Schwank infrasave SET Series Operating instructions
SET(U) / ITT(U) Manual
IM091221
RD: APR 2019
RL: 13C
INSTALLATION / OWNER’S MANUAL
Improper installation, adjustment, alteration, service or
maintenance can cause property damage, injury or death.
Read the installation and operating and maintenance instruc-
tions thoroughly before installing or servicing this equipment.
SAFETY ALERT:
This heater must be installed and serviced only by a trained gas service techni-
cian. Failure to comply could result in personal injury, death, fire and/or property
damage.
Do not store or use gasoline or other flammable vapours and liquids in the
vicinity of this or any other gas fired appliance.
IF YOU SMELL GAS:
◼ Extinguish any open flame
◼ Do not attempt to light this or any other appliance
◼ Don’t touch any electrical switch, or telephone
◼ Immediately call your gas supplier from a neighbor’s phone
◼ Follow any and all instruction from your gas supplier
◼ If your gas supplier is not available, call the fire department
FIELD CONVERTIBILITY:
This appliance is field con-
vertible to Propane.
Keep this manual in a secure place .
Record for future reference:
Model #:
Serial #:
(located on heater rating label)
SET - SETU Series &
-
ITT - ITTU Series
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SET(U) / ITT(U) Manual
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NOTICE:
This manual is current for the product with which it is packaged. Occasional revision of the
product Certification Standard and/or Codes may require changes to the product and/or this
manual.
This publication, or parts thereof, may not be reproduced in any form, without prior written
consent from The Manufacturer. Unauthorized use or distribution of this publication is strictly
prohibited.
Schwank and InfraSave brands
5285 Bradco Boulevard
Mississauga, Ontario,L4W 2A6
PO Box 988, 2 Schwank Way
Waynesboro, Georgia 30830
Phone: 877-446-3727
Fax: 866-361-0523
e-mail: csr@schwankgroup.com
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........
IMPORTANT INFORMATION - READ FIRST
..............................................4
...........................5, 31
...............................5, 31
...............................................5, 26
‘’....................................5
.......5
‘’..............................................6
............6
Clearances Figure & Table ........................7
..........................8
1. LABOR REQUIREMENTS ................................ 9
2. INSTALLATION IN AIRCRAFT HANGARS ...... 9
3. INSTALLATION IN COMMERCIAL
GARAGES......................................................... 9
4. INSTALLATIONS OTHER THAN
SPACE HEATING ............................................. 9
5. PRE-INSTALLATION SURVEY ...................... 10
6. MOUNTING CLEARANCES ........................... 11
SERVICE CLEARANCE.................................. 11
HEATER PLACEMENT GUIDELINES............ 12
7. SYSTEMS WITH 90° & 180° ELBOWS .......... 12
ELBOW KIT DIMENSIONS .……… …..13, 50
8. SUSPENDING THE SYSTEM......................... 14
9. BURNER & TUBE INSTALLATION
STRAIGHT TUBE SYSTEM......................... 15
‘U’ TUBE SYSTEM....................................... 17
SPECIAL COUPLING - 175 & 200 Mbh .... ..19
10. REFLECTOR INSTALLATION ........................ 20
11. FLUE VENTING .............................................. 22
12. COMBUSTION AIR DUCT .............................. 28
13. GAS SUPPLY ................................................. 29
HEATER EXPANSION .................................... 30
FLEXIBLE GAS CONNECTION...................... 31
……...
