Hot Water Plumbing System Example With Flow & Return Pipe Work & Tld - Rinnai HOTFLO HFE25S Operation & Installation Manual

HOT WATER PLUMBING SYSTEM EXAMPLE WITH FLOW & RETURN PIPE WORK & TLD
KITCHEN
LAUNDRY
BATHROOM
ENSUITE
ValveswithpressureratingsotherthanspecifiedareunsuitableandMUST NOT beused.
*
Forratingssee"Table2.Ratings&OtherSpecifications"onpage12.
1. Thisschematicisanexampleonly,variationsmayalsobesuitable.
CAUTION
TemperedwaterfromaTLDCANNOTbere-circulated.TheTLDMUST BE positioned in
2.
adeadleg,branchingoffthecirculatedhotwaterflowandreturnpipe.
Rinnai
UNTEMPERED SUPPLY
TLD
ISOLATING VALVE
COLD
Supply
FLOW+RETURN PUMP
NON RETURN
VALVE
ISOLATING VALVE
NON RETURN
VALVE
PLV 500 kPa
(Not Supplied
ECV (Not Supplied)
with all models)
700 kPa or 850 kPa
15 HOTFLO (HFE Series) Electric Storage Water Heater OIM
INSTALLATION METHODS
PTR VALVE
(Supplied 850 kPa or
1000 kPa)
WATER
HEATER