2 Alarm
Control Menu Table
Alarm History
Alarm Reset
Alarm Output
Alarm Setting
Reset HP1
alarm
Reset HP2
alarm
Reset LP1
alarm
Reset LP2
alarm
Reset alarm
istory
Hig Return Temp
Low Return Temp
Hig Return Hum
Low Return Hum
Hig Supply Temp
Frost Low Pressure
Disc arge Hig Temp
Disc arge Low Temp
Temp/Hum Setting System Status
Return Temp
Setpoint
Return Temp
Band
Supply Temp
Setpoint
Return Hum
Setpoint
Output
status
Fan
Fill
De um
Hum
Cool 1
Cool 2
Heat1
Heat2
HGBP
General Alarm
Analog Output1
Analog Output2
Analog Output
3
LLBP1
LLBP2
SCR output 1
SCR output 2
HP1
HP2
LP1
LP2
Coil Frost1
Coil Frost2
Fan overload
Remote S utdown
Loss Of Airflow
Hum Alarm
Hum Hig Detect
Water Underfloor
Input
status
Smoke Detected
Heater
Customer input1
Customer input2
ESP Sensor1
ESP Sensor2
LP Sensor1
LP Sensor2
NTC0 Temp
Supply Air/Coil
Temp
CW/Disc arge2
Temp
CW/Disc arge2
Temp
A-p ase voltage
B-p ase voltage
C-p ase voltage
Power
status
Power Fre
quency
System Setting
Time/Date Setting
Temp
Control
Temp DeadBand
Temp Ctrl Type
Control Mode
Sample Time
I Parameter
D
Parameter
Proportional Max
Integral Max
Differential Max
Fill Rate
Prefill time
Run interval
Hum time
Fill time
Flus Time
Hum DeadBand
Disable Hum W en Heat
General alarm
Remote s utdown
Hum Ctrl Type
Analog input 1
Analog input 2
Analog input 3
Hum
Control
Input
setup
System Config
Config menu
Delay setup
Comp Quantity
CW Source
Airflow Detect
Fan start delay
Fan stop delay
Comp Min OFF Time
Comp Swap Mode
LP Delay time
Comp Swap Interval
Comp Start Interval
LLBP Pre-time
LLBP Post-time
Detect mode
DT Alarm Setpoint
Sensor
Calibration
Communication
S utdown Mode
Password setup
Parameter reset
Return Temp Calibrated
Return Hum Calibrated
Protocol
Monitor ID
Band rate
Monitor S utdown
Level 1
Level 2
Parameter backup
Temp/Hum Grap Run ours
Return Temp
Grap
Return Hum
Grap
Fan
Run Hours
Humidifier
Run ours
Comp1
Run Hours
Comp2
Run ours
Heater1
Run
Hours
Heater2
Run ours
Total Run Hours
Run Hours T res old
HRS Exceeded Reset
Total Run Hours
Run Hours T res old
HRS Exceeded Reset
HRS Exceeded Reset
Run Hours T res old
Total Run Hours
Total Run Hours
Run Hours T res old
HRS Exceeded Reset
Total Run Hours
Run Hours T res old
HRS Exceeded Reset
Total Run Hours
Run Hours T res old
HRS Exceeded Reset
On/off record Team work
Fan on/off
Record
Comp1
on/off
Record
Comp2 on/off
Record
Heater
1 on/off
Record
Heater
2 on/off
Record
HUM on/off
Record
Comp Min ON Time
Heater Quantity
Humidifier Type
Comp Cool type
LP Sensor Type
PID C ange Max
De um Low Limit
Analog input 4
Smoke Input
Heater Input
Customer Input1
Customer Input2
CW Setting
CW Run mode
CW default
CW Rotation Time
CW Detection Time
CW Loss Temp
CW/Comp S ift DT
2Port Valve Flus
EC Fan Control
Fan Ctrl Mode
Fanspeed STD
ESP Control Period
ESP Sensor Quantity
Fanspeed MIN
ESP Sensor1 Weig t
ESP Sensor2 Weig t
ESP Setpoint
Activation Code
Enable Activation Code
Display Setting
Display Address
Display Contrast
Display Group
Manual mode
Return Hum
Band

18 Appendix 3 Parameter Setting Table
PACC11Z Precision Air Conditioner User Manual
Appendix 2 Alarm Output Menu Table
Alar Output
High Return Te p Low Return Te p High Return Hu Low Return Hu
Co p1 High Pressure Co p2 High Pressure Co p1 Low Pressure Co p2 Low Pressure
LP Sensor1 Fail LP Sensor2 Fail High Pressure1 Lock High Pressure2 Lock
Low Pressure1 Lock Low Pressure2 Lock Discharge1 High Te p Discharge2 High Te p
Discharge1 Low Te p Discharge2 Low Te p Dschg1 High Te p Lock Dschg2 High Te p Lock
Dschg1 Low Te p Lock Dschg2 Low Te p Lock Loss Of Power Overvoltage
Undervoltage Frequency Offset Phase Loss Phase Reverse
Re ote Shutdown High Supply Te p Fan Overload Loss Of Airflow
Loss Of Waterflow A Loss Of Waterflow B Coil1 Frost Coil2 Frost
Filter Maintenance Hu idifier Fail Hu idifier High Water Stat Pres Sensor Fail
Te p/Hu Board Fail S oke Detected Alar Heater Alar Custo er Input1
Custo er Input2 Water Underfloor NTC1 Fail NTC2 Fail
NTC3 Fail Unit Addr Overlap Loss Of Slave Unit Loss Of Master Unit
Fan HRS Exceeded Hu HRS Exceeded Co p1 HRS Exceeded Co p2 HRS Exceeded
Heater1 HRS Exceeded Heater2 HRS Exceeded