14. ELECTRICAL AND THERMOSTAT ................ 32
15. HIGH ALTITUDE INSTALLATION................... 32
16. LIGHTING INSTRUCTIONS .............. .............32
17. RECOMMENDED MAINTENANCE .............. ..32
18. WIRING DIAGRAM: FENWAL DSI
2-STAGE 24 VOLT THERMOSTAT............. 33
19. WIRING DIAGRAM MULTIPLE HEATERS
PER 2-STAGE THERMOSTAT.................... 34
20. FENWAL DSI: SEQUENCE OF OPERATION ......... 35
SPARK IGNITER ADJUSTMENT ................... 37
21. TROUBLESHOOTING GUIDE: FENWAL DSI......... 38
22. TROUBLESHOOTING GUIDE: HEATER ................ 39
23. START– UP / COMMISSIONING SHEET ...... 41
24. HEATER DIMENSIONS / WEIGHTS ………43
INSTALLATION DIMENSIONS ………. ..44
25. BURNER / TUBE KIT ASSEMBLY CHART
STRAIGHT TUBE SYSTEM ………….......45
‘U’ TUBE SYSTEM ………………………...46
26. TURBULATORS .............................................. 47
TURBULATOR ILLUSTRATION ..................... 48
27. HIGH ALTITUDE & ORIFICE CHART ............. 49
28. OPTIONAL ACCESSORIES ..................... 50 - 52
29. BURNER PARTS LIST ............................ 53 - 56
30. TUBE SYSTEM PARTS LIST .......................... 57
WARRANTY STATEMENT................... BACK PAGE
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A gas-fired radiant tube heater may be installed for heating of commercial / industrial non-
residential spaces. It is beyond the scope of these instructions to consider all conditions that
may be encountered. Installation must conform with all local building codes or, in the absence
of local codes, with the National Fuel Gas Code, ANSI Z223.1/NFPA 54 in the U.S.A. or the
Natural Gas and Propane Installation Code, CSA B149.1 in Canada. The latest edition Electri-
cal Code ANSI/NFPA N0 70 in the U.S.A. and PART 1 CSA C22.1 in Canada must also be ob-
served.
Installation of a gas fired tube heater must conform to all heating installation design procedures
including clearance to combustibles, connection to the gas and electrical supplies, and ventila-
tion.
This heater is not for installation in a Class 1 or Class 2 explosive environment, nor a resi-
dence. If installation of this equipment is in question, consult with local authorities having juris-
diction (Fire Marshall, labor department, insurance underwriter, or others).
Revisions to codes and/or standards, may require revision to equipment and installation proce-
dures. In case of discrepancy, the latest codes, standards, and installation manual will take pri-
ority over prior releases.
andmay be installed for two stage heating of commercial / industrial non-
residential
(two stage) and -/ (single stage) have a powder coated
water resistant burner enclosure and may be installed for heating of commercial / industrial non
-residential
-and have a stainless steel water resistant burner enclosure and may be
installed for heating of commercial / industrial non-residential
Improper installation, adjustment, alteration, service or mainte-
nance can cause property damage, injury or death. Read and
understand this installation and operation manual thoroughly prior to assembly,
installation, operation or service to this appliance.
This heater must be installed and serviced only by a trained gas service techni-
cian.
Do not store or use gasoline or other flammable vapours and liquids in the vicinity
of this or any other gas fired appliance.
Failure to comply could result in personal injury, death, fire and/or property dam-
age.
Do not store or use gasoline or other flammable vapours and liquids in the vicinity
of this or any other gas fired appliance.
This appliance may have sharp edges and corners. Wear protective clothing such
as gloves and protective eye wear when servicing this or any other appliance.
WARNING
California Proposition 65:
: This product can expose you to chemicals including carbon monoxide, which
is known to the State of California to cause birth defects or other reproductive harm. For more
information, go to www.P65Warnings.ca.gov
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It is a normal condition that during heat-up and cool-down a tube
heater will expand and contract. Allowances for heater expansion
must be made in the gas connection, venting and combustion air
ducting. Improper installation, alteration, or adjustment can result in
property damage, injury or death.
Inadequate venting of a heater may result in asphyxiation, carbon
monoxide poisoning, injury or death. This heater may be directly or
indirectly vented from the space. Venting must be in accordance with
all local, state, provincial, and national codes (ANSI Z223.1/NFPA 54
in USA; B149.1 in Canada) and as indicated in this manual.
Improper installation, connection, or adjustment can result in property
damage, toxic gases, asphyxiation, injury or death. Using an ap-
proved flexible gas connector in the USA or Type 1 hose connector
in Canada, the gas supply to the heater must be connected and test-
ed in accordance with all local, state, provincial, and national codes (ANSI Z223.1/NFPA 54 in
USA; B149.1 in Canada) and as indicated in this manual.
-‘’
During start up, the heating of material coatings used in the production process of tubes and
reflectors will create smoke during the initial period of operation. This condition is normal and
temporary .
Ensure that there is sufficient ventilation to adequately clear any smoke from the space.
Notify site and safety personnel to ensure that alarm systems are not unduly activated.
Infrared radiant (IR) heating system provide comfort with the effect of radiant heat and ambient
air heat.
If your IR system is controlled with a TruTemp or ThermoControl Plus controller that senses radi-
ant heat, then set the control to the desired comfort temperature (ie: 65°; 68°; 20°C).
