Page 3 - AVERTISSEMENT; POUR VOTRE SECURITE; Si vous sentez une odeur de gaz:; Risque d’incendie; ATTENTION; Combat; Aérothermes tubulaire
Manuel d’installation, d’operation, et de service Modèles UHA[X][S] 150, 175, 200, 225250, 300, 350, 400 P/N 111101FC 09/12 Orig. AVERTISSEMENT POUR VOTRE SECURITE Si vous sentez une odeur de gaz: 1. Ouvrez les fenêtres.2. N’essayez PAS d’allumer un appareil.3. N’utilisez PAS d’interrupteurs électri...
Page 5 - TABLE OF CONTENTS; SECTION
© 2012 Ro b erts-Gordon LLC All rights reser v ed. N o part of this work co v ered b y the copyrights herein may b e reproduced or copied in any form or b y any means - graphic, electronic, or mechanical, including photocopying, recording, taping or information storage and retrie v al systems - with...
Page 7 - TABLE OF FIGURES
TABLE OF FIGURES Fig u re 1: UHA[X][S]150 - 175 Label Placement ........................ 2 Fig u re 2: UHA[X][S]200 - 250 Label Placement ....................... 3 Fig u re 3: UHA[X][S]300 - 400 Label Placement ....................... 4 Fig u re 4: Installation Clearances and Clearances to Comb u st...
Page 9 - SECTION 1: HEATER SAFETY; Figure 1; California Proposition 65; through Page 4, Figure 3
SECTION 1: H EATER S AFETY 1 of 51 SECTION 1: HEATER SAFETY Yo u r Safety is Important to Us! This symbol is u sed thro u gho u t the man u al to notify yo u of possible fire, electrical or b u rn hazards. Please pay special attention w hen reading and follo w ing the w arnings in these sections.Ins...
Page 10 - UHA S; stion
UHA S TANDARD U NIT H EATER I NSTALLATION O PERATION AND S ERVICE M ANUAL 2 of 51 Fi g ure 1: UHA[X][S]150 - 175 Label Placement *For separated comb u stion u nits only. Description Part Number Logo Label 91040030 C u t Hazard Label 91010430 Vent Length Label 91039505 Vent to O u tdoors Label 910104...
Page 13 - SECTION 2: INSTALLER RESPONSIBILITY; National Standards and Applicable Codes; CAUTION; Product Damage Hazard
SECTION 1: H EATER S AFETY 5 of 51 SECTION 2: INSTALLER RESPONSIBILITY The installer is responsible for the follo w ing: • To install the heater, as w ell as the gas and electrical s u pplies, in accordance w ith applicable specifications and codes. Roberts-Gordon LLC recommends the installer contac...
Page 14 - Figure 5
UHA S TANDARD U NIT H EATER I NSTALLATION O PERATION AND S ERVICE M ANUAL 6 of 51 SECTION 3: CRITICAL CONSIDERATIONS 3.1 Basic Information UHA[X][S] heaters have a u tomatic ignition b u rners for ON/OFF operation only. 3.2 Manufactured Units Gas-fired, po w er-vented u nit heater w ith t u b u lar ...
Page 15 - TO; SECTION 4: CLEARANCES TO COMBUSTIBLES; WARNING; Fire Hazard; Clearances to Combustibles; Installation Clearances
SECTION 4: C LEARANCES TO COMBUSTIBLES 7 of 51 SECTION 4: CLEARANCES TO COMBUSTIBLES 4.1 Re q uired Clearances To Combustibles Clearances are the req u ired distances that comb u stible objects m u st be a w ay from the heater to prevent serio u s fire hazards. Comb u stibles are materials that catc...
Page 16 - SECTION 5: NATIONAL STANDARDS AND APPLICABLE CODES
UHA S TANDARD U NIT H EATER I NSTALLATION O PERATION AND S ERVICE M ANUAL 8 of 51 SECTION 5: NATIONAL STANDARDS AND APPLICABLE CODES 5.1 Gas Codes The type of gas appearing on the name plate m u st be the type of gas u sed. Installation m u st comply w ith national and local codes and req u irements...
