Schwank STR Series Istruzioni operative

SP-MSTR-AC-11A

STR Manual

RD: NOV, 2003

RL: 11

INSTALLATION /

OWNER’S

MANUAL

SCHWANK GAS FIRED

STR

SERIES

LOW INTENSITY, TUBE-TYPE

INFRA RED HEATERS

FOR YOUR SAFETY:

Do not store or use gasoline or other flammable

vapours and liquids in the vicinity of this or any

other appliance.

If you smell Gas:

>Extinguish any open flames

>Don’t touch electrical switches

>Call your Gas supplier immediately

FIELD CONVERTIBILITY:

“The conversion shall be carried out in

accordance with the requirements of the

authorities having jurisdiction and in

accordance with the requirements of the B149.1

(latest edition) INSTALLATION CODE” in

Canada, and the ANSI Z223.1 (latest edition) in

the U.S.A

FOR YOUR SAFETY

If you smell gas:

(1) Open windows

(2) Don’t touch electrical switches

(3) (Extinguish any open flame

Immediately call your gas supplier

SP-MSTR-AC-11A

STR Manual

RD: NOV, 2003

RL: 11

NOTICE:

Schwank Inc., reserves the right to make

changes to equipment and specifications

without obligation or notification.

All codes are current at the time of printing.

This publication, or parts thereof, may not be

reproduced in any form, without prior written

consent from Schwank Inc. Unauthorized

use or distribution of this publication

is strictly prohibited.

Schwank Inc.

5285 Bradco Boulevard

Mississauga, Ontario,

L4W 2A6

phone: (905) 712-4766

fax: (905) 712-8336

Schwank Inc.

PO Box 988

Waynesboro,

Georgia,USA 30830

Phone: (706) 554-6191

Technical Support: 1-877-446-3727

Fax: (706) 554 9390

e-mail: info@schwankheaters.com

http://www.schwankheaters.com

SP-MSTR-AC-11A

STR Manual

RD: NOV, 2003

RL: 11

STR GARAGE & WORK SHOP

INFRA-RED GAS TUBE HEATERS

TABLE OF CONTENTS

TOPIC PAGE NUMBER

1. GENERAL.............................................. 1

2. INSTALLATION IN GARAGES ... ...... 2

3. PRE-INSTALLATION SURVEY... ...... 2

TUBE KIT MATRIX....................... ...... 2

4. MOUNTING CLEARANCES................ 2

5. SYSTEMS INCORPORATING 90

DEGREE BENDS AND 180-DEGREE

ELBOWS ......................................... ...... 4

6. SUSPENSION SYSTEM................. ...... 5

7. BURNER AND TUBE

INSTALLTION ............................... ...... 7

8. REFLECTOR INSTALLATION..... ...... 9

9. FLUE VENTING.................................. 11

10. COMBUSTION AIR DUCT.....….… 14

TOPIC PAGE NUMBER

11. GAS SUPPLY INSTALLATION .......15

12. ELECTRICAL AND

THERMOSTAT WIRING ..................16

13. OPERATING SEQUENCE.................17

14. LIGHTING INSTRUCTION……….. 18

15. RECOMMENDED

MAINTENANCE................................18

16,18. WIRING DIGRAMS................19,23

17,19. TROUBLESHOOTING

GUIDES....................................20,24

20. SPARK IGNITION CIRCUIT ............22

21. START UP SHEET.............................23

22. OPTIONAL COMPONENTS .............25

23. LIMITED WARRANTY.....................28

SP-MSTR-AC-11A

STR Manual

RD: NOV, 2003

RL: 11

SP-MSTR-AC-11A

STR Manual

RD: NOV, 2003

RL: 11

Page 1

SCHWANK GAS INFRA-RED TUBE HEATER

STR SERIES

INSTALLATION INSTRUCTIONS

Installation of the Schwank STR Series

gas-fired tube heaters must be performed by a

qualified, licensed gas fitter and conform to

all Schwank heating installation design

procedures, including ventilation. All local,

provincial and national code requirements

must be met, ANSI/NFPA No. 88B 1985

(latest edition), which states clearances to

combustible construction or material in stor-

age, from heater and vent, must conform to

standard NFPA No. 54 (ANSI Z223.1 latest

edition), in the U.S.A. In Canada.the current

CSA-B149.1-00 installation codes for gas-

burning appliances and equipment, as well as

the Canadian electrical code CSA C22.1 .

Schwank STR Series heaters may be

installed for heating of residential indoor

spaces. It is beyond the scope of these in-

structions to embrace all conditions that will

be encountered. All system piping must be

supported in accordance with acceptable

industry practices, local codes, and applicable

standards.

