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FOR YOUR SAFETY
If you smell gas:
1. Open windows.
2. DO NOT try to light any appliance.
3. DO NOT use electrical switches.
4. DO NOT use any telephone in
your building.
5. Extinguish any open flame.
6. Leave the building.
7. Immediately call your local gas
supplier after leaving the building.
Follow the gas supplier's
instructions.
8. If you cannot reach your gas
supplier, call the Fire Department.
WARNING
Fire Hazard
Keep all flammable objects, liquids and
vapors the minimum required clear-
ances to combustibles away from
heater.
Some objects will catch fire or explode
when placed close to heater.
Failure to follow these instructions can
result in death, injury or property
damage.
WARNING
Improper installation, adjustment, alteration, service
or maintenance can result in death, injury or
property damage. Read the Installation, Operation
and Service Manual thoroughly before installing or
servicing this equipment.
Installation must be done by a contractor qualified
in the installation and service of gas-fired heating
equipment or your gas supplier.
©2012 Rapid Engineering LLC
Rapid
Negative Pressure
Unitary or Multiburner
Infrared Heater
Service Manual
Installer
Please take the time to read and understand
these instructions prior to any installation.
Installer must give a copy of this manual to the owner.
Owner
Keep this manual in a safe place in order to provide
your serviceman with necessary information.
Rapid Engineering LLC
1100 Seven Mile Road, NW
Comstock Park, MI 49321
Telephone: +1.616.784.0500
Toll Free: 800.536.3461
Fax: +1.616.784.1910
www.rapidengineering.com
P/N RPNP152101NA Rev C 04/12
NP
™
Installation,
Operation &
CTHN-40
CTHN-60
CTHN-80
CTHN-100
CTHN-125
CTHN-150
CTHN-175
CTHN-200
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Related Manuals for Rapid Engineering CTHN-40
Summary of Contents for Rapid Engineering CTHN-40
- Page 1 Rapid Engineering LLC 1100 Seven Mile Road, NW Comstock Park, MI 49321 Telephone: +1.616.784.0500 Toll Free: 800.536.3461 Fax: +1.616.784.1910 www.rapidengineering.com P/N RPNP152101NA Rev C 04/12 ©2012 Rapid Engineering LLC...
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Page 3: Table Of Contents
All rights reserved. No part of this work covered by the copyrights herein may be reproduced or copied in any form or by any means - graphic, electronic, or mechanical, including photocopying, recording, taping or information storage and retrieval systems - without the written permission of Rapid Engineering LLC. Printed in U.S.A. - Page 5 TABLE OF FIGURES LIST OF TABLES Figure 1: Top and Bottom Panel Label Placement ....2 Table 1: Contents of CTHN Burner Carton ......14 Figure 2: Side and Back Panel Label Placement ...... 3 Table 2: Contents of Core and Extension Packages ....15 Figure 3: Standard Reflector .............
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Page 7: Section 1: Heater Safety
Product safety signs or labels should be replaced by This symbol is used throughout the product user when they are no longer legible. the manual to notify you of Please contact Rapid Engineering LLC or your possible fire, electrical or burn RAPID independent distributor to obtain ™... -
Page 8: Figure 1: Top And Bottom Panel Label Placement
CTHN-S ERIES NSTALLATION PERATION AND ERVICE ANUAL FIGURE 1: Top and Bottom Panel Label Placement Description Part Number Logo Label 91031104 Rating Plate Label 91010406 Gas Connection Label 91018122 Proposition 65 Label 91070015 2 of 91... -
Page 9: Figure 2: Side And Back Panel Label Placement
SECTION 1: H EATER AFETY FIGURE 2: Side and Back Panel Label Placement Control Side Panel Clearances to Combustibles Label Control Side Panel (Inside) Wiring Label Vent Length Label Thermostat Connection Label Back Panel Lighting Instruction Plate Label Description Part Number Clearances to Combustibles Label 91013419 Wiring Label... -
