179
Frost stat
■ Connection...............................28, 32
Full wave soft starter........................124
Fuses, checking...............................129
G
Geothermal collector..............48, 53, 59
Geothermal probe..................48, 53, 59
H
Heating/cooling circuit
■ Interface..........................................44
Heating circuit pump......53, 54, 60, 116
Heating water buffer cylin-
der....................................51, 53, 57, 60
■ Interface..........................................44
Heat pump, closing..........................107
Heat pump, draining.........................128
Heat pump siting................................67
High limit safety cut-out
■ For solar thermal system................60
■ For switching off the external heat
source.............................................59
■ For switching off the secondary
pump...............................................59
High pressure sensor.......................128
Hydraulic connections........................69
Hydraulic installation scheme
■ 2-stage heat pump..........................40
■ DHW heating............................33, 36
■ Heat pump cascade........................43
■ Primary circuit, brine/water. 15, 20, 23
■ Primary circuit, water/water 17, 25, 30
■ System scheme 10.........................58
■ System scheme 2...........................47
■ System scheme 6...........................52
Hydraulic module.............................7, 9
Hydraulic parameters.......................160
I
Immersion heater...............................87
Inspection.........................................110
Installation room...................................8
Instantaneous heating water
heater.........................6, 48, 53, 59, 127
■ Parameters...................................120
■ Switching module.....................55, 63
Instructing the system user..............122
Intended use........................................6
Internal components
■ Overview.......................................126
Isolators.............................................98
K
Key to system examples....................14
KM BUS distributor................48, 53, 59
L
Lead appliance...................................41
Levelling the heat pump.....................67
LON communication module..............42
LON module.......................................42
Low pressure sensor........................128
M
Main PCB.............................77, 78, 124
Maintenance....................................123
Maximum temperature limiter............81
Minimum clearances............................9
■ with AC-Box......................................9
Minimum flow rate..............................70
Minimum room volume.........................9
Minimum system pressure...............112
Mixer extension kit.......................60, 82
N
Natural cooling.................45, 48, 57, 60
NC-Box..................................10, 48, 60
Ni500................................................128
Noise................................................129
Non-return valves, opening..............111
O
ON/OFF switch................................113
On-site connections...........................11
Opening the heat pump...................110
Keyword index
Keyword index
(cont.)
5609 667 GB