1. GENERAL

The following tube lengths and corresponding BTU input ratings are available:

TABLE 1

*Zero to 2000 ft for the USA (For installations above 2000 ft see orifice Chart on Page 16)

** Manufactured and shipped in 10-ft. lengths

MODEL

TOTAL TUBE

LENGTH (FT)**

APPROX NET

WEIGHT IN

LBS

STR 60-30 29’ 4” 120

STR 60-20 19’ 8” 90

STR 45-20 19’ 8” 90

STR 45-10 10’ 0” 60

BTU/HR INPUT

ZERO TO 4,500’ *

ABOVE SEA LEVEL

60,000

45,000

SP-MSTR-AC-11A

STR Manual

RD: NOV, 2003

RL: 11

Page 2

3. PRE-INSTALLATION SURVEY

The Schwank STR heating system must

have gas piping of correct diameter,

length, and arrangement to function properly.

For this reason, a layout drawing is

necessary.

Carefully survey area to be heated. For best

results, whenever possible, place burner and

combustion chamber in coldest area.

4. MOUNTING CLEARANCES

Schwank STR Series tube heaters must be

mounted with minimum clearances between

the reflector surface and combustibles as

shown in FIGURE 1, TABLE 2 (page 3).

For recommended heater placement refer to

TABLE 3 (page 3).

Heaters should also be located in relation to

building construction and equipment, to

allowing a minimum clearance of 24 inches

from end of burner housing to enable

servicing and cleaning of burner, blower and

controls.

2. INSTALLATION IN GARAGES

Schwank STR Series tube heaters are

approved for use in garages. The installation

must conform to local building codes or, in

the absence of local codes, to the standard

NFPA No. 54 (ANSI Z223.1 latest edition),

in the U.S.A. and the CSA B149.1-00, and

CAN1.2.16-M81 in Canada.

In a garage installation, the minimum

clearance from the bottom of an infra-red

heater to the upper surface of a vehicle shall

not be less than the certified clearance to

combustible material as indicated on the

heater.

TS- TS- TS- TS-

4510- 4520- 1420- 1430-

CX CX CX CX

Stand-Alone Tube Kits require no additional tube kits.

Primary Tube Kits require at least one additional Secondary Tube Kit.

Secondary Tube Kits require a Primary Tube Kit.

Secondary Tube Kit TS-1010-AX can also be used as a 10 ft extension kit. The installer

may

need to remove the turbulator (refer to Turbulator Chart in the I&O Manual).

STR 60 20 JS-R060-A N/L

STR 60 30 JS-R060-A N/L

STR 45 10 JS-R045-A N/L

STR 45 20 JS-R045-A N/L

STR TUBE KIT PART # & QUANTITY

REQUIRED

ASSEMBLY CHART

Stand-Alone Kits Only

HEATER MODEL BURNER KIT

STR HEATER KIT

SP-MSTR-AC-11A

STR Manual

RD: NOV, 2003

RL: 11

Page 3

FIGURE 1 MINIMUM CLEARANCES TO COMBUSTIBLES

TABLE 2 MINIMUM CLEARANCES TO COMBUSTIBLES

MODEL

SUSPENDED AT AN ANGLE

UP TO 45 DEGREES

SUSPENDED

HORIZONTALLY

TOP BEHIND FRONT BELOW TOP SIDE BELOW

STR 60 2.0” 1” 17” 34” 1.5” 5.5” 34”

STR 45 4.5” 1” 29” 32” 4.5” 8.5” 32”

IMPORTANT: Continuous operation of single or multi-heater placement

must not cause any combustible material in storage to

reach a temperature in excess of 160OF.

TABLE 3 RECOMMENDED HEATER PLACEMENT

MODEL

MOUNTING

HEIGHTS

(FEET)

MAXIMUM

DISTANCE

BETWEEN

HEATERS (FEET)

DISTANCE – OUTSIDE WALL

TO HEATER LONG AXIS

PARALLEL TO WALL (FEET)

HORIZONTAL ANGLE

STR 60 8 - 14 25 11 – 15 COMBUSTIBLE

CLEARANCE

STR 45 6 - 10 20 8 – 12

SP-MSTR-AC-11A

STR Manual

RD: NOV, 2003

RL: 11

5. SYSTEMS INCORPORATING 90OBENDS AND 180OELBOWS

Page 4

The STR Series radiant tube heater can be

installed in configurations as illustrated in

FIG: 2 (below) with a maximum of two 90o

or one 180oelbow per heater. The use of

radiant elbows reduces the total maximum

vent allowable. See SECTION 9 (page 11):

Flue Venting.

