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Rittal
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3105.310
Assembly And Operating Instructions Manual
10 pgs400.79 Kb0
Assembly And Operating Instructions Manual
11 pgs882.14 Kb0
Table of contents
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Rittal 3105 Series, 3105.330, 3105.310, 3105.320, 3105.350 Assembly And Operating Instructions Manual

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3105XXX
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Contents

1 Notes on documentation. . . . . . . 3
1.1 Other applicable documents . . . 3
1.2 CE certification . . . . . . . . . . . . . . 3
1.3 Storing the documents . . . . . . . 3
1.4 Symbols used. . . . . . . . . . . . . . . 3
2 Safety notes . . . . . . . . . . . . . . . . . 3
3 Device description . . . . . . . . . . . . 4
3.1 Functional description. . . . . . . . 4
3.1.1 How it works. . . . . . . . . . . . . . . . . 4
3.1.2 Control . . . . . . . . . . . . . . . . . . . . . 4
3.2 Proper use . . . . . . . . . . . . . . . . . 4
3.3 Scope of supply . . . . . . . . . . . . . 4
4 Mounting . . . . . . . . . . . . . . . . . . . . 5
5 Electrical connection . . . . . . . . . . 5
6 Storage and disposal. . . . . . . . . . 6
7 Warranty . . . . . . . . . . . . . . . . . . . . 6
8 Technical specifications . . . . . . . 6
9 Dimensions. . . . . . . . . . . . . . . . . . 7
2 Rittal enclosure heater assembly instructions

1 Notes on documentation

EN
䡲
1 Notes on documentation
These assembly instructions are aimed at – tradespersons who are familiar with
assembly and installation of the heater
– trained specialists who are familiar with
operation of the heater

1.1 Other applicable documents

Assembly and operating instructions exist as paper documents for the unit types described here and are enclosed with the equipment.
We cannot accept any liability for damage associated with failure to observe these in­structions. Where applicable, the instructions for any accessories used also apply.

1.2 CE certification

The declaration of conformity is supplied with the unit as a separate document.

1.3 Retention of documents

These instructions and all associated documents constitute an integral part of the product. They must be given to the plant operator. The operator is responsible for storage of the documents so they are readily available when needed.

2 Safety notes

– When performing the electrical installation,
it is important to observe all valid national and regional regulations as well as the provisions of the responsible electrical supply company.
– Electrical installation must only be carried
out by a qualified electrician who is responsible for compliance with the
existing standards and regulations. – Use only original spare parts! – The heater must not be touched while
switched on. Risk of burns from hot
surfaces! The heater must be allowed to
cool for approx. 15 minutes after switching
off.
Caution!
Risk of burns from hot surfaces!

1.4 Symbols used

The bullet point indicates an action to be performed.
Danger! Immediate danger to life and limb!
Caution! Potential threat to the product and its environment.
Note:
Useful information and special features.
Rittal enclosure heater assembly instructions 3

3 Device description

EN
Without fan
With fan
1 3
4
2
1 3
4
3 Device description
Depending on the model chosen, your heater may vary in appearance from the illustrations contained in these instructions.
However, the functions are identical in principle.
Fig. 1: Device description
(ey
1 Aluminium section (without fan) or heater
housing (with fan) 2 Protective cover for electrical connection 3 Base plate 4 Fixing points

3.1 Functional description

Heaters are used to prevent the formation of condensation inside the enclosure and maintain a constant minimum operating temperature (e.g. when the system is switched off overnight). Rittal heaters achieve thermal outputs of 8 to 870 watts.

3.1.1 How it works

The heaters are comprised of the following main components:
Heaters without fan
– Aluminium section – PTC heater element
Heaters with fan
– PTC heat register –Fan

3.1.2 Control

A separate thermostat (3110.000) or a digital thermostat (3114.200) must be used to con­trol the enclosure temperature. The humidity of the air in the enclosure can be controlled by incorporating a hygrostat (3118.000).

3.2 Proper use

Rittal heaters were developed and designed in accordance with the state of the art and the recognised rules governing technical safety. Nevertheless, if used improperly, they may pose a threat to life and limb or cause dam­age to property. The heater is designed to heat closed enclosures that are only accessi­ble by trained specialists. The admissible temperature range is -33°C to +65°C. The manufacturer will not be liable for any damag­es caused as a result of improper use, or for incorrect assembly, installation or use. All risk is borne solely by the user.

3.3 Scope of supply

The heater is supplied in one packaging unit.
*KdeH +K Qty DesigJatiKJ
3105.310 – .370 1
3105.380 – .430 1 1 Heater
Tab. 1: Scope of supply
Base plate
1
Aluminium section
1
Cover cap
1
Assembly instructions Assembly parts (see fig. 2)
(pre-assembled) Assembly instructions Assembly parts (see fig. 2)
4 Rittal enclosure heater assembly instructions

