Space-Ray CB20-N5 - Table of Contents

Form 43471000
May 2021 -1-
TABLE OF CONTENTS
SECTION DESCRIPTION PAGE
1.0) Safety ................................................................................................................................................... 2
2.0) Installer Responsibility ...................................................................................................................... 2
3.0) General Information ........................................................................................................................... 2
4.0) Minimum Clearances to Combustibles ........................................................................................... 4
5.0) Specifications...................................................................................................................................... 5
6.0) Packing List ......................................................................................................................................... 5
6.1) Accessory Packages .......................................................................................................................... 6
7.0) Dimensions – CB Series .................................................................................................................... 8
8.0) Heater Assembly Overview ............................................................................................................... 9
9.0) Typical Suspension Methods .......................................................................................................... 10
10.0) Heater Assembly .............................................................................................................................. 11
11.0) Gas Connections and Regulations ................................................................................................. 14
12.0) Instructions for Pressure Test Gauge Connection ....................................................................... 16
13.0) Electrical Connections ..................................................................................................................... 18
13.1) Single Stage (N5/L5) – Internal and Thermostat Connections ................................................ 18
13.2) Two Stage (N7/L7) – Internal and Thermostat Connections .................................................... 21
14.0) Venting ............................................................................................................................................... 25
15.0) Air for Combustion ........................................................................................................................... 30
15.1) Direct Outside Air for Combustion ................................................................................................. 30
16.0) Lighting and Shutdown Instructions .............................................................................................. 32
17.0) Sequence of Operation – Single Stage (N5/L5) .......................................................................... 32
17.1) Sequence of Operation – Two Stage (N7/L7) .............................................................................. 32
18.0) Control Component Location .......................................................................................................... 34
19.0) Cleaning and Annual Maintenance ............................................................................................... 35
20.0) Troubleshooting Guide – Single Stage (N5/L5) .......................................................................... 36
20.1) Troubleshooting Guide – Two Stage (N7/L7) .............................................................................. 39
21.0) Replacing Parts ................................................................................................................................ 43
21.1) Removal of Spark Electrode ........................................................................................................... 43
21.2) Removing Main Burner and Gas Valve ......................................................................................... 44
21.3) Air Switch Pressure Check .............................................................................................................. 44
21.4) Ignition System Checks ................................................................................................................... 45
21.5) Motor and Blower Wheel Check ..................................................................................................... 46
22.0) Installation Data ............................................................................................................................... 46
23.0) Replacement Parts Guide ............................................................................................................... 47
24.0) Warnings Card .................................................................................................................................. 51
This heater complies with ANSI Z83.20 (current standard) and CSA 2.34. Copies of the National Fuel Gas Code (ANSI
Z223.1-latest edition) are available from the CSA at 8501 East Pleasant Valley Road, Cleveland, Ohio 44131 or 55 Scarsdale
Road, Don Mills, Ontario M3B 2R3. All NFPA codes are available from the National Fire Protection Association, Batterymarch
Park, Quincy, Massachusetts 02269.
For installations with mounting heights less than 10 feet, install the
heater at the highest possible height for the best radiant energy
distribution.
This product can expose you to chemicals including ceramic fibers, which
are known to the State of California to cause cancer, and 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.