McQuay OM 1057 Operating instructions

Brand: McQuay

Model: OM 1057

Type: Operating instructions

OM 1057

Group: PDAC/PDHP

Part Number:910105018

Date: October 2009

Programmable Automatic Changeover

Digital Controls

For McQuay “Applied” Package Terminal Air Conditioners and Heat Pumps

(Models PDAC and PDHP)

Operation Manual

Page 2 of 30 / OM 1057 - Programmable Automatic Changeover Digital Controls

Contents

Display Features & User Control

Interface............................................... 3

Mode Selection ..............................4-14

Cool ................................................5

Auto .............................................6,7

Fan .................................................8

Heat................................................9

emperature ................................. 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

OM 1057 - Programmable Automtaic Changeover Digital Controls / Page 3 of 30

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

Page 4 of 30 / OM 1057 - Programmable Automatic Changeover Digital Controls

Mode Selection

Press

to “toggle”

to desired run mode.

 ●COOL

 ●COOL/DRY

 ●FAN

 ●HEAT

Press the “MODE” button to toggle through & select operating mode.

OM 1057 - Programmable Automtaic Changeover Digital Controls / Page 5 of 30

Press

to Select:

 ●COOL

 ●AUTO

 ●FAN

 ●HEAT

ModeSelection–COOL

Mode indicator light –

“COOL” mode selected

Page 6 of 30 / OM 1057 - Programmable Automatic Changeover Digital Controls

ModeSelection–AUTO

Press

to Select:

 ●COOL

 ●AUTO

 ●FAN

 ●HEAT

Provides Automatic Changeover

between Heat and Cool modes

OM 1057 - Programmable Automtaic Changeover Digital Controls / Page 7 of 30

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.

Page 8 of 30 / OM 1057 - Programmable Automatic Changeover Digital Controls

ModeSelection–FAN

Press

to Select:

 ●COOL

 ●AUTO

 ●FAN

●HEAT

Select “FAN” only mode for air circulation and ventilation.

OM 1057 - Programmable Automtaic Changeover Digital Controls / Page 9 of 30

Press

to Select:

 ●COOL

 ●AUTO

 ●FAN

●HEAT

Select “HEAT” mode for heating.

ModeSelection–HEAT

Page 10 of 30 / OM 1057 - Programmable Automatic Changeover Digital Controls

Sequential Press

 ●Upor

 ●Down

Selectable set point range is 60º degrees to 90º degrees F.

ModeSelection–Temperature

Temperature set point

OM 1057 - Programmable Automtaic Changeover Digital Controls / Page 11 of 30

ModeSelection–FAN(CONTINUOUS)

Press

to“Toggle”:

●

CONTINUOUS

 ●CYCLE

“CONTINUOUS” – Fan runs continuously

Page 12 of 30 / OM 1057 - Programmable Automatic Changeover Digital Controls

ModeSelection–FAN(CYCLE)

Press

to“Toggle”:

●

CONTINUOUS

 ●CYCLE

“CYCLE” – Fan cycles with call for heating / cooling

OM 1057 - Programmable Automtaic Changeover Digital Controls / Page 13 of 30

ModeSelection–“SLEEP”

Press

to Select:

●

TimerSetting

  (in1-hourIncrements)

Timer is adjustable from 1 to 15 hours

Page 14 of 30 / OM 1057 - Programmable Automatic Changeover Digital Controls

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”.

OM 1057 - Programmable Automtaic Changeover Digital Controls / Page 15 of 30

ProgramFeatures–SettingtheClock

Step 2:

Adjust time with or

buttons. (Press and hold to adjust

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:

Press and hold

+ for 5 seconds to

enter the “clock set-up mode”.

Clock set-up display

Page 16 of 30 / OM 1057 - Programmable Automatic Changeover Digital Controls

• 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.

• Simplese t 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

OM 1057 - Programmable Automtaic Changeover Digital Controls / Page 17 of 30

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.

Page 18 of 30 / OM 1057 - Programmable Automatic Changeover Digital Controls

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.

OM 1057 - Programmable Automtaic Changeover Digital Controls / Page 19 of 30

ProgramFeatures–NavigatingtheProgram

Press

to advance to the next

selection or go back to

the previous one.

Press or to select

or increment to the next

value.

Page 20 of 30 / OM 1057 - Programmable Automatic Changeover Digital Controls

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 to select

day to be programmed.

StartwithMonday,Day1

Program Setup Mode – #1 Set Day

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McQuay OM 1057 Operating instructions

McQuay OM 1057 Operating instructions

McQuay OM 1057 Operating instructions

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