Service manual

COMBAT
®
CTCU UNIT HEATERS INSTALLATION OPERATION AND SERVICE MANUAL
6
4.2 General Technical Data Table (all models)
Electrical load at 230 V 50 Hz measured by calculating from total run current of appliance.
* Do not exceed the maximum length of flue stated or heater may not operate properly.
Reduce the maximum length stated by 1 m for each 90° bend installed.
**If minimum air flow requirements are not met, then temperature limit devices will shut down the heater.
4.3 Technical Data Table (all models)
Appliance Category II
2H/L 3B/P
Gas rates corrected to standard conditions 1013.25 mbar 15° C.
*See Page 7, Figure 2 for detailed Combination Fan?Limit Thermostat settings.
Model CTU-7 CTU-11 CTU-15 C T U - 2 2
Heat Input
Gross CV
kW
(Btu/h) x (1000)
8.5
29
13.4
46
18.3
62
27.5
94
Approximate
Heat Output
kW
(Btu/h) x (1000)
7. 1
24
11.1
38
15.1
52
23
78
Natural Gas (G20) Data - Inlet Pressure 20 mbar (7.8 in WG) Min. 17 mbar (6.8 in WG) Max. 25 mbar (10 in WG)
Burner Pressure mbar 9.5 8.0 8.2 8.7
Gas Rate
m
3
/h
ft
3
/h
0.8
29
1. 3
45
1. 7
62
2.6
93
Natural Gas (G25) Data - Inlet Pressure 25 mbar (10 in WG) Min. 20 mbar (7.8 in WG) Max. 30 mbar (12 in WG)
Burner Pressure mbar 9.0 9.0 9.5 9.2
Gas Rate
m
3
/h
ft
3
/h
0.9
33
1. 5
52
2.0
72
3
108
LPG Gas Propane (G31) Data - Inlet Pressure 37 mbar (14.6 WG) Min. 25 mbar (10 in WG) Max. 45 mbar (18 in WG)
Alternative where permitted 50 mbar (20 in WG) Min. 42.5 bar (17 in WG) Max. 57.5 mbar (23 in WG)
Burner Pressure mbar 19.2 21.9 22.9 21.4
Gas Rate
m
3
/h
kg
3
/h
0.3
0.16
0.5
0.25
0.7
0.34
1
0.51
LPG Gas Butane (G30) Data - Inlet Pressure 29 mbar (11,4 in WG) Min. 20 mbar (7.8 in WG) Max. 35 mbar (13.8 WG)
Burner Pressure mbar 25.6 29.4 29.4 28.6
Gas Rate
m
3
/h
kg
3
/h
0.2
0.09
0.4
0.14
0.5
0.19
0.8
0.29
Uputstvo za instaliranje, puštanje u rad, rukovanje i održavanje
4.2 Tabela opštih tehničkih podataka
4.3 Tabela tehničkih podataka (svi modeli)
Kategorija uređaja II
2H/L 3B/P
Električni priključak od 230V 50Hz
* Ne premašiti maksimalnu dužinu dimovoda koja je naznačena ili može da se desi da grejač ne radi
pravilno.
* Redukovati maksimalnu dužinu dimovoda za 1m za svako koleno od 90
o
*Ako nisu zadovoljeni minimalni uslovi protoka vazduha, granični termostat će ugasiti grejač
Protok gasa korigovan prema standardnim uslovima 1013.25 mbar 15
o
C.