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1701ULSA(EC)--EN, p. 7/30 

Table

 

1b

 

:

 

Gas

 

category

 

&

 

inlet

 

pressures

 

 

country

gas

 

cat

 

G20

inlet

 

pressure

 

(mm)

gas

 

cat

 

G31

inlet

 

pressure

(mm)

Belarus

I2H

20

I3P

37

Bulgaria

I2H

20

I3P

37

China

I2H

20

I3P

37

Czech

 

Republic

I2H

20

I3P

37

Croatia

I2H

20

I3P

37

Cyprus

I2H

20

I3B/P

30

Denmark

I2H

20

I3B/P

30

Estonia

I2H

20

I3B/P

30

Finland

I2H

20

I3B/P

30

Greece

I2H

20

I3P

37

Hungary

I2H

20

I3B/P

50

Iceland

I2H

20

I3P

37

latvia

I2H

20

I3P

37

Lithuania

I2H

20

I3P

37

Montenegro

I2H

20

I3P

37

New

 

Zeeland

I2H

20

I3P

37

Norway

I2H

20

I3B/P

30

Poland

I2E

20

I3B/P

30

Portugal

I2H

20

I3P

37

Romania

I2E

20

I3B/P

30

Russian

 

Federation

I2H

20

I3P

37

Serbia

I2H

20

I3P

37

Slovakia

I2H

20

I3P

37

Slovenia

I2H

20

I3P

37

South

 

Africa

I2H

20

I3P

37

Spain

I2H

20

I3P

37

Sweden

I2H

20

I3B/P

30

Turkey

I2H

20

I3P

37

Ukraine

I2H

20

I3P

37

 

 
 
 
 
 
 
 
 

Summary of Contents for ULSA 025(EC)

Page 1: ...ION COMMISSIONING SERVICING USER INSTRUCTIONS Applies to Belarus Bulgaria China Czech Republic Croatia Cyprus Denmark Estonia Finland Greece Hungary Iceland Latvia Lithuania Montenegro New Zealand Nor...

Page 2: ...onnection Gas supply 17 10 Electrical connections 19 11 Commissioning lighting operation 21 12 Maintenance 23 13 Fault finding 25 14 Spare parts list 27 15 User instructions 27 16 Declaration of confo...

Page 3: ...ledge unless they have been given supervision or instructions concerning use of the appliance by a person responsible for their safety Children should be supervised to ensure that they do not play wit...

Page 4: ...The installation is not in accordance with these instructions Wiring is not in accordance with the diagram furnished with the heater Unit is installed without proper clearance to combustible material...

Page 5: ...rge air along exposed walls with extra units provided to discharge air towards the centre of the area For optimum results heaters are best used in conjunction with recirculating air fans suspended at...

Page 6: ...7 199 231 Protection grade IP Revolutions per minute rpm 950 1260 1340 820 1400 1 2 G 3 4 G See table 1b B22p C12 C32 C42 C52 C62 C82 Max thermal efficiency at max heat input G20 Max thermal efficienc...

Page 7: ...0 I3B P 30 Finland I2H 20 I3B P 30 Greece I2H 20 I3P 37 Hungary I2H 20 I3B P 50 Iceland I2H 20 I3P 37 latvia I2H 20 I3P 37 Lithuania I2H 20 I3P 37 Montenegro I2H 20 I3P 37 New Zeeland I2H 20 I3P 37 No...

Page 8: ...ir inlet D 4 Electrical connections 2 Flue connection D 5 Service panel 3 External gas connection C 6 Condensate drain ULSA ULSA EC A B C D E F I J K L M 025 738 1217 1 2 G 80 82 405 55 449 135 311 12...

Page 9: ...p 9 30 Figure 1b ULSA ULSA EC 100 all dimensions in mm tolerance 3mm 1 Combustion air inlet 100mm 4 Electrical connections 2 Flue connection 100mm 5 Service panel 3 External gas connection 3 4 G 6 Co...

