Watts Tekmar Invita 564 - Heat Pump and Dual Fuel System Wiring; Heat Pump with Auxiliary Heat Wiring; Heat Pump with Dual Fuel Wiring

© 2019 tekmar 564_Q - 10/19 7 of 16
Jumpers:
J1 = On
J2 = On
J3 = On
The thermostat operates high cost electric resistance heat when the heat pump is unable
to meet the building heating load.
Up to 2-Stage Heat Pump with Auxiliary Heat
HVAC Interface Module
564
Rh1
C
R
W1
Acc1
Acc1
Rh2
W2
Rc
Y1
G
Y2
To
T-Stat
AWAY
S1
S3
S2
Water
Detect
RH
3V3
SEN
COM
Acc2
O/B
Acc2
O/B
C
R
W1
Y1
G
Y2
O/B
70
Air
Handling
Unit
The thermostat operates the heat pump when the outdoor air temperature is above the
balance point setting and switches to the furnace when below.
Up to 2-Stage Heat Pump with 2-Stage Dual Fuel
HVAC Interface Module
564
Rh1
C
R
W1
Acc1
Acc1
Rh2
W2
Rc
Y1
G
Y2
To
T-Stat
AWAY
S1
S3
S2
Water
Detect
RH
3V3
SEN
COM
Acc2
O/B
Acc2
O/B
W1
C
W2
R
Y1
G
Y2
O/B
70
Air
Handling
Unit
Essential Settings:
Heating Type = Heat Pump
Equipment = 2 Heat Pump/1 Aux
Radiant Floor Heating = No
Essential Settings:
Heating Type = Heat Pump
Equipment = 2 Heat Pump/2 Aux
Radiant Floor Heating = No
Jumpers:
J1 = On
J2 = On
J3 = On