Technical data
Table Of Contents
- Table of contents
- 1 Key to symbols and safety instructions
- 1.1 Explanation of symbols
- 1.2 Safety instructions
- 2 About the appliance
- 2.1 Designated use
- 2.2 EU Declaration of Conformity
- 2.3 Data plate
- 2.4 Standard delivery
- 2.5 Accessories
- 2.6 Tools, materials and miscellaneous parts
- 2.7 General information on energy use and heat production
- 2.8 Function description of the hybrid manager
- 2.9 Handling circuit boards
- 2.10 Refrigerant circuit
- 2.11 Combi boiler with serial buffer tank, bypass valve and unmixed heating circuit
- 2.12 System boiler with serial buffer tank, bypass valve and unmixed heating circuit
- 2.13 Combi boiler with serial buffer tank, bypass valve, unmixed heating circuit and independently controlled mixed heating circuit
- 2.14 System boiler with serial buffer tank, bypass valve, unmixed heating circuit and independently controlled mixed heating circuit
- 2.15 Overview of components
- 2.16 Dimensions
- 2.17 Technical Data
- 3 Regulations
- 4 Transport
- 5 Mounting and installation
- 5.1 Preparing for installation
- 5.2 System component configuration
- 5.3 Pre-installing pipes
- 5.4 Mounting the hybrid manager
- 5.5 Installing the external unit
- 5.6 Installing the refrigerant circuit
- 5.7 Making the electrical connection
- 5.8 Installing the outside temperature sensor
- 5.9 Setting the DIP switches of the external unit
- 6 Commissioning
- 6.1 Before commissioning
- 6.2 Commissioning the system for the first time
- 6.2.1 Providing the external unit with a power supply ahead of commissioning
- 6.2.2 providing the external unit with a power supply during commissioning
- 6.2.3 Connecting the CANBUS cable to the hybrid manager unit
- 6.2.4 Making the power supply connection
- 6.2.5 Switching on the hybrid system
- 6.2.6 Connecting the programming unit to the hybrid control module
- 6.2.7 Connecting the heat source to the hybrid manager
- 6.2.8 Communication error from External unit on initial power ON of External Unit and Hybrid Manager
- 6.2.9 Adjusting the Hybrid manager circulating pump in the hybrid manager
- 6.2.10 System with series buffer tank
- 6.2.11 Venting the hybrid manager
- 6.2.12 Setting the bypass valve
- 6.2.13 Setting parameters for optimising energy use and costs of the hybrid system
- 6.2.14 Explanation of the parameters for energy and cost optimization of the hybrid system (control strategy)
- 6.2.15 Control Strategy: Option CO2 Optimised and co2 :cost mix
- 6.2.16 Control Strategy: Co2 optimised (environmental factors)
- 6.2.17 Control Strategy: CO2: Cost mix
- 6.2.18 Control Strategy: Option changeover temperature
- 6.2.19 Control Strategy: Cost optimised
- 6.2.20 Control strategy: hydraulic connection
- 6.2.21 Control strategy: Delay time for boiler heating
- 6.2.22 Control strategy: Temperature diff for boiler switch ON
- 6.2.23 Setting parameters at the hybrid control module
- 6.2.24 Commissioning of the air to water heat pump at outside temperatures outside the standard operating range
- 6.2.25 Informing the customer and handing over the technical documents
- 7 Operation
- 8 Environmental protection/disposal
- 9 Inspection and maintenance
- 10 Faults
- 10.1 Faults that are not displayed
- 10.2 Displayed faults
- Overview of internal hybrid fault indicators locations
- 10.2.1 Fault displays on the hybrid control module
- 10.2.2 Check temperature sensor of hybrid manager
- 10.2.3 Faults of the FW200 programming unit
- 10.2.4 Fault display on the FW 200 weather-compensated controller at user level
- 10.2.5 Fault display on the rear of the hybrid manager
- 10.2.6 External unit faults
- 10.2.7 Check components
- 10.2.8 DC fan motors/check PCB
- 10.2.9 Check external unit temperature sensor
- 10.2.10 Check linear expansion valves (LEV)
