BENSON RS Technical Information

Gas room sealed unit heaters 2 stage TECHNICAL INFORMATION ASSEMBLY INSTRUCTIONS, USE AND MAINTENANCE RS/UHA-2

FAULT FINDING If the heater is not working firstly check the following : • Check electrical supply • Check voltage is as stated +15%, -15% • C

Burner lights but locks out after 5 seconds  Live and neutral inverted Poor earth  Check electrical connections  Faulty ionisation probe 

Burner goes out due to the intervention of the SND thermostat and is restarted automatically when the heater has cooled down . Yellow indicati

Burner goes out due to the intervention of the LIMIT thermostat (LM). Yellow light flashing  Excessive heat exchanger temperature.  Check inlet ga

The control panel will not reset . Red light on  Faulty flame control module  Replace the flame control module after first checking the electrica

B22: Single flue option with condensate tee and roof terminal combustion air from inside the room Type 1 – 2 – 3 – 4

MIN 300MAX 10000140132U970410*Ø100ATV ✴ 157 mm type 1 – 2 – 3 165 mm type 4 ITEM DESCRIPTIONA Pipe M

B22: Single flue option with condensate tee and roof terminal combustion air from inside the room Type 5 – 6 – 7 AT410970Ø100ZUMIN 340MAX 10000132

MAX 10000Ø100Ø100HHU175132970235140*MIN 300AØ150LAV C32 Installation showing Vertical co axial flue terminal with condensate drain Type 1 – 2 – 3

MIN 10000115970410MIN 340185UØ100Ø150165ZANØ160 C32 Installation showing Vertical co axial roof terminal with condensate drain Type 5 – 6 – 7

COMPLIANCE NOTICES The Benson RS/UHA2 range of warm air heaters detailed herewith are manufactured for Benson Heating within the parameters of ISO 9

INDEX GENERAL Description of equipment page. Identification “ Description “ Identification “ Description “

Heaters type 1-2-3-4-5 CFAN 1C FAN 2IMTJ6NLF2F1NJ5II°I°SF230V 50HzEFSEJ4J8IGN1PACOMCOMNA NCIONEA1J11J17J2J14VMTAJ16 J13J7RSTRMSEVG1-I°EVG1-II°RST

Heater type 6-7 IGN2EA2EFSEJ4J8IGN1PACOMCOMNA NCIONEA1J11J17J2J14VMTAJ16 J13J7RSTRMSEVG2-I°EVG1-I°EVG2-II°EVG1-II°RSTLLLBLFJ10J9 J12SNDLMTRJ15J

GAS CONVERSION The heaters are supplied ready for use with (G20) Natural Gas as per the table below Conversion kits are available from the manufac

If the gas line has not been correctly purged ignition may not take place at the first attempt resulting in the heater going to lockout Reset the

Assembly of primary air diaphragm: Diagram showing the fitting of a primary air diaphragm to single burner manifold (1-2-3-4-6) Diagram showin

Gas valve head pressure setting high fire Propane G31: When setting the gas pressure for propane high fire (second stage ) contact SF should be cl