Pipework And Instrumentation (P & I) Diagram - Heatrae Sadia HI-MAX INSTANT ID 5-60 Installation, Operation And Maintenance Manual

3.8 Pipework and Instrumentation (P & I) Diagram
Figure 16: P & I Diagram
HI-MAX INSTANT ID Indirect HIU
P
S1
3
4

The hydraulic schematics within this document are for guidance only and do not constitute system design.
Some components may not be detailed and connection positions have been moved for clarity purposes.
For clarifi cation of the position of the connections refer to Figure 11 on page 10.
14
1 2
HM1
HM2
HM
S2
P1
5
6
Legend
1 District Flow
2 District Return
3 Apartment Heating Flow
4 Apartment Heating Safety Valve Discharge
5 DHW Flow
6 DHW Cold Feed
7 Apartment Heating Return
S1 DHW Flow Temperature Sensor
S2 Apartment Heating Flow Temperature Sensor
S3 Apartment Heating Return Temperature Sensor
P1 Apartment Heating Low Pressure Switch
S3
P Pressure Gauge
HM Heat Meter Volumetric Flow Meter
HM1 Heat Meter Flow Temperature Sensor
HM2 Heat Meter Return Temperature Sensor (fi tted
within the heat meter volumetric fl ow meter)
7