Expansion Tank Connection Kit
(1 x Expansion Tank Mounting Bracket)
(1 x 1/2” FPT / 3/8” Barbed Onix)
(1 x 1/2” MPT / 3/8” Barbed Onix )
(2 x 3/8” Onix Ring Clamps)
Expansion Tank Mounting Kit
(4 x 1 1/2” Wall Screws)
(4 x 1 1/2” Wall Anchors)
Expansion Tank Hose (black ONYX)
7.4. Mounting
a) Mounting Surface: The pump station can be mounted on most wall types using the provided screws. If
building structural members are not available a wooden board or the provided hollow wall anchors should
be used to provide secure attachment points.
b) Pipe Layout: It is a good idea to layout all piping before securing the pump station in place, to make sure
that everything fits properly and sensor cables can reach the tank, etc.
c) To mount the pump station:
Step 1. Mark and drill a pilot hole for center screw.
Step 2. Mark and drill a pilot hole 6-1/4” left of center hole for controller bracket
screw.
Step 3. Insert steel sleeve in insulation around center hole.
Step 4. Insert the plastic hollow wall anchors into the holes if building structural
members are not available.
Step 5. Using a Phillips head screwdriver and the appropriate screws and
washers secure the pump station to the wall.
7.5. Plumbing Connection
a) Leak Testing: Before commencing attachment of the pump station to the solar
loop, the collector must be plumbed to the feed and return lines and air pressure
tested to 116psi for at least 15min or in line with local codes and regulations. This is
important because if there is a leak in the roof space it could cause significant
damage to the building. In addition, by doing the pressure test first, once the pump
station is then attached and fill and pressurization completed, piping on the roof and in the roof space can
be ruled out if there is any pressure drop or leaks.
b) Quick Connect: All pump stations provide 3/4” quick connect fittings both top and bottom. If you wish to
use 3/4” flexible stainless steel piping for the solar loop, remove the quick connect fittings and use additional
fittings as required. If using an Apricus brazed plate heat exchanger kit, slip the kit into the bottom of the
pump station and push in until kit is firmly seated in the quick connects.
c) Connection Process: Only standard hard drawn 3/4” copper pipe should be used for with quick connect
fittings. If 1/2” or 3/8” copper is being used for the solar loop use standard adapters to reduce to that smaller
pipe size.
Step 1. Mark the copper pipe 1-3/8” from end of pipe.
Step 2. De-burr the inside and outside of the pipe end to ease insertion and possible future removal.
Step 3. Push the pipe into the push fitting until you can not see the mark.
Step 4. Pull back on pipe to insure internal connection is secure.
To remove pipe from push fitting, simultaneously push the plastic ring toward fitting while pulling pipe out of
fitting.
Apricus Solar Collector Installation & Operation Manual - USA
Copyright © 2011 – Apricus Inc Doc: A7-05.4.12-PB Page 56 of 129
NOTE: System
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