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OM 897 / Page 7 of 12

Figure 8. Internal Buttons

Installing Nodes

Step 1

Press  the  SW4-INSTALL.  button  inside  the 

thermostat.  The  display  will  change  to  the  Install 

Session  screen  shown  in  Figure  8,  with  the  “install” 

icon blanking.

The display always blinks the item that is active 

and can be changed.

Step 2

The 

UP

 button on the front of the thermostat is used 

to toggle between the following two choices:

Install

 - Install a Node

Remove

 - Uninstall ALL Nodes

(The Remove option will be discussed later.)

Figure 9. Install Setup Display

Press the 

HEAT/COOL

 to select install.

Step 3

The node number digits will now flash. Use the UP 

button to set the node number you wish to install 0-7. If 

this is the first node or only node to be installed to this 

thermostat, leave the node number at zero.

Press the 

HEAT/COOL

 button to select the node 

number.

Step 4

The control node can be installed to a thermostat as a 

HEAT only, COOL only or HEAT & COOL node.  After 

selecting the node number, the HEAT and/or COOL icon 

will flash in the upper right hand quarter of the display is 

shown in Figure 8. Press the UP button to scroll through 

the following three choices:

Heat

 - Install node as a heating only control

Cool

 - Install node as a cooling only control

Heat/Cool

 - Install node as a heating and cooling  

 

control

Press the 

HEAT/COOL

 button when the appropriate 

icon is displayed.

 

SW12-RESET  SW4-INSTALL 

SW9-LINK 

PB1
-N

E

TW

O

R

K

 

Set A 

Set A 

Set B 

Set B 

SW12-RESET  SW4-INSTALL  SW9-LINK 

Internal T9000 buttons 

PB1-NETWORK 

Used to uninstall the thermostat 

from node(s) it has been linked to. 

SW12-RESET

 

Master Reset – Returns 

thermostat to all factory defaults. 

SW4-INSTALL 

Starts an installation session. 

SW9-LINK 

Used to Link the thermostat to 

control nodes. 

PB

1-N

ET

W

O

R

JP3 - Program 

JP4 – Non Program 

Program Jumper 

JP3 = Programmable 
JP4 = Non-Programmable 

 

Summary of Contents for OM 897

Page 1: ...mber 668111001 Date January 2008 Wireless Temperature Control For McQuay Applied Package Terminal Air Conditioners and Heat Pumps For replacement parts call 1 800 377 2787 2008 McQuay International www mcquay com 800 432 1342 OM 897 Applied PTAC Page 1 of 12 ...

Page 2: ... Light 4 Setting the Clock 4 5 Thermostat Programming 5 Navigating 6 Exiting the Program Mode 6 Run Button 6 Program Manual Operation 6 Changing Temperature 6 While Running a Program 6 Installing and Removing Nodes Installing Nodes 6 7 Installing Multiple Nodes 8 Uninstalling Nodes 9 Thermostat Reset 9 Frequently Asked Questions 10 11 ...

Page 3: ...lightonthethermostat display when the batteries are within approximately one week of being exhausted The T9000 is designed to use standard AA size 1 5 volt alkaline batteries If the batteries become completely depleted the heating cooling system will go to the Off state Replacing Batteries Toopenthethermostat usebothhandsandpressthe two push tabs on the bottom of the thermostat housing withyourthu...

Page 4: ...rature up or down and changing the operating mode of the thermostat See Figure1 11forfrontviewofthethermostatandbutton locations Figure 4 shows the display items that are changed by these four buttons in normal operation Figure 5 General Operation Display Note that the UP DOWN and HEAT COOLbuttons are also used in setting the clock and programming the thermostat and linking to nodes This will be c...

Page 5: ...isplayed in the upperrightsideoftheLCDscreen Figure1 forinstance shows a thermostat in COOL mode The mode the thermostat is in when the PROGRAM button is pressed is the mode that will be controlled by the program If it is in the cool mode as shown in Figure 1 the program entered will be stored as the program for cooling To program the thermostat you will use the PROGRAM HEAT COOL UP and DOWN butto...

Page 6: ...r65 scheduledtostartat11 00 PM If during the Evening time period you desired the space to be warmer you could press the UP button to raise the temperature set point The thermostat will hold that temperature until the next program period at which point the temperature will adjust to the programmed temperature set point for that period In this case the Night period is set for 11 00 PM and 65 Install...

Page 7: ...T COOL button to select the node number Step 4 Thecontrolnodecanbeinstalledtoathermostatasa HEAT only COOLonly or HEAT COOLnode After selectingthenodenumber theHEATand orCOOLicon will flash in the upper right hand quarter of the display is shown in Figure 8 Press the UPbutton to scroll through the following three choices Heat Install node as a heating only control Cool Install node as a cooling on...

Page 8: ...anged the Please Wait message is extinguished and a Good message will appear as shown in Figure 10 Figure 10 Install Link Display If another node is to be installed to this thermostat press the HEAT COOL button again The Install icon will flash As was done previously press the HEAT COOL button Step Two The node number will begin blinking select the node number by one using the UP button and contin...

Page 9: ...installednode s linking information is removed from the nodes and the thermostat pleasewait messagewillbe extinguished and a Good message will appear as shown in Figure 10 Thermostat Installation Reset In the event there is difficulty installing a node perform the following Step 1 Press the SW4 INSTALL button inside the thermostat The install icon will flash You only need to begin the installation...

Page 10: ...that one unit blows air directly on some people The thermostat in this case will not continuously look for a missing node if that one unit is powered off When my a c turns off I can t immediately make it run again This is normal What you are experiencing is called in anti short cycle delay Because of high pressure in the air conditioning compressor system it s not a good idea to start your air con...

Page 11: ...temperature will be displayed Refer to Figure 7 Next adjust the set point temperature to minimize system operation For example you could adjust to a set point of 85 F in cooling or 65 F in heating staying mindful of what your temperature selection could affect such as plants and animals that stay in your home while you are away During the cooling season consider humidity as well as roomtemperature...

Page 12: ...t us at www mcquay com and click on training or call 540 248 9646 and ask for the Training Department Warranty All McQuay equipment is sold pursuant to its standard terms and conditions of sale including Limited Product Warranty Consult your local McQuay Representative for warranty details Refer to Form 933 43285Y To find your local McQuay Representative go to www mcquay com This document contains...

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