Empire Comfort Systems DVP42FP30N-4, Инструкция по установке и руководство пользователя, Страница: 12 / 80

31455-10-1115 Page 12
GAS SUPPLY
The gas pipeline can be brought in through the right or left side of
the appliance. Consult the current National Fuel Gas Code, ANSI
Z223.1 CAN/CGA-B149 (.1 or .2) installation code.
Recommended Gas Pipe Diameter
Pipe Length Schedule 40 Pipe
Inside Diameter
Tubing, Type L
Outside Diameter
Nat. L.P. Nat. L.P.
0-10ft
0-3m
1/2"
12.7mm
3/8"
9.5mm
1/2"
12.7mm
3/8"
9.5mm
11-40ft
4-12m
1/2"
12.7mm
1/2"
12.7mm
5/8"
15.9mm
1/2"
12.7mm
41-100ft
13-30m
1/2"
12.7mm
1/2"
12.7mm
3/4"
19mm
1/2"
12.7mm
101-150ft
31-46m
3/4"
19mm
1/2"
12.7mm
7/8"
22.2mm
3/4"
1.9 mm
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Note: Since some municipalities have additional local codes, it is
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— ANS Z21.24 Appliance Connectors of Corrugated Metal Tubing
and Fittings.
— ANS Z21.45 Assembled Flexible Appliance Connectors of Other
Than All-Metal Construction
The above connectors may be used if acceptable by the authority
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FLEXIBLE GAS LINE CONNECTION
GAS SUPPLY
TEE HANDLE
FLEX TUBING
FLARE FITTING FLARE SHUT
OFF V AL V E
Figure 8
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Minimum Normal Maximum
Natural Gas 4.5" 7.0" *14.0"
LP (Propane) 10.8" 11.0" *14.0"
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Normal (HI)
Natural Gas 3.5"
LP (Propane) 10.0"
*NOTE: Remote “RF” Models - 10.5” w.c. maximum
Installing a New Main Gas Cock
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A manual main gas cock should be located in the vicinity of the unit.
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contact your local authorized installer for installation or relocation.
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unexposed, a pressure test should be made.
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be disconnected from piping at inlet of control valve and pipe
capped or plugged for pressure test. Never pressure test with
appliance connected; control valve will sustain damage!
NOTE:
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type pressure test point, therefore it is not necessary to provide a
1/8” test point up stream of the control.
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The appliance and it’s individual shut off valve must be disconnected
from supply piping system during any pressure testing of that system
at test pressures in excess of 1/2 psig (3.5kPa).
The appliance must be isolated from the gas supply piping system
by closing its individual manual shut off valve during any pressure
testing of the gas supply piping system at test pressures equal to
or less than 1/2 psig (3.5kPa).
CAUTION : If one of the procedures results in pressures in
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Checking Manifold Pressures
Both Propane and Natural gas valves have a built-in pressure
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GAS LINE HOLE
(BOTH SIDES)
2”
10”
FRO M FRONT OF
APPLIANCE TO
GAS LINE HOLE
Figure 9