Page 10: ...00 100 100 820 100 500 100 100 100 820 Heaters can be mounted on suitable non combustible supports 5 INTERNAL LAYOUT Figure 3 1 Metal mesh burner 2 Zero pressure regulator 3 Venturi 4 Differential pre...

Page 11: ...suspension All points must be used Threaded nut inserts are provided on each side of the top of the heater See figure 4 After suspension the air heater should be rigid so as to avoid placing a strain...

Page 12: ...cause unsafe conditions and or create condensation The units may be installed as a balanced flue type C heater requiring both a combustion air inlet pipe and a flue pipe or as a power vented heater ty...

Page 13: ...all other relevant regulations rules in force Single wall flue pipe seamless aluminium stainless steel pipes are required All joints must be sealed to prevent products of combustion from leaking into...

Page 14: ...1701ULSA EC EN p 14 30 Figure 7 Type C appliances combustion air and flue pipe sockets Vertical flue kit option 302 Horizontal flue kit option 301...

Page 15: ...lation improved vapour barriers and weather proofing These practices mean that buildings are sealed much tighter than in the past Model ULSA ULSA EC 025 035 050 075 100 Max straight concentric length...

Page 16: ...nt condensation water dripping from the drain pipe If you want to open the siphon e g to clean it the air heater must be shut down For security reasons it is recommended to wear gloves when cleaning t...

Page 17: ...p with coupling must be mounted for servicing see figure 11 It is strongly recommended to place a gas filter and clean the gas tube with nitrogen The whole of the gas service installation including th...

Page 18: ...he venturi Throttle adjustments and CO2 measurements will have to be made in order to obtain the recommended CO2 value For details please see the CO2 Throttle adjustment section 9 3 Attention Always c...

Page 19: ...make connections to the terminals in the electric box as indicated on the wiring diagram Ensure that all cables and installers wiring are appropriately fixed and that they do not touch the flue combus...

Page 20: ...ual on off control 0 or 100 functioning 2 By means of option 952 weekly programming digital chronothermostat GA11 used for remote control of several units consult option 952 instruction for more detai...

Page 21: ...ed during a run cycle an automatic attempt for re ignition will take place If the burner does not relight safety shut down and lockout will occur Manual intervention to reset will be necessary to put...

Page 22: ...ing which the combustion fan operates prior to activation of the ignition device The safety time is the delay between the gas valve being energised and the flame sensor checking for the presence of a...

Page 23: ...ve all the dust from the combustion air fan with a soft cloth or brush 11 Check that the motor and the turbine are undamaged 12 Replace all parts in reverse order Substitution of bulb thermostat LC3 1...

Page 24: ...el see removal of the service panel 4 Disconnect the electrical connections of the air circulation fan These connections are on the electrical connections terminal see the wiring diagram 5 Loosen the...

Page 25: ...e unit is grounded earthed YES Connect ground wire to unit chassis Replace flame sensor Replace control module YES YES In case of a LL net swap the 2 lines NO Check if the igniter sparks Check presenc...

Page 26: ...ameters YES Replace Pressure switch NO Check copper pipe inside the unit is not clogged Replace copper tube Check if the cooling fan works within set parameters NO Replace cooling fan NO Check if the...

Page 27: ...35 100 reset switch 60 61988 2645 all signal lamp 60 61997 all pressostat 30 60621 13 605 all venturi gas valve 03 25700 003 0 0 3 025 venturi gas valve 40cm tube 03 25700 051 0 51 035 venturi gas val...

Page 28: ...ing reset button inside the appliance or the remote control b check if thermal overheat control requires resetting 7 If the thermal overheat control requires resetting and doing so restarts the air he...

Page 29: ...1701ULSA EC EN p 29 30 16 DECLARATION OF CONFORMITY...

Page 30: ...1701ULSA EC EN p 30 30 NORTEK GLOBAL HVAC Belgium nv J M Sabbestraat 130 A000 B 8930 Menen Belgium Tel 32 0 56 52 95 11 www reznor eu...

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