Page 10: Section 2: Installer Responsibility
• To never use heater as a support for a ladder or other access equipment and never hang or Rapid Engineering LLC cannot be responsible for suspend anything from heater. ensuring that all appropriate safety measures are •... -
Page 11: Section 3: Critical Considerations
2. Clearances B, C and D can be reduced by 50% after 25' (7.5 m) of tubing downstream from where the burner and burner tube connect. FIGURE 3: STANDARD REFLECTOR (inches) (centimeters) Model CTHN-40 CTHN-60 CTHN-80 CTHN-100 CTHN-125 CTHN-150 CTHN-175... -
Page 12: Figure 4: One Side Reflector
2. Clearances B, C and D can be reduced by 50% after 25' (7.5 m) of tubing downstream from where the burner and burner tube connect. FIGURE 4: ONE SIDE REFLECTOR (inches) (centimeters) Model CTHN-40 CTHN-60 CTHN-80 CTHN-100 CTHN-125 CTHN-150... -
Page 13: Figure 7: U-Tube, Standard Reflector
2. Clearances B, C and D can be reduced by 50% after 25' (7.5 m) of tubing downstream from where the burner and burner tube connect. FIGURE 7: U-TUBE, STANDARD REFLECTOR (inches) (centimeters) Model - UNAPPROVED - - UNAPPROVED - CTHN-40 CTHN-60 CTHN-80 CTHN-100 CTHN-125 CTHN-150 CTHN-175 CTHN-200 °... -
Page 14: Figure 10: 2-Foot Deco Grille And Protective Grille
2. Clearances B, C and D can be reduced by 50% after 25' (7.5 m) of tubing downstream from where the burner and burner tube connect. FIGURE 10: 2-FOOT DECO GRILLE AND PROTECTIVE GRILLE (inches) (centimeters) Model CTHN-40 CTHN-60 CTHN-80 CTHN-100 CTHN-125 CTHN-150... -
Page 15: Section 4: National Standards And Applicable Codes
SECTION 4: N ATIONAL TANDARDS AND PPLICABLE ODES SECTION 4: NATIONAL STANDARDS AND APPLICABLE CODES 4.1 Gas Codes 4.3 Public Garages The type of gas appearing on the nameplate Installation in garages must be in accordance must be the type of gas used. Installation must with the following codes: comply with national and local codes and United States: Refer to Standard for Parking... -
Page 16: Section 5: Heater Descriptions
CTHN-S ERIES NSTALLATION PERATION AND ERVICE ANUAL SECTION 5: HEATER DESCRIPTIONS 5.1 Unitary vs. Multiburner CTHN-Series burners may be used for unitary heaters or for multiburner systems. Unitary heaters consist of a single burner, a single run of radiant tubing and a single fan assembly. See Page 18, Figure 15 or See Page 21, Figure 18 for details. -
Page 17: Section 6: Major Components
Turbulator Tube Gasket Turbulator must be installed in the last standard section Must be installed of tube.Turbulator is only required on the CTHN-40, 60 with the flame and 80. For installation, see Page 25, Step 8.8. observation window facing down. -
Page 18: Section 7: General Suspension Details
CTHN-S ERIES NSTALLATION PERATION AND ERVICE ANUAL SECTION 7: GENERAL SUSPENSION DETAILS WARNING Severe Injury Hazard Secure burner to burner tube with bolts and lockwashers. Hang heater with materials with a minimum working load of 75 lbs (33 kg). Failure to follow these instructions can result in death, injury or property damage. -
Page 19: Figure 14: Critical Hanger Placement
SECTION 7: G ENERAL USPENSION ETAILS FIGURE 14: Critical Hanger Placement Run Length Typical Expansion Minimum “X” Length 10' (3 m) - 50' (15 m) ±1" (3 cm) 12" (30 cm) Description Part Number 51' (15.5 m) - 60' (18 m) ±2"... -
Page 20: Section 8: Unitary Linear & U-Tube Heater Installation
8.1 Standard Parts Table 1: Contents of CTHN Burner Carton Part No. Description CTHN-40 CTHN-60 CTHN-80 CTHN-100 CTHN-125 CTHN-150 CTHN-175 CTHN-200 RP52XXXXX Burner (Rate and Fuel Varies) 07730400 Restrictor Plate 1.25'' (3.2 cm) dia. -
