Vanguard VMH26TNC Indoor Fireplace User Manual


 
www.desatech.com
113111-01H18
INSTALLATION
Continued


and connections, internal and
external to unit, for leaks after


WARNING: Never use an

-



CAUTION: Make sure exter-



Connecting to Gas Supply,

Figure 25 - Equipment Shutoff Valve
Open
Closed
Equipment
Shutoff
Valve
Figure 24 - Attaching Flexible Gas Line
to Equipment Shutoff Valve
Flexible Gas Line
from Fireplace Gas
Regulator Provided
with Fireplace
To Fireplace Gas
Regulator
Equipment Shutoff
Valve Provided by
Installer

To External Regulator
NATURAL
To Gas Supply
6. Replace branch support back into re-
place. Feed exible gas line into replace
base area while replacing branch support.
Make sure the entire exible gas line is
in replace base area. Reattach branch
support to replace with screws removed
in step 2, page 17.




1. Disconnect appliance with its appliance
main gas valve (control valve) and equip-
ment shutoff valve from gas supply piping.
Pressures in excess of 1/2 psig will dam-
age replace regulator.
2. Cap off open end of gas pipe where equip-
ment shutoff valve was connected.
3. Pressurize supply piping system by either
opening propane/LP supply tank valve
for propane/LP gas or opening main gas
valve located on or near gas meter for
natural gas, or using compressed air.
4. Check all joints of gas supply piping sys-
tem. Apply a noncorrosive leak detection
uid to gas joints. Bubbles forming show
a leak.
5. Correct all leaks at once.
6. Reconnect heater and equipment shutoff
valve to gas supply. Check reconnected
ttings for leaks.


1. Close equipment shutoff valve (see Fig-
ure 25).
2. Pressurize supply piping system by either
opening propane/LP supply tank valve
for propane/LP gas or opening main gas
valve located on or near gas meter for
natural gas, or using compressed air.
3. Check all joints from gas meter for natural
or propane/LP supply to equipment shut-
off valve (see Figures 26 and 27, page
19). Apply a noncorrosive leak detection
uid to gas joints. Bubbles forming show
a leak.
4. Correct all leaks at once.