OSTBERG HERU 400-2400 S, User Manual

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56 / 120
Climatix HERU® 400-2400 2018-02-13
External components basic unit
Combi coil, DX cooler and heat pump
The system can control a combined cooling/heating pump DX-CHP, basic model
(without EXP1). The following models have DX machines that HERU CX can control:
-
Fujitsu
- Mitsubishi
- Panasonic
- LG
The integrated duct heater will regulate as extra heat,
i.e. after the DX-CHP has controlled to 100% heat, the built-in heater will control the
unit toward increasing heat.
The DX-CHP is connected as follows:
48
Start
Heating
DX- cooling and heating
pump
GND
0-10V DC*
DX-CHP
6
7
49
50
*The signal controls both
het and cooling effect
Configuration when integrated heater is a water heater
Parameter name Area Select
Main index > Configuration > Configuration 1
Heating
No / Yes Yes
Cooling No, Water, DX.... Water
Extra heat No / Yes Yes
Restart
√
, Execute Execute
Main index > Configuration > Configuration 2
Frost protection
sensor heating
No / … / Sens+2sp / … No
Pump heating No / Yes / Yes+exercise Yes
Combi Coil No / 1 signal / 2 signal 1 signal
Pump cooling No / Yes / Yes+exercise No
Frost protection Ex-
heat No / … / Sens+2sp / … Sens+2sp
Pump ex-heat No / Yes / Yes+exercise Yes+exercise
Ex-heat regulation Stand-alone / Seq. heat-Ex-heat Sekv. Heat-Ex.heat
Earlier versions only
sequence
Restart
√
, Execute Execute
Main index > Configuration > Config. IOs > Temperature
Frost protection
Ex.heat
… Pos: X4 Ni1KLG
Main index > Configuration > Config. IOs > Outputs temp.control
Heating output
signal
… Pos: X8
Pump heat outp. … Pos: DO3
Cooling output signal … Pos: X8
Ex-heat output signal … Pos: X7
Pump Ex-heat … Pos: DO2
DX-CHP
Connection
Parameter