Ochsner AIR BASIC 109, Operating Manual/Installation Manual

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BA_AIR_BASIC_ELW_Multitower_OTE3_SW5x_CC_EN_V08.docx Page 21 of 92
4.1.7 Electrical connection
The appliance junction box is located on the upper
part of the indoor unit. Observe the regulations and information in
Section 6 Electrical connection
Terminal Description
X1
L1/L2/L3
Electr. booster heater
N/N/N/PE
X2
PE
Connection to outdoor unit Ni/COM/Li
C1/C2
X3
L/N/PE OTE controller supply
EVU/EVU PSU signal contact
HLSC/HLSC
External high limit safety cut-
out (heat sink)
Pin 10 DHW tank booster heater
Terminal Description
7 Heating circuit pump 1, direct (HCP 1)
8 Heating circuit pump 2, with mixer
valve (HCP 2)
13/14 DHW charging pump ON/OFF (WWL)
15/16 Heating circuit mixing valve (MVH)
41/42 Control elements (eBus)
43 Mixer sensor (TMK)
44 Outdoor temperature sensor (TA)
46 DHW sensor (TB)
55 Default target value, building
management system (BMS)
Figure 25: Golf Midi indoor unit connection terminals