Reznor ULSA 035(EC) User Manual

1701ULSA(EC)--EN, p. 6/30
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3.TECHNICALDATA
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Table1b
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ULSA/ULSA EC 025 035 050 075 100
Gas category Cat.
Comb. air & flue, type B instal (1)
Comb. air & flue, type c instal (1)
Maximum heat input (Hs) kW 28,3 37,0 56,0 78,4 106,3
Maximum heat input (Hi) kW 25,5 33,3 50,4 70,6 95,7
Minimum heat input (Hs) kW 5,7 7,2 11,4 15,9 20,9
Minimum heat input (Hi) kW 5,2 6,5 10,3 14,3 18,9
Maximum heat output kW 25,0 32,7 49,4 69,2 93,8
Minimum heat output kW 5,5 7,0 11,0 15,3 20,2
% 98,30 98,00 98,60 98,60 98,60
% 109,20 108,80 108,70 106,50 108,90
Nat gas G20 (H)vol %8,438,428,448,428,42
Prop G31 vol %9,819,819,819,809,80
Propane restrictor diameter
mm 3,4 6 6 6 6
Nat gas G20 (H)m³/h2,593,395,077,279,76
Prop G31 kg/h 1,99 2,6 3,93 5,51 7,47
Nat gas G20 (H)m³/h0,550,691,091,522,00
Prop G31 kg/h 0,4 0,51 0,8 1,12 1,47
Nat gas G20 (H) mbar
Prop G31 mbar
Air volume (15°C) m³/h 2900 3700 5600 7900 10500
Temperature rise at max load
K2526262626
Horizontal throw (4) m 20 23 30 30 36
Max sound pressure level Lp (5)
dB(A) 44 49
52 47 58
Min sound pressure level Lp (5)
dB(A) 38 34
35 35 40
Noise free field conditions(max)
dB(A) 37 42
45 40 51
Noise free field conditions (min)
dB(A) 31 27
28 28 33
Maximum absorbed power
W 200 300 500 600 1.240
Gas connection (2)
Electrical connection
mm 80 80 80 100 100
Condensation connection/outlet
Condensate quantity
l/h 1,3 1,5 2 2,5 3,5
Recommended mounting heigth (3)
m3 3,5 3,5 4 4
Weight
kg 120 129 147 199 231
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 efficiency at min heat input (G20)
CO
2
gas at max heat input
230/240 V 1N

50Hz
Connection diameter for flue gas and combustion air

32
IP 20
Gas consumption at maximum heat input
Gas consumption at minimum heat input
Inlet pressures
See table 1b
See table 1b
(1)Gas Appliance Classifications for Approved Venting Methods based on CEN-report CR1749:2001
(2)Gasconnectionsizeisnotnecessarilythesupplylinesize.Thereisadifferencebetweenthegasconnectiondiameterandthediameterofthesupplyline.
Alwaysusethemostadequatediaofthesupplylinetominimizethepressuredropthroughthegaspipes–ifnecessaryreducethe
diameterofthesupplylineat
theinletoftheunit.
(3)Heightfromthefloortobottomsurfaceofheater.Thesearerecommendationsonly.Positioning ofunitheatersforproperperformanceisapplication
dependent.Operationisaffectedbyotherairmovingequipmentinthespace,obstructionstotheairflow,draughts
and/orcloseproximitytodoorsor
windows,etc…Careshouldbetakentoavoidmountingtheheatersabovetheserecommendations,unlessdownturnnozzleoptionsareused,assignificant
stratificationmayoccurresultinginpoorfloorcoverageandhigherenergylossesthroughtheroofstructure.
(4)Isothermalconditionsat20°Cambientairtemperature,
dischargelouvrezerodeflection,v=0,5m/s.
(5)SoundpressurelevelindB(A):measuredat5metersfromtheunitwithA=160m²&Q=2

Reznor ULSA 035(EC) Specifications

General

Brand	Reznor
Model	ULSA 035(EC)
Category	Heater
Language	English