
4
DES3
Series
SER
VICE
ACCESS P
ANE
L
CONTROLS & GAS
V
A
LVE COMP
ARTMENT
1.
Disconnect gas & electricit
y.
2.
Remove four (4) thumbscrews.
3.
Remove top cove
r.
4.
Swing hinged panel downward.
KEE
P
COVER IN PLACE. REMOVE FOR SER
VICE ONL
Y
.
SER
VI
C
E
ACCESS P
A
N
EL
IGNITER & FLAME SENSE COMP
ARTMEN
T
1.
Disconnect gas & electricit
y.
2.
Remove cover by lifting top
cover upward and outward
.
CAUTION:
HOT SURF
ACE.
K
E
E
P COVER IN PLACE. REMOVE FOR SER
VICE ON
LY
.
SER
VICE
ACCESS P
ANE
L
F
AN COMP
ARTMENT
1.
Disconnect gas & electricit
y.
2.
Remove top cover ( thumbscrews).
3.
Remove tsi () 4 screws.
4.
Lift and remove panel.
KEEP
COVER IN PLACE. REMOVE FOR SER
VICE ONL
Y
.
F/N: LLTCL001L, C, R
Clearance to Combustibles Labels
Safety Labels and Their Locations
Top Panel
Bottom Panel
F/N: LLLOGO1 Logo Label
Product safety signs or labels should be replaced by the product user when they no longer are legible.
Contact either your local distributor or the product manufacturer for obtaining replacement signs or labels.
NEUTRAL
EARTH
HOT
- 120V HEATER INPUT -
120V
NEUTRAL
EARTH
HOT
- 120V HEATER INPUT -
120V
NEUTRAL
N
24V
- INTERNAL RELAY -
- FIELD SUPPLY 24V -
Air Metering Orifice
Air Metering Orifice
DO NOT REMOVE
TP-114
TP-3014
1 - 1/2"
SAMPLE
Back Panel
(Models with
24VAO Option)
Do not Rotate/ Gas hose label
1.0
Introduction •
Safety Signs and Labels