SECURITY FEATURES
Locking Cover, Figure 4
1. Remove cover by swinging up from the bottom.
2. Insert Tinnerman Speed Nut supplied into slot at lower
rear of thermostat base.
3. Drive Allen screw into Speed Nut until head is flush with
lower edge of thermostat base.
4. Re-install cover and lock by backing out Allen screw until
screw body protrudes through cover hole.
5. To unlock cover, drive Allen screw into thermostat base
until screw body clears cover.
Range Stops, Figure 5
1. Set thermostat to desired set point. Remove cover.
2. Install plastic dowels supplied into minimum and/or max-
imum range stop holes on inside back of cover.
3. Re-install cover. Check operation of range stops.
®
Home and Building Control
Honeywell Ltd.
740 Ellesmere Road
Scarborough, Ontario M1P 2V9
Home and Building Control
Honeywell Inc.
1985 Douglas Drive North
Golden Valley, Minnesota 55422
Helping You Control Your World
T498A, B Electric Heat Thermostat
SECURITY FEATURES
Figure 4
Figure 5
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