14
In m
a
king g
a
s connections,
a
void str
a
ins
a
s they m
a
y c
a
use noise
a
nd d
a
m
a
ge the con-
trols. A b
a
ckup wrench is required to be used on the v
a
lve to
a
void d
a
m
a
ge.
The c
a
p
a
cities of g
a
s pipe of different di
a
meters
a
nd lengths in cu. ft. per hr. with pres-
sure drop of 0.3 in.
a
nd specific gr
a
vity of 0.60 (n
a
tur
a
l g
a
s)
a
re shown in T
a
ble 1.
After determining the pipe length, select the pipe size which will provide the minimum
cubic feet per hour required for the g
a
s input r
a
ting of the furn
a
ce. By formul
a
:
Gas Input of Furnace
(BTU/HR)
Cu. Ft. Per Hr. Required =
Heating Value of Gas
(BTU/FT
3
)
The g
a
s input of the furn
a
ce is m
a
rked on the furn
a
ce r
a
ting pl
a
te. The he
a
ting v
a
lue of
the g
a
s (BTU/FT
3
) m
a
y be determined by consulting the loc
a
l n
a
tur
a
l g
a
s utility or the
L.P. g
a
s supplier.
B. LP CONVERSION
Convert the v
a
lve to use liquefied petroleum (LP) g
a
s by repl
a
cing the pressure regul
a
tor
spring with the conversion kit spring. This LP kit spring
a
llows the regul
a
tor to m
a
int
a
in the
proper m
a
nifold pressure for LP g
a
s. The correct burner LP orifices
a
re included in the kit.
S
ee Figure 14.
IMPORTANT:
To remove the g
a
s v
a
lve, remove the four screws securing the m
a
nifold pipe
to the burner tr
a
y. Remove the m
a
nifold pipe with g
a
s v
a
lve
a
tt
a
ched.
S
ee Figure 15.
NOTE:
Order the correct LP conversion kit from the furn
a
ce m
a
nuf
a
cturer.
See Conversion
Kit Index shipped with unit for proper LP kit number. Furnace conversion to LP gas
must be performed by a qualified technician.
C. NOx MODELS
When converting units equipped with NOx inserts to LP g
a
s, the st
a
inless steel screen
mesh inserts in the entr
a
nce of the tubul
a
r exch
a
ngers
a
re not required to meet
S
CAQMD
NOx emission levels. These inserts
a
nd 1/
8
di
a
meter ret
a
ining rod should be c
a
refully
removed before firing this furn
a
ce on LP g
a
s.
IMPORTANT:
This furn
a
ce is not designed to
oper
a
te on LP g
a
s with the NOx inserts in pl
a
ce.
S
tep by step instructions on removing the NOx inserts
a
nd ret
a
ining rod
a
re included in the
Conversion Kit Inst
a
ll
a
tion Instructions.
!
WARNING
FACTORY FOR USE ON NATURAL GAS ONLY. CONVERSION TO LP GAS
REQUIRES A SPECIAL KIT SUPPLIED BY THE DISTRIBUTOR OR MANUFAC-
TURER. MAILING ADDRESSES ARE LISTED ON THE FURNACE RATING PLATE,
PARTS LIST AND WARRANTY. FAILURE TO USE THE PROPER CONVERSION
KIT CAN CAUSE FIRE, CARBON MONOXIDE POISONING, EXPLOSION, PER-
SONAL INJURY, PROPERTY DAMAGE OR DEATH.
Maximum capacity of pipe in thousands of BTU per hour of undiluted liquefied petroleum
gases (at 11 inches water column inlet pressure).
(Based on a Pressure Drop of 0.5 Inch Water Column)
TABLE 2
LP GAS PIPE CAPACITY TABLE (CU. FT./HR.)
Nominal
Iron Pipe
Size, Inches
10
20
30
40
50
60
70
80
90
100
125 150
275
189
152
129
114
103
96
89
83
78
69
63
567
393
315
267
237
217
196
182
173
162
146 132
1,071
732
590
504
448
409
378
346
322
307
275 252
2,205 1,496 1,212 1,039
913
834
771
724
677
630
567 511
3,307 2,299 1,858 1,559 1,417 1,275 1,181 1,086 1,023
976
866 787
6,221 4,331 3,465 2,992 2,646 2,394 2,205 2,047 1,921 1,811 1,606 1,496
1/2
3/4
1
1-1/4
1-1/2
2
Length of Pipe, Feet
Example (LP): Input BTU requirement of unit, 150,000
Equivalent length of pipe, 60 ft. = 3/4
IPS required.
Содержание RKNL 13 SEER (3-5 TONS) SERIES
Страница 6: ...6 FIGURE 3 CABINET DIMENSIONS AND ACCESS LOCATIONS FIGURE 4 SUPPLY AND RETURN DIMENSIONS I282 I288 ...
Страница 25: ...25 FIGURE 20 FIGURE 21 INTEGRATED FURNACE CONTROL SPEED TAP BLOCK FIGURE 22 ...
Страница 26: ...26 FIGURE 22 Continued ...
Страница 79: ...79 FIGURE 23 WIRING DIAGRAM ...
Страница 80: ...80 FIGURE 24 WIRING DIAGRAM ...
Страница 81: ...81 FIGURE 25 WIRING DIAGRAM ...
Страница 82: ...82 FIGURE 26 WIRING DIAGRAM ...
Страница 83: ...83 FIGURE 27 WIRING DIAGRAM ...
Страница 84: ...84 FIGURE 28 WIRING DIAGRAM ...
Страница 85: ...85 FIGURE 29 WIRING DIAGRAM ...
Страница 87: ...87 FIGURE 31 SYSTEM CHARGE CHARTS 3 5 TON COOLING 13 14 SEER ...
Страница 88: ...88 FIGURE 32 SYSTEM CHARGE CHARTS 4 TON COOLING 13 14 SEER ...
Страница 89: ...89 FIGURE 33 SYSTEM CHARGE CHARTS 5 TON COOLING 13 SEER ...
Страница 94: ...94 ...
Страница 95: ...95 ...
Страница 96: ...96 CM 0606 ...
