Space-Ray NXS 110 Installation And Operation Instructions Manual Download Page 1

Form #43343342 

Jan  2015 

 

 

 

 

 

INSTALLATION AND OPERATION GENERAL INSTRUCTIONS  

 

OWNER / INSTALLER: For your safety this manual must be carefully and thoroughly read and 
understood before installing, operating or servicing this heater.

 

 
 

INFRARED RADIANT TUBE HEATER 

Single and Two Stage Pull Through System (Negative Pressure) 

 

Models: 

 

   NXU SERIES:  (85, 110, 145, 175, 200) – (N5/L5) or (N7/L7) 

 

 

   NXS SERIES:  (50, 85, 110, 145, 175, 200) – (N5/L5) or (N7/L7) 

 

REFER TO PART A (NXU) AND B (NXS) ASSEMBLY INSTRUCTIONS  

!INSTALLER:

 

This  manual  is  the  property  of  the  owner.  Please  present  this  manual  to  the 

owner when you leave the job site.

 

 

▲WARNING:

 

Improper  installation,  adjustment,  alteration,  service,  or  maintenance  can 

cause property damage, injury or death. Read  the installation, operation and maintenance 
instructions thoroughly before installing or servicing this equipment.

 

 

 

   

IF YOU SMELL GAS: 

FOR YOUR SAFETY 

 

DO NOT try to light any appliance. 
DO  NOT  touch  any  electrical  switch;  DO  NOT  use  any 
telephone in your building. 
IMMEDIATELY  call  your  gas  supplier  from  a  neighbor's 
telephone.  Follow  the  gas  supplier's  instructions.  If  you 
cannot reach your gas supplier, call the fire department. 

 

 
 
DO NOT store or use gasoline or other 
flammable vapors and liquids in the vicinity of 
this or any other appliance.

 

 

 

 

!IMPORTANT: SAVE THIS MANUAL FOR FUTURE REFERENCE.

 

 

SPACE-RAY 

Post Office Box 36485 (28236)  •  305 Doggett Street (28203)  •  Charlotte, North Carolina 

Phone  (704) 372-6391  •  Fax  (704) 332-5843  •  www.spaceray.com  •  email:  [email protected] 

 

Summary of Contents for NXS 110

Page 1: ...ration service or maintenance can cause property damage injury or death Read the installation operation and maintenance instructions thoroughly before installing or servicing this equipment IF YOU SME...

Page 2: ...Removal 23 11 0 Air for Combustion 24 11 1 Direct outside air for combustion 24 12 0 Lighting and Shutdown Instructions 26 13 0 Sequence of Operation 26 14 0 Cleaning and Annual Maintenance 27 15 0 T...

Page 3: ...adder or other access equipment Do not hang anything from the heater Supply all installation materials necessary that are not included with the heater Check the nameplate to make sure that the burner...

Page 4: ...n the building to dilute these products of combustion This ventilation may be provided by gravity or mechanical means This heater is not an explosion proof heater Where the possibility of exposure to...

Page 5: ...heater will be subjected to radiant heat and could be seriously damaged Observe the Minimum Clearances to Combustibles listed in the manual and on the heater at all times NOTE 1 The clearances specifi...

Page 6: ...tc provide sufficient lengths or swing joints to compensate for expansion See Figures b and c 5 Heaters subject to vibration must be provided with vibration isolating hangers 6 Heaters must not be sup...

Page 7: ...CSA or U L approved flexible connector supplied with this heater is required for connections between the rigid piping and the heater A union should be installed before the control box inlet An approv...

Page 8: ...mediately upstream of the gas supply connection to the heater OUTLET GAS PRESSURE CHECK AND ADJUSTMENTS WHITE RODGERS GAS VALVES Gauges that measure pressure in pounds per square inch are not accurate...

Page 9: ...below and turn screw clockwise to increase pressure or counterclockwise to decrease pressure Replace regulator cover screw and tighten securely 3 Energize main gas valve solenoid as well as the HI ter...

Page 10: ...viding power to the heater shall be connected to a permanently live electrical circuit one that is not controlled by a light switch 4 The power supply to the unit should be protected with a fused disc...

Page 11: ...s previously described in the attachment of the control box and draft inducer Connect wire leads as shown in the Connection Wiring Diagram The SJO cable should be located and secured to protect it fro...

Page 12: ...ECTIONS MULTIPLE HEATERS PER THERMOSTAT C LOW VOLTAGE 24V THERMOSTAT CONNECTIONS SINGLE HEATER PER THERMOSTAT Order 24V Relay Kit Part No 43274010 for Low Voltage 24V thermostat connection D LOW VOLTA...

Page 13: ...to connect between the draft inducer junction box and the control box See wiring diagram below Secure with 3 8 connectors as previously described in the attachment of the control box and draft inducer...

Page 14: ...STAGE CONTROLS SCHEMATIC WIRING DIAGRAM TWO STAGE CONTROLS THERMOSTAT WIRING DIAGRAMS A LOW VOLTAGE 24V THERMOSTAT CONNECTIONS SINGLE HEATER PER THERMOSTAT B LOW VOLTAGE 24V THERMOSTAT CONNECTIONS MU...

Page 15: ...Form 43343342 14 Jan 2015 C MANUAL SWITCH CONNECTIONS SINGLE HEATER OPERATION PER DUAL MANUAL SWITCH D MANUAL SWITCH CONNECTIONS MULTIPLE HEATERS OPERATION PER DUAL MANUAL SWITCH...

