Instruction/ maintenance manual of the product DAT75 Roberts Gorden
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W ARNING 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. Leave the building. 6. Immediately call your local gas supplier after leaving the building.
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© 2005 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 Roberts-Gordon.
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TABLE OF FIGURES Fi gure 1: C ondense Drain ........... .............. .............. .............. .... 3 Figur e 2: Installation Clearances and Clearances to Com bustib les ....... ........... .............. .............. ........... .... 4 Fi gure 3: Suspension Methods .
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1 P roduct Ap pro v al ROBERTS GORDON ® appliances have been tested and CE certified as complying with the essential requirements of the Gas Appliance Directive, The Low V oltage Directive, The Electromagnetic Compatibility Directive and the Machinery Directive for use on natural gas and L.
D UAL A IR ® H EATING AN D COOLING U NITS I NSTALLATION O PERATION AND S ERVICE M AN UAL 2 SECTION 1: HEATER SAFETY Y our Saf ety is Impor tant t o Us! This s ymbol is used thr oughout the manual t o notify y ou of possib le f ir e, electrical or b ur n hazar ds.
SECTION 3: C RITI CA L C ONSIDERATIONS 3 SECTION 3: CRITICAL CONSI DERATIONS 3.1 Basic Inf or mation The CTUD heat er that f or ms the heating section of the DualA ir ® unit has an aut omatic ignition b urner and ma y be operat ed as fully modulating or ON/OFF operation .
D UAL A IR ® H EATING AN D COOLING U NITS I NSTALLATION O PERATION AND S ERVICE M AN UAL 4 F igur e 2: Installation Clear ances and Clear ances t o Comb ustibles W ARNING Fire Hazard Some objects will catch fire or explode when placed close to heater .
SECTION 4: S PECIF ICATIONS 5 SECTION 4: SPECIFICATIONS 4.1 D A T (all models) 225 Air Intak e Flue Heater Section F an Compartment Electrical Connections (behind door) Filt er Compartment Condense Dr.
D UAL A IR ® H EATING AN D COOLING U NITS I NSTALLATION O PERATION AND S ERVICE M AN UAL 6 4.2 Gener al T echnical Data T able (all models) Electr ical load at 230v 50Hz measur ed by calculating fr om t ota l run current of app liance. * Do not e x ceed the maximum length of f lue stat ed or heat er ma y not operate pr operly .
SECTION 4: S PECIF ICATIONS 7 4.3 T echnical Data T able - He ater Section (a ll models) Appliance C at egor y II 2H/L 3B/P Gas rat es corr ect ed t o standar d conditions 1 0 1 3.25 mbar 1 5°C. * See P age 43, F igure 1 9 f or detailed Combination F an/Limit Ther mostat set tings.
D UAL A IR ® H EATING AN D COOLING U NITS I NSTALLATION O PERATION AND S ERVICE M AN UAL 8 4.4 DualA ir ® P erformance Data - Gr aph of A ir Flo ws v Static P res sure 4.4.1 D A T75 and 90 (2.2 kW or 4 kW mot or) 4.4.2 D A T1 0 0 and 1 1 5 (4 kW motor) 350 300 250 200 150 100 50 0 2.
SECTION 5: H EATER I NSTALLATION 9 SECTION 5: HEATER INSTALLATION 5.1 Gener al DualA ir ® units are designed f or inst allation abo v e 2.5 m. When conne cted t o duct delivery sy stems an y suitab le location w ill be accept ab le. F or f loor mounting , the D ualA ir ® unit may stand directly on its base .
D UAL A IR ® H EATING AN D COOLING U NITS I NSTALLATION O PERATION AND S ERVICE M AN UAL 10 SECTION 6: FLUE INSTALLATION 6.1 Flue Installati on The flue m ust t erminate outside of th e building . Flues and air intak es m ust be fully sealed and correctly siz ed f or the model.
