3
IMPORTANT
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 safety instructions. The meaning of this
symbol is as follows:
CAUTION! YOUR SAFETY IS INVOLVED. FAILURE IN FOLLOWING THESE
INSTRUCTIONS MAY RESULT IN INJURY.
- The solar pump station must be installed by a qualified technician in compliance with relevant national and/or local
regulations.
- Install, commission and service the solar pump station correctly in accordance with the instructions given in this
manual to avoid malfunction and user endangerment.
- All connection fittings must be watertight.
- When making the hydraulic connections ensure that threads are not mechanically overstressed. Over time, excessive
stress may cause breakage with water leaks, property damage and/or personal injury.
- Water temperatures higher than 120°
F (
50°C) may cause serious scalding.
- During installation, commissioning and servicing take the necessary precautions to prevent injury to persons caused
by high temperatures.
CAUTION: Risk of electric shock. Discount the electric supply before carrying out any
work. Failure in following these instructions may result in injury of persons or damage
to property.
2
Product range
Code 278751A Single-line solar pump station with 3 speed pump, return connection and flow meter scale 2 to 8 gpm.........connection 3/4” female
Code 278751 Single-line solar pump station without pump, return connection and flow meter scale 2 to 8 gpm..................connection 3/4” female
Code 279051A Dual-line solar pump station with 3 speed pump, supply and return connections, flow meter scale 2 to 8 gpm
.....................................................................................................................................................................connections 3/4” female
Code 279051 Dual-line solar pump station without pump, supply and return connections, flow meter scale 2 to 8 gpm
.....................................................................................................................................................................connections 3/4” female
Code 278951A Single-line solar pump station for drainback with 3 speed pump, return connection and flow meter scale 2 to 8
Technical specification
Materials
Shut-off valve body:
brass
Check valve:
brass
Temperature gauge:
steel/aluminum
Air Separator
Body:
brass
Instrument holder fitting
Body:
brass
Sealing gaskets:
EPDM
O-Ring seal elements:
EPDM
Flow meter
Body:
brass
Transparent level gauge:
PS
Flow indicator:
brass
Hydraulic seals:
EPDM
Insulation
Material:
PP
Average thickness:
3/4 inch (20 mm)
Density:
2.8 lb/ft³ (45 kg/m
3)
Working temperature range:
23 - 250°F (-5–120°C)
Thermal conductivity: 0.263 BTU·in/hr·ft²·°F 0.037 W/(m·K)
at 50°F (10°C)
Reaction to fire (UL94):
class HBF