Download  Print this page

Mounting Thermostat To Wallplate; Operation; Setting Fan And System Switches - Honeywell T8400C Installation Instruction

Hide thumbs
   

Advertisement

STR_P
5/16
_N.
(e M M)
Fig. 4. Wiring connections.
T8400C
_
POWER S t_PpLy_
PROWOE
D_SCONNECT
MEANS AND
OVERLOAD
_OTECT_ON ASREQUIRED_
M109_
Fig. 5. T8400C heat-cool wiring diagram
in single
transformer
system
with gas heat/electric
cooling.
Te400C
Z_ POWER S t_PpLy_
PROWDE
D_SCONNECT
MEAN_ A NO
OVERLOAD
PROTECTK)N
ASREQU_RED_
M10_7
Fig. 6. T8400C beat-cool wiring
diagram
in
og heating/electric
cooling
system.
Oil
primary
has its own transformer.
T8400C ELECTRONIC
THERMOSTAT
Mounting Thermostat to Wallplate
1.
Engage the tabs at the top of the thermostat
and
wallplate
2.
Swing down the thermostat
and press the _ower
edge of the thermostat
onto the wallplate to latch.
See Fig 7.
DASHED L_NES _NOICA_ TABS
A ENGAGE
TA£S ATTOP
OFT_4ERMOSTAT
W_TH
SLOTS O N WALLPLATE
M18416
B PRESS LOWER E DGE O F
CASE TO£AT¢_4
Fig= 7. Mounting thermostat
wallplate.
OPERATION
Setting FAN and SYSTEM Switches
Fan and system settfngs are controfled manuafly
by
using the switches located at the bottom of the
thermostat
case See Fig 8
FAN Switch
Fan switch settings are:
On: The fan runs continuously
Use for improved air
circulation
and air quality
Auto: Norma_ setting for most homes
In cooling, the
fan starts and stops with the cooling equipment.
In
heating, the fan is controlled
directly by the heating
equipment
and may start a few mfnutes after the
heating equipment
turns on (on most systems)
When using an electric heat thermostat,
the fan
starts and stops wdh the heating equipment
Slide the switch in the bottom left corner of the
thermostat
to select the desired fan setting
SYSTEM
Switch
System switch settings control thermostat
operation as
follows:
Cool: The thermostat
controls the cooling system.
Off: Both heating and cooling are off
Heat: The thermostat
controls the heating system
Slide the switch in the bottom right corner of the
thermostat
to select the desired system setting
3
69-1485-1

Advertisement

loading

  Related Manuals for Honeywell T8400C