![background image](http://html1.mh-extra.com/html/desa/ldl3930nrb/ldl3930nrb_owners-operating-and-installation-manual_2485912016.webp)
www.desatech.com
121486-01F
16
PRESSURE TESTING HEATER GAS
CONNECTIONS
1. Open equipment shutoff valve (see Figure
18, page 15).
2. Open main gas valve located on or near
gas meter for natural gas or open propane/
LP supply tank valve.
3. Make sure control knob of heater is in the
OFF position.
4. Check all joints to gas control (see Figures
19 or 20, page 15). Apply noncorrosive
leak detection fluid to all joints. Bubbles
forming show a leak.
5. Correct all leaks at once.
6. Light heater (see
Operation
, page 17).
Check all other internal joints for leaks.
7. Turn off heater (see
To Turn Off Gas to
Appliance
, page 19).
INSTALLING LOGS
WARNING: Failure to posi
-
tion the parts in accordance
with these diagrams or failure
to use only parts specifically
approved with this heater may
result in property damage or
personal injury.
CAUTION: After installa-
tion and periodically thereafter,
check to ensure that no flame
comes in contact with any log.
With the heater set to HI, check
to see if flames contact any log. If
so, reposition logs according to
the log installation instructions
in this manual. Flames contact
-
ing logs will create soot.
It is very important to install the logs exactly
as instructed. Do not modify logs. Only use
logs supplied with heater.
1. Place rear log (log #1) behind burner on the
two pins on rear bracket (see Figure 21).
2. Place cutouts of middle log (log #2) on
burner as shown in Figure 22.
3. Place left front log (log #3) on grate prongs
as shown in Figure 23.
Figure 21 - Rear Log (Log #1) Placement
Figure 22 - Middle Log (Log #2)
Placement
Log #1
Log #2
Cutout
Cutout
Figure 23 - Placement of Front Logs
(Log #3 and Log #4)
Log #4
Grate
Prongs
Log #3
Peg
INSTALLATION
Continued