Robertshaw 9405 - Manual (Page 6)

15. Set the GAS/ELEC switch to either GAS for a gas/oil heating
system or ELEC for an electric heating system (Figure 6).
16. Install two AA Energizer brand batteries or equivalent into
battery compartment as shown (Figure 6).
17. Replace thermostat cover by snapping into place.
6
RESET
NON-HP HP
ELEC GAS
ROOM
°F
OFF
GAS/ELECTRIC
Switch
+ -
+ -
Figure 6
TERMINAL LEGEND - 9405
TERM EQUIPMENT TO CONNECT REQ? TERMINAL FUNCTION
R 24VAC hot connection Yes For input of 24VAC hot
side of heat transformer
W Heat connection Yes* Energizes on a call for
heating
G Indoor fan connection Yes Energizes with W
terminal or with FAN
option switched to the
ON position