Page 21: Table 2: Contents Of Core And Extension Packages
90502700 Vent Adapter (Not used on CTHN) 01318901 Tube Clamp Package Table 3: Component Package Guide Tubing Length Core Packages Model Minimum Standard Aluminized CTHN-40 10' (3 m) CP10ALUM CP10ALUM CTHN-60 20' (6 m) CP20HRS CP20ALUM CTHN-80 20' (6 m) -
Page 22: Table 4: Common Cthn-Series Components
CTHN-S ERIES NSTALLATION PERATION AND ERVICE ANUAL Table 4: Common CTHN-Series Components Part No. Description Part No. Description Control Packages and Thermostats Tubing and Related Accessories 05023000 Load Relay Package 01312700 Coupling, 4" (10 cm) Plain 90417600K Transformer Relay - SPST (12 A) 01312706 Coupling, 6"... -
Page 23: Unitary Heater Requirements
Table 5 summarizes the design requirements for a CTHN unitary heater. Table 5: Unitary Heater Design Requirements Burner Model: CTHN-40 CTHN-60 CTHN-80 CTHN-100 CTHN-125 CTHN-150 CTHN-175 CTHN-200 Maximum Number of Burners Allowed per Fan Assembly (P/N 05220000) -
Page 24: Unitary Linear Heater Layouts
CTHN-S ERIES NSTALLATION PERATION AND ERVICE ANUAL 8.3 Unitary Linear Heater Layouts FIGURE 15: Linear Heater Assembly Overview 18 of 91... -
Page 25: Figure 16: Unitary Linear Layout Overview
SECTION 8: U & U-T NITARY INEAR EATER NSTALLATION FIGURE 16: Unitary Linear Layout Overview LEGEND 19 of 91... -
Page 26: Figure 17: Unitary Linear Layout Overview (Continued)
CTHN-S ERIES NSTALLATION PERATION AND ERVICE ANUAL FIGURE 17: Unitary Linear Layout Overview (Continued) 20 of 91... -
Page 27: Unitary U-Tube Heater Layouts
INEAR EATER NSTALLATION 8.4 Unitary U-tube Heater Layouts CTHN-Series heaters (except CTHN-40) are • A minimum of 10' (3 m) on CTHN-60/80, a approved for optional u-tube configurations. minimum of 15' (4.5 m) on CTHN-100/125, and a minimum of 20' (6 m) on CTHN-150/175/200 is The u-tube may be installed in either a standard required between the burner and the u-tube. -
Page 28: Figure 19: Unitary U-Tube Layout Overview
CTHN-S ERIES NSTALLATION PERATION AND ERVICE ANUAL FIGURE 19: Unitary U-tube Layout Overview LEGEND 22 of 91... -
Page 29: Burner Tube Installation
SECTION 8: U & U-T NITARY INEAR EATER NSTALLATION Step 8.5 Burner Tube Installation NOTE: Description Part Number Burner Tube 03051XXX S-hook 91907302 Tube/Reflector Hanger 03090100 Step 8.6 Tube Clamp Package Installation Description Part Number Tube Clamp Package 01318901 Tube Clamp 01396801 Bolt 97113940... -
Page 30: Coupling And Tube Assembly
CTHN-S ERIES NSTALLATION PERATION AND ERVICE ANUAL Step 8.7 Coupling and Tube Assembly Close coupling Start slide bar/coupling lock with tab. onto coupling. Open Closed Insert tubes into coupling. Tighten coupling to join tubes. Description Part Number Coupling 01329600 Slide Bar/Coupling Lock 01329700 Tube 91409XXX... -
Page 31: Turbulator Installation
2nd 10' (3 m) Section CTHN-100 CTHN-125 CTHN-150 CTHN-175 CTHN-200 Turbulator section (stainless) used in CTHN-40 heaters must be in the section of tube nearest to the burner. Description Part Number Turbulator Adapter 03051503 Turbulator Section 03051504 Turbulator Section (Stainless) -
Page 32: Reflector Installation
CTHN-S ERIES NSTALLATION PERATION AND ERVICE ANUAL Step 8.9 Reflector Installation WARNING Fire Hazard Support reflector with reflector hanger and support strap. Reflector must not touch tube. Failure to follow these instructions can result in death, injury or property damage. NOTE: All radiant tube surfaces must be covered by a reflector, except for a u-tube. - Page 33 SECTION 8: U & U-T NITARY INEAR EATER NSTALLATION Step 8.9.1 Reflector, U-clip and Reflector Support Installation The pictorial drawings of the heater construction in reflector supports and u-clips depend on the Section 8 are schematic only and provide a general individual installation.
