MHS Boilers Strata 2 - Hydraulic & Wiring (Single Boiler)

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STRATA2
suggested hydraulic layout and basic wiring for
Strata 2 120 condensing boilers
AF Outside Sensor
Boiler No.1 Boiler No.2
(if installed)
RFO Return
Sensor
HKP
SLP
VFO Flow Sensor
SF
HWS
Sensor/
Stat
Low Loss
Header
Max Velocity
0.5 m/s
PPS
SLP
NE L
LPB VFO SF AF RE H1 RFO
PPS LPB VFO SF AF RE H1 RFO
HK
NE L
SLP
NE L
HK
NE L
HWS Sensor
(by MHS) or Volt
Free Cylinder Stat
HWS Pump/Starter
2A Max
Heating Pump/Starter
2A Max
Boiler No.1
RVA 47 Boiler Controller Connections
RE3231 Room Unit if Required
Remote Enable if Required
(Volt Free) or 0-10 Volt
Boiler No.2
Connections (if Installed)
Valves, Fittings and Anciliary Equipment Not Shown for Clarity
5.7.3 connection diagrams
Flow
Sensor
Return
Sensor
Outside
Sensor