Potable Water Systems - York YAWS018 - 075 Installation Manual

AFFINITY SINGLE STAGE HYDRONIC INSTALLATION MANUAL

Potable Water Systems

The 018 and 025 models can be equipped to provide
domestic hot water generation. An optional factory-
installed hot water generator coil may be provided with the
040, 050, 060, and 075 to assist with this process.
Suggested Domestic Water Heater Hookup
30 psi
RELIEF VALVE
Back Flow Preventer /
Pressure Relief Valve
Dielectric
Unions
Dielectric
Unions
NOTES:
* A 30 psi pressure relief valve (Part No: SRV30) should be used in
hydronic applications.
** Vent valve or P/T port at highest point in return line prior to ball valve.
Pressure
Gauge
Air
Vent
Expansion
Tank
GEO
STORAGE
TANK
Dip Tube
1-1/2 in.
FPT
Ball Valve
LOAD PUMP
Air
Separator
PUMP
FROM TO
HWG HWG
Source OUT
P/T Ports
Ball Valve
10
HYDRONIC
LOAD
Vent Valve/
P/T Port**
HOT
(Piped in
series to
an electric
water heater)
DOMESTIC
P/T Ports
Source IN
COLD