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Page 34: Burner Installation
CTHN-S ERIES NSTALLATION PERATION AND ERVICE ANUAL Step 8.10 Burner Installation Burner must be installed with the flame observation window facing down. Description Part Number Bolt 94273914 Burner RP52XXXXX Lock Washer 96411600 Gasket 02568200 Step 8.11 Fan Inlet Plate and Warning Tag Remove the warning tag and inlet collar from fan inlet. -
Page 35: Restrictor Plate Installation
EATER NSTALLATION Step 8.12 Restrictor Plate Installation Attach restrictor plate (see chart below right) to fan inlet and replace inlet collar. Model Fan Assy. P/N Restrictor Plate P/N CTHN-40 05220000 07730400 1.25'' dia CTHN-60 05220000 07730100 1.50'' dia CTHN-80 05220000... -
Page 36: Section 9: Multiburner Heater Installation
9.1 Standard Parts Table 6: Contents of CTHN Burner Carton Part No. Description CTHN-40 CTHN-60 CTHN-80 CTHN-100 CTHN-125 CTHN-150 CTHN-175 CTHN-200 RP52XXXXX Burner (Rate and Fuel Varies) 07730400 Restrictor Plate 1.25'' (3.2 cm) dia. -
Page 37: Table 7: Contents Of Core And Extension Packages
90502700 Vent Adapter (Not used on CTHN) 01318901 Tube Clamp Package Table 8: Component Package Guide Tubing Length Core Packages Model Minimum Standard Aluminized CTHN-40 20' (6 m) CP20HRS CP20ALUM CTHN-60 30' (9 m) CP30HRS CP30ALUM CTHN-80 30' (9 m) -
Page 38: Table 9: Common Cthn-Series Components
CTHN-S ERIES NSTALLATION PERATION AND ERVICE ANUAL Table 9: Common CTHN-Series Components Part No. Description Part No. Description 90436300 Transformer Relay - DPST (12 A) Tubing and Related Accessories 90423000 Thermostat, 24 V Low Voltage (Marked 1-5) 01312700 Coupling, 4" (10 cm) Plain 90424300 Thermostat Guard 01312706... -
Page 39: Multiburner System Design Requirements
SECTION 9: M ULTIBURNER EATER NSTALLATION 9.2 Multiburner System Design Requirements A CTHN multiburner system has a number of radiant are summarized on Page 34, Table 10. tube sections interconnected by manifold tube to a CTHN multiburner heaters are typically shipped as pump to form a complete system. -
Page 40: Burners Per Pump
ERIES NSTALLATION PERATION AND ERVICE ANUAL Table 10: Multiburner Design Requirements Burner Model: CTHN-40 CTHN-60 CTHN-80 CTHN-100 CTHN-125 CTHN-150 CTHN-175 CTHN-200 Radiant Tube Length 20' (6 m) 30' (9 m) 30' (9 m) 40' (12 m) 50' (15 m) 50' (15 m) -
Page 41: Radiant Tube Length
SECTION 9: M ULTIBURNER EATER NSTALLATION 9.4 Radiant Tube Length 9.6 Multiburner System Layouts and Manifold Tube Length Rules The radiant tube length fixed for each burner is shown on Page 34, Table 10. Most CTHN multiburner layouts can be classified as one of the following five layout types: Flag, Modified In-Series, T, Fork or Herringbone. -
Page 42: Figure 21: Flag Layout
CTHN-S ERIES NSTALLATION PERATION AND ERVICE ANUAL FIGURE 21: Flag Layout FIGURE 22: Modified In-Series Layout Multiple rows of burners: Multiple burners: pump placed at the end of the manifold tube. pump placed at the end of the manifold tube. A variation on the flag layout. -
Page 43: Figure 23: T Layout
SECTION 9: M ULTIBURNER EATER NSTALLATION 9.6.2 T and Fork Layouts and Manifold Tube manifold tube length on the table for each burner in the system, this is the maximum manifold tube length Length Rules for the entire system. See Page 37 , Figure 23 through Page 38, Figure 24 To determine the maximum manifold tube allowed for diagrams of T and Fork layouts. -
Page 44: Figure 24: Fork Layout
CTHN-S ERIES NSTALLATION PERATION AND ERVICE ANUAL FIGURE 24: Fork Layout Multiple rows of burners: Manifold tube between the last tee or cross and the pump is perpendicular to the manifold tube joining the rows. Pump is not required to be placed in the center of the system (as shown). -
Page 45: Figure 25: Herringbone Layout
SECTION 9: M ULTIBURNER EATER NSTALLATION 9.6.3 Herringbone Layout and Manifold Tube According to Table 10 each burner must have at least 40' (12 m) of radiant tube, also each burner must Length Rules have between 6' (2 m) and 45' (13.5 m) of manifold The herringbone layout is essentially several T tube. -
Page 46: Burner Tube Installation