Page 16: ...essure Condensing Horizontal vent greater than 15ft Stainless steel Vent pipe approved to UL Standard 1738 ULC S636 Canada for a category IV condensing appliance With a condensate drain TWO STAGE HEAT...

Page 17: ...e gas into building Aluminum or Teflon tape suitable for 550 F 3M Company tapes 433 or 363 or silicone sealant is recommended 5 Avoid locating elbows in the first 5 of vent pipe whenever possible Limi...

Page 18: ...When venting through a sidewall the horizontal vent pipe pitch downwards not less than 1 4 inch per 10ft from the start of the vent system to the vent terminal The slope applies to the entire length F...

Page 19: ...r during operation 4 The vent pipe through the concentric vent adaptor to the vent terminal must be double wall continuous pipe with no joints failure to do so may result in soot forming in the vent p...

Page 20: ...Form 43343342 Jan 2015 19 The figure below shows the connection details for horizontal concentric venting for U tubes Below are typical arrangements for routing the concetric vent to the side wall...

Page 21: ...be observed Common vent pipe vent connector diameter should be no less than that shown in the following Vent Sizing Table The connector length should be no more than 75 of the vertical portion of ven...

Page 22: ...common vent system for multiple heaters is found inoperative the heater should be disconnected from the vent system and its entrance into the vent system capped Multiple Heater Vertical Venting Arran...

Page 23: ...METER If a size is not available use the next larger size THE ABOVE ILLUSTRATIONS AND TABLE OF VENT SIZES FOR COMMON VENTING OF MULTIPLE HEATERS ARE IN ACCORDANCE WITH THE NATIONAL FUEL GAS CODE ANSI...

Page 24: ...rature will be below 50 F 10 C All two stage heaters installed with horizontal or vertical vent systems The table below shows the maximum volume of water per heater model per hour based on continuous...

Page 25: ...o the heater by a 4 diameter duct see table at the beginning of section 9 0 for maximum lengths This is attached to the 6 diameter starting collar The starting collar is fitted to the top of the contr...

Page 26: ...tion air intake may be ducted individually or common ducted in the same configuration as shown for venting in Section 9 0 For combustion air intake duct sizing please refer to the Vent Sizing Table an...

Page 27: ...not light manually reset the thermostat or shut off power completely for 5 minutes before attempting to relight 6 To permanently shut down the heater turn off the gas and electrical supply NOTE The l...

Page 28: ...ibles Check that clearances are being maintained Make sure there are no flammable objects liquids or vapors near the heater See also Section 4 0 Reflectors Reflectors should be kept clean at a minimum...

Page 29: ...er the heat exchanger tube and the burner must be level Check that the control box is level a turnbuckle field supplied can be used on the burner suspension eyebolt to adjust the level of the burner S...

Page 30: ...Form 43343342 Jan 2015 29 15 0 TROUBLESHOOTING GUIDE SINGLE STAGE N5 L5...

Page 31: ...Form 43343342 30 Jan 2015 TROUBLESHOOTING GUIDE SINGLE STAGE CONTINUED...

Page 32: ...Form 43343342 Jan 2015 31 TROUBLESHOOTING GUIDE SINGLE STAGE CONTINUED...

Page 33: ...Form 43343342 32 Jan 2015 16 0 TROUBLESHOOTING GUIDE TWO STAGE N7 L7...

Page 34: ...Form 43343342 Jan 2015 33 TROUBLESHOOTING GUIDE TWO STAGE CONTINUED...

Page 35: ...Form 43343342 34 Jan 2015 TROUBLESHOOTING GUIDE TWO STAGE CONTINUED...

Page 36: ...Form 43343342 Jan 2015 35 TROUBLESHOOTING GUIDE TWO STAGE CONTINUED...

Page 37: ...rner can be inspected without removing the burner housing from the heat exchanger tube 1 Disconnect electrical supply and open access panel 2 Pull out the ignition cable hooked to spark electrode 3 Re...

Page 38: ...motor is activated 5 Observe air pressure from manometer This should be higher than the set point indicated below for correct operation Model Operating Pressure NXS 50 0 37 W C Hot NXS NXU 85 0 37 W...

Page 39: ...e Fault 3 Flashes Ignition Lockout TO CHECK FLAME SENSOR CIRCUIT Fenwal 35 6087J1 034 module only The flame current is the current that passes through the flame from the sensor to the ground The minim...

Page 40: ...lower Housing Sub Assembly 6 42740000 Motor Plate 7 42742000 Sensing Tube Bracket 8 42744000 Sensing Tube Draft Inducer 9 30347000 Motor Spacer 4 per motor 10 03868010 3 8 Connector 11 30186200 Air Sw...

Page 41: ...abels Item No Part No Description 30 42874000 Label Wire Diagram 1 stage controls 30a 42874040 Label Wire Diagram 2 stage controls 31 42922020 Label Sidewall Venting 32 43269060 Label 24V Thermostat C...

Page 42: ...cket Sub Assembly 18 42888000 Electrode Bracket 19 42893000 Air Inlet Plate Perforated 20 42905000 Access Panel 21 42906100 Cabinet Assembly for offset burner 22 42889000 Orifice Fitting NPT x 9 16 18...

Page 43: ...cal hardware store 2 Please order by PART NUMBER not by Item Number 3 Replacement Part Prices are available when ordering 4 Please refer to complete Model Number when ordering ALL ILLUSTRATIONS ARE IN...

Page 44: ...Form 43343342 Jan 2015 43 19 0 WARNINGS CARD Copies of this card may be ordered at no charge under part no 43344990 for installation near the heater A...

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