4
5
1
General
The Multicalor oil fired warm air heaters have been specifically designed for domestic and light commercial use. They feature
a high quality ferritic stainless steel heat exchanger and efficient direct driven fan.
The heaters are delivered without burner. A high quality burner (preferably with pre-heating) should be installed by the
installer during fitting. Every single fan has been tested for proper functioning before leaving our premises. The label inside
the unit states the proper nozzle and burner working pressure. After the ductwork, burner, electrical connections and flue pipes
have been connected, the unit is ready to be used.
The warm air heaters must only be commissioned by approved installers. Every installation should comply with local rules.
1.1
Normal version
In standard use the apparatus is used to distribute recycled air to which not more than 25% outside air has been added, or to
distribute up to 100% outside air after heat reclaim. The unit is factory supplied in this version.
1.2
Make–up air version
In make-up air version the unit is used to distribute air to which more than 25% outside air is added. However, in the unit no
special regulators are installed to keep the air temperature constant. If you want to use the unit as an outside air unit, we suggest
that you add thermal insulation to the front fan access panel to prevent condensation.
1.3
Upflow and Downflow models
The Multicalor oil units are available in upflow and downflow version. Please state the desired version when ordering. The
units can NOT be converted on site.
2
Technical data
2.1
General
The heaters comply to CE regulations regarding the machine directive 89/393/EEG, the low voltage directive 72/23/EEG and
the EMC directive 89/336/EEG. The units are available in different capacities.
2.2
Air Flow
Type
O24 [DF]
O28 [DF]
O33 [DF]
O41 [DF]
O48 [DF]
Nett output
kW
24.0
28.0
33.0
41.0
48.0
Gross input
kW
26.3
30.7
35.8
44.5
53.3
Nozzle
GPH
0.55–60°–S
0.65–60°–S
0.75–60°–S
1.10–60°–S
1.10–60°–S
Burner pressure
kg
11.0
11.0
11.0
10.0
11.0
Electrical absorbed power
A
3.0
5.0
5.0
7.0
7.0
Electrical supply
V-F-Hz
230–1–50
230–1–50
230–1–50
230–1–50
230–1–50
Oil consumption
kg/h
2.24
2.61
3.08
3.83
4.53
External static pressure in N/m²
Air flow
Speed
Speed
Speed
Speed
m³/h
L
M
H
L
M
H
L
M
H
L
M
H
1 200
138 162 173
1 400
107 143 154
94 253 340 166 297 374
1 600
58 119 136
9 200 303
77 255 345
1 800
90 114
125 260
208 312
2 000
51
87
212
146 273
200
288
359
2 200
56
150
63 230
107
242
330
2 400
23
78
182
181
295
2 600
120
108
255
2 800
54
16
210
3 000
157
3 200
100
3 400
29
3 600
3
Installation
3.1
General
•
We wish to emphasize that only qualified fitters or contractors shall install the air heater.
•
The installation shall be done in accordance with the latest issue of all local standards as well as the installation manual
of the device concerned.
•
Ensure that the conditions of local utility provision (electrical and oil supply) match the device settings before installing
the device or making it operational.
