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50D0090 Rev 1

Page 2 of 5

 Ambient Technologies

A Division Of MHS

Wall Thermostat:

Installing Wall Thermostat:

Choose a mounting location about 5 feet above the floor in an area with good air circulation (preferably on an inside
wall) and away from the following:

 

Air Ducts

 

Radiant heat from the sun and appliances

 

Concealed pipes and chimneys

Installing Wall Thermostat:

1.

 

To remove the front housing, slide the side door up.

2.

 

Press the tab down to disengage it from the front housing.

3.

 

Align the back housing to the desired location.  Mark two (2)
holes using the housing or template

4.

 

Drill two (2) holes and insert the plastic anchors carefully until
they are flush with the wall.

5.

 

Fasten securely the back housing to the wall with the two (2)
screws.

Installing Wire to Wall Thermostat:

Use 18 gauge wire, 105ºC rated, with as few splices as possible.
Wire can be no longer than 25 feet.  Follow the homeowner’s manual for
connecting the wire at the appliance, for example, if you have a gas
millivolt valve system, the wires are connected at the TP/TH and TP junctions at the valve.

1.

 

Loosen up the terminal block screws.

2.

 

Connect the wires from the appliance to the terminal blocks as shown.

3.

 

Tighten the screws.

WARNING

Make sure that the wires do not contact the appliances any place other than at the terminals.
Exposure to temperatures higher than 105C (250ºF) may cause the wall thermostat  to
malfunction or fire hazard.

Mounting Holes

Summary of Contents for WT

Page 1: ...ation Read this manual thoroughly prior to installing programming or operating the wall thermostat Do not use this wall thermostat with voltages above 24 Volts DC and 1 amp current This wall thermostat is a DC dry contact system that will turn gas appliances on or off Wiring must conform to appliance requirement and building codes ordinances as required by local and national code authorities havin...

Page 2: ...e plastic anchors carefully until they are flush with the wall 5 Fasten securely the back housing to the wall with the two 2 screws Installing Wire to Wall Thermostat Use 18 gauge wire 105ºC rated with as few splices as possible Wire can be no longer than 25 feet Follow the homeowner s manual for connecting the wire at the appliance for example if you have a gas millivolt valve system the wires ar...

Page 3: ...start up 1 After initial power up or RESET button is pressed the wall thermostat is reset The reset button is located in front of the unit 2 During system reset all segments of the LCD will be turned on After one second the LCD will be initialized and operational Typical reset displays are shown Note that the temperature scale is degree F Reset Button 1 The reset button can be used to reset the sy...

Page 4: ...is monitored every 1 minute 7 Flame icon will display when the wall thermostat is detecting the room temperature is below the set temperature Low battery detection 1 Battery voltage is checked once a minute When the battery voltage drops to a certain level the low battery warning will come on and the wall thermostat will turn off the appliance The wall thermostat s keypad will not function until f...

Page 5: ...iting our corporate offices Ambient Technologies warrants each new Ambient Technologies wall thermostat against any defects that are due to faulty material or workmanship to the original owner for a period of five years after the original date of purchase This warranty and our liability does not apply to batteries nor does it include damage to merchandise or the wall thermostat resulting from acci...

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