Rinnai DD180 Operation And Installation Manual page 12

Installation Information - Connections
Cold water inlet
Hot water outlet
Pressure
Limiting Valve
Cold Water
Pressure Relief
Valve
TPR Valve
(supplied)
Drain Valve
Drain Lines
Maximum
thermostat
setting
Ingress
protection rating
Rinnai New Zealand
• DD180 20 mm fitting on right side of tank, 225 mm above the
ground
• DD340 20 mm fitting on right side of tank, 260 mm above the
ground
For ease of draining it's advisable to fit a "Tee" piece with a capped valve
or drain line between the cold water isolation valve and cold water inlet
connection of the tank.
• DD180 20 mm fitting on left or right hand side of tank, 1310 mm
above the ground
• DD340 20 mm fitting on left or right hand side of tank, 1200 mm
above the ground
Ensure adequate insulation/lagging is fitted to hot water pipe to minimise
heat loss. Pipe sizing must be sized to allow sufficient water flow to hot
water fixtures.
• DD180 700 kPa (approx.)
• DD340 500 kPa (approx.)
• DD180 850 kPa (approx.)
• DD340 700 kPa (approx.)
• DD180 1000 kPa
• DD340 850 kPa
A TPR valve must not be replaced with one that has a higher pressure/kW
rating than that specified for your system.
Provision must be made to drain the cylinder if required for servicing.
These must be installed in accordance with AS3500 and/or G1/AS1.
G1 is available online from:
www.dbh.govt.nz/building-code-compliance-documents
The tank thermostat is factory set to shut off at 65 °C. The Rinnai
continuous flow water heater is set to 75 °C. No adjustment should be
made to these settings.
IPX4 (cylinder, control box and Rinnai continuous flow water heater)
Demand Duo Lite Operation/Installation: 11451-A
1
01-09