CTHN-S ERIES NSTALLATION PERATION AND ERVICE ANUAL Step 9.7 Burner Tube Installation NOTE: Description Part Number Burner Tube 03051XXX S-Hook 91907302 Tube/Reflector Hanger 03090100 Step 9.8 Tube Clamp Package Installation Description Part Number Tube Clamp Package 01318901 Tube Clamp 01396801 Bolt 97113940 Flat Washer... -
Page 47: Coupling And Tube Assembly
SECTION 9: M ULTIBURNER EATER NSTALLATION Step 9.9 Coupling and Tube Assembly Close coupling Start slide bar/coupling lock with tab. onto coupling. Open Closed Insert tubes into coupling. Tighten coupling to join tubes. Description Part Number Coupling 01329600 Slide Bar/Coupling Lock 01329700 Tube 91409XXX... -
Page 48: Turbulator Installation
Total Overall Tube Length Step 9.10 Turbulator Installation Turbulator must be installed in the last standard section of radiant tube. Turbulator is only required on the CTHN-40, CTHN-60 and CTHN-80. Turbulator Installation Model Tube Section CTHN-40 1st 10' (3 m) Section... -
Page 49: Reflector Installation
SECTION 9: M ULTIBURNER EATER NSTALLATION Step 9.11 Reflector Installation WARNING Fire Hazard Support reflector with reflector hanger and support strap. Reflector must not touch tube. Failure to follow these instructions can result in death, injury or property damage. NOTE: All radiant tube surfaces must be covered by a reflector, except for a u-tube. - Page 50 CTHN-S ERIES NSTALLATION PERATION AND ERVICE ANUAL Step 9.11.1 Reflector, U-clip and Reflector Support Installation The pictorial drawings of the heater construction in reflector supports and u-clips depend on the Section 9 are schematic only and provide a general individual installation. Use either pop rivets or sheet guideline of where hangers, reflector supports and metal screws instead of u-clips when installing end u-clips are to be installed.
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Page 51: Burner Installation
SECTION 9: M ULTIBURNER EATER NSTALLATION Step 9.12 Burner Installation Burner must be installed with the flame observation window facing down. Description Part Number Bolt 94273914 Burner RP52XXXXX Lock Washer 96411600 Gasket 02568200 45 of 91... -
Page 52: Section 10: Optional Heater Accessories
10.1 Elbow Package Configuration Step 10.1.1 Elbow Installation Tube Coupling Minimum Distance Required Between Burner and Elbow Minimum Model Distance 90° Elbow CTHN-40 10' (3 m) Description Part Number CTHN-60 10' (3 m) Elbow Package 02718702 CTHN-80 10' (3 m) 90°... - Page 53 SECTION 10: O PTIONAL EATER CCESSORIES Step 10.1.3 Reflector Joint Installation Step 10.1.4 Reflector Joint Installation Step 10.1.5 Reflector Joint Detail 47 of 91...
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Page 54: Reflector Side Extension
CTHN-S ERIES NSTALLATION PERATION AND ERVICE ANUAL FIGURE 26: Reflector Joint Detail Reflector Reflector Joint 10.2 Reflector Side Extension Step 10.2.1 Bracket Installation Description Part Number Reflector Side Extension Package 02712700 Reflector Side Extension 01368000 Retainer Clips 02751200 Sheet Metal Screws 94118106 Order Separately Reflector Side Extension Bracket... -
Page 55: Lower Clearance Shield Installation
SECTION 10: O PTIONAL EATER CCESSORIES Step 10.2.2 Side Reflector Installation 10.3 Lower Clearance Shield Installation Step 10.3.1 Shield Support Strap Assembly Locknuts Washers Description Part Number Lower Clearance Shield Package 01397501 Shield Support Strap 01397500 Lower Clearance Shield 8' (2.4 m) 02793000 Locknut #8 92311400... -
Page 56: Two-Foot Decorative Grille Installation
CTHN-S ERIES NSTALLATION PERATION AND ERVICE ANUAL 10.4 Two-Foot Decorative Grille Installation Step 10.4.1 Grille Installation Description Part Number Aluminum Grille 2' x 4' (.6 m x 1.2 m) 91407000 Step 10.4.2 Frame Shield Installation Description Part Number Deco Grille Shield 01365900 50 of 91... - Page 57 SECTION 10: O PTIONAL EATER CCESSORIES Step 10.4.3 Reflector Side Extension Installation for Decorative Grilles Distance "A" Extension Minimum Maximum Part No. Width 2" (4 cm) 6" (15 cm) 01370408 8" (20 cm) 6" (15 cm) 10" (26 cm) 01370412 12"...
