And 53 Usg (160 And 200 L) Tank Connections; Usg (300 L) Tank Connections - Viessmann VITOCELL 300-W Installation, Operating And Service Instructions

Vitocell 300-W/V, EVIA/EVIB Installation, Operating and Service

42 and 53 USG (160 and 200 L) Tank Connections

Legend
DHW Domestic Hot Water supply
RT Recirculation tapping (DHW)
TS DHW temperature sensor for boiler control
BWS Boiler Water Supply
BWR Boiler Water Return
DCW/D Domestic Cold Water supply/Drain

79 USG (300 L) Tank Connections

Legend
DHW Domestic Hot Water supply
RT Recirculation tapping (DHW)
TS DHW temperature sensor for boiler control
BWS Boiler Water Supply
BWR Boiler Water Return
DCW/D Domestic Cold Water supply/Drain
Supplied component sizes
Part
A Cap
B Tee
C Solar elbow*
D Temperature and
pressure relief valve
* Optional for Solar applications only.
Connections
BWS, BWR
DHW, DCW/D, RT
Supplied component sizes
Part
A Cap
B Tee
C Reducer bushing
D Temperature and
pressure relief valve
E Solar elbow*
* Optional for Solar applications only.
Connections
BWS, BWR
DHW, DCW/D, RT
Installation
Quantity
Size
c in. NPT 1
1
c in. NPT
1 in. NPT 1
1
c in. NPT
Size
1
in. (male NPT)
in. (male NPT) c
Quantity
Size
1 in. NPT 1
1 in. NPT 1
1 to c in. NPT 1
1
c in. NPT
1 in. NPT 1
Size
1
in. (male NPT)
1
in. (male NPT)
7