Rinnai new Zealand Limited
Hotflo Electric Storage Water Heater
Operation and Installation: 11151-C 03-10
13
Installation: Connections and settings
Pressure Limiting Valve
Rinnai Hotflo Electric 135, 180 and 215 L
= 700 kPa (approx.)
Rinnai Hotflo 270 and 340 L
= 500 kPa (approx.)
If the water supply pressure exceeds the rated pressure, a pressure limiting valve is to be
fitted to the installation.
Cold Water Pressure Relief Valve
Rinnai Hotflo Electric 135, 180 and 215 L
= 850 kPa (approx.)
Rinnai Hotflo 270 and 340 L
= 700 kPa (approx.)
Temperature & Pressure Relief Valve (TPR)
Rinnai Hotflo Electric 135, 180 and 215 L
= 1000 kPa
Rinnai Hotflo 270 and 340 L
= 850 kPa
The TPR valve is supplied with the cylinder.
Water may drip from the discharge pipe of the pressure relief device, the pipe must be left
open to the atmosphere. The discharge pipe is to be installed in a continuous downward
direction and in a frost-free environment.
Drain valve
Provision must be made to drain the cylinder if required for servicing.
Drain lines
These must be installed in accordance with aS3500 and/or G12/aS1. G12 is available online at
no cost from: www.dbh.govt.nz/building-code-compliance-documents.
Thermostat setting (maximum)
75 °C
Hot and cold water connections
¾ ” (20 mm)
Ingress protection rating
IPX4
