Ecodan 150 Standard Installation And Servicing Instructions page 26

Fig 15 - Optional 2 zone twin temperature control pack - sensor wiring
Secondary Z1 Flow
Secondary Z2 Flow
Secondary Z2 Return
Secondary Z1 Return
Fig 16 - Optional 2 zone twin temperature control pack - dip switch settings
26
Mixing Valve
TB1.2 3-4 (THW6)
TB1.2 7-8 (THW8)
TB1.2 9-10 (THW9)
TB1.2 5-6 (THW7)
SW2-7 - ON