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INSTALLATION
INSTALLATION PROCEDURE
1.
Install Solar Collectors
Position and install collectors in accordance with the section 'Installation - Solar Collectors' on page 12.
2.
Position Storage Cylinders
Position storage cylinders on a level base.
3.
Connect PTR Valves
Connect PTR valves in the location shown on the diagrams shown on pages 23 and 24.
a. Leave the valve body pointing down. Tighten the valve using the spanner flats - never use the valve body.
b. The PTR must be adequate for the load being applied to the storage cylinder. As any gas boosting is done
after the storage cylinders the only heat input to the tank is from the solar collectors. The potential solar
output for the solar collectors at PTR relief conditions is listed on page 12.
Example: if there are 3 SP200B solar collectors per tank, then the maximum input is 3 x 1.25 kW = 3.75
kW. This is less than the 10kW capacity of the supplied PTR valve and therefore is OK.
c. Use Teflon tape on the valve. NEVER use hemp or other sealing materials. Ensure the tape does not
protrude past the end of the thread, which could result in it blocking the water passage from the valve.
4.
Connect Flow and Return Pipework
Connect the flow and return pipework as shown in the diagrams on page 20, or using a suitable alternative
layout that ensures the flow and return piping is balanced.
5.
Connect Pump and other Pipework
Connect the pump, pipework between collectors and cylinders, cold inlet, hot outlet and remaining pipework
and gas boosting choice as shown in the relevant diagram on pages 27 to 29, or other suitable layout.
Plug the single pump into the right hand GPO or if you have dual pumps then plug them both into the GPO's
at the base of the controller. DO NOT plug the pump(s) into any other GPO.
6.
Connect the Solar Controller
With power off, mount the controller per the instructions provided taking particular note of the correct mounting
orientation shown in the picture. DO NOT supply power to the solar controller until the system is filled with
water.
The controller MUST
be installed in an up-
right and vertical ori-
entation ONLY!
Rinnai
DO NOT install the controller on its side or back!
10
DD FP Solar Pre Heat System OIM
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