5 Electrical connection

EN

4 Mounting

The heater is fitted vertically, i.e. with the con­nection terminal or fan facing downwards. To permit the required convection, a minimum clearance to the adjacent components must be observed. A safety clearance of at least 300 mm must be left at the air outlet in the case of heaters with fans, and 100 mm for heaters without fans. (For both heaters a ther­mal safety clearance to the sides of 60 mm and 100 mm at the bottom is required). If these clearances are observed, the ambient temperature at the air inlet does not rise above 65°C.
There are two different methods of assembling the heater:
1. Snap-type fastening onto a 35 mm support rail DIN EN 50 022 (fig. 2).
2. Screw fastening onto the mounting plate (fig. 3).
It should be ensured that the heater and connection cables are mounted firmly and securely.
Electric cables must not touch the body of the heater fan and must not be routed directly past the hot air outlet. The heater must not be mounted in the vicinity of flammable materials.
5 Electrical connection
The heater must be connected, via the quick­connect terminals, to a power supply of the voltage stated on the rating plate.
The heater must be connected to the mains via an all-pole isolating device in accordance with the overvoltage category III to EN 60 664-1. Only copper wires are to be used for the electrical connection. Due to the special characteristics of the PTC heater element, a current of up to 4.4 A may be reached for a short time when the heater is switched on. Slow-blowing fuse-links (gG) or circuit­breakers with a corresponding delayed-trip characteristic can be used as pre-fuses. The required pre-fuse rating is specified on the rating pate. Overvoltage protection is to be provided where pulse loads exceeding 1,000 V are possible. The double connection terminal permits the cascading of several heaters and thus simplifies wiring. In such cases, it may be necessary to adapt the pre­fuse rating to accommodate the total start-up current. The maximum switching capacity of the devices must nevertheless be observed.
Note:
In justified, exceptional cases, heaters with fan (235 – 870 W) may be installed rotated through 180°. Please note that, in case of mounting on a 35 mm support rail, the mounting clips must also be rotated through 180°.
Rittal enclosure heater assembly instructions 5

6 Storage and disposal

EN
A
A
B
6 Storage and disposal

7 Warranty

This unit is covered by a 1-year guarantee
Caution! Risk of damage!
The heater must not be stored at temperatures above +65°C or below -33°C.
Disposal can be performed at the Rittal plant. Please contact us for advice.
from the date of supply, subject to correct usage. Within this period, the returned unit will be repaired in the factory or replaced free of charge. Unauthorised utilisation or incorrect connec­tion will invalidate the manufacturer’s guarantee. No liability will be assumed for any damage arising from such situations.

8 Technical specifications

Heaters without fan
Model No. 3105.310 3105.320 3105.330 3105.340 3105.350 3105.360 3105.370
W
Dimensions in mm
Hole distance mm 42 60
Rated operating voltage
Continuous thermal output W at T
Ambient temperature -33°C…+65°C
Pre-fuse T 2 A 4 A
Protection category IP 20
Protection class II
We reserve the right to make technical modifications.
= 10°C
u
45
H
120
D
46
110 – 240 V AC, 50/60 Hz, 110 – 240 V DC
8 – 10 18 – 20 23 – 30 49 – 50 63 – 75 86 – 100
45 120 46
64 155 56
64 155 56
64 230 56
90 165 75
90 180 75
130 – 150
Heaters with fan
Model No. 3105.380 3105.390 3105.400 3105.410 3105.420 3105.430
W
Dimensions in mm
Hole distance mm 171
Hole distance mm 153 (fitted rotated through 180°)
Rated operating voltage
Continuous thermal output W at T
Ambient temperature -33°C…+65°C
Pre-fuse gG f 4 A6 A6 A4 A6 A10 A
Protection category IP 20
Protection class II
We reserve the right to make technical modifications.
= 10°C
u
103
H
200
D
103
230 V, 50/60 Hz 115 V, 50/60 Hz
250/265 400/415 800/870 235/250 355/400 710/800
6 Rittal enclosure heater assembly instructions
EN
A
B
3105.310 – 3105.370
1 x 3105.310 – 3105.340 2 x 3105.350 – 3105.370
3105.380 – 3105.430
A A
max. 6 mm
B
9 Dimensions
Fig. 2: Snap-type fastening onto a 35 mm support rail DIN EN 50 022

9 Dimensions

Fig. 3: Screw fastening onto a mounting plate
Rittal enclosure heater assembly instructions 7
Hole distance Hole distance for fitting rotated through 180°
Note:
In case of assembly rotated through 180°, the mounting clips must always point upwards.
9 Dimensions
EN
1
2
3
4
Fig. 4: Removal of the units
8 Rittal enclosure heater assembly instructions
9 Dimensions
EN
d = 5 mm
a
b c
170.9
153 (180°)
149.2
130.2
111.2
17.2
59.8 59.8 59.8
3105.380 – 3105.430
SK II
NL
~
u
SK II
NL
~
u
M
1~
3105.310 – 3105.370 3105.380 – 3105.430
110 – 240 V AC, 50/60 Hz, DC 115/240 V AC, 50/60 Hz
Fig. 5: Wiring plan – Heater Fig. 6: Wiring plan – Heater with fan
F
Fig. 7:
astening onto a mounting plate/Fastening possibilities on support rails
Rittal enclosure heater assembly instructions 9
9 Dimensions
EN
d = 5 mm
a b
a
b
95.5
75.875.8
94.8
114.5
135
75
66.3
108.3
66.3
108.3
75.8
94.8
a b
3105.310/.320
3105.330/.340
3105.350/.360/.370
Fig. 8:Fastening onto a mounting plate/Fastening possibilities on support rails
F
Fig. 9:
astening onto a mounting plate/Fastening possibilities on support rails
Fig. 10:
10 Rittal enclosure heater assembly instructions
F
astening onto a mounting plate/Fastening possibilities on support rails
䡲 Enclosures 䡲 Power Distribution 䡲 Climate Control 䡲 IT Infrastructure 䡲 Software & Services
RITTAL GmbH & Co. KG Postfach 1662 䡠 D-35726 Herborn Phone +49(0)2772 505-0 䡠 Fax +49(0)2772 505-2319 E-mail: info@rittal.de 䡠 www.rittal.com
2nd edition 06/2014 / ID no. 328 308 / Drawing no. A4407400SK73
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