- 11 Replace components
- 11.1 Pumping refrigerant back into the external unit
- 11.2 Removing the casing from the external unit
- 11.3 Replacing the fan motor
- 11.4 Replacing the PCB housing
- 11.5 Replacing PCBs
- 11.6 Replacing faulty temperature sensors TH3, TH6 or TH33
- 11.7 Replacing outside temperature sensor TH7
- 11.8 Replacing temperature sensors TH4 and TH32
- 11.9 Fitting and removing the linear expansion valve
- 11.10 Removing the transformer (ACL)
- 12 Filling the refrigerant circuit
- 13 Appendix
- 13.1 Cost weighting electricity price — gas price
- 13.2 System wiring (heatronic III boiler connections) with a bypass valve and one unmixed heating circuit
- 13.3 System wiring (CUS boiler connections) with a bypass valve and one unmixed heating circuit
- 13.4 Wiring to PCB in the external unit (heat pump)
- 13.5 Controller circuit board in external unit
- 13.6 Alternative pipe work lengths and T
- 14 General details
- 15 Assembly and installation report for the installer
- 16 Commissioning report for the commissioning engineer

FILLING THE REFRIGERANT CIRCUIT
6 720 803 687 (2012/11)80
11.9 FITTING AND REMOVING THE LINEAR EXPANSION
VALVE
The linear expansion valve LEV ( Fig. 74, Page 78) comprises two
components, i.e. the valve body and the electric drive. The electric drive
can be replaced separately from the valve body.
REMOVING THE ELECTRIC DRIVE
▶ Hold valve body [2] tightly and remove the electric drive [1] upwards.
Fig. 75 Removing the electric drive
▶ Undo the drive terminal on the PCB.
FITTING THE ELECTRIC DRIVE
▶ Hold valve body [2] tightly and fit the electric drive on top so that the
guide tabs [1] click into the recesses in the valve body.
Fig. 76 Fitting the electric drive
▶ Ensure that the electric drive is correctly locked in place and sits
tightly.
▶ Route cables free of stress and connect the terminal with the PCB.
11.10 REMOVING THE TRANSFORMER (ACL)
At the Outdoor Unit (ODU):
▶ Remove the service panel.
▶ Remove the top panel.
▶ Remove the front panel.
▶ Remove the back panel.
▶ Remove the four reactor fixing screws and remove the reactor.
Replace the items in the reverse order.
12 FILLING THE REFRIGERANT CIRCUIT
The refrigerant circuit is pre-charged with 2.5 kg of R410A refrigerant.
This amount is adequate for a pipe run of between 0.5 and 30 m in both
directions. Refrigerant only needs to be topped up if refrigerant was
discharged during maintenance work.
Observe the following information if the refrigerant circuit needs to be
refilled:
▶ Only qualified and authorised refrigeration engineers may work on the
refrigerant circuit.
▶ Use only the specified refrigerant (R410A) to charge the refrigerant
lines.
▶ Never allow air to remain in the lines.
▶ After completing service, charge the refrigerant circuit with specified
amount of refrigerant.
▶ Never use a charging cylinder. If a charging cylinder is used, the
composition of the refrigerant will change and the efficiency will be
lowered.
When fitting or removing the electric drive always ensure
that you hold the valve body tightly to prevent damage to
the refrigerant lines.
Never use force to remove the electric drive. If the
electric drive is difficult to remove, move it lightly to and
fro until it can be removed easily.
2
1
6 720 646 970-120.1ITL
2
1
6 720 646 970-121.1ITL
Never wind the control and power cables around the
valve body.
The transformer is in the Outdoor Unit and attached to
the rear of the electrical parts box.
CAUTION: Damage from unsuitable refrigerant!
▶ Fill the system exclusively with R410A refrigerant.
▶ Never mix R410A refrigerant with other refrigerants.
Never add lubricant to the system.
▶ Never use a charging cylinder. If a charging cylinder is
used, the composition of the refrigerant will change
and the efficiency will be lowered.










