Viessmann VITOCAL 300-G Installation And Service Instructions For Contractors page 89

Keyword index
(cont.)
Flow
– DHW cylinder.................................................... 10, 16
– Primary circuit................................................... 10, 16
– Secondary circuit...............................................10, 16
Flow temperature sensor
– Cooling circuit....................................................36, 66
– Heating circuit......................................................... 66
– Heating circuit with mixer........................................ 36
– Primary circuit......................................................... 65
– Secondary circuit...............................................65, 66
– System.............................................................. 36, 66
Front panel removal................................................... 12
Frost stat.................................................................... 46
Function components.................................................26
Function test...............................................................62
Fuse
– F1............................................................................ 69
– F3............................................................................ 69
– Max. power loss...................................................... 69
Fuses
– Checking................................................................. 69
H
Heating circuit pump............................................ 27, 55
Heating performance data..........................................84
Heating water............................................................. 82
Heat pump
– Checking for noise.................................................. 63
– Closing.............................................................. 46, 63
– Levelling.................................................................. 17
– Opening...................................................................48
– Siting................................................................. 10, 12
Heat pump control unit............................................... 19
Heat pump module
– Installation............................................................... 15
– Removing................................................................ 13
– Transporting............................................................ 15
Heat transfer medium.....................................17, 18, 49
High limit safety cut-out........................................31, 65
– Resetting................................................................. 62
High pressure sensor................................................. 65
Hot gas temperature sensor.................................65, 66
Hydraulic connections................................................ 17
Hydraulic connection set............................................ 16
Hydraulic parameters................................................. 71
I
Ice store system......................................................... 58
Immersion heater................................................. 32, 58
Inspection...................................................................48
Installation room......................................................... 11
Instantaneous heating water heater.........26, 57, 65, 82
– High limit safety cut-out, resetting........................... 62
– Power cable............................................................ 19
– Switching module.................................................... 64
Instructing system user.............................................. 63
Intended use................................................................ 7
Internal components...................................................65
Inverter....................................................................... 64
Isolators......................................................................40
K
KM-BUS distributor.................................................... 36
L
Leak test...............................................................46, 63
Liquid gas temperature sensor.............................65, 66
Low pressure sensor..................................................65
Luster terminals....................................................25, 64
M
Main MCB/fuse, switching on.....................................51
Main PCB................................................................... 64
Mains filter, inverter.................................................... 64
Mains isolator................................................. 43, 48, 51
Mains terminals.................................................... 25, 64
Maintenance.........................................................48, 64
Maximum temperature limiter.....................................37
Minimum clearance.................................................... 11
Minimum flow rate...................................................... 18
Minimum room volume............................................... 11
Mixer extension kit......................................... 36, 39, 55
Modbus distributor......................................................36
N
Noise.............................................................. 46, 63, 70
O
Off signal.................................................................... 43
Oil separator...............................................................65
ON/OFF switch...........................................................52
On-site connections................................................... 10
On-site power consumption....................................... 44
Operating noise..........................................................63
Operator's log.............................................................48
Outside temperature sensor.................................36, 66
Overflow valve............................................................18
Overview
– Electrical connections....................................... 25, 64
– Internal components................................................65
– Pumps..................................................................... 65
– Sensors................................................................... 65
– System schemes.....................................................54
– Valves......................................................................65
Keyword index
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