If your IR system is controlled with a standard 24V or 120V thermostat that senses only air tem-
perature, then start with a thermostat setting that is 5° to 7°F (3° to 5°C) lower than the desired
comfort temperature. Some trial and error setting may be required to ‘fine tune’ the comfort tem-
perature that best suits the site and provides most economical operation.
Unoccupied (night) set-back of 9°F (5°C) is recommended. Do not turn the system ‘Off’.
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Location of flammable or explosive objects, liquids or vapors close to the heater may cause fire
or explosion and result in property damage, injury or death. Do not use, store or locate flamma-
ble or explosive objects, liquids or vapors in proximity of the heater.
’
In locations used for the storage of combustible materials, signs must be posted to specify the
maximum permissible stacking height to maintain the required clearances from the heater to
the combustibles. Such signs must either be posted adjacent to the heater thermostats or in
the absence of such thermostats in a conspicuous location. In addition to stored or stationary
material, consideration must also be given to moveable objects such as cranes, vehicles, and
overhead doors, and structural objects such as sprinkler heads, electrical and gas lines, and
electrical fixtures.
It is beyond the scope of these instructions to consider all conditions that may be encountered.
Consult local authorities such as the Fire Marshall, insurance carrier, or safety authorities if you
are uncertain as to the safety or applicability of the proposed installation.
.
“”
It is a normal condition that the combustion tube (1st tube) can appear to “glow red”. For inputs
up to 150,000 Btuh, the top surface of the tube can appear red where heat is trapped between
the reflector and the tube. The stainless steel tube used for inputs 175,000 and greater can ap-
pear to entirely glow red. The tube material is designed into the heater because it can with-
stand the high temperature of combustion, and the “red glow” is a normal occurrence.
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-refer to Table 1 for values
* .
The clearance to combustible materials represents the minimum distance that must be main-
tained between the heater and a nearby surface.
’
‘’ USE AN INDELIBLE MARKER TO
ENTER VALUES ‘H’, ‘S’, ‘F’, & ‘B’ ON .
POST THE SIGN ADJACENT TO THE HEATER THERMOSTAT OR IN A
PROMINENT LOCATION. See next page for details.
Suspended at an
angle up to 45°
Suspended
horizontally
FLOOR
Maximum
Stack Height
= T- C
‘T’ is meas-
ured on site,
‘C’ is in Table
FLOOR
Maximum
Stack Height
= T- C
‘T’ is meas-
ured on site,
‘C’ is in Table
“” &
“-”
inches (cm)
inches (cm)
inches (cm)
inches (cm)
inches (cm)
inches (cm)
inches (cm)
7” (18) 22” (56) 68” (172) 7” (18) 1” (2.5) 57” (145) 68” (172)
6.5” (16.5) 20” (51) 68” (172) 6.5” (16.5) 1” (2.5) 47” (119) 68” (172)
6” (15) 19” (48) 64” (163) 6” (15) 1” (2.5) 44” (112) 64” (163)
4” (10) 11” (28) 60” (152) 5” (13) 1” (2.5) 35” (89) 56” (142)
3” (8) 10” (25) 60” (152) 4.5” (11) 1” (2.5) 26” (66) 54” (137)
2.5” (6) 6” (15) 42” (107) 3.5” (9) 1” (2.5) 23” (59) 38” (97)
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VENT END CLEARANCE: Clearances from the vent pipe are determined by local or national
installation codes, but must not be less than 6 inches (15 cm). For ‘unvented’ installation, a
minimum distance of 24 inches (61 cm) is required from the end of heater to a combustible sur-
face.
specifying the maximum permissible stacking height to
maintain the required clearances from the heater to the combustibles.
The signs must be posted either adjacent to the IR heating system thermostats or in the ab-
sence of such thermostats, in a conspicuous place.
“”
To calculate the value ‘’: ( = - )
• Measure the on site distance between bottom of
the heater and the floor = ‘’ inches (cm).
• Refer to Table 1 to get the value ‘’ that corre-
sponds to the model you are installing
• Subtract the clearance below the heater ‘’ from
‘’ to get value ‘’.
• Enter this value ‘’ on the sign.
Refer to the information for the heater model
being installed in Figure 1 and Table 1 to get
the values for dimensions ‘’, ‘’ and ‘’.
WARNING
Post this sign as instructed above.