SECTION 6: F LUE I NSTALLATION 11 5. Ref it the air intak e spigot t o the fle xible hose r e- using the hose clamp and t o the upper panel using the or iginal scr e ws. 6. Align the flues ’ inner and out er spigots and at tach through the holes in the upper panel r e- using the or iginal scr e ws.
D UAL A IR ® H EATING AN D COOLING U NITS I NSTALLATION O PERATION AND S ERVICE M AN UAL 12 F igur e 7: V er tical and Horiz ontal Flue T ermination - T ype B 22 Appliance F igur e 8: V er tical and .
SECTION 7: A IR S UPPLY 13 SECTION 7: AIR SUPPLY 7 .1 Room Sealed Installation When installed as a r oom sealed he ater the a ir f or combustion is dra wn in fr om outside the b uilding . It is impor tant to ensur e that ther e is adequat e v entilation t o pr ov ide air f or the distr ib ution f an/s.
D UAL A IR ® H EATING AN D COOLING U NITS I NSTALLATION O PERATION AND S ERVICE M AN UAL 14 SECTION 8: OPTIONAL HEATER CONF IGUR ATIONS 8.1 Distr ibutio n Duct DualA ir ® units are designed t o be connect ed to distrib ution and air inlet ducting.
SECTION 9: G AS P IPING 15 SECTION 9: GAS PIPING It is impor tant that the g as supply pipe and the electrical connections do not supp or t any of the heat er’ s weigh t.
D UAL A IR ® H EATING AN D COOLING U NITS I NSTALLATION O PERATION AND S ERVICE M AN UAL 16 SECTION 1 0: WIR ING AND ELECTRICAL INF ORMATION 1 0.1 Electrical Supply All heater models need a const ant 400 V 50 Hz 3 ø supply connected t o t erminals L 1 ,L 2 , L 3 , N & Ear t h.
SECTION 1 0: W IR ING AND E LECT RICAL I NFOR MATION 17 1 0.3 D A T Main Circuit Boar d T erminal Identif ication Te r m i n a l Number Use R ela y/F unction Oper ation 1 Input or Outp ut Exte rnal F .
D UAL A IR ® H EATING AN D COOLING U NITS I NSTALLATION O PERATION AND S ERVICE M AN UAL 18 1 0.4 D A T Wir ing Diagr am Models 75-1 1 5 S 4563 C Honeywell L N E COMBUSTION F AN PRESSURE SWITCH BLUE .
SECTION 1 0: W IR ING AND E LECT RICAL I NFOR MATION 19 1 0.5 D A T Wir ing Diagr am Models 75-1 1 5 7 R1 230 V motor fan main R1/1 Condensor control circuit limit devices 9 Aux contact A2 overload &a.
D UAL A IR ® H EATING AN D COOLING U NITS I NSTALLATION O PERATION AND S ERVICE M AN UAL 20 1 0.6 D A T Site Connections at Main Cir cuit Boar d 9 10 1 L1 N L3 L2 3 2 4 5 7 8 11 12 13 14 15 16 17 18 .
SECTION 1 1: C OMMISSIONING 21 SECTION 1 1 : COMMISSIONING Gas F ire d Heater Installation, service, commissioning and ann ual inspection of the heat er m ust be done b y a contract or qualif ied in the inst allation and ser vice of gas-f ired heating equipment.
D UAL A IR ® H EATING AN D COOLING U NITS I NSTALLATION O PERATION AND S ERVICE M AN UAL 22 F igur e 1 2: A ut omatic Burner Control Bo x Sequence F igur e 1 3: Modureg Gas V alve Burner sequence for.
SECTION 1 1: C OMMISSIONING 23 1 1 .4.2 Commissioning the Gas V alv es All DualA ir ® units ar e f it ted with fully modulating burner operation. The Hon eyw ell aut omatic g as v alv es are f itt ed w ith the Hone ywell Modur eg modulating re gulat or .
