Download Print this page

Honeywell T4398 Series Manual page 6

Precision electric heating thermostat

Advertisement

T4398A,B PRECISION ELECTRIC HEATING THERMOSTAT
BASE
Fig. 7. Calibrating the thermostat.
Security Features
To install the locking cover (select models (Fig. 8):
1. Remove cover by swinging up from the bottom.
2. Insert the Tinnerman Speed Nut® (supplied) into the
slot at the lower rear thermostat base.
3. Drive Allen screw into Speed Nut until head is flush with
lower edge of thermostat base.
4. Reinstall 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.
69-1604
SETTING KNOB
AT 12 O'CLOCK
POSITION
SCALE RING
THERMOSTAT
COVER
LOCKING
SETTING KNOB
COVER SCREW
To install the range stops (select models) (Fig. 9):
1. Set thermostat to desired setpoint and remove the
2. Install plastic dowels (supplied) into minimum and/or
3. Reinstall the cover and check range stop operation.
6
Fig. 8. Installing locking cover.
cover.
maximum range stop holes on the back of the cover.
Fig. 9. Installing range stops.
THERMOSTAT BASE
LOCKING
COVER
CLIP
ALLEN WRENCH
M5798
BACK OF
THERMOSTAT
COVER
INSERT RANGE
STOP PINS IN
SLOTS.
M5801

Advertisement

loading

This manual is also suitable for:

T4398aT4398bT4398b1029/uT4398a1021T4398b1029