Glow-worm Clearly Hybrid - Compact Hydraulic Module HB - Manual (Page 5)

0020096881_02 - 08/10 - Glow-worm
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INTRODUCTION
2.3 Hydraulic schematic
7
2
4
5
3
1
8
9
10
11
12
13
14
6
A B
D C G F E
Key
1 flow control valve
2 Safety valve
3 3-way valve with shut-off valve for filling
4 3-way valve with shut-off valve for filling
5 Manometer
6 Plate to plate heat exchanger
7 Pump
8 Boiler flow circuit isolating valve
9 boiler return circuit isolating valve
10 Boiler flow circuit non-return valve
11 Heat exchanger output non-return valve
12 Heating flow thermistor
13 Heating return circuit isolating valve
14 Heating flow circuit isolating valve
A Boiler flow circuit
b boiler return circuit
C Heating return circuit
D Heating flow circuit
E Safety valve discharge
f Heat pump return circuit
G Heat pump flow circuit
3 Safety instructions and regulations
3.1 Safety instructions
e Incorrect installation can cause electric shock or
appliance damage.
• Never disable security devices and do not try to adjust them.
• Be sure to consider the following handling techniques and
precautions:
- Grip the appliance at its base
- Use safety clothing where appropriate, e.g. gloves, safety
footwear.
• Ensure safe lifting techniques are used:
- Keep back straight.
- Avoid twisting at the waist.
- Avoid upper body/top heavy bending.
- Always grip using the palm of the hand.
- Use designated hand holds.
- Keep load as close to body as possible.
- Always use assistance if required.
• Under no circumstances must the user interfere with or
adjust sealed parts.
• When assembling the connections, correctly position the
seals to avoid any leakage of water.
• This appliance contains metal parts (components) and care
should be taken when handling and cleaning, with particular
regard to edges.
The basic safety instructions must be followed before
attempting to maintain or replace spare parts:
• Stop the appliance.
• Electrically isolate the appliance from the power supply.
• Hydraulically isolate the appliance using the isolation valves
if provided.
• Should you need to replace hydraulic components, drain the
appliance.
• Protect all the electrical components from water while
working on the appliance.
• Use only original spare parts.
• Use only new O-rings and gaskets.
• After having completed work on water carrying components,
check for their tightness.
• When work on the appliance is completed, perform an
operational test and check for safety.