Raypak 206A Installation & Operating Instructions Manual page 17

SPECIFICATIONS AND DIMENSIONS
LO NOx UNITS
C
INDOOR
DRAFTHOOD
31-13/16"
7-3/4"
GAS
CONNECTION
BTUH (A)
Heater Input Cabinet
Model (000) Width
R207A 199.5 20"
R267A 266.0 23"
R337A 332.5 26"
R407A 399.0 29"
Designation for an AFT heater using natural gas is "EN".
Prefix "C" is for cast iron (ASME) headers; "P" is for plastic (polymer) headers.
Suffix "X" is for cupro-nickel tubing; "C" is for copper tubing.
EXAMPLE: P-R407A-EN-X = Plastic headers, 407 model size, AFT, natural gas, cupro-nickel.
For altitudes above 5,000 ft., consult the factory.
For Canada, no de-rating is required for elevations up to 4500 ft.
Plastic (polymer) headers cannot be used for ASME installations.
*Note: For outdoor stack, use J dimension in the table above for appropriate size PLUS six (6) inches.
B
D
A
(B) (C)
Flue Indoor
Dia. Drafthood
6" 55-5/8"
7" 56"
8" 57"
9" 58-1/2"
J
*
26-1/2"
ELECTRICAL
CONNECTION
20-1/2"
(22-1/2" ASME)
(D) (J)
Min. Gas
Conn.
10.0" 11-3/4" 3/4"
11.5" 11" 3/4"
13.0" 10-5/8" 3/4"
14.5" 12-1/8" 3/4"
17
120 Volt 240 Volt
L C
FLUE
(6-5/8" ASME)
4-3/8"
(3-3/8" ASME)
28"
Shipping Weights (lbs)
Standard ASME
Heater Heater
Water w/Stackless w/Stackless
Conn. Top
2" 174
2" 197
2" 219
2" 237
Amp Draw
6 3
10"
8-7/8"
34"
STACKLESS
OUTDOOR
TOP
Indoor
Draft-
Top hood
193 14
216 16
238 19
256 21