Honeywell TH6220D Thermostat User Manual


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FocusPRO
®
TH6000 Series
5 69-1920EFS—01
ENGLISH
MCR29453
Wiring
Wiring guide — heat pump systems
Shaded areas below apply only to TH6320U/TH6220D or as otherwise noted.
Thermostat mounting
Align the 4 tabs on the wallplate with
slotsonthebackofthethermostat,
then push gently until the thermostat
snaps in place.
Push excess wire back into
the wall opening.
Plug wall opening with
non-flammable insulation.
1H/1C Heat
Pump System
Rc Power [1]
R [R+Rc joined by jumper]
Y Compressor contactor
C 24VACcommon[3]
O/B Changeover valve [7]
G Fan relay
2H/1C Heat
Pump System
(TH6220D only) [8]
Rc Power [1]
R [R+Rc joined by jumper]
Y Compressor contactor
C 24VACcommon[3]
O/B Changeover valve [7]
G Fan relay
Aux Auxiliary heat relay [12]
E Emergency heat relay [12]
L Sends output when set to Em. Heat [11]
2H/1C Heat
Pump System
(TH6320U only) [8]
Rc Power [1]
R [R+Rc joined by jumper]
Y Compressor contactor
C 24VACcommon[3]
O/B Changeover valve [7]
G Fan relay
Aux/E Auxiliary/Emergency heat relay
L Sends output when set to Em. Heat [11]
2H/2C Heat
Pump System
(TH6320U only) [9]
Rc Power [1]
R [R+Rc joined by jumper]
Y Compressor contactor (stage 1)
C 24VACcommon[3]
O/B Changeover valve[7]
G Fan relay
Y2 Compressor contactor (stage 2)
L Sends output when set to Em. Heat [11]
3H/2C Heat
Pump System
(TH6320U only) [10]
Rc Power [1]
R [R+Rc joined by jumper]
Y Compressor contactor (stage 1)
C 24VACcommon[3]
O/B Changeover valve [7]
G Fan relay
Aux/E Auxiliary/Emergency heat relay
Y2 Compressor contactor (stage 2)
L Sends output when set to Em. Heat [11]
See [notes] on page 4.
MCR29448
RcY
GRC
RcYGAuxELRC
MCR29449
RcYGAux
E
LRC
MCR29450
RcYGY2LRC
MCR29451
RcYGAux
E
LRCY2
MCR29452
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