Battery Installation; Fan Operation Setting; Thermostat Mounting - Honeywell PRO 1000 Series Installation Manual

Installation Guide
Reversing valve setting
NOTE: This setting is necessary only if the thermostat is connected to a heat pump.
The jumper is located on the back of the thermostat faceplate. Set it according to the type
of reversing (changeover) valve used by the heat pump.
O
• (factory setting): The reversing valve is energized when the System switch is set to
Cool (cooling mode).
• B : The reversing valve is energized when the System switch is set to Heat (heating
mode).
In c o rre c t ju m p e r s e ttin g
Heat mode and will heat in Cool mode.

Fan operation setting

NOTE: This setting is not applicable if a fan is not connected to the G terminal.
A jumper, located on the back of the thermostat faceplate, determines how the fan operates
in Automatic mode. This jumper is not available on TH1100, TH1210D and TH2210D. On
the TH1210D and TH2210D models, when the fan is placed in Automatic mode, it starts
right away when there is a call for heat or cool.
• HG (factory setting): Leave the ju m p e r in th is p o sitio n fo r g a s o r oil h eating syste m s. In th is
position, the h eating s yste m co n tro ls th e fan op e ra tio n . W h e n th e re is a call fo r heat, the fan
sta rts on ly w h e n th e a ir co m ing o u t o f th e ve n ts is s u ffic ie n tly w a rm . W h e n th e re is a call fo r
cool, th e fan sta rts rig h t away.
• HE: Place the ju m p e r to th is position fo r he a t pum p o r e le ctric heating system s. In th is position,
the th e rm o sta t activa tes the fan as soon as there is a ca ll fo r h e a t o r cool.
In c o rre c t ju m p e r s e ttin g
When heating starts, you will initially feel cold air coming out of the vents as the fan is
running before the furnace has enough time to heat up the air.

Battery installation

If a 24-VAC common wire is connected to the C terminal, batteries are
o p tio n a l and serve to provide backup power.
If a 24-VAC common wire is
n e c e s s a ry
are to power the thermostat.
Install 2 AAA batteries on the back of the thermostat faceplate as
shown.

Thermostat mounting

1 Align the two brackets on the top of the thermostat with the
corresponding slots on the top of the wallplate.
2 Push the faceplate against the wallplate.
3 Tighten the screw at the bottom of the thermostat.
: The heat pump operation will be reversed; i.e., it will cool in
: An incorrect setting is noticeable in a gas or oil heating system.
n o t
connected to the C terminal, batteries
4