InstallationMethods; Hot Water Plumbing System Example - No Temperature Limiting Device; Hot Water Plumbing System Example - With Temperature Limiting Device - Rinnai HOTFLO HFE25S Operation & Installation Manual

HOT WATER PLUMBING SYSTEM EXAMPLE - NO TEMPERATURE LIMITING DEVICE

KITCHEN
LAUNDRY
BATHROOM
ENSUITE
COLD
SUPPLY
ValveswithpressureratingsotherthanspecifiedareunsuitableandMUST NOT beused.
*
Forratingssee"Table2.Ratings&OtherSpecifications"onpage12.
CAUTION

HOT WATER PLUMBING SYSTEM EXAMPLE - WITH TEMPERATURE LIMITING DEVICE

TEMPERATURE
LIMITING DEVICE
(TLD)
PLV (SUPPLIED)
500 kPa
NON RETURN
VALVE
ISOLATING VALVE
ISOLATING VALVE
COLD
Supply
It may be a requirement that the hot and cold water supply pressures to a Temperature Limiting Device (TLD)
are equal. If this is the case, a Pressure Limiting Valve (PLV) with the same pressure rating as the PLV for
the hot water is required for the TLD as shown.
Rinnai
NON TEMPERED
SUPPLY
ISOLATING VALVE
NON RETURN
VALVE
PLV 500 kPa
(Not Supplied
with all models)
KITCHEN
LAUNDRY
BATHROOM
ENSUITE
(OR)
ISOLATING VALVE
COLD
Supply
NON RETURN
VALVE
PLV
ECV
INSTALLATION METHODS
ECV (Not Supplied)
700 kPa or 850 kPa
NON TEMPERED
SUPPLY
TEMPERED
Supply
NON RETURN
VALVE
PLV 500 kPa
(Not Supplied
ECV(Not Supplied)
with all models)
700 kPa or 850 kPa
Water
Heater
13 HOTFLO (HFE Series) Electric Storage Water Heater OIM
PTR VALVE
(Supplied) 850 kPa
or 1000 kPa
WATER
HEATER
PTR VALVE
(Supplied) 850 kPa or
NON RETURN
VALVE
TEMPERATURE
LIMITING DEVICE
(TLD)
NON RETURN
WATER
VALVE
HEATER
1000 kPa