Quantum Hot Spring Installation, User And Service Manual page 11

Secondary circuit arrangement
Fig 5
MAINS COLD WATER SUPPLY
1
STOP COCK (NOT SUPPLIED)
2
PRESSURE REDUCING VALVE – SET 3 BAR
3
CHECK VALVE
4
EXPANSION RELIEF VALVE - SET 6 BAR
5
DISCHARGE PIPE 22mm DIA (SEE SECTION 7)
6
DRAIN COCK
7
IMMERSION HEATER 230v – 3 Kw – 50 Hz
8
COLD WATER INLET CONNECTION – 22mm DIA
9
PRIMARY FLOW CONNECTION – 22mm DIA
10
CONTROL THERMOSTAT SENSOR POCKET
11
PRIMARY RETURN CONNECTION – 22mm DIA
12
TUNDISH 15 TO 22mm
13
14 TEMPERATURE AND PRESSURE RELIEF VALVE. SET 7 BAR / 90C
HOT WATER OUTLET – 22mm DIA
15
11