Both the 90oand 180oelbows are shipped as

a kit with two end-plate hangers to close off

the reflector ends each side of the elbow (s).

The reflector must be secured with four

screws to each of the end-plate-hangers.

SEE FIG: 3 (PAGE 5) and FIG: 6 (PAGE 6).

FIGURE 2 SYSTEM CONFIGURATIONS

System Configuration

1 Straight line

2 “U” tube with 180-degree elbow kit

3 “L” tube with 90-degree elbow kit

4 Twinned tubes into common TEE flue

vent

Venting Options

A Flue vent through wall 4”

B Flue vent through wall or roof 6”

C Flue vent through roof

D Flue vent into building, exhaust fan

interlocked with heater

E Combustion air intake from outside

through wall

F Combustion air intake from outside

through roof

G Combustion air intake from inside

building

IMPORTANT: On STR 60 and 45 models, a minimum of 10’ of straight

radiant tube must be connected to the burner before any

elbow.

SP-MSTR-AC-11A

STR Manual

RD: NOV, 2003

RL: 11

Page 5

6. SUSPENSION SYSTEM

End plate hangers are provided to support

reflectors and tubes at both ends of heater,

that is at burner and at flue, See FIG:3

(below), FIGURES:4, 5 and 6 (page 6). Wire

hangers are provided to support the reflectors

and tubes along the full length between the

two end-plate hangers. SEE FIGURES 4, 5,

(PAGE 6) and SECTION 7 (page 7).

The STR 45-10 DOES NOT require wire

hangers, as the reflector is supported at

both ends by the end-plate-hangers.

The system configuration and available

support locations must be considered in order

to locate the radiant tubes correctly.

Labour and material can be reduced by

locating (system configuration permitting)

directly under structural members such as

joists, steel or wood beams, etc.

Chain is recommended for hanging the tube

system, connecting the hangers to beam sup-

port as illustrated in FIGURE: 8 (PAGE 7).

To support burner and keep it level, a sepa-

rate suspension chain must be attached to the

eye hook at the flange-end of the burner and

angled slightly back over burner. SEE FIG: 4

(PAGE 6). This will permit normal expansion

and contraction of the tube system (If rigid

devices such as rods are used in place of

chain, then swing joints or other means of

sufficient length must be provided to com-

pensate for expansion).

FIGURE 3 MOUNTING REFLECTOR TO END-PLATE HANGER

1 End-Plate-Hanger Flange

over the Reflector

2 End-Plate-Hanger Flange

under the Reflector

3 Screws securing Reflector

to End-Plate-Hanger

4 Chain Hole for horizontal

suspension

5 Chain Hole for up to 45º

suspension

6 Opening for tube

7 Focus-Shield Reflector

SP-MSTR-AC-11A

STR Manual

RD: NOV, 2003

RL: 11

Page 6

FIGURE 4:/ TYPICAL HANGER AND SUPPORT SPACING RECOMMENDATIONS

5 Sight Glass

6 Aluminized Tube with Flange

7 Tube Couplers

8 Painted Steel Tube (s)

1 End-Plate-Hangers

2 Wire Hangers

3 Burner Assembly

4 Combustion Air Intake

9 Focus-Shield Reflector

10 Flue-Vent terminal

11 Burner Support Chain

12 Hanger Support Chains

13 Reflector Stabilizer

FIGURE 5 HANGER ARRANGEMENTS

FIGURE 6 END-PLATE-HANGER/ELBOW INSTALLATION

1 End Plate Hanger

2 Focus Shield Reflectors

3 End Plate Hanger Flange OVER Reflector

4 End Plate Hanger Flange UNDER Reflector

590

0(shown) or 1800Elbow

6 Tube/Elbow Coupler

7 Point at which Swaged Tube fits into

elbow and Swaged Elbow fits into Tube.

1 Two Wire Hangers per Each

Middle Section

2 Use End-Plate-Hangers at

Burner & Flue Ends (& each

side of any elbow)

3 End-Plate-Hanger Flange

UNDER Reflector

4 End-Plate-Hanger Flange

OVER Reflector

5 Butt Sight Glass Ring to End

Plate Hanger

3" 4"

"ALL TUBES MUST BE SUSPENDED BY TWO (2) HANGERS PER 10' LENGTH,

MOUNTED APPROXIMATELY 6" TO 12" IN FROM EACH TUBE END.

Note Exception: First and last hanger (end plate hangers) must be mounted 4” away from end of tube

ADDITIONAL

TUBE(S)

FIRST

TUBE

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