InstallationConfigurations; Hot Water Plumbing System Example - No Tld; Hot Water Plumbing System Example - With Tld - Rinnai QRESS315L348 Operation & Installation Manual

INSTALLATION CONFIGURATIONS

HOT WATER PLUMBING SYSTEM EXAMPLE - NO TLD

KITCHEN
LAUNDRY
BATHROOM
ENSUITE
ValveswithpressureratingsotherthanspecifiedareunsuitableandMUST NOT beused.
CAUTION

HOT WATER PLUMBING SYSTEM EXAMPLE - WITH TLD

TEMPERED
SUPPLY
Limiting Device
Isolating
Valve
COLD
SUPPLY
Non-return Valve
Valves with pressure ratings other than specified are unsuitable and MUST NOT be used�
CAUTION
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 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
COLD
SUPPLY
NON TEMPERED SUPPLY
KITCHEN
Non-return
LAUNDRY
Valve
Temperature
(TLD)
Non-return
BATHROOM
Valve
ENSUITE
*
PLV
Isolating
Valve
(OR)
COLD
*
PLV
SUPPLY
TO DRAIN
TO DRAIN
Non-return
Valve
* *
PLV ECV
TO DRAIN
NON TEMPERED SUPPLY
TEMPERED
SUPPLY
Isolating Non-return
Valve Valve
*
PLV
*
WATER
ECV
HEATER
12
PTR VALVE
850 kPa
(Supplied)
WATER
HEATER
*
PLV = 500 kPa
*
ECV = 700 kPa
(Not Supplied)
Non-return
Valve
Temperature
PTR VALVE
Limiting Device
(TLD)
(Supplied)
Non-return
Valve
TO DRAIN
*
ECV
*
PLV = 500 kPa
*
ECV = 700 kPa
TO DRAIN
(Not Supplied)
SS QRE HW IM - ISSUE 2
850 kPa
WATER
HEATER