Table of Contents
Advertisement
12
VENTING SYSTEM REGULAR INSPECTION
A. Inspect the system regularly for condensation, corrosion
and/or physical damage. A qualified professional should ser-
vice the boiler annually and include such an inspection at that
time. The homeowner should look over the system monthly for
damage, water stains, any signs of rust, other corrosions or
separation of the vent piping.
B. Should an inspection turn up signs of condensation, corrosion
or damage, the boiler should be shut down immediately and
the condition should be corrected by a qualified professional.
C. All Victory VSPH/NDV boilers are equipped with a built-in con-
densation drain and trap. The trap loop must be filled with
water. DO NOT operate the boiler without filling the trap with
water to prevent flue gas discharge into space. Periodic
inspection should be made of this assembly for deterioration
of the tubing and to insure that the trap is not plugged. If it is
plugged or appears to have excessive sediment in it, it should
be removed from the drain assembly, straightened out to clear
the obstruction, reformed, filled with water and reinstalled as
before.
GAS PIPING
A. Local installation codes apply. The pipe joint compound
used on threads must be resistant to the action of liquefied
petroleum gases.
B. The gas supply line to the boiler should run directly from the
meter for natural gas or from the fuel tank for L.P. propane
gas. See page 2 for location of union and manual main
shut-off valve that may be specified locally.
Selecting pipe size for natural gas:
1. Measure or estimate the length of piping from the meter
to the installation site.
2. Consult gas supplier for heating value of gas (Btu/cu. ft.).
3. Divide boiler rated input by heating value to find gas flow
in piping (cu. ft. per hour).
4. Use table below to select proper pipe size.
EXAMPLE: Boiler model VSPH/NDV-150 is to be installed. Dis-
tance from gas meter to the boilers is 30ft. Heating value of
natural gas is 1020 Btu/cu. Ft. Select proper pipe size.
Gas flow = 150,000 Btu/hour = 147 cu. ft. per hour
1020 Btu/cu. ft.
At 30 ft. length of pipe, match required capacity from table on
this page (choose higher capacity, in this case is 152 cu. ft. per
hour). Required pipe size is
Improper gas pipe sizing will result in pilot flame outages, insuf-
ficient heat and other installation difficulties. For more informa-
tion and also if other appliances are to be attached to the pip-
ing system, see Appendix C of National Fuel Gas Code ANSI
Z223.1-latest edition.
3
⁄
".
4
C. The boiler and its gas connection must be leak tested
before placing the boiler in operation. Use liquid soap solu-
tion for all gas leak testing. DO NOT use open flame. This
boiler and its individual shutoff valve must be disconnected
from the gas supply piping system during any pressure test-
ing of that system at test pressures in excess of
This boiler must be isolated from the gas supply piping sys-
tem by closing its individual manual shutoff valve during any
pressure testing of the gas supply piping system at test
pressures equal to or less than
D. All gas piping used should be inspected thoroughly for
cleanliness before makeup. A sediment trap must be provid-
ed, as illustrated on page 2.
E. The minimum and maximum gas supply pressure (at the
inlet of gas valve) are shown on the boiler rating plate for
the type of gas used. Gas supply pressure should never be
less than minimum or more than maximum pressure when
the boiler or any other appliance is turned on or off.
Gas Flow In piping -- cu. ft. per hr.
Length
Iron Pipe Size (IPS) — inches
of pipe
1/2
in Feet
3
/
4
10
132
278
20
92
190
30
73
152
40
63
130
50
56
115
60
50
105
70
46
96
80
43
90
90
40
84
100
38
79
At pressure drop of 0.3 in. water, specific gravity = 0.6.
ELECTRICAL WIRING
DANGER: Before wiring always turn off electric power supply
otherwise, shock or death can result.
1. Power Supply
A separately fused circuit is recommended. Use standard
15 Amp. fuse or breaker and 14 gage conductors in BX
cable or conduit.
Provide disconnect means and overload protection as
required. See boiler wiring diagram (Figure 9a) boiler con-
trol (Figure13b) and ladder diagram (Figure 9c).
Boiler must be electrically grounded in accordance with the
requirements of the authority having jurisdiction, or, in the
absence of such requirements, with the National Electrical
Code, ANSI/NFPA 70-latest edition.
V
ICTORY VSPH/NDV Models
⁄
1
2
1
⁄
PSIG.
2
1
1
1
/
4
520
1050
350
730
285
590
245
500
215
440
195
400
180
370
170
350
160
320
150
305
PSIG.
1
1
/
2
1600
1100
890
760
670
610
560
530
490
460
Advertisement
Table of Contents
