Installation – FMI VANTAGE HEARTH VMH26TNC User Manual

Page 18

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Continued

CHECKING GAS CONNECTIONS

WARNING: Test all gas piping

and connections, internal and

external to unit, for leaks after

installing or servicing. Correct

all leaks at once.

WARNING: Never use an

open flame to check for a leak.

Apply a noncorrosive leak detec-

tion fluid to all joints. Bubbles

forming show a leak. Correct all

leaks at once.

CAUTION: Make sure exter-

nal regulator has been installed

between propane/LP supply and

fireplace. See guidelines under

Connecting to Gas Supply,

page 16.

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

PROPANE/LP
To External Regulator
NATURAL
To Gas Supply

6. Replace branch support back into fire-

place. Feed flexible gas line into fireplace
base area while replacing branch support.
Make sure the entire flexible gas line is
in fireplace base area. Reattach branch
support to fireplace with screws removed
in step 2, page 17.

PRESSURE TESTING GAS SUPPLY
PIPING SYSTEM
Test Pressures In Excess Of 1/2 PSIG
(3.5 kPa)
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 fireplace 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
fluid 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
fittings for leaks.

Test Pressures Equal To or Less Than
1/2 PSIG (3.5 kPa)
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
fluid to gas joints. Bubbles forming show
a leak.

4. Correct all leaks at once.

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