NOTICE
The following instructions must be read and understood before installing, commissioning and
servicing the circulation unit.
The safety symbol is used in this manual to draw attention to the respective safety instructions.
The meaning of this symbol is as follows:
N.B! YOUR SAFETY IS INVOLVED. FAILURE IN FOLLOWING THESE INSTRUCTIONS MAY
RESULT IN INJURIES.
- The circulation unit for solar thermal systems must be installed by a qualified technician in compliance with
relevant national and/or local regulations.
- If the circulation unit is not installed, commissioned and serviced correctly in accordance with the instructions
given in this manual, it might not work properly and could put the user in danger.
- Make sure that all connection fittings are watertight.
- When realising hydraulic connections, make sure that threaded connections are not overstressed mechanically.
Over time, excessive stress may cause breakages with hydraulic leaks and damage to property and/or personal injury.
- Water temperatures exceeding 50°C may cause severe burns.
- When installing, commissioning and servicing, take the necessary precautions so that these temperatures will not
be hazardous for people.
CAUTION: Risk of electric shock. Remove the power supply before carrying out any work.
Failure in following these instructions may result in personal injury or damage to
property.
2
Product range
Code
266
050 Circulation unit with return connection 2–7 l/min
size 3/4”
Code
266
054 Circulation unit with return connection 3–10 l/min
size 3/4”
Code
266
052 Circulation unit with return connection 7–25 l/min
size 3/4”
Code
267
050 Circulation unit with flow and return connection 2–7 l/min
size 3/4”
Code
267
054 Circulation unit with flow and return connection 3–10 l/min
size 3/4”
Code
267
052 Circulation unit with flow and return connection 7–25 l/min
size 3/4”
Code
266
250 Circulation unit with return connection, with regulator DeltaSol
®
C+ 2–7 l/min
size 3/4”
Code
266
254 Circulation unit with return connection, with regulator DeltaSol
®
C+ 3–10 l/min
size 3/4”
Code
266
252 Circulation unit with return connection, with regulator DeltaSol
®
C+ 7–25 l/min
size 3/4”
Code
267
250 Circulation unit with flow and return connection, with regulator DeltaSol
®
C+ 2–7 l/min
size 3/4”
Code
267
254 Circulation unit with flow and return connection, with regulator DeltaSol
®
C+ 3–10 l/min
size 3/4”
Code
267
252 Circulation unit with flow and return connection, with regulator DeltaSol
®
C+ 7–25 l/min
size 3/4”
Package content
The package contains:
Circulation units
• The solar circulation unit complete with front
and rear insulation.
• The wall fixing bracket.
Regulator
(only for versions complete with)
• Solar regulator DeltaSol
®
C+.
• 4 temperature probes.
Accessories:
• Bag of 2 M5 screws, S6 screw anchors and
washers.
