Tekmar Invita Quick Setup Manual page 6

Up to 2-Stage Heat Pump with 2-Stage Dual Fuel
The thermostat operates the heat pump when the outdoor
air temperature is above the balance point setting and
switches to the furnace when below.
Jumpers:
J1 = On
J2 = On
J3 = On
Essential Settings:
Heating Type = Heat Pump
Equipment = 2 Heat Pump/2 Aux
Radiant Floor Heating = No
Dehumidification using a DX Coil
The thermostat operates the cooling system and runs the
system fan at low speed to dehumidify the air.
External Jumper Wires:
R to Acc1
R to O/B
Essential Settings:
Accessory Relay 1 or 2 = Dehumidifier
Dehumidifier Type = DX Coil
Humidifier
The thermostat operates a humidifier to increase relative humidity.
Essential Settings:
Accessory Relay 1 or 2 = Humidifier
HRV/ERV Ventilator
The Heat Recovery Ventilator (HRV) or Energy Recovery Ventilator
Ventilator (ERV) operates to improve indoor air quality and recovers
heat from exhaust air.
Essential Settings:
Accessory Relay 1 = Ventilation
HVAC Interface Module
To
T-Stat
AWAY
SEN
COM
S1
70
S2
S3
RH
3V3
Water
Detect
HVAC Interface Module
To
T-Stat
AWAY
SEN
COM
S1
70
S2
S3
RH
3V3
Water
Detect
HVAC Interface Module
HVAC Interface Module
6 of 12
564
Acc1
Acc1
Acc2
O/B
Acc2
O/B
R
C
Rh1
W1
Rh2
W2
Rc
Y1
Y2
G
564
Acc1
Acc1
Acc2
O/B
Acc2
O/B
R
C
Rh1
W1
Rh2
W2
Rc
Y1
Y2
G
564
Acc1
Acc1
Acc2
O/B
Acc2
O/B
To
R
T-Stat
C
AWAY
Rh1
SEN
COM
W1
564
S1
Acc1
Rh2
S2
Acc1
W2
S3
Acc2
Rc
O/B
RH
Acc2
3V3
O/B Y1
To
Water
R
Y2
T-Stat
Detect
C
G
AWAY
Rh1
SEN
COM
Air
Handling
R
Unit
C
W1
W2
Y1
Y2
G
O/B
Air
Handling
Unit
R
C
W1
W2
Y1
Y2
G
Dehum
Humidifier
HUM
HUM
HRV / ERV
Ventilator
R
G