D UAL A IR ® H EATING AN D COOLING U NITS I NSTALLATION O PERATION AND S ERVICE M AN UAL 24 P ressur e S w itch The pr essur e s witch is f actor y pre -set f or each model and is not adjustab le . 1 1 .6 T urning Of f the DualAir ® Unit Set the e xt ernal controls t o the of f position and the main burner will stop .
SECTION 1 2: U SER I NSTRUCTIONS 25 SECTION 1 2: USER INSTRUCTIONS 1 2.1 User Instr uctions The Du alAir ® units a re fully automatic an d operat e from the e xternal controls f itt ed on sit e. The only user controls at th e heater a re the: Burner lockout reset b utt on .
D UAL A IR ® H EATING AN D COOLING U NITS I NSTALLATION O PERATION AND S ERVICE M AN UAL 26 1 2.3.3 Bur ner Lock out R eset But t on The red warning light will illuminat e when the contr ol has gone t o loc k out. This ma y be caused by f lame f ailur e.
SECTION 1 3: S ERVICING 27 SECTION 1 3: SERVICING 1 3.1 Servicing Instructions Af t er commissioning , the D ualA ir ® unit w ill requir e mainten ance t o be carr ied out annually . If the DualA ir ® unit is used in a dir t y or dust y area, mor e frequ ent maint enance ma y be necessar y .
D UAL A IR ® H EATING AN D COOLING U NITS I NSTALLATION O PERATION AND S ERVICE M AN UAL 28 1 3.5 Gas Contr ol V alve Maintenance (al l models) No regu lar maint enance is r equir ed on these de vices . T o change g as contr ol v al v es, See P age 35, Step 1 6.
SECTION 1 4: C ON V ERSION B ETW EEN G ASES 29 SECTION 1 4: CON VERSION BETW E EN GASES 1 4.1 Gener al Con ver sion bet ween g asses wi ll requir e a change of burner injector s and the gas v al v e r e-commissioning to th e new con ditions.
D UAL A IR ® H EATING AN D COOLING U NITS I NSTALLATION O PERATION AND S ERVICE M AN UAL 30 SECTION 1 5: T R OUBLESHOOTING 1 5.1 Gener al W ARNING Explosion Hazard Installation must be done by a registered installer / contractor qualified in the installation and service of gas - fired heating equipment or your gas supplier.
SECTION 1 5: T ROUBLESHOOTING 31 1 5.2 T r oubleshooting F or Aut omatic Ignition Burner S y stems If problems persist, contact ROBERTS GORDON ® at T el: +44 (0) 1902 498733 or www .rg-inc.com Heater Operating TROUBLESHOO T ENDS. No T race fault in supervision system.
D UAL A IR ® H EATING AN D COOLING U NITS I NSTALLATION O PERATION AND S ERVICE M AN UAL 32 1 5.3 T r oubleshooting f or Flame Supervision Sy st em Repair or replace as necessary . If problems persist, contact ROBERTS GORDON ® at T el: +44 (0) 1902 498733 www .
SECTION 1 5: T ROUBLESHOOTING 33 1 5.4 T r oubleshooting f or Solenoid V alves 1 5.5 T r oubleshooting f or Main Fan V alve faulty . Replace with one of correct type. Fault elsewhere Fault elsewhere If problems persist, contact ROBERTS GORDON ® at T el: +44 (0) 1902 498733 or www .
D UAL A IR ® H EATING AN D COOLING U NITS I NSTALLATION O PERATION AND S ERVICE M AN UAL 34 1 5.6 T r oubleshooting f or Fan Contactor Replace combination thermostat. Wiring faulty or faulty combination thermostat. Investigate . If problems persist, contact ROBERTS GORDON ® at T el: +44 (0) 1902 498733 or www .
