Rapid Engineering CTHN-100 Installation & operation manual - page 3

TABLE OF CONTENTS

SECTION 1: Heater Safety...................................................... 1

1.1 Manpo

w

er Req

u

irements ............................................. 1

1.2 Safety Labels and Their Placement ............................. 1

1.3 California Proposition 65 .............................................. 1

SECTION 2: Installer Responsibility ..................................... 4

2.1 Wall Tag ....................................................................... 4

2.2 Corrosive Chemicals.................................................... 4

2.3 National Standards and Applicable Codes .................. 4

SECTION 3: Critical Considerations ..................................... 5

3.1 Req

u

ired Clearances to Comb

u

stibles......................... 5

SECTION 4: National Standards and Applicable Codes ..... 9

4.1 Gas Codes................................................................... 9

4.2 Aircraft Hangars ........................................................... 9

4.3 P

u

blic Garages ............................................................ 9

4.4 Electrical ...................................................................... 9

4.5 Venting......................................................................... 9

4.6 High Altit

u

de ................................................................ 9

SECTION 5: Heater Descriptions......................................... 10

5.1 Unitary vs. M

u

ltib

u

rner............................................... 10

SECTION 6: Major Components .......................................... 11

SECTION 7: General Suspension Details ........................... 12

SECTION 8: Unitary Linear & U-Tube Heater Installation.. 14

8.1 Standard Parts........................................................... 14

8.2 Unitary Heater Req

u

irements .................................... 17

8.3 Unitary Linear Heater Layo

u

ts ................................... 18

8.4 Unitary U-t

u

be Heater Layo

u

ts .................................. 21

8.5 B

u

rner T

u

be Installation ............................................ 23

8.6 T

u

be Clamp Package Installation .............................. 23

8.7 Co

u

pling and T

u

be Assembly.................................... 24

8.8 T

u

rb

u

lator Installation ................................................ 25

8.9 Reflector Installation .................................................. 26

8.10 B

u

rner Installation.................................................... 28

8.11 Fan Inlet Plate and Warning Tag ............................. 28

8.12  Restrictor Plate Installation ..................................... 29

8.13 Fan Installation ........................................................ 29

SECTION 9: Multiburner Heater Installation ....................... 30

9.1 Standard Parts........................................................... 30

9.2 M

u

ltib

u

rner System Design Req

u

irements ................ 33

9.3 B

u

rners Per P

u

mp ..................................................... 34

9.4 Radiant T

u

be Length.................................................. 35

9.5 Manifold T

u

be ............................................................ 35

9.6 M

u

ltib

u

rner System Layo

u

ts and Manifold T

u

be 

Length R

u

les ............................................................. 35

9.7 B

u

rner T

u

be Installation ............................................ 40

9.8 T

u

be Clamp Package Installation .............................. 40

9.9 Co

u

pling and T

u

be Assembly.................................... 41

9.10 T

u

rb

u

lator Installation .............................................. 42

9.11 Reflector Installation ................................................ 43

9.12 B

u

rner Installation.................................................... 45

SECTION 10: Optional Heater Accessories ........................ 46

10.1 Elbo

w

 Package Config

u

ration .................................. 46

10.2 Reflector Side Extension.......................................... 48

10.3 Lo

w

er Clearance Shield Installation......................... 49

10.4 T

w

o-Foot Decorative Grille Installation..................... 50

10.5 Protective Grille Installation...................................... 52

SECTION 11: Venting - General............................................ 53

11.1 General Venting Req

u

irements................................. 53

SECTION 12: Venting - Unitary Heater ................................ 54

12.1 Unvented Operation ................................................. 54

12.2 Unvented Operation Termination ............................. 54

12.3 Horizontal Venting.................................................... 54

12.4 Vertical Venting........................................................ 54

12.5 Length Req

u

irements .............................................. 54

12.6 Fl

u

e Connection Detail ............................................ 55

12.7 Horizontal Ventilation 4" (10 cm) Pipe...................... 55

12.8 Vertical Ventilation 4" (10 cm) Pipe.......................... 56

12.9 Common Side Wall Venting ..................................... 56

12.10 Common Vertical Venting  ..................................... 57

SECTION 13: Venting - Multiburner Systems ..................... 58

13.1 General Req

u

irements............................................. 58

13.2 Manifold T

u

be Req

u

irements ................................... 58

13.3 Venting the P

u

mp .................................................... 58

13.4 EP-100 P

u

mp Models .............................................. 59

13.5 EP-200 P

u

mp Series ............................................... 59

13.6 EP-300 P

u

mp Series ............................................... 59

13.7 Installation Preca

u

tions............................................ 59

SECTION 14: Outside Combustion Air Supply .................. 61

14.1 Length Req

u

irements .............................................. 61

14.2 Vertical Non-Press

u

rized O

u

tside Air S

u

pply for 

Single Heater Installation ........................................ 61

14.3 Horizontal Non-Press

u

rized O

u

tside Air S

u

pply for 

Single Heater Installation ........................................ 61

14.4 Vertical Non-Press

u

rized O

u

tside Air S

u

pply for 

Do

u

ble Heater Installation ....................................... 62

14.5 Horizontal Non-Press

u

rized O

u

tside Air S

u

pply for 

Do

u

ble Heater Installation ....................................... 62

14.6 Press

u

rized O

u

tside Air S

u

pply ............................... 63

14.7 O

u

tside Air Blo

w

er Internal Wiring ........................... 63

SECTION 15: Wiring.............................................................. 64

15.1 Internal Wiring.......................................................... 64

15.2 Internal Wiring.......................................................... 64

15.3 Ladder Diagram ....................................................... 65

15.4 External Wiring (Unitary Heaters Only).................... 65

15.5 Line Voltage Thermostat Wiring 

(Unitary Heaters Only) ............................................ 66

15.6 Lo

w

 Voltage Thermostat Wiring 

(Unitary Heaters Only) ............................................ 66

15.7 System Control Methods and External M

u

ltib

u

rner 

Wiring ...................................................................... 67

SECTION 16: Gas Piping...................................................... 70

SECTION 17: Operation and Maintenance.......................... 72

17.1 Checking the Gas Line ............................................. 72

17.2  Unitary Heater Seq

u

ence of Operation ................... 72

17.3 M

u

ltib

u

rner System Operation.................................. 73

17.4 Maintenance............................................................. 75

17.5 Maintenance Checklist ............................................. 75

SECTION 18: Troubleshooting............................................. 77

18.1 Tro

u

bleshooting Flo

w

 Chart - Unitary ...................... 78

18.2 Tro

u

bleshooting Flo

w

 Chart - M

u

ltib

u

rner................ 82

18.3 Manifold Gas Press

u

re Setting ................................ 84

SECTION 19: Replacement Parts List ................................. 85

SECTION 20: General Specifications.................................. 88

20.1 Material Specifications............................................. 88

20.2 Heater Specifications............................................... 88

20.3 S

u

spension Specifications....................................... 88

20.4 Controls Specifications ............................................ 88

SECTION 21: The RAPID™ NP Limited Warranty .............. 91

Printed in U.S.A.

© 2012 

Rapid Engineering LLC

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v

ed. 

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o part of this work co

v

ered 

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y the copyrights herein may 

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e reproduced 

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y any means - graphic, electronic, or mechanical, including 

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