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Low intensity radiant tube heaters are suitable for use in aircraft hangars when installed in ac-
cordance with the latest edition of the Standard for Aircraft Hangars, ANSI/NFPA No 409 in the
USA, or the Canadian Natural Gas and Propane Installation Code, B149.1.
A. A minimum clearance of 10 ft (3 m) above either the highest fuel storage compartment or
the highest engine enclosure of the highest aircraft which may occupy the hangar. The
clearance to the bottom of the heater shall be measured from the upper surface of either
the fuel storage compartment or the engine enclosure, whichever is higher from the floor.
B. A minimum clearance of 8 ft (2.4 m) must be maintained from the bottom of the heater to
the floor in other sections of the aircraft hangar, such as offices and shops, which communi-
cate with areas for servicing or storage. Refer to Section 1 for proper mounting clearances
to combustibles.
C. Heaters must be located so as to be protected from damage by aircraft and other objects,
such as cranes and movable scaffolding.
D. Heaters must be located so as to be accessible for servicing and adjustment.
Two persons are required to safely install this equipment. Wear gloves and other required safe-
ty protection.
Low Intensity Heaters are suitable for use in commercial garages when installed in accordance
with the latest edition of the Standard for Parking Structures, ANSI/NFPA 88A, or the Standard
for Repair Garages, ANSI/NFPA No. 88B, or the Canadian Natural Gas and Propane Installa-
tion Code, B149.1.
An overhead heater shall be located high enough to maintain the mini-
mum distance to combustibles, as shown on the heater rating plate,
from the heater to any vehicles parked below the heater.
Overhead heaters shall be installed at least 8 ft (2.4 m) above the floor.
Use for process or other applications that are not space heating will void the C.S.A. certification
and product warranty. Process application requires field inspection and/or certification by local
authorities having jurisdiction.
WARNING
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WARNING
Improper installation, adjustment, alteration, service or maintenance can cause
property damage, injury or death. Read and understand this installation and
operation manual thoroughly prior to assembly, installation, operation or service to
this appliance.
This heater must be installed and serviced only by a trained gas service technician.
Do not store or use gasoline or other flammable vapours and liquids in the vicinity
of this or any other gas fired appliance.
Failure to comply could result in personal injury, death, fire and/or property damage.
Do not store or use gasoline or other flammable vapours and liquids in the vicinity
of this or any other gas fired appliance.
It is recommended that a full heating design including heat loss calculation be conducted on
the structure or area to be heated. Heater sizing and placement must consider available
mounting height, sources of greatest heat loss, and the certified clearances to combustibles
with respect to stored material, moveable objects (cranes, vehicles, lifts, overhead doors, etc),
sprinkler system heads, and other obstructions on the site. Consideration must also be given to
vent / duct placement and the allowable combined lengths of vent and duct. Carefully survey
the area to be heated, and for best results place burner and combustion chamber in the coldest
area(s) .
Installation must conform with all local, state, provincial and national code requirements includ-
ing the current latest edition ANSI Z223.1 (NFPA 54) in the U.S.A. and B149.1 installation
code in Canada, for gas burning appliances and equipment. The latest edition Electrical Code
ANSI/NFPA N0 70 in the U.S.A. and PART 1 CSA C22.1 in Canada must also be observed.
The heating system must have gas piping of the correct diameter, length, and arrangement to
function properly. For this reason, a layout drawing is necessary.
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This heater must be mounted with at least the minimum clearances between the heater and
combustibles as shown in FIG.1, TABLE 1. It is the installer’s responsibility to ensure that
building materials with a low heat tolerance which may degrade at lower temperatures are pro-
tected to prevent degradation. Examples of low heat tolerance materials include vinyl siding,
fabrics, some plastics, filmy materials, etc.
Positioning of lights, sprinkler heads, overhead doors, storage areas, gas and electrical lines,
parked vehicles, cranes and any other possible obstruction or hazard must be evaluated prior
to installation.
: The lower ‘jaw’ of the burner cabinet swings down to provide
convenient service access to burner components. Provide a minimum clearance from any wall
or obstruction of 6 inches (15 cm) to the access end of the burner housing, and a minimum of
24 inches (61 cm) to any ONE side to allow servicing of burner, blower and controls. (see Fig-
ure 2) - the minimum clearances to combustibles must always be maintained.
For guidelines to heater placement refer to TABLE 2 (below).
