CROSS SECTION

LONGITUDINAL SECTION

COIL – PT/4

for heating dry interiors
identical in dimension to convectors PT, PO but
it has a higher output Q
supplied with thermostatic head as standard

DIMENSIONS

total width: 303 mm
construction height: 125 mm
length: 900 - 3000 mm

USAGE

COIL PT/4 is recommended for individual use in interiors where COIL PT does not efficiently cover the heat requirement. COIL PT/4 can be also combined with COIL KT or MT, which have a significantly higher heat output.

TEMPERATURE EQUATION - HEATING

Q = μ Q_N

(

t_W-t_A 50

)

m = 1,466748	temperature exponent
t_{W, A}	mean water temperature, mean air temperature [°C]
Q_N	nominal heat transfer rate for temperatures t_W/t_A 70/20 °C [W]
μ	μ = 1 (select μ according to the diagram for other than flow nominal values)
Q	heat transfer rate for other [W]

HEAT TRANSFER RATE - Q [W]

length L = 900 mm
	Mean air temperature t_A
Mean water temperature t_W	15 °C	20 °C	22 °C
90 °C	514	464	445
80 °C	416	370	352
70 °C	326	283	267
50 °C	168	134	121

length L = 1000 mm
	Mean air temperature t_A
Mean water temperature t_W	15 °C	20 °C	22 °C
90 °C	599	542	519
80 °C	486	432	411
70 °C	380	331	311
50 °C	196	156	141

length L = 1250 mm
	Mean air temperature t_A
Mean water temperature t_W	15 °C	20 °C	22 °C
90 °C	813	735	704
80 °C	659	586	558
70 °C	516	449	423
50 °C	266	212	192

length L = 1500 mm
	Mean air temperature t_A
Mean water temperature t_W	15 °C	20 °C	22 °C
90 °C	1 027	929	890
80 °C	833	741	705
70 °C	652	567	534
50 °C	336	268	242

length L = 1750 mm
	Mean air temperature t_A
Mean water temperature t_W	15 °C	20 °C	22 °C
90 °C	1 241	1 122	1 075
80 °C	1 006	895	852
70 °C	788	685	645
50 °C	406	324	293

length L = 2000 mm
	Mean air temperature t_A
Mean water temperature t_W	15 °C	20 °C	22 °C
90 °C	1 455	1 315	1 261
80 °C	1 180	1 049	998
70 °C	924	803	756
50 °C	476	380	343

length L = 2500 mm
	Mean air temperature t_A
Mean water temperature t_W	15 °C	20 °C	22 °C
90 °C	1 884	1 702	1 631
80 °C	1 527	1 358	1 292
70 °C	1 195	1 039	979
50 °C	616	491	444

length L = 3000 mm
	Mean air temperature t_A
Mean water temperature t_W	15 °C	20 °C	22 °C
90 °C	2 312	2 089	2 002
80 °C	1 874	1 666	1 586
70 °C	1 467	1 275	1 201
50 °C	756	603	545

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All our listed products meet general requirements according to Statutory Rules no. 190/2002 Sb.