McQuay OM 1057 User manual

OM 1057
Group: PDAC/PDHP
Part Number:910105018
Date: October 2009
ProgrammableAutomatic Changeover
Digital Controls
For McQuay “Applied” Package TerminalAir Conditioners and Heat Pumps
(Models PDAC and PDHP)
Operation Manual
©2009 McQuay International • www.mcquay.com • 800-432-1342

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Contents
Display Features & User Control
Interface............................................... 3
Mode Selection..............................4-14
Cool................................................5
Auto.............................................6,7
Fan.................................................8
Heat................................................9
Temperature................................. 10
Fan................................................11
Continuous................................11
Cycle........................................ 12
Sleep............................................13
How the “SLEEP” Mode Works...... 14
Program Features........................15-19
Setting the Clock.......................... 15
7-day Program Control................. 16
Manual vs. Program Mode........... 17
Manual Program Override............ 18
Navigating the Program ............... 19
Program Setup Mode ..................20-25
#1 Set Day ................................... 20
#2 Set Period ............................... 21
#3 Set Start Time ......................... 22
#4 Heat Setting ............................ 23
#5 Cool Setting.............................24
“Simpleset”................................... 25
Control “LOCKOUT” Feature .......26
Self Diagnostics...........................27-28

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Display Features and User Control Interface
Fan Speed
Indicator Lights
Mode Indicator Lights
Fan Mode Indicator Lights
Operating Mode & Room Temperature
7- Push Button User Interface
Clock with AM/PM Indicator

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Mode Selection
Press to “toggle”
to desired run mode.
 ●COOL
 ●COOL/DRY
 ●FAN
 ●HEAT
Press the “MODE” button to toggle through & select operating mode.

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Press to Select:
 ●COOL
 ●AUTO
 ●FAN
 ●HEAT
ModeSelection–COOL
Mode indicator light –
“COOL” mode selected

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ModeSelection–AUTO
Press to Select:
 ●COOL
 ●AUTO
 ●FAN
 ●HEAT
Provides Automatic Changeover
between Heat and Cool modes

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HowtheAUTOModeWorks
• IntheAUTOmode,thedisplayareaonthetouchpadwill
show“Heat”and“Cool”iconsadjacenttothetemperature
set point.
• Inthe“ProgOff”mode,“Heat”modewillbeactivewhen
spacetemperaturefalls1°Fbelowsetpoint.“Cool”mode
will be active when space temperature rises 1°F above
setpoint.
• Inthe“ProgOn”mode,“Heat”or“Cool"modewillbeactive
at program setpoints.

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ModeSelection–FAN
Press to Select:
 ●COOL
 ●AUTO
 ●FAN
●HEAT
Select “FAN” only mode for air circulation and ventilation.

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Press to Select:
 ●COOL
 ●AUTO
 ●FAN
●HEAT
Select “HEAT” mode for heating.
ModeSelection–HEAT

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Sequential Press
 ●Upor
 ●Down
Selectable set point range is 60º degrees to 90º degrees F.
ModeSelection–Temperature
Temperature set point

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ModeSelection–FAN(CONTINUOUS)
Press to“Toggle”:
●CONTINUOUS
 ●CYCLE
“CONTINUOUS” – Fan runs continuously

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ModeSelection–FAN(CYCLE)
Press to“Toggle”:
●CONTINUOUS
 ●CYCLE
“CYCLE” – Fan cycles with call for heating / cooling

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ModeSelection–“SLEEP”
Press to Select:
●TimerSetting
  (in1-hourIncrements)
Timer is adjustable from 1 to 15 hours

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Howthe“SLEEP”ModeWorks
• The“SLEEP”featureworkswiththe“timer”settingand
isuseradjustablefrom1to15hoursviathetouchpador
Infra-Red(IR)remotecontrol.
• When the sleep mode is selected, the timer will count
down.Whenitreacheszero,itwillturnthecontrol“off”if
previously“on”,or“on”ifpreviously“off”whentheset
time expires.
• Clearbyturningtheunit“Off”andthen“On”.

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ProgramFeatures–SettingtheClock
Step 2:
Adjust time with or
buttons.(Pressandholdtoadjust
in 15 minute increments).
Step 3:
Conrm day of the week by
pressing and holding until
“TODAY” ashes.
Use or to set day.
(1 = Mon. etc.)
Step 4:
Press and hold + for
5 seconds to exit the “clock set-
up mode”.
Step 1:
Pressandhold + for5 seconds to
enter the “clock set-up mode”.
Clock set-up display

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• The touchpad can be used to enter 28 separate pre-programmed
temperaturesetpoints,oneeachforeachoffour(4)periodsperday
(MORN,DAY,EVE,NITE)eachdayoftheweek.
• Programcontrolallowsyoutomatchtemperaturestoyourfamily's
lifestyle or your business needs.
• Pre-settemperatureprogrammingsavesenergyandmoney.
• Simpleset programming feature allows you to copy one day's
programmingfortheentireweekandtoeditonlythedayswhere
changes are needed.
ProgramFeatures–7-DayProgramControl

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Program Features– Manual vs. Program Mode
Press to “Select”
or “Cancel” the Program
Mode.
LED display will show
“PROG”whentheunitis
under program control.

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ProgramFeatures–ManualProgramOverride
Press the or temperature buttons to override program control.
The“ProgramMode”canbeoverriddenatanytimebymanuallyadjusting
thetemperature“setpoint”.Thisoverridewillremainineffectuntilany
buttonispressedorthenextprogramperiodisreached,atwhichtimethe
unitwillreturntoprogramcontrol.

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ProgramFeatures–NavigatingtheProgram
Press or
to advance to the next
selection or go back to
the previous one.
Press or toselect
or increment to the next
value.

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Press + and
hold for 5 seconds to
enter the program setup
mode.
LEDdisplaywillshowa
“DAY”(dayoftheweek).
Example:1=Monday
Press or toselect
day to be programmed.
StartwithMonday,Day1
Program Setup Mode – #1 Set Day