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SUBBASE INSTALLATION

4

Caution: 
Electrical Hazard

Failure to disconnect the 
power before beginning to 
install this product can cause 
electrical shock or equipment 
damage.

Mercury Notice:

All of TopTech’s products are 
mercury free. However, if the 
product you are replacing 
contains mercury, dispose of it 
properly. Your local waste 
management authority can give 
you instructions on recycling 
and proper disposal.

NOTE: 

To insure a 

solid fit between 

the thermostat and 

the subbase, 

mount the subbase 

on a flat wall with  

the drywall anchors 

flush to the wall.

UP

Horizontal mount

Horizontal mount

Vertical mount

Vertical mount

For vertical mount put 

one screw top and one 

screw bottom. 

For horizontal mount put 

one screw left and one 

screw right.

C

O

B

W/E

W2

RH

RC

G

Y

Y2

Summary of Contents for TT-N-751

Page 1: ...dwire Common Wire Hardwire Common Wire with Battery Backup Power Type 1 n o i t p i r c s e D Gas or Oil Heat Electric Furnace Heat Pump No Aux or Emergency Heat Heat Pump with Aux or Emergency Heat M...

Page 2: ...re in direct sunlight With an outside wall behind the thermostat In areas that do not require conditioning Where there are dead spots or drafts in corners or behind doors Where there might be conceale...

Page 3: ...n the display when second stage of heat or cool is on 2 will appear for third stage of heat System Selects heat off or cool as needed Low Battery Indicator Replace batteries when this indicator is sho...

Page 4: ...rcury dispose of it properly Your local waste management authority can give you instructions on recycling and proper disposal NOTE To insure a solid fit between the thermostat and the subbase mount th...

Page 5: ...Fan relay Emergency heat relay Auxiliary heat relay third stage of heat First stage of heat cool Second stage of cool second stage of heat This thermostat is shipped from the factory to operate a con...

Page 6: ...justable A smaller swing setting will cause more frequent cycles and a larger swing setting will cause fewer cycles The heating swing setting is adjustable from 0 2 F to 2 F For example A swing settin...

Page 7: ...tem switch for the particular application Heat Off Cool Heat Off Cool Off Note EM Heat will show if in heat pump mode System Switch Gas Auxiliary for Heat Pump Stages of Heat Cooling Fan Delay Use the...

Page 8: ...slots on the back of the thermostat then push gently until the thermostat snaps in place Note To insure a solid fit between the thermostat and the subbase mount subbase to flat wall use screws provid...

Page 9: ...ating is adjustable from 0 2 F to 2 0 F Cooling is adjustable from 0 2 F to 2 0 F 18 to 30 VAC NEC Class II 50 60 Hz for hardwire common wire Battery power from 2 AA Alkaline batteries 32 F to 105 F 0...

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