SECTION 1 6: R EMO VAL AND R EPLACEMENT P ARTS 35 SECTION 1 6: R EMO V AL AND REPLACEMENT P AR TS See warnings and not es on P age 27 , Section 1 3 bef or e r emoving or r eplacing par ts. Burner Componen ts All ser viceable b ur ner par ts are accessed by the door on the side of the heat er .
D UAL A IR ® H EATING AN D COOLING U NITS I NSTALLATION O PERATION AND S ERVICE M AN UAL 36 1 6.2 Bur ner Compartment 1 6.2.1 Bur ner Inject or s Remove flexible air duct from spigot Remove access pl.
SECTION 1 6: R EMO VAL AND R EPLACEMENT P ARTS 37 1 6.3 Ignition Electr ode and Flame P robe. Flame Probe Ignition Electrode Remove Screw Ignition Electrode Burners Flame Probe Burners Burner Compartment Front Views Remove all burner compartment screws to remove the burner compartment and access the Front View.
D UAL A IR ® H EATING AN D COOLING U NITS I NSTALLATION O PERATION AND S ERVICE M AN UAL 38 1 6.4 Flue F an IT IS IMPOR T ANT THA T ONL Y THE CORRECT FLUE F AN SPECIFIED FOR EA CH MODEL TYPE IS USED WHEN REPLA CING THESE ITEMS. C arr y out a commission af ter working on or changing a fl ue f an.
SECTION 1 6: R EMO VAL AND R EPLACEMENT P ARTS 39 1 6.5 Heater P ressure S witch P ull of f 3 wa y connector . Spring open plastic clips of mounting cradle . R eplace w ith corr ect t ype of pressur e sw itch f or mod el. The pr essure s witches are colo ur coded f or each pr essur e set ting.
D UAL A IR ® H EATING AN D COOLING U NITS I NSTALLATION O PERATION AND S ERVICE M AN UAL 40 1 6.6 Cooling Coil Saf ety De vices 1 6.6.1 Cooling Coil F rost Thermostat The sensing element f or this de vice is inserted int o the poc ke t of the cooling coil situat ed thr ough the access hole in the coil cov er .
SECTION 1 6: R EMO VAL AND R EPLACEMENT P ARTS 41 1 6.7 Ignition Contr o l IT IS IMPOR T ANT THA T ONL Y THE CORRECT IGNITION CONTROL SPECIFIED FOR EA CH MODEL TYPE IS USED WHEN REPLA CING THESE ITEMS. 1 6.7 .1 S4563C Models 75 to 1 1 5 This contr ol is mount ed at the electr ical mounting plate .
D UAL A IR ® H EATING AN D COOLING U NITS I NSTALLATION O PERATION AND S ERVICE M AN UAL 42 1 6.8.1 F an R emo va l and Replace ment 1 . R emov e mot or lea ving the pulle y in place . See P age 41, Section 1 6.8 . 2. Remo v e scr ews secu ri ng the f an outlet f lange to the f an panel.
SECTION 1 6: R EMO VAL AND R EPLACEMENT P ARTS 43 F igur e 1 9: Combination F an/Limit Ther mostat Dial Set P oin t 3 Limit T emp. Set P oint 1 F a n Of f Set P oint 2 F a n On Fa n T e r m i n a l s .
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www .rg-inc.com P rinted in the U.S .A. At tach this inf ormation t o the wall near the R OBER TS GORDON ® heater Installation Code and Ann ual Inspections: All inst allations of ROBERTS GORDON ® pr.
An important point after buying a device Roberts Gorden DAT75 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Roberts Gorden DAT75 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Roberts Gorden DAT75 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Roberts Gorden DAT75 you will learn all the available features of the product, as well as information on its operation. The information that you get Roberts Gorden DAT75 will certainly help you make a decision on the purchase.
If you already are a holder of Roberts Gorden DAT75, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Roberts Gorden DAT75.
However, one of the most important roles played by the user manual is to help in solving problems with Roberts Gorden DAT75. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Roberts Gorden DAT75 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
