5
Operating instructiOns piLZ
®
heating mantLes, issue 2008-06
generaL Operating instructiOns
to check prior to putting the heating mantle into operation:
1. Do your ordering data correspond to the type plate?
2. is the piLZ
®
heating mantle suitable for your application according to the technical specifications (type plate, description)
3. Are there any measures in place to prevent excessive temperatures?
4. Is the PILZ
®
heating mantle safely positioned?
5. Has it been ensured that you can disconnect the PILZ
®
heating mantle from the mains in the event of danger?
6. Has the flask or vessel been cleaned? Incrusted or scaly flasks possess poor thermal conductivity and can cause flask breakage.
important: Make sure to protect the piLZ
®
heating mantle (incl. switch) against moisture and wet conditions.
Heating mantles with metal housings
this heating mantle series is equipped with an On-OFF switch.
WHLG1
1 heating zone
2 power steps
min/max switch 50% / 100%
WHLG2
2 heating zones
2 power steps
min/max switch 50% / 100%
WHLG1/ER
1 heating zone
2 power steps
min/max switch 50% / 100%
power selector 0-100% electronic
WHLG2/ER
2 heating zones
2 power steps
min/max switch 50% / 100%
power selector 0-100% electronic
WHLMG3/ER
3 heating zones
3 steps
zone 1; zone 2; zone 3
power selector 0-100% electronic
WHLSG2/ER
2 heating zones
2 power steps
min/max switch 50% / 100%
power selector 0-100% electronic
WHU/ER
2 heating zones
2 power steps
min/max switch 50% / 100%
power selector 0-100% electronic
Heating mantles with flexible outer jacket
Zone switch and series parallel switch with On-OFF position
WHG1
1 heating zone
2 power steps
zone switch 50% / 100%
WHG2
2 heating zones
3 power steps
series/parallel switch 0 / 50 / 25 / 100%
WHG2R
2 heating zones
3 power steps
series/parallel switch 0 / 50 / 25 / 100%
WHG4R
4 heating zones
4 steps
zone 1, zone 2, zone 3, zone 4
WHG2H
2 heating zones
3 power steps
series/parallel switch 0 / 50 / 25 /100%
Multi-place heating mantles
the devices are equipped with an On-OFF switch.
WHRE4
1 heating zone per heating place
4 heating places
1 power selector per heating place
(OFF) 0-100% electromechanical
WHRE6
1 heating zone per heating place
6 heating places
1 power selector per heating place
(OFF) 0-100% electromechanical
Heating mantle types
WHLG1; WHLG1/ER; WHG1
WHG2; WHG2R; WHG2H
WHLG2; WHLG2/ER; WHLSG2;
WHU/ER
WHLMG3/ER; WHG4R
number of heating zones
1
2
2
3 und
4
Zone switch and min/max
switch
series/parallel switch
min/max switch
step switch
power
0
1/2
1/1
0
1/4
1/2
1/1
0
1/2
1/1
0
1/3
2/3
3/3
0
1/4
2/4
3/4
4/4