Page 17 - h Altitude
SECTION 5: N ATIONAL S TANDARDS AND A PPLICABLE C ODES 9 of 51 5.6 Hi g h Altitude These heaters are approved ( w itho u t modifications) for installations u p to 2000' (610 m) in US and Canada. Heaters installed above 2000' (610 m) m u st be de-rated. For installations above 2000' (610 m) in US, co...
Page 18 - SECTION 6: HEATER INSTALLATION; See Page 10, Figure 5; ure 5: Suspension Methods; Crush Hazard
UHA S TANDARD U NIT H EATER I NSTALLATION O PERATION AND S ERVICE M ANUAL 10 of 51 SECTION 6: HEATER INSTALLATION 6.1 General Heaters are designed for installation above 6' (1.8 m). These heaters m u st be installed w ithin the heated space. D u ct delivery systems are not permitted w ith axial fan ...
Page 19 - and; uirements; See Page 13, Figure 6; Carbon Monoxide Hazard
SECTION 7: V ENTING 11 of 51 SECTION 7: VENTING 7.1 Ventin g This heater m u st be vented in accordance w ith the r u les contained in this man u al and w ith the follo w ing national codes and any state, provincial or local codes w hich may apply: United States: Refer to NFPA 54/ANSI Z223.1 - lates...
Page 20 - Unvented Operation; See Page 15, Figure 8; th Re
UHA S TANDARD U NIT H EATER I NSTALLATION O PERATION AND S ERVICE M ANUAL 12 of 51 7.2.1 Standard Vented Heaters (Models UHA[X] 150 - 400) The vent m u st be fitted w ith a lo w resistance terminal. See Page 13, Figure 6 through Page 14, Figure 7 . Standard vented heaters do not allo w o u tdoor air...
Page 23 - ure
SECTION 7: V ENTING 15 of 51 Fi g ure 8 : Standard Vented Heater - Common Vertical Vent Termination Req u irements: • Maxim u m of fo u r heaters can be commonly vented thro u gh the roof. • Heaters m u st be of the same BTU o u tp u t. • Heaters m u st be controlled by a common thermostat, • Connec...
Page 24 - ure 10: Concentric Vent Box
UHA S TANDARD U NIT H EATER I NSTALLATION O PERATION AND S ERVICE M ANUAL 16 of 51 Fi g ure 9: Separated Combustion Heater - Vertical and Horizontal Vent Termination Fi g ure 10: Concentric Vent Box 12" (31 cm) Minimum from air inlet to v ent termination. V ent Termination Listed Thim b le throu...
Page 26 - Explosion Hazard
UHA S TANDARD U NIT H EATER I NSTALLATION O PERATION AND S ERVICE M ANUAL 18 of 51 SECTION 8 : AIR SUPPLY 8 .1 Separated Combustion Installation When installed as a separated comb u stion heater (UHA[X]S), the air for comb u stion is dra w n in from o u tside the b u ilding. It is important to ens u...
Page 28 - ure 12: Gas Connection; le Gas; Do not bend
UHA S TANDARD U NIT H EATER I NSTALLATION O PERATION AND S ERVICE M ANUAL 20 of 51 Fi g ure 12: Gas Connection Gas Shut-off V al v e Drip Leg Cap Union Connection Option B: Medium or Hea v y Gauge PipeGas Connector Option A: Stainless SteelFlexi b le Gas Connector CAUTION Hold gas nipple securely wi...
Page 29 - Thermostats; See Page 21, Section; e Thermostat with One Heater; DANGER; Electrical Shock Hazard
SECTION 10: W IRING 21 of 51 SECTION 10: WIRING All heater models req u ire constant 120 V / 1Ø / 60 Hz po w er s u pply. Check heater rating plate for electrical rating for proper circ u it sizing. For servicing, a disconnect s w itch of proper electrical rating sho u ld be installed in the vicinit...
Page 32 - Dia
UHA S TANDARD U NIT H EATER I NSTALLATION O PERATION AND S ERVICE M ANUAL 24 of 51 10.5 UHA[X][S] Series Internal Wirin g Dia g ram Bl u e Black Black O r a n ge Yellow B r ow n Black White White L2 L1 Black Black G r ee n White White G r ee n G r ee n Bl u e Black Black Black White G r ee n Bl u e ...
