User manual

7
ENG
Heat accumulator .......................................................................................................57
Control of the heat pump ............................................................................................58
Pump for return-pipe temperature increase (bypass pump) .......................................58
Domestic hot water .....................................................................................................58
Domestic hot water circulation ...................................................................................60
Remote heating activation ..........................................................................................60
Operation of heating systems with two heat sources .................................................60
Setting the minimum RPM for pump R9 .....................................................................63
Differential controller ..................................................................................................64
Operation modes in cases of sensor malfunction ......................................................66
INSTALLATION MANUAL
Controller installation ...........................................................................................................67
Wall installation ...........................................................................................................67
Panel installation ........................................................................................................68
Installation onto boiler ...............................................................................................69
Electric connection of the controller ...........................................................................70
Connection of temperature sensors ...........................................................................71
Room unit DD2+ .........................................................................................................72
BUS connection to WXD controllers ...........................................................................73
BUS connection to WDC controllers ..........................................................................73
BUS connection to CMP25-2 controllers ....................................................................74
Installation and connection of VT safety limiter ..........................................................75
Installation and test of the safety temperature limiter STB .........................................76
Controller malfunction..........................................................................................................77
Sensor simulation and controller operation test .........................................................77
Controller failure and servicing ...................................................................................77
Technical data......................................................................................................................78
Declaration of conformity .....................................................................................................79
Disposal of old electrical and electronic equipment.............................................................80
Hydraulic schemes ............................................................................................................159