Source 1 S1-THEH21NS User Manual

Page 11
Battery Replacement
The batteries must be replaced immediately when
the thermostat displays the Low Battery icon.
The batteries are easily accessible from the battery
slot located on the front of the thermostat (fig. 1). To
open the battery slot, press down on the battery
cover (fig. 1) and pull out (fig. 2).
Place the bottom hook of the battery cover into the
slot and snap closed (fig. 4).
OWNER'S MANUAL
S1-THEH21NS
FIG. 1
FIG. 2
Press
down
Pull out
Battery
Slot
FIG. 4
Snap closed
Bottom
Hook
Remove the old batteries and replace with the new
AA alkaline batteries (fig. 3).
FIG. 3
New
batteries
in
AA
alkaline
WA
R
M
ER
C
OO
LE
R
O
F
F
C
OOL
H
E
A
T
E
M
ERG
EN
C
Y
NOR
MA
L
L
O
C
K
OU
T
A
UTO
O
N
FAN
AU
X
I
LI
A
RY
H
E
AT
Old
batteries
out

Source 1 S1-THEH21NS Specifications

General

Brand	Source 1
Model	S1-THEH21NS
Category	Thermostat
Language	English