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* GUIDELINE MOUNTING HEIGHTS are typical to provide optimum comfort in general 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, or in areas with greater infiltration losses
(near overhead doors, etc)
: Single or multiple heater placement must be such that continu-
ous operation of heater(s) will not cause combustible material or materials in
storage to reach a temperature in excess of the ambient temperature in the
space 90F° (50C°).
’
“”
“”
“-”
(m)
(m)
“”
(m)
SET / ITT 200/140 18 25 (6 - 8) (15) 17 25 (5 - 8)
MINIMUM =
COMBUSTIBLE
CLEARANCE
BEHIND
(refer to Table 1)
SET / ITT 175/125 18 25 (6 - 8) (15) 17 25 (5 - 8)
SET / ITT 155/110 16 21 (5 - 7) (14) 15 20 (5 - 7)
SET / ITT 130/90 15 21 (5 - 7) (12) 15 20 (5 - 7)
SET / ITT 110/75 13 19 (4 - 6) (11) 13 18 (4 - 6)
SET / ITT 80/60 10 16 (3 - 5) (9) 12 16 (4 - 5)
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-0528-SM) are shipped as a kit with one coupler, and two reflector end caps.
The SET / ITT is available in a “U-Tube” model - SETU / ITTU - using a 180° turn box. A dou-
ble wide reflector covers the double tube run. Alternately, for a 180° elbow, order 2 x 90° kits
that connect to create a 180°.
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: : A minimum run of straight radiant tube
must be connected to the burner before any elbow as follows: Inputs 200 (60
kW) and 175 Mbh (50 kW) = 25 ft (7.6 m); Input 155 Mbh (45 kW) = 20 ft (6 m);
Inputs 130 Mbh (38 kW) and 110 Mbh (32 Kw) = 15 ft (4.6 m); and Input 80 Mbh
(23 kW) a minimum of 10 ft (3 m) straight tube before elbow.
5900 Elbow
6Tube Coupler
7Unswaged end of elbow and tube (swage
of previous tube or elbow inserted).
1End-Cap
2Reflector
3End Cap Flange OVER Reflector
4End Cap Flange UNDER Reflector
1
2
2
3 3
44
5
6
7
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-
Inadequate or improper suspension of the tube heater can result in collapse of
the system, property damage, and personal injury or death.
It is the installer’s responsibility to ensure that the hardware and structural sup-
ports from which the heater is suspended are sound and of adequate strength
to support the weight and expansion forces of the heater.
Consider that the heater will expand in length as much as 1/2 inch (12.5 mm) or more for every
10 ft (3 m) of system length – typically the greater the firing rate, the greater the expansion.
1) Survey the available structural supports, considering the system configuration and heat re-
quirements of the area to establish the optimum heater location.
a) Locating a heater directly under joists or beams, or installing supplemental steel support
rail or angle iron can substantially reduce labor and materials
2) Hardware with a minimum 60 lb. (30 kg) work load must be used at each heater suspension
point. A #8 Jack Chain or equivalent is typically used for suspending the heater.
a) Connect to the structure using typical hardware as illustrated in FIGURE 6 (below) or by
other mechanically sound means
b) If rigid devices such as 3/8” threaded rods are used for suspension, swing joints or other
means must be provided to allow for system expansion - approximately ½ inch to 1 inch
for every 10 ft (1 cm to 2.5 cm for every 3 m) of system length.
3) Tube system hangers must be located:
i: Straight in line
ii: At a common height (level)
NOTE: It is important that the
tubes in the system are in-
stalled in alignment horizontal-
ly (level) and vertically (in line)
– this will ensure system integ-
rity
HOOK OR EYE
BOLT THROUGH
HOLE IN BEAM
BEAM CLAMP
WITH HOOK OR
EYE
HOOK OR
EYE
PIPE RING
OR CLEVIS
BAR-JOIST
CLAMP
NOTE: It is the installer’s responsibility to ensure that mounting hardware and
fastening to structure are of sufficient strength to support the system.
G
4
3
G
G
D2
1
F
C
STRAIGHT TUBE SYSTEM
‘U’ TUBE SYSTEM
90° ELBOW
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1) Install Hangers in alignment and suspended at the same height:
i: No closer than 3” (5 CM) and no further than 5” (10 cm) from the burner/tube flange
ii: Between 6” (15 cm) and 24” (61 cm) either side of a tube connection in the system
2) Install first aluminized tube section on to first two wire hangers.
