Viessmann Vitocal 300-G Dismantling Instructions page 34

Keyword index
(cont.)
N
Noise.................................................................... 27, 28
Non-return valves, opening........................................ 26
O
ON/OFF switch...........................................................29
ON indicator............................................................... 29
On-site connections..................................................... 8
Overflow valve............................................................12
P
PCBs
– Controller and sensor PCB..................................... 23
– Cross connect PCB.................................................22
– Expansion PCB....................................................... 21
Permissible operating pressure......................26, 31, 32
Phase asymmetry...................................................... 25
Phase monitor...................................................... 15, 25
Plug-in connection ON/OFF switch............................ 17
Power cable................................................... 14, 18, 24
Power consumption....................................................31
Power cuts................................................................. 24
Power supply..................................................24, 25, 29
– Compressor.............................................................24
– Heat pump control unit............................................ 24
– Regulations............................................................. 24
Power supply unit for safety high pressure switch..... 15
Pressure drop.............................................................31
Pressure load............................................................... 9
Primary circuit............................................................ 31
– Connecting.............................................................. 11
– Filling and venting................................................... 26
Primary lines.............................................................. 12
Product information...................................................... 7
R
Rated heating output..................................................31
Rated voltage
– Compressor.............................................................31
– Heat pump control unit............................................ 31
Recommended power cables.....................................18
Refrigerant................................................................. 31
Refrigerant charge..................................................... 31
Refrigerant circuit....................................................... 31
– Checking................................................................. 25
Refrigerant circuit controller....................................... 15
Refrigerating capacity................................................ 31
34
Removing the top panel............................................. 11
Residual current device (RCD).................................. 24
Room height.................................................................9
Routing cables........................................................... 13
S
Safety assembly.........................................................12
Safety chain............................................................... 25
Safety high pressure switch coupling relay................ 15
Safety valve................................................................12
Seal rings, replacing.............................................26, 27
Secondary circuit
– Connecting.............................................................. 12
– Filling.......................................................................26
– Filling and venting................................................... 26
Siting............................................................................ 8
Specification...............................................................31
Symbols....................................................................... 6
System pressure check..............................................26
T
Technical connection requirements............................24
Temperature sensors................................................. 23
Three-phase monitor..................................................25
Tightness test............................................................. 26
Tilting angle.................................................................. 9
Total weight............................................................ 9, 32
Traces of oil................................................................25
Transformer EEV PCB............................................... 15
Transport...................................................................... 9
Transport brackets..................................................... 10
V
Vapour tightness............................................ 14, 15, 27
– Handheld tester.......................................................15
– Test connector.........................................................16
Vapour tightness test connector................................. 16
VDE regulations......................................................... 24
Venting
– Primary circuit......................................................... 26
– Secondary circuit.....................................................26
W
Wall mounting base....................................................16
Wiring chamber.......................................................... 14