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TABLE 2: GUIDELINES FOR HEATER PLACEMENT: INDOOR SPACE HEATING
MODELS:
SPW2-JZ/ IWP2
STW2-JZ(S) / IW2(S)
NOMINAL INPUTS
200,000/140,000
175,000/125,000
155,000/110,000
130,000/90,000
110,000/75,000
80,000/60,000
*
GUIDELINE MOUNTING HEIGHTS are typical to provide optimum comfort in general indoor-
space heating applications. Variance to these typical heights can occur in some applications:
Higher mounting heights due to structure or application requirements
•
Lower mounting heights for area or 'spot' heat indoor or , or in areas with greater infiltra-
•
tion losses (near overhead doors, etc)
IMPORTANT: Single or multiple heater placement must be such that continuous
operation of heater(s) will not cause combustible material or materials in storage
to reach a temperature in excess of ambient temperature plus 90F° (50C°).
It is the installer's responsibility to ensure that building materials with a
low heat tolerance which may degrade at lower temperatures are
protected to prevent degradation. Examples of low heat tolerance materi-
als include vinyl siding, fabrics, some plastics, filmy materials, etc.
Refer to "Clearance to Combustibles" information on pages 6 to 8, and Fig-
ure 1 and Table 1.
7.
SYSTEMS INCORPORATING 90° ELBOWS AND 180° ELBOWS
The radiant tube heater can be installed in configurations as illustrated in FIGURE 4. (below)
with a maximum of two 90° elbows per heater. The use of elbows reduces the total maximum
vent allowable. (See Section 11 : Flue venting)
90° elbows (JS-0508-JZ) are shipped as a kit with one coupler, and one plate hanger. For a
180° elbow, order 2 x 90° kits that assemble to create a 180°. The reflectors must be secured
to each of the elbow plate hangers, See PAGE 16.
SPW2, STW2(S) / IWP2, IW2(S) I&O Manual
IM170629
RL: 03C
RD: APR 2019
MAXIMUM
DISTANCE
MOUNTING
BETWEEN
HEIGHT
HEATERS
ft (m)
18 – 25 (6 - 8)
18 – 25 (6 - 8)
16 – 21 (5 - 7)
15 – 21 (5 - 7)
13 – 19 (4 - 6)
10 – 16 (3 - 5)
DISTANCE – OUTSIDE WALL
TO HEATER LONG AXIS
(PARALLEL TO WALL) IN "FEET"
HORIZONTAL
ft (m)
ft (m)
50 (15)
17 – 25 (5 - 8)
50 (15)
17 – 25 (5 - 8)
45 (14)
15 – 20 (5 - 7)
40 (12)
15 – 20 (5 - 7)
35 (11)
13 – 18 (4 - 6)
30 (9)
12 – 16 (4 - 5)
12
ANGLE
COMBUSTIBLE
CLEARANCE
BEHIND
(refer to Table 1)
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