3) : Remove & retain sight glass (2 screws), then install Flame Rectifier into
the flanged end of first tube (Flame Rectifier -), See Fig. 8A.
4) Bolt burner to flange on first tube section, Fig. 8B. Install igniter in first tube, Fig. 8A.
5) Slide a Torctite tube coupler over the swaged end of the first tube, then join the second tube
over the swage in the first tube
6) Slide the Torctite coupler into position across the center of the joint - SEE FIGURE 9
7) IMPORTANT: TOURQUE THE COUPLER BOLTS TO 40 ft-lbs
8) Subsequent lengths of tube can then be installed, by joining them together swaged portion
inside the next tube and locking the joints using the Torctite coupler. SEE FIGURE 9.
9) If there is a 90° elbow in the system refer to Section 7 and Figures 3 & 4
9 - REFLECTOR
10 - OPTIONAL FLUE
VENT TERMINAL
11 - BURNER SUPPORT CHAIN
12 - HANGER SUPPORT CHAINS
5 - SIGHT GLASS
6 - ALUMINIZED TUBE WITH
FLANGE
7 - TORCTITE TUBE COUPLER
8 - STEEL TUBE(S)
1 - END CAP
2 - WIRE HANGER
3 - BURNER ASSEMBLY
4 - COMBUSTION AIR OPTIONS:
4B - JS-0532-VC 4” WALL CAP
4C - JA-0528-XX 4” ROOF CAP
SUSPEND ALL TUBES BY TWO (2) HANGERS PER 10’ LENGTH, LOCATE HANGERS BETWEEN 6” to 24”
FROM EACH TUBE CONNECTION.
1ST & 2ND TUBES FROM BURNER END: INSTALL WELDED SEAM FACING DOWNWARD.
6” MIN. to 24” MAX.
-
: Remove and discard 60” turbulator from the second tube
Remove and discard 40” turbulator from the upstream end of last tube
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(: See Section 9.3 for ‘Special Couplers’ at
first tube joint: 175,000 & 200,000 models)
1. Tube
2. Swaged end of upstream tube
3. Tube Coupler
4. Centre coupler over tube joint
-.
Note: Flange Gasket not required between burner and
tube flange
1. Fifth Nut (Holds Inner Burner to Housing - Do Not
Loosen or Remove)
2. Insert four burner bolts through the tube flange,
secure tightly with lock nuts.
3. Secure suspension chain to eye bolt to stabilize
burner
FOR ANGLE LESS
THAN 45° USE
CHAIN TO BOTH
EYES ON HANGER
45° 45°
4
3
1
1
2
.
Flame Rectifier is shipped inside the Burner box.
Igniter is shipped taped inside the Burner box.
1 Remove & retain sight glass
2 Insert Flame Rectifier into tube
4 Reinstall sight glass
5 Install igniter with gasket
into tube port
3 Feet of the flame rectifier seat
against the tube flange and
point toward flange corners
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‘’-
-
-Remove and discard 40” turbulator from the upstream end of last
tube
1) Install Hangers using chain or other suitable suspension hardware at each side of the hang-
er: See Figure 11 next page
i: Two hangers for first section (from burner), and one hanger for each additional section
ii: No closer than 12” (30 cm) and no further than 14” (35 cm) from the burner/tube flange
iii: No closer than 6” (15 cm) from a tube connection in the system
iv: No further than 18” (61 cm) from a tube connection in the system
v: If angle mounting a ‘U’ Tube model, the vent side must be in the upper position
2) With all hangers in alignment and suspended at the same height (and angle), insert first alu-
minized tube section on to the first two hangers: See Figure 12A next page
• Also lay the vent end tube on to the first two hangers - check tubes for turbulator la-
bel to ensure the correct tube is located at the vent end
NOTE: INSTALL THE FIRST AND SECOND TUBES (FROM BURNER) WITH THE WELDED SEAM
ALONG THE TUBE LENGTH FACING DOWNWARD
3) Fasten flanged tube to hangers with ‘U’ bolts:
• All tubes on the burner-side of the heater are bolted to the hangers with ‘U’ bolts
• Tubes on vent-side simply rest in the hanger notch and do not fasten to the hanger.
4) Install Flame Rectifier (EXCEPT input 80/60); install igniter - See Figure 8A previous page.
5) Bolt burner to flange on first tube section - See Figure 8B previous page.
