120
Electronic expansion valve EEV........10
Enable
■ Electric booster heater....................86
■ External extension..........................87
■ Instantaneous heating water heater 86
Enable electric booster heater...........86
Evaporator.........................................92
Expansion vessel
■ Checking the pre-charge pressure. 78
Expansion vessel, checking...............79
Extended menu..................................82
Extension kit, mixer............................83
External blocking................................85
External changeover..........................85
External demand................................85
External extension.............................87
■ Enable............................................87
External extension H1..................33, 84
External starting.................................85
F
Filling
■ Primary side....................................77
■ Secondary side...............................77
Filling and venting the primary circuit.77
Filling and venting the secondary cir-
cuit.....................................................77
Filling the secondary circuit................78
Filter dryer..........................................92
Flow temperature
■ With external demand...............87, 88
Flow temperature sensor
■ Curve..............................................93
Flow temperature sensor, primary cir-
cuit.....................................................92
Flow temperature sensor, secondary cir-
cuit.....................................................92
■ Curve..............................................93
Fuse/MCB........................................114
Fuses/MCB........................................51
H
Heating/cooling circuit
■ Interface..........................................35
Heating circuit pump..........................83
Heating water buffer cylinder
■ Interface..........................................35
Heat pump cascade
■ Hydraulic connection................33, 36
Higher output.....................................10
High pressure sensor.........................91
High pressure switch..........................91
Hot gas temperature sensor..............91
Hydraulic connections........................42
■ Overview...................................42, 45
Hydraulic installation scheme
■ 2-stage heat pump..........................34
■ DHW heating..................................36
■ Primary circuit, brine/
water.......................24, 25, 27, 29, 31
Hydraulic parameters.......................106
I
Inspection...........................................76
Installation..............................14, 19, 38
Installation room.................................14
Installing the heat pump.....................38
Installing the programming unit..........72
Instantaneous heating water heater...10
■ Enable............................................86
■ Parameter settings.........................86
Instructing the system user................88
Internal components
■ Overview...................................90, 92
Isolators.............................................67
L
Lag heat pump.............................33, 36
Lead appliance...................................33
Levelling the heat pump.....................38
LON communication module........33, 67
LON module.................................33, 67
Low pressure sensor..........................91
Keyword index
Keyword index
(cont.)
5772 458 GB