Page 34 - Electrical Connection to the Heater
UHA S TANDARD U NIT H EATER I NSTALLATION O PERATION AND S ERVICE M ANUAL 26 of 51 10.7 Electrical Connection to the Heater Note: J u nction box is not provided w ith heater. Cond u it can also be attached directly to heater w ith w ire j u nction made w ithin the heater cabinet. BX Connector Juncti...
Page 35 - SECTION 11: OPERATION AND MAINTENANCE; See Page 11, Section 7; Burn Hazard; Severe Injury Hazard
SECTION 11: O PERATION AND M AINTENANCE 27 of 51 SECTION 11: OPERATION AND MAINTENANCE Read this man u al caref u lly before installation, operation, or service of this eq u ipment. All components are accessed via hinged door sec u red by tooled access. Opening the door exposes live electrical conne...
Page 36 - the Heater; WN
UHA S TANDARD U NIT H EATER I NSTALLATION O PERATION AND S ERVICE M ANUAL 28 of 51 11.2 Be g in Start-Up 11.2.1 Before Operatin g the Heater To ens u re that all the controls are in safe w orking order, operate the heater for the first time w ith the isolating gas valve t u rned off and po w er s u ...
Page 37 - on; Regulator; TOP VIEW
SECTION 11: O PERATION AND M AINTENANCE 29 of 51 Fi g ure 14: Gas Valve for Models UHA[X][S] 150 - 400 11.2.2 Start-Up the Gas Valve (All Gases) 11.2.2.1 Check Burner Gas Pressure 1. Remove the pl u g in the o u tlet (b u rner) press u re test point and connect a press u re tap and a manometer. 2. W...
Page 39 - LED INDICATION FAULT MODE
SECTION 12: U SER I NSTRUCTIONS 31 of 51 SECTION 12: USER INSTRUCTIONS The UHA[X][S] Series heaters are f u lly a u tomatic and operate from the external controls fitted on site. 12.1 Heater Operation When the heater has been s w itched on by the thermostat installed on site, the main b u rner w ill...
Page 40 - through
UHA S TANDARD U NIT H EATER I NSTALLATION O PERATION AND S ERVICE M ANUAL 32 of 51 SECTION 13: SERVICING 13.1 Servicin g Instructions After start- u p, the heater w ill req u ire maintenance to be carried o u t, at a minim u m, ann u ally. If the heater is u sed in a dirty or d u sty area, more freq...
Page 41 - and Air Intake Pipe; See Page 6, Section 3; Cabinet Exterior
SECTION 13: S ERVICING 33 of 51 13.7 Ventin g and Air Intake Pipe Inspect all venting and air intake pipe. Ens u re that all seams are sealed and s u spension points sec u re. Repair s u spension points if any part of the venting or comb u stion air pipe is sagging. Check to make s u re any ins u la...
Page 42 - See Page 19, Section 9
UHA S TANDARD U NIT H EATER I NSTALLATION O PERATION AND S ERVICE M ANUAL 34 of 51 Heat Exchan g er Make s u re there are no cracks. See Page 19, Section 9 . Make s u re there is no sagging, bending or distortion. Clean or replace as req u ired. Gas Line and Shut-off Valves Check for gas leaks. See ...
Page 43 - SECTION 14: TROUBLESHOOTING
SECTION 14: T ROUBLESHOOTING 35 of 51 SECTION 14: TROUBLESHOOTING Cut/Pinch Hazard Wear protective gear during installation, operation and service. Edges are sharp. WARNING Failure to follow these instructions can result in death, electric shock, injury or property damage. Burn Hazard Allow heater t...
Page 45 - For Automatic I; For yo; Conduct start-up procedure as shown
SECTION 14: T ROUBLESHOOTING 37 of 51 14.2 Troubleshootin g For Automatic I g nition Burner Systems For yo u r safety and optim u m heater performance, u se only replacement parts sold and s u pplied by Roberts-Gordon LLC. Conduct start-up procedure as shown on Page 27, Section 11 .
Page 46 - for Flame Supervision System; START
UHA S TANDARD U NIT H EATER I NSTALLATION O PERATION AND S ERVICE M ANUAL 38 of 51 14.3 Troubleshootin g for Flame Supervision System NOTE: Minim u m flame probe c u rrent 1 μA DC. Typical flame probe c u rrent 3-5 μA DC. Repair or replace as re q uired. If pro b lems persist, contact Ro b erts-Gord...
Page 47 - for Gas Valves
SECTION 14: T ROUBLESHOOTING 39 of 51 14.4 Troubleshootin g for Gas Valves 14.5 Troubleshootin g for Flue Blower V al v e faulty. Replace with one of correct type. Fault elsewhere. Correct pressure pro b lem. If pro b lems persist, contact Ro b erts-Gordon LLC at www.rg-inc.com V al v e Operating TR...
Page 48 - SECTION 15: REPLACEMENT PARTS; on Page; Burner Components; See
UHA S TANDARD U NIT H EATER I NSTALLATION O PERATION AND S ERVICE M ANUAL 40 of 51 SECTION 15: REPLACEMENT PARTS See w arnings and important information on Page 32, Section 13 before removing or replacing parts. Burner Components All serviceable b u rner parts are accessed by the door on the side of...
Page 49 - Burner Compartment; bb
SECTION 15: R EPLACEMENT P ARTS 41 of 51 15.2 Burner Compartment 15.2.1 Burner Injectors Remo v e flexi b le air duct from spigot Remo v e access plate Remo v e screws and pull off b urner compartment co v er V iewing port for flame pro b e V iewing port for ignition electrode Flame Pro b e Burner C...
Page 50 - nition Electrode and Flame Probe
UHA S TANDARD U NIT H EATER I NSTALLATION O PERATION AND S ERVICE M ANUAL 42 of 51 15.3 I g nition Electrode and Flame Probe Description Part Number Qty. Spark Electrode 90427411 1 A u tomatic Ignition Flame Probe 90439300 1 Transformer 90436900K 1 Ignition Mod u le 90434008 1 Inshot B u rners UHA[X...
Page 51 - er
SECTION 15: R EPLACEMENT P ARTS 43 of 51 15.4 Heat Exchan g er The heat exchanger consists of a six-pass design w ith 1.5" o u ter diameter [al u minized steel] [409 stainless steel] t u be. The t u be plates are made of [al u minized steel] [409 stainless steel]. The t u be s u pports are made ...
Page 53 - nition Control; MODEL
SECTION 15: R EPLACEMENT P ARTS 45 of 51 15.7 Pressure Switch P u ll off 3 w ay connector. Spring open plastic clips of mo u nting cradle. Replace w ith correct type of press u re s w itch for model. The press u re s w itches are color coded for each press u re setting. Carry o u t a start- u p afte...
Page 55 - SECTION 16: SPECIFICATIONS
SECTION 16: S PECIFICATIONS 47 of 51 SECTION 16: SPECIFICATIONS 16.1 Dimension Data A B F G H Heater must be supportedat these points from aboveor below. 4 x 3/8" Captive Nuts Provided Electrical Supply Air Intake (UHA[X]S only) Flue C D E Thermostat Connection Gas Supply N M L K J REAR VIEW SID...
Page 56 - General Technical Data Table; *Do not exceed the maxim; Technical Data Table
UHA S TANDARD U NIT H EATER I NSTALLATION O PERATION AND S ERVICE M ANUAL 48 of 51 16.2 General Technical Data Table *Do not exceed the maxim u m length of fl u e stated or heater may not operate properly. 16.3 Technical Data Table Model UHA[X][S] 150 UHA[X][S] 175 UHA[X][S] 200 UHA[X][S] 225 UHA[X]...
Page 57 - SECTION 17: THE ROBERTS GORDON
SECTION 17: T HE ROBERTS GORDON ® COMBAT ® UHA-S ERIES W ARRANTY 49 of 51 SECTION 17: THE ROBERTS GORDON ® COMBAT ® UHA-SERIES WARRANTY ROBERTS-GORDON LLC WILL PAY FOR: Within 24 months from date of p u rchase by b u yer or 27 months from date of shipment by Roberts-Gordon LLC ( w hichever comes fir...
Page 59 - OWNER WARRANTY REGISTRATION CARD; Mail o; W a r m A i r H e a t i n g
® OWNER WARRANTY REGISTRATION CARD About the Owner: Name:__________________________________________________________________________________________________ Add r ess:______________________________________City:_________________________ S tate:__________Zip Code:________ Pho n e:______________________...
