background image

VariEco M DC 

Assembly instructions 

138170701_EN_0917 

General 

Application: Drive for roller shutters and textile sun protec-

tion 

Power supply: Direct current (DC) 12 V (e.g. elero energy 

unit) 

Limit switch: Mechanical limit switches 

Special feature: Noiseless soft brake 

Shaft size: From Ø 50 mm 

Standard scope of delivery 

•  3 m plug-in connecting cable, assembly instructions 

Accessories

 (not included in the scope of delivery) 

•  Adapter sets, motor bearing, couplings, setting tool, ener-

gy unit 

Safety instructions 

General safety instructions for use including installation of 

drives for roller shutters, awnings, textile sun protection and 

venetian blinds can be found in the "Safety instructions" leaf-

let supplied with each drive. Please read the general safety 

instructions and this installation manual carefully as the pro-

cedure in this manual is a prerequisite for correct use of the 

product. Any intervention by unqualified personnel or failure to 

comply with warnings may lead to personal injuries or materi-

al damage. 

Figures included are for illustration purposes only. The illus-

trations may differ from your product with respect to minor 

details and are provided for general information only. 

elero

 GmbH continuously strives to improve all products. As a 

result, the specifications, features and technology of this pro-

duct may be changed at any time. The information provided is 

based on current information at the time of publication. 

No claims can be derived from the technical data, images and 

information provided in this manual. 

&$87,21

Installation in profile 

tubes 

Installation in round tubes 

1

4

2

3

Assembly 

• 

Only connect the drive with the power turned off. 

• 

The limit switch only functions if the drive has been installed 

properly in the winding shaft. 

• 

Never adjust the end position to a mechanical stop. 

• 

The length of the winding shaft is to be determined for each 

individual installation depending on the drive head and motor 

bearing used at the installation site. 

Installation in profile tubes

 (see 

Figure

• 

Push the drive with relevant adapter and limit switch crown 

into the profile tube. 

• 

Secure the drive in the motor bearing. 

• 

Secure the counterpart support to prevent axial movement 

(screw on the idler or rivet it on). 

• 

Attach the blind to the winding shaft. 

Do not drill holes in the area of the drive. 

Installation in round tubes 

(see 

Figure

• 

On the round tube, cut a slot in the end of the tube on the 

drive side (width 4 mm, length 16 mm). 

• 

Push the drive into the round tube so that the drive lug of 

the limit switch crown engages in the slot. 

• 

Screw or rivet the adapter onto the winding shaft. 

• 

Secure the counterpart support to prevent axial movement 

(screw on the idler or rivet it on). 

• 

Attach the blind to the winding shaft. 

Do not drill holes in the area of the drive. 

M

red

br

ow

n

w

hi

te

bl

ac

k

energy unit  

12 V DC 

Setting tool for adjustment of the end positions 

NOTE:

 For activation of the limit switch setting screws, use 

the setting tool or a 4 mm hexagon socket tool. Never use an 

electric screwdriver! 

Connection example 
Pin assignment for the power supply or for interlo-

cked venetian blind push button or switch 

Function 

Wire colour 

UP 

▲ or DOWN/CLOSE ▼ 

brown 

+ 12 V (positive terminal) 

white 

DOWN/CLOSE 

▼ or UP ▲ 

red 

- 0 V (negative terminal) 

black 

NOTE:

 

The motor controls in UP/DOWN direction must be interlocked 

with one another. 

A reversing delay of at least 0.5 seconds must be ensured. 

Take account of voltage drops with longer line lengths. 

CAUTION

DC motor 

junction box

momentary  

contact switch /  

switch 

red  

UP  

brown   DOWN  

white  

+ 12 V  

black  

- 0 V 

Reviews: