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Summary of Contents for Grant Solar Pump Station
- Page 1 Grant Solar Pump Station Installation & Servicing Instructions C° C° UK | DOC 0096 | Rev 1.0 | October 2022...
- Page 2 This manual is accurate at the date of printing but will be superseded and should be disregarded if specifications and/or appearances are changed in the interests of continued product improvement. However, no responsibility of any kind for any injury, death, loss, damage or delay however caused resulting from the use of this manual can be accepted by Grant Engineering (UK) Limited, the author or others involved in its publication.
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Page 3: Table Of Contents
CONTENTS INTRODUCTION General TECHNICAL DATA Grant Solar Pump Station Technical Data Pump Performance Dimensions Components INSTALLATION General Regulations and Standards Location Safety Fitting Procedure Flow and Return Connections 2-Port Valve Expansion Vessel Safety Valve Discharge 3.10 Electrical Connection COMMISSIONING Expansion Vessel... -
Page 4: Introduction
1 INTRODUCTION GENERAL The Grant Solar Pump Station is a two-line Solar Pump Station for the circulation of glycol mix solar fluid through Grant solar thermal systems. All components are housed within an insulated enclosure designed to be wall mounted. -
Page 5: Technical Data
2 TECHNICAL DATA GRANT SOLAR PUMP STATION TECHNICAL DATA Table 2-1: Technical data Specifications for The Grant Solar Pump Station Dimensions 440 x 280 x 150 (mm) Weight without packaging 5.2 kg Pump mounting length 130mm Spacing between flow and return connections... -
Page 6: Pump Performance
PUMP PERFORMANCE 2.2.1 GRUNDFOS UPM3 SOLAR 7.5M UPM3 SOLAR Pumped liquid = Water Liquid temperature during operation = 60° Density = 983.2 Kg/m³ 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6 2.8 3.0 3.2 3.4 Q [m³/h] Figure 2-1: Grundfos characteristics Q(H) Figure 2-2: Grundfos energy consumption characteristics... -
Page 7: Dimensions
L/min L/min ³/4” ³/4” Figure 2-6: Side view of the Grant Solar Pump Figure 2-7: Front view of the Grant Solar Pump Station Station Figure 2-8: Plan view of the Grant Solar Pump Station Section 2: Technical Data Page 7... -
Page 8: Components
³/4” ³/4” C° C° L/min L/min Figure 2-9: Components of the Grant Solar Pump Station Table 2-2: Components of the Grant Solar Pump Station Key No. Description Return valve (right knob) - 3/4" BSP Female connection Safety valve (6bar) Safety valve discharge connection Pressure gauge (0-10bar) Expansion vessel connection 3/4”... -
Page 9: Installation
Mark the position of the lower hole of the wall bracket on the Pump Station (refer to Table 2-1) where the required clearances wall. can be achieved. Leave at least 20 cm at each side of the Grant Remove the coach screw and carefully lift the back section of Solar Pump Station. -
Page 10: Flow And Return Connections
Grant Solar Pump Station, pipework connections between the appliances should be made prior to making the connection to the The Grant Solar Pump Station should be installed with Grant Solar Pump Station. a minimum of 200mm clearance around the insulative housing. - Page 11 This is a diagrammatic view showing the connections to All system pipe connections must use compression fittings the Grant Solar Pump Station. As such it does NOT include with brass olives. Soft soldered joints must NOT be used all valves and controls and is NOT intended as a complete on the solar primary circuit.
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Page 12: 2-Port Valve
Twin Coil cylinder, a high temperature rated motorised valve Ensure that the expansion vessel isolation valve is OPEN - this is (contact Grant UK for details) may need to be fitted to the solar indicated when the two indicators (on the square end of the valve) thermal system flow pipe to the cylinder. -
Page 13: Electrical Connection
563 to 5991rpm (depending on the Connecting the pump Speed range variant) The pump requires a 230V 50Hz power supply from the Grant Maximum 95 %, non-condensing GSX1 Solar Controller to operate. This connection is made via Relative humidity environment a 3-pin plug supplied with the pump. - Page 14 Hint for installers Operating panel • Heating systems must be flushed according to local The operating panel is designed with a single button, one red/ standards, such as BS EN 14336, before start-up. After filling green LED and four yellow LEDs. the system for the first time, the pump must run for approx.
- Page 15 Control modes and curves PWM input signal profile C (solar) The pump runs on constant speed curves depending on the Two different control modes are available for Grundfos UPM3 current PWM value. Solar pumps. Constant Curve (3 different curves available) and PWM C profile (for use with solar controllers offering a PWM Speed increases when the PWM value increases.
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Page 16: Commissioning
(open), i.e. with ‘ON’ markers in horizontal position. Refer to Figure 4-3. < 15m ~ 2.5 bar ~ 2.8 bar Contact Grant Technical Department for 4.3.2 GRAVITY BRAKES OPEN - ‘ON’ > 15m guidance MARKERS OF THE VALVE HANDLES AT 45°... -
Page 17: Solar Fluid
C° C° ! WARNING ! If the Grant Solar Pump Station is located in the roof space, there must be a suitable flat surface on which to stand the filling station, e.g. floor, loft boarding or similar, capable of carrying the weight of the filling station with a full tank of Figure 4-3: Flow and return valves open solar fluid. -
Page 18: Filling Procedure
FILLING PROCEDURE 4.6.3 PHASE 3 • Re-open the Filling/Shut-off valve by turning 90° anti- Important: The collectors must be cool before filling the clockwise system. They must be covered to stop solar radiation reaching them, until the filling and commissioning procedure •... -
Page 19: Releasing Trapped Air
6-8 l/min ! NOTE ! 4 x 3 in parallel 22mm 6-8 l/min For larger installations, please contact Grant Technical Department for assistance. ! WARNING ! Danger of scalding! The temperature of both the escaping air and the solar fluid can exceed 100°C. -
Page 20: Fault Finding
5 FAULT FINDING In the event of a problem occurring with your Grant Solar Thermal System, follow the information given below in order to identify and rectify the matter: NO SYSTEM CIRCULATION Check for the following: • Pump is not operating (Refer