134
E
Economy tariff meter........57, 58, 60, 61
EEV PCB...........................................85
Electrical components........................84
Electrical connection..........................33
– In the heat pump control unit..........34
– Well pump...............10, 11, 14, 15, 19
Electrical connections..................30, 31
– Circulation pumps...........................40
– Controller and sensor PCB.............49
– Expansion PCB..............................40
– Main PCB.......................................35
– Overview.........................................34
Electrical equipment assembly
– Type BW 351.A18..........................95
– Type BWS 351.A18......................106
Electrical installation scheme
– Primary circuit, water/water 10, 13, 18
Electric booster heater.......................79
Electric heater....................................52
Electronic expansion valve................86
Electronic expansion valve EEV..........6
Energy meter.....................................81
Expansion PCB............................40, 85
Expansion vessel.........................28, 70
– Checking the pre-charge pressure. 71
Extended menu..................................74
External extension.............................77
External functions..............................78
F
Feed.................................57, 58, 60, 61
Filling
– Secondary side...............................70
Filling and venting the secondary cir-
cuit.....................................................70
Fill water.............................................70
Floor load...........................................23
Floor unevenness..............................23
Flow switch..................................15, 19
Flow temperature sensor, heating circuit
with mixer...........................................49
Frost stat................................15, 19, 64
H
Heating circuit pump..........................76
– Parameters.....................................76
Heat pump
– Opening..........................................69
Heat pump cascade...........................82
Heat pump module assembly
– Type BW 351.A18..........................98
– Type BWS 351.A18......................109
Heat pump siting................................25
Heat transfer medium............27, 28, 70
Hose outlets.......................................28
Hydraulic installation scheme..............9
– Primary circuit, water/water......12, 17
Hydraulic parameters.......................115
I
Ice store.............................................80
Immersion heater...............................44
Inspection...........................................69
Installation room.................................23
Installing the heat pump module........92
Installing the programming unit..........30
Instantaneous heating water heater6, 52
– Parameters.....................................79
Instructing the system user................83
Intended use........................................6
Internal components..........................86
Isolators.............................................54
K
KM BUS distributor............................50
L
Levelling the heat pump.....................25
Low pressure sensor..........................87
Keyword index
Keyword index
(cont.)
5546 267 GB
