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Rinnai Australia 23 Installation Manual
GENERAL INSTALLATION INSTRUCTIONS
SERVICE CONNECTION POINTS
See Table 1 for individual appliance connection / fitting dimensions. Note that these dimensions are
NOT an indication of the pipe sizes required.
An Approved full flow isolation valve and disconnection union MUST be fitted to the cold water inlet.
A non return valve is not required unless required by local regulations.
Isolation Valves must not be fitted directly to the appliance.
If may be necessary to fit a temperature limiting device for delivery to areas used primarily for the
purposes of personal hygiene. Refer to the ‘Water Heater and Controllers Installation Configurations’
Section of this document.
Purge gas and cold water supply lines to remove air and swarf before final connection of the
appliance. Swarf in either the gas or water supplies may cause damage.
Table 1.
MOUNTING THE APPLIANCE
See Table 1, page 23 for individual appliance weights. The wall or structure on which the units are
to be mounted must be capable of supporting these weights and the associated pipe-work.
The top bracket has a keyhole slot so that the appliance can be positioned by hanging it on one
screw, then the other screws can be secured.
The appliance can be mounted directly against the wall or structure. There is no need to use, non
combustible sheeting or leave an air gap between the appliance back panel and the wall or structure
for the purposes of meeting the temperature hazard requirements of AS/NZS 5601.
If the appliance is to deliver water primarily for the purposes of personal hygiene in an
early childhood centre, primary or secondary school, nursing home or a similar facility
for the care of young, aged, sick or disabled persons as defined in AS/NZ 3500 a
Temperature Limiting Device (TLD), such as a Tempering Valve may be required even
if the appliance is set to 50º C or less.
For these types of applications contact Rinnai.
Model:
Gas
Consumption
MJ/h
Water Supply kPa
Weight
kg
Fittings
Min. Max. Hot Cold Gas Condensate
REU-VRM3237WC 250 180 1000 29 R ¾ (20mm) R ¾ (20mm) R ¾ (20mm) -
REU-VRM3237WG 250 180 1000 29 R ¾ (20mm) R ¾ (20mm) R ¾ (20mm) -
REU-VRM2626WG 199 200 1000 16 R ¾ (20mm) R ¾ (20mm) R ¾ (20mm) -
REU-VRM2632WC 199 140 1000 21 R ¾ (20mm) R ¾ (20mm) R ¾ (20mm) -
REU-VRM2632FFUG 195 140 1000 21 R ¾ (20mm) R ¾ (20mm) R ¾ (20mm) -
REU-VRM2632FFUC 195 140 1000 21 R ¾ (20mm) R ¾ (20mm) R ¾ (20mm) -
REU-KM3237WDC 211 250 1000 32 R ¾ (20mm) R ¾ (20mm) R ¾ (20mm) R ½ (15mm)
REU-KM3237FFUDC 211 250 1000 32 R ¾ (20mm) R ¾ (20mm) R ¾ (20mm) R ½ (15mm)
REU-KM3237WD 211 250 1000 32 R ¾ (20mm) R ¾ (20mm) R ¾ (20mm) R ½ (15mm)
REU-KM2635WD 172 250 1000 29 R ¾ (20mm) R ¾ (20mm) R ¾ (20mm) R ½ (15mm)
REU-VR2626WB 199 200 1000 16 R ¾ (20mm) R ¾ (20mm) R ¾ (20mm) -
REU-VRM2024WG 160 160 1000 15 R ¾ (20mm) R ¾ (20mm) R ¾ (20mm) -
REU-VR2024WB 160 160 1000 15 R ¾ (20mm) R ¾ (20mm) R ¾ (20mm) -
REU-VRM1620WG 125 120 1000 15 R ½ (15mm) R ½ (15mm) R ¾ (20mm) -
REU-VR1620WB 125 120 1000 15 R ½ (15mm) R ½ (15mm) R ¾ (20mm) -
IMPORTANT
50º C
KITCHEN
Water controller
(optional)
Water controller
(optional)
Water controller
(optional)
Water controller
(optional)
LAUNDRY
BATHROOM
ENSUITE
H
O
T
C
O
L
D
G
A
S
KITCHEN
Water controller
(optional)
Water controller
(optional)
LAUNDRY BATHROOM
Water controller
(optional)
Water controller
(optional)
ENSUITE
TLD
H
O
T
C
O
L
D
G
A
S
Diagram 1 - 50°C Appliance
Diagram 2 - Not a 50°C Appliance
Note: TLD = Temperature Limiting Device
Minimum length of pipe from hot outlet
to nearest hot water tap 2 metres.
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