Mounting Instructions
Heaters and cable connection distribution board
for VHM-EC/ST housing and VHM-Z housing
1. Specifications
Type
VHM/H24W
Art. No.
Input voltage
12VDC / 24VAC
Description
24V resistance
heater on circuit
board for in-
stallation in the
housing series
Enclosed
Power
consumption
2. Safety Instructions
The following instructions are for your own safety and must be followed.
• Before putting the individual components into operation, please read the safety instructions and
the following assembly instructions.
• Keep the assembly instructions safe for use at a later date.
• Screw terminals are only intended for permanent connection to the power supply network.
• When using flexible connecting cables, connector sleeves must be used.
• The earth wire connection must be wired leading, attention should be paid to the correct allocation
of L1 and N.
• When laying the cable make sure that it is not stressed, bent or damaged and that no moisture can
permeate it.
• An easily accessible, all-pole circuit breaker with a minimum contact gap distance of 3mm should
be installed close to the device in order to be able to freely switch the device on and off during
service work. The earth wire must have a low impedance in compliance with DIN VDE 0100.
• The connection work must only be carried out by a qualified electrician in compliance with VBG 4.
VHM-H220
71602
71301
110-265VAC
230V PTC
heater for
installation
in the VHM-EC/
VHM-EC/ST
ST housings
2 screws, 2 separating bolts
flexible and heat-resistant
connection cable
Approx. 6W
Approx. 7W
VHM/KV1
VHM/KVS2
79609
24VAC
Cable connec-
tion
distribution board for VHM-
distribution
board for
VHM-Z series
2x screws, 2x washers
VHM/KV2
79612
79627
230VAC
24VAC
Cable connection
EC/ST series
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