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Page 58: Protective Grille Installation
CTHN-S ERIES NSTALLATION PERATION AND ERVICE ANUAL 10.5 Protective Grille Installation Step 10.5.1 Silicone Cap Installation Description Part Number Grille Section 08050001 Grille End Cap 08050002 Silicone Cap 91915951-6P Step 10.5.2 Grille End Cap Installation Grille Grille End Cap Bend up 90°. Pull outward. -
Page 59: Section 11: Venting - General
SECTION 11: V ENTING ENERAL SECTION 11: VENTING - GENERAL The vent shall not terminate less than 7' (2.1 m) above grade where located adjacent to public WARNING walkways. Vent terminal must be installed at a height sufficient to prevent blockage by snow and building materials protected from degradation by flue gases. -
Page 60: Section 12: Venting - Unitary Heater
CTHN-S ERIES NSTALLATION PERATION AND ERVICE ANUAL SECTION 12: VENTING - UNITARY HEATER All general venting requirements apply. See Page 53, Section 11. 12.3 Horizontal Venting Exhaust end of fan will accept a 4'' (10 cm) vent pipe. In noncombustible walls only, vent terminal To prevent leakage of condensation, seal all the vent (P/N 02537801-1P) may be used. -
Page 61: Flue Connection Detail
SECTION 12: V ENTING NITARY EATER 12.6 Flue Connection Detail 12.7 Horizontal Ventilation 4" (10 cm) Pipe SIDE VIEW Combustible or Non-Combustible Wall Only Non-Combustible Wall 18" (46 cm) Min. 4" (10 cm) Vent Terminal Single Wall Pipe 4" (10 cm) Vent Terminal Single Wall Pipe Description... -
Page 62: Vertical Ventilation 4" (10 Cm) Pipe
CTHN-S ERIES NSTALLATION PERATION AND ERVICE ANUAL 12.8 Vertical Ventilation 4" (10 cm) Pipe SIDE VIEW Description Part Number Vent Cap 4" (10 cm) 90502300 Vent Cap 6" (15 cm) 90502302 12.9 Common Side Wall Venting TOP VIEW Requirements: • Maximum of 2 heaters can be commonly vented through a side wall. -
Page 63: Common Vertical Venting
SECTION 12: V ENTING NITARY EATER 12.10 Common Vertical Venting SIDE VIEW TOP VIEW Requirements: • Maximum of 4 heaters can be commonly vented through the roof. • Heaters must be of the same BTU output. • Heaters must be controlled by a common thermostat. -
Page 64: Section 13: Venting - Multiburner Systems
CTHN-S ERIES NSTALLATION PERATION AND ERVICE ANUAL SECTION 13: VENTING - MULTIBURNER SYSTEMS 13.1 General Requirements 13.2 Manifold Tube Requirements See Page 53, Section 11.1. All general venting Manifold tube is used to connect radiant tubing to the requirements apply. pump. -
Page 65: Pump Models
SECTION 13: V ENTING ULTIBURNER YSTEMS 13.4 EP-100 Pump Models 13.7 Installation Precautions See EP-100 Installation, Operation and Service WARNING Manual (P/N 127201NA) for assembly details. 13.5 EP-200 Pump Series See EP-200 Installation, Operation and Service Manual (P/N 127200NA) for assembly details. Severe Injury Hazard 13.6 EP-300 Pump Series See EP-300 Series Installation, Operation and... -
Page 66: Figure 30: Side Wall Venting Configurations
CTHN-S ERIES NSTALLATION PERATION AND ERVICE ANUAL FIGURE 30: Side Wall Venting Configurations EP-100 or EP-200 Pump Side Wall Venting EP-300 Vacuum Pump Side Wall Venting Description Part Number Description Part Number Bird Screen 4'' (10 cm) 01365400 Vent Terminal, 4'' (10 cm) 02537801-IP Bird Screen, 6'' (15 cm) 01397400... -
Page 67: Section 14: Outside Combustion Air Supply
SECTION 14: O UTSIDE OMBUSTION UPPLY SECTION 14: OUTSIDE COMBUSTION AIR SUPPLY IMPORTANT: If the building has a slight negative The air supply duct may have to be insulated to pressure or corrosive contaminants (such as prevent condensation on the outer surface. The halogenated hydrocarbons) are present in the air, an outside air terminal must not be more than 1' (31 cm) outside combustion air supply to the heater is... -
Page 68: Vertical Non-Pressurized Outside Air Supply For Double Heater Installation
CTHN-S ERIES NSTALLATION PERATION AND ERVICE ANUAL 14.4 Vertical Non-Pressurized Outside Air Supply for Double Heater Installation Description Part Number Vent Cap 6" (15 cm) 90502302 Requirements: • Heaters must be controlled by a common thermostat. 14.5 Horizontal Non-Pressurized Outside Air Supply for Double Heater Installation Description Part Number Vent Cap 6"... -
Page 69: Pressurized Outside Air Supply
SECTION 14: O UTSIDE OMBUSTION UPPLY 14.6 Pressurized Outside Air Supply If used, the outside air supply blower (P/N 90707501K) should be wired in parallel with the pump, and in accordance with the National Electric Code NFPA 70 - latest revision and local ordinances. ®... -
Page 70: Section 15: Wiring
CTHN-S ERIES NSTALLATION PERATION AND ERVICE ANUAL SECTION 15: WIRING 15.1 Internal Wiring Heaters must be grounded in accordance with appli- DANGER cable codes: United States: refer to National Electrical Code ® NFPA 70 - latest revision. Canada: Refer to Canadian Electrical Code, CSA C22.1 Part I - latest revision. -
Page 71: Ladder Diagram
SECTION 15: W IRING 15.3 Ladder Diagram 120V TRANSFORMER PRESSURE SWITCH IGNITION MODULE GAS VALVE 15.4 External Wiring (Unitary Heaters Only) Heaters can be controlled using several methods. Normally thermostats are used to control the heaters, but they can also be controlled by an energy management system. -
Page 72: Line Voltage Thermostat Wiring (Unitary Heaters Only)
ERIES NSTALLATION PERATION AND ERVICE ANUAL 15.5 Line Voltage Thermostat Wiring (Unitary Heaters Only) CTHN-40 to 150 6-12* burners per thermostat CTHN-175 & 200 3-9* burners per thermostat Line Voltage Thermostat *(depending on maximum amp load of thermostat chosen) 120 V-60 Hz... -
Page 73: System Control Methods And External Multiburner Wiring
SECTION 15: W IRING 15.7 System Control Methods and External 15.7.2 SPDT Transformer Relay (P/N 90436300) Multiburner Wiring The transformer relay wiring diagram is shown on Page 69, Figure 33. The transformer relay can be There are several methods of controlling CTHN- used to control an EP-100 or EP-201 pump CTHN Series systems. -
Page 74: Figure 32: One Zone Operation Without Control Panel
CTHN-S ERIES NSTALLATION PERATION AND ERVICE ANUAL FIGURE 32: One Zone Operation without Control Panel (Multiburner) 120 V 1 Ø 60 Hz Ground Description Part Number SPST Transformer Relay 90417600K 68 of 91... -
Page 75: Figure 33: Two Zone Operation Without Control Panel
SECTION 15: W IRING FIGURE 33: Two Zone Operation without Control Panel (Multiburner) Description Part Number DPST Transformer Relay 90436300 69 of 91... -
Page 76: Section 16: Gas Piping
CTHN-S ERIES NSTALLATION PERATION AND ERVICE ANUAL SECTION 16: GAS PIPING Install the gas hose as shown on Page 71, Figure 34. The gas hose accommodates expansion of the heating system and allows for easy installation and service of the burner. Before connecting the burners to the supply system, verify that all high pressure testing of the gas piping has been completed. -
Page 77: Figure 34: Gas Connection With Flexible Gas Hose
SECTION 16: G IPING FIGURE 34: Gas Connection with Flexible Gas Hose CORRECT POSITIONS CAUTION Product Damage Hazard Shut-Off Valve (included with gas hose) must Hold gas nipple securely with pipe wrench be parallel to burner gas inlet. The 3" (8 cm) displacement shown is for the cold condition. -
Page 78: Section 17: Operation And Maintenance
CTHN-S ERIES NSTALLATION PERATION AND ERVICE ANUAL SECTION 17: OPERATION AND MAINTENANCE DANGER WARNING Electrical Shock Hazard Explosion Hazard Burn Hazard Cut/Pinch Hazard Turn off gas supply to Allow heater to cool Wear protective gear Disconnect electric heater before service. before service. -
Page 79: Multiburner System Operation
SECTION 17: O PERATION AND AINTENANCE 17.2.2 To Start Heater - Unitary burner ignites, a blue flame will be observed through the viewer window. Turn gas valve and electric power OFF and wait five minutes for unburned gases to vent from heater. 4. -
Page 80: Figure 35: Vacuum Differential Reading
CTHN-S ERIES NSTALLATION PERATION AND ERVICE ANUAL 9. After lock-out, the control must be reset by installed on the “tees” to prevent leakage). See turning down the thermostat for five seconds, Figure 35 for manometer connection to burner then raising it again to the desired temperature, control housing. -
Page 81: Maintenance
Turn off gas and electric supplies before performing installation and service of equipment sold and service or maintenance. Allow heater to cool before supplied by Rapid Engineering LLC and conform to servicing. all requirements set forth in the RAPID manuals and ™... - Page 82 See Page 4, Section 2.1. Safety Labels Product safety signs or labels should be replaced by the product user when they are no longer legible. Please contact Rapid Engineering LLC or your RAPID independent distributor to obtain replacement signs or labels. See ™...
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Page 83: Section 18: Troubleshooting
SECTION 18: T ROUBLESHOOTING SECTION 18: TROUBLESHOOTING DANGER Electrical Shock Hazard Disconnect electric before service. Heater must be properly grounded. Failure to follow these instructions can result in death or electrical shock. WARNING Fire Hazard Explosion Hazard Burn Hazard Cut/Pinch Hazard Keep all flammable Turn off gas supply to Allow heater to cool... -
Page 84: Troubleshooting Flow Chart - Unitary
CTHN-S ERIES NSTALLATION PERATION AND ERVICE ANUAL 18.1 Troubleshooting Flow Chart - Unitary 78 of 91... - Page 85 SECTION 18: T ROUBLESHOOTING 79 of 91...
- Page 86 CTHN-S ERIES NSTALLATION PERATION AND ERVICE ANUAL Troubleshooting Flow Chart - Unitary (continued) 80 of 91...
- Page 87 SECTION 18: T ROUBLESHOOTING 81 of 91...
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Page 88: Troubleshooting Flow Chart - Multiburner
CTHN-S ERIES NSTALLATION PERATION AND ERVICE ANUAL 18.2 Troubleshooting Flow Chart - Multiburner 82 of 91... - Page 89 SECTION 18: T ROUBLESHOOTING 83 of 91...
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Page 90: Manifold Gas Pressure Setting
CTHN-S ERIES NSTALLATION PERATION AND ERVICE ANUAL 18.3 Manifold Gas Pressure Setting Top View of Heater 84 of 91... -
Page 91: Section 19: Replacement Parts List
SECTION 19: R EPLACEMENT ARTS SECTION 19: REPLACEMENT PARTS LIST DANGER WARNING Electrical Shock Hazard Explosion Hazard Carbon Monoxide Hazard Fire Hazard Use only genuine RAPID™ replacement parts per this installation, operation and service manual. Failure to follow these instructions can result in death, electric shock, injury or property damage. 85 of 91... - Page 92 CTHN-S ERIES NSTALLATION PERATION AND ERVICE ANUAL TOP VIEW SIDE VIEW 86 of 91...
- Page 93 SECTION 19: R EPLACEMENT ARTS Replacement Parts List (continued)* Description Part Number Burner Gas Valve (Natural) 90032500 Gas Valve (LP) 90032502 Burner Cup Assembly 03020100 Mica Window Assembly 02553203 Electrode 90427400 Electrode Gasket 02558501 Ignition Module 90439500K Ignition Wire 90427706 Transformer 90436900K Door Switch...
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Page 94: Section 20: General Specifications
LP Gas: 10.5" wc for CTHN-40, 60, 80, PIPE CONNECTION: 100, 125, 150 4.6" wc Minimum 1/2" NPT (for CTHN-40, 60, 80, 100, 125) for CTHN-175, 200 5.0" wc Minimum 3/4" NPT (for CTHN-150,175 & 200) 14.0" wc Maximum DIMENSIONS: LP Gas: All Models 11.0"... - Page 95 SECTION 20: G ENERAL PECIFICATIONS General Specifications for fans and pumps are as follows: Pump Dimensional Data (in.) Model EP-100 14.5 3.75 EP-201/203 17.75 20.25 3.25 EP-301/303 25.6 24.8 22.7 15.2 dia. Fan and Pump Specifications Model 05220000 05221000 EP-100 EP-201 EP-203 EP-301...
- Page 96 CTHN-S ERIES NSTALLATION PERATION AND ERVICE ANUAL 90 of 91...
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Page 97: Section 21: The Rapid™ Np Limited Warranty
READ YOUR INSTALLATION, OPERATION AND Rapid Engineering LLC will require the part in question to SERVICE MANUAL. be returned to the factory. Rapid Engineering LLC will, at...