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This jumper configures the thermostat to control a conventional
gas/electric system or a heat pump. If your system is anything
other than a heat pump, leave this jumper set for GAS/ELEC.*
GAS/ELEC
HEATPUMP
GAS/ELEC
HEATPUMP
OR
J1
When J1 is configured to control a heat pump, this jumper (J2)
must be set to control the appropriate reversing valve. If RV=O
is chosen, the W1/O/B terminal will energize in cooling. If RV=B
is chosen, the W1/O/B terminal will energize in heating.
When J1 is set for GAS/ELEC:
This jumper (J3) controls h
ow the thermostat will control the
Fan (G) terminal in heating mode. When GAS is chosen, the
thermostat will not energize the Fan (G) terminal in heating.
When ELEC is chosen the thermostat will energize the fan in
heating.
OR
J2
OR
J3
RV=O
RV=B
RV=O
RV=B
GAS
ELEC
(F
AN)
GAS
ELEC
(F
AN)
*For some commercial heat pumps, this jumper will need to
be set for GAS/ELEC. Consult the commercial heat pump literature.
Installation Instructions
GAS
ELEC
GAS/ELEC
HEATPUMP
RV=O
RV=B
J1
J2
J3
Explanation of Thermostat Jumpers
Jumpers are located on the back of the thermostat
RV=O
RV=B
J2
GAS/ELEC
HEATPUMP
J1
GAS
ELEC
J3
D_TSTATD2200C-2_Manual_HR.pdf 18 8/29/13 1:11 PM
