
7. Closed Loop Pump Station Installation
The following instructions are specific to the Apricus Closed Loop Pump Station, which is
designed for use in Apricus OG-300 certified closed loop systems.
7.1. Design
a) The Apricus Closed Loop Pump Station (ACLPS) is specifically designed for use with the Apricus solar
collector in a closed loop format. It is NOT suitable for direct flow or drain-back systems.
b) The ACLPS has the following key features:
☀ 3 Speed Grundfos pump (integrated check valve) ☀ Controller mounted directly into pump station
☀ Controller mounted directly into pump
station ☀ Flow meter with built in balancing
valve
☀ Purge and fill valve assembly in return
line ☀ 3/4” Quick connector push fittings
☀ I n t e g r a t e d a u t o m a t i c a i r
remover ☀ Pressure &
temperature gauge
☀ Supplied as standard
with a 4.5 gallon expansion tank and mounting/
connection assembly
7.2. Closed Loop Pump Station Technical Data
8.375” / 213 mm (With Insulated Cover)
¾” (⅞” OD copper) Quick Connect Fitting
¾” (⅞” OD copper) Quick Connect Fitting
Pressure Relief Valve Connection
Pressure Relief Valve Pressure
Max. Operating Temperature
Apricus Solar Collector Installation & Operation Manual - USA
Copyright © 2011 – Apricus Inc Doc: A7-05.4.12-PB Page 53 of 129
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