SECTION 5: F
UEL
C
ONVERSION
I
NSTRUCTIONS
5
SECTION 5: FUEL CONVERSION INSTRUCTIONS
NOTE:
In order to convert the CTHN-Series heater
for alternate gas, you must access both sides of the
burner. It may be easier to remove the burner to a
workbench; however, it can be converted in place. If
you are converting the burner in place, skip to
Step 5.2
.
Step 5.1 Burner Removal
1. Turn off gas supply valve, disconnect gas from
burner.
2. Turn off power supply and disconnect wires from
burner.
3. Unplug thermostat wires from burner.
4. If outside air is installed, disconnect.
5. Remove the bolts which hold the burner on the
transition tube using a 1/2" wrench.
6. Remove the burner.
See Figure 3
.
7. Save the gasket (P/N 02568200) or re-install a
new one after conversion.
Step 5.2 Door Assembly Removal
Remove thumb screws and set aside.
See Page 6,
Figure 4
.
FIGURE 3: VANTAGE
®
NP
Burner Assembly Overview
L
ock
W
asher
G
asket
B
urner
B
olt
(
T
or
q
ue 1
2
0
in/lb
13.
56
Nm)
S-Hook
B
urner
T
ube