6) Slide a Torctite tube coupler over the swaged end of the first tube, then join the second tube
over the swage in the first tube -
7) Slide the Torctite coupler into position across the center of the tube joint - SEE FIGURE 9
: TOURQUE THE COUPLER BOLTS TO 40 ft-lbs
8) Subsequent lengths of tube can then be installed on both sides of the hangers by joining
them together swaged portion inside the next tube and locking the joints using the Torctite
coupler. SEE FIGURE 9.
9) Install Turn Box: See Fig 12B
• The Turn Box has “long” and “short” tube legs
• The ‘long’ leg attaches to the burner-run tubes
• The ‘short’ leg attaches to the vent-run tube side - tubes end short of burner for con-
nection of vent pipe
18
SET(U) / ITT(U) Manual
IM091221
RD: APR 2019
RL: 13C
‘’-
8 - STEEL TUBE(S)
9 - REFLECTOR
10 - FLUE VENT TERMINAL
11 - BURNER SUPPORT CHAIN
12 - HANGER SUPPORT
CHAINS
4B - JS-0532-VC 4” WALL CAP
4C - JA-0528-XX 4” ROOF CAP
5 - SIGHT GLASS
6 - ALUMINIZED TUBE WITH
FLANGE
7 - TORCTITE TUBE COUPLER
1 - END CAP
2 - WIRE HANGER
3 - BURNER ASSEMBLY
4 - COMBUSTION AIR OPTIONS:
4A - JS-0532-SE 4” INTAKE
ADAPTER
SUSPEND FIRST TUBES BY TWO (2) HANGERS, THEN SUBSEQUENT SECTIONS BY ONE HANGER
LOCATE HANGERTS BETWEEN 6” to 18” FROM EACH TUBE COUPLER.
INSTALL FIRST AND SECOND TUBES (FROM BURNER END) WITH WELDED SEAM FACING DOWNWARD.
‘’
‘’
‘’
19
SET(U) / ITT(U) Manual
IM091221
RD: APR 2019
RL: 13C
1. Note the 2 holes opposite each other at the swaged end of the first tube (flanged)
2. Install the with 2 holes (swaged end) at the 3 and 9 o’clock position, with the
3. Slide the loosened tube coupler on to the first tube, past the swage
4. The second tube has a ¼” hole at the female end.
5. Slide second tube over swaged end of first tube to align the hole in the second tube with one of
the holes in the first tube
6. Final alignment of the holes can be accomplished using a screw driver or other tool
7. Insert ¼” rivet into the hole to secure the tube connection
8. Slide coupler into position – half onto each tube – covering the rivet head
9. Tighten coupler bolts to 40 ft-lb
10. Install reflectors
NOTE: The joint of 1ST & 2ND tubes of 175,000 & 200,000 heaters experience strong
forces of expansion. Follow instructions below for special coupling of the tubes.
• - Fasten Second Tube to First Tube -
Steps 3 to 6
Step 7
Steps 8 & 9
1/4”
Welded seam in lower half of tube,
facing downward
Holes in swage of 1st tube:
locate at 3 and 9 o’clock
Steps 1
& 2
20
SET(U) / ITT(U) Manual
IM091221
RD: APR 2019
RL: 13C
---‘’-: After burner and tubes have been installed, slide the double-
wide reflectors one at a time onto the hangers. Fasten the FIRST hanger nearest the burner to
the reflector with a sheet metal screw up through the hole in the tab at each end of the hanger.
SEE FIGURE 12A
As each successive reflector is installed, the ends of the reflectors will overlap to provide con-
tinuous coverage over the entire tube system. The overlapping joints
with sheet metal screws - Note that for both horizontal and angle mounting, the
tube must be level along its length. Improper mounting can result in overheating of controls
and combustible materials.
Reflector extensions can be added to the heaters as an option. See Figure 15 and instructions
next page
-‘
’ -
-: After burner and tubes have been installed, slide the re-
flectors one at a time into the wire hangers. As each successive reflector is installed on an in-
line installation, the ends of the reflectors will overlap to provide continuous coverage over the
entire tube system. The overlapping joints with a sheet
metal screw.
Note that for either horizontal or angle mounting of the reflector, the tube must be level along
its length. Improper mounting can result in overheating of controls and combustible materials.
Reflector extensions can be added to the heaters as an option. See Figure 15 and instructions
next page
This manual suits for next models
27
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