Solar Heating; Finishing The Installation; Draining Instructions - Rinnai Prestige Operation & Installation Manual

6� Close the hot water taps including the shower�
7� Close the cold water inlet ('trio') valve on the storage cylinder inlet and inspect and clean the strainer� Repeat
for the strainer connected at the inlet of the gas booster� This procedure may need to be repeated to ensure
the strainers remains clear, especially on new installations�
8� Confirm the hot water delivery temperature from the gas booster. This is done by checking the hot water
delivery temperature at an untempered outlet close to the water heater� This is usually the hot water outlet in
the kitchen� The untempered hot water delivery should be between 65°C & 70°C�
Temperature limiting Devices
1� Commission any temperature limiting devices in accordance with the instructions supplied by the manufacturer�
2� Confirm the hot water delivery temperature at a tempered water outlet. Tempered water outlets should be
those supplying areas primarily used for the purposes of personal hygiene such as bathrooms� The hot
water delivery temperature should not exceed 50°C or 45°C as detailed in the section 'Hot Water Delivery
Temperature' on page 19�

solaR HeaTIng

1� Remove any cardboard or tarp covers that may have been placed over the solar collectors to prevent them
from heating water during installation and commissioning� Solar heating of the water in the cylinder will now
commence when sufficient solar radiation is available.
2� Activate electrical power to both the gas booster�

fInIsHIng THe InsTallaTIon

1� After testing is completed explain to the householder the functions and operation of solar water heater
components and the importance of carrying out Maintenance as per separate warranty document�
2� Complete the installation record at the back of the manual�
3. Leave this manual and the warranty booklet with the householder�

DRaInIng InsTRuCTIons

1� The power supply to the gas booster must be switched off�
2� Close the cold water mains supply stop cock�
3� Open a hot tap to relieve pressure�
4� Disconnect the cold water connection to the Thermo-arrest (T/A) valve.
5� Remove the brass plug on the bottom right hand side of the collector bank�
6� Disconnect the 'water inlet' and 'water outlet' connections at the gas booster�
7� The system will now drain all water�
Rinnai
InsTallaTIon - gas boosTeD sysTeMs
51 CC OIM Issue 9