Brochure

FRONT
RIGHT SIDE
REAR
OPTIONAL
BLOWER
CABINET
A
B
C
M = GAS CONNECTION
(NOT SUPPLY LINE)
J = VENT
SIZE
B÷2
K
V
Z
D
G
X
Y
FE
L
U
P
N N
S
R
OPTIONAL
BLOWER
CABINET
13/16”
(21mm)
13/16”
(21mm)
OPTIONAL
VERTICAL
LOUVERS
3/4”
(19mm)
12-1/4”
(57mm)
1/8”
(3mm)
4-1/4”
(108mm)
1-11/16”
(43mm)
3/4”
(19mm)
H
ELECTRIC SUPPLY
CONNECTION
(Centerline)
(4) SUSPENSION POINTS
3/8 - 16 FEMALE THREADS
(Centerlines)
RIGHT SIDE
OPTIONAL VERTICAL POSITION
T
NOTE
J
NOTE
K
DIMENSIONS
Model B
±1/16" (2mm)
FiltersforOptionalBlowerCabinet
Size A B C
C
D E F
D
G
E F
H J K L
E G
M
N
E
P
E
R
E
S
E
T
G
U
G
V
E
W
E
X
H
Y ZNat Pro
25
in 30 1/8 13 1/2 43 1/2 31 1/2 5 7/8 14 1/2 61 1/2 19 4 Rnd 10 1/4 15 7/8 1/2 1/2 3 3/4 21 17 3/4 5 1/4 10 3/4 8 1/2 14 3/4 6 1/4 31 1/4 21 1/2 27 5/8
mm (765) (343) (1,105) (800) (149) (368) (1,562) (483) -- (260) (403) -- -- (95) (533) (451) (133) (273) (216) (375) (159) (794) (546) (702)
50
in 30 1/8 13 1/2 50 31 1/2 5 7/8 14 1/2 61 1/2 19 4 Rnd 10 1/4 15 7/8 1/2 1/2 3 3/4 21 17 3/4 5 1/4 10 3/4 8 1/2 14 3/4 6 1/4 31 1/4 21 1/2 27 5/8
mm (765) (343) (1,270) (800) (149) (368) (1,562) (483) -- (260) (403) -- -- (95) (533) (451) (133) (273) (216) (375) (159) (794) (546) (702)
75
in 30 1/8 15 1/2 50 31 1/2 5 7/8 14 1/2 61 1/2 19 5 Oval 10 1/2 15 7/8 1/2 1/2 2 3/4 21 17 3/4 5 1/4 12 3/4 8 1/2 14 3/4 6 1/4 31 1/4 21 1/2 27 5/8
mm (765) (394) (1,270) (800) (149) (368) (1,562) (483) -- (267) (403) -- -- (70) (533) (451) (133) (324) (216) (375) (159) (794) (546) (702)
100
in 30 1/8 17 1/2 50 31 1/2 5 7/8 14 1/2 61 1/2 19 6 Oval 12 7/8 15 7/8 1/2 1/2 1 3/4 21 17 3/4 5 1/4 14 3/4 8 1/2 14 3/4 6 1/4 31 1/4 21 1/2 27 5/8
mm (765) (445) (1,270) (800) (149) (368) (1,562) (483) -- (327) (403) -- -- (44) (533) (451) (133) (375) (216) (375) (159) (794) (546) (702)
125
in 32 23 1/4 47 1/2 31 1/2 5 7/8 14 7/8 66 18 7 Oval 14 1/2 15 7/8 1/2 1/2 1 3/8 26 17 3/4 5 1/4 20 1/2 8 1/2 20 1/2 6 1/4 35 3/4 21 1/2 28 1/2
mm (813) (591) (1,207) (800) (149) (378) (1,676) (457) -- (368) (403) -- -- (35) (660) (451) (133) (521) (216) (521) (159) (908) (546) (724)
165
in 40 1/8 20 1/4 61 36 4 7/8 19 1/2 76 1/8 23 3/8 8 Oval 14 1/4 23 7/8 1/2 1/2 2 7/8 26 25 1/4 7 1/4 17 1/2 11 1/2 20 1/2 8 36 3/4 27 36 3/4
mm (1,019) (514) (1,549) (914) (124) (495) (1,934) (594) -- (362) (606) -- -- (73) (660) (641) (184) (445) (292) (521) (203) (933) (686) (933)
200
in 40 1/8 23 1/4 66 1/2 36 4 7/8 19 1/2 76 1/8 23 3/8 8 Oval 14 3/8 23 7/8 1/2 1/2 1 3/8 26 25 1/4 7 1/4 20 1/2 11 1/2 20 1/2 8 36 3/4 27 36 3/4
mm (1,019) (591) (1,689) (914) (124) (495) (1,934) (594) -- (365) (606) -- -- (35) (660) (641) (184) (521) (292) (521) (203) (933) (686) (933)
250
in 43 1/2 28 3/4
66 1/2 36 4 7/8 19 1/2 76 1/8 21 7/8
10
Oval
12 3/8 23 7/8 1/2 1/2 5 7/8 40 1/2 25 1/4 7 1/4 26 11 1/2 26 8 36 3/4 27 38 3/8
mm (1,105) (730) (1,689) (914) (124) (495) (1,934) (556) -- (314) (606) -- -- (149) (1,029) (641) (184) (660) (292) (660) (203) (933) (686) (975)
300
in 43 1/2 28 3/4 66 1/2 36 4 7/8 19 1/2 76 1/8 21 7/8
10
Oval
12 3/8 23 7/8 3/4 1/2 5 7/8 40 1/2 25 1/4 7 1/4 26 11 1/2 26 8 36 3/4 27 38 3/8
mm (1,105) (730) (1,689) (914) (124) (495) (1,934) (556) -- (314) (606) -- -- (149) (1,029) (641) (184) (660) (292) (660) (203) (933) (686) (975)
400
in 43 1/2 37 66 1/2 36 4 7/8 19 1/2 76 1/8 21 7/8
12
Oval
13 23 7/8 3/4 1/2 6 3/4 50 1/2 25 1/4 7 1/4 34 1/4 11 1/2 34 1/4 8 36 3/4 27 38 3/8
mm (1,105) (940) (1,689) (914) (124) (495) (1,934) (556) -- (330) (606) -- -- (171) (1,283) (641) (184) (870) (292) (870) (203) (933) (686) (975)
CLEARANCES FROM COMBUSTIBLES
RequiredClearances
Top&FlueConnector 6”
Sides 18”
Bottom 12”
(when supplied with optional downturn
nozzle, bottom clearance is 42”). For
service purposes, in standard units,
bottom clearance exceeding 12” minimum
is not required, but may be desirable.
Rear 24”
For service purposes the back of the unit
must have 24” clearance.
Size Qty. Filter Size
25-125 1 20x20
165-200
1 16x25
1 20x25
250-300
2 16x20
2 20x20
400
2 16x25
2 20x25
1” or 2” permanent filters
NOTES:
C
Deduct 6-5/8" on Models 50, 75 & 100 when equipped with direct drive motor.
D
Use with 4-point suspension without blower cabinet.
E
When equipped with optional blower cabinet.
F
Dimension includes a 3/4" ange on rear of blower cabinet.
G
When equipped with optional duct ange.
H
Use with 4-point suspension with blower cabinet.
J
Contactor is standard on Models 300 & 400; optional on other sizes.
K
Contactor location with optional 3 phase motors on Models 50, 75, 100 & 125.
Form RZ-C-UH (Version H) Page 22
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