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Figure 7-6 - Piping of a tankless appliance
1 = Appliance
4 = Manual gas valve
5 = Pump
8 = Mixing valve Brand Caleffi
Model 523 or with equivalente performance
9 = Secondary return pump
10 = Timer
12 = Hot water outlets
13 = Cold water inlet
7 - INSTALLATION - Water connections
CAUTION!!!
Size secondary return system ( pipes
and pump item “9”) in order to have a minimum
2000 l/h (9GPM) circulating on it and the appliance.
CAUTION!!!
Use a mixing valve (item “8”) brand
Caleffi model 523 or with equivalent performance.
Summary of Contents for Infinite Energy2 IW1000
Page 3: ...3 SAFETY INSTRUCTIONS...
Page 5: ...5 SAFETY INSTRUCTIONS...
Page 122: ...122 16 MAINTENANCE...
Page 126: ...126 18 SPARE PARTS Spare parts...
Page 154: ...154 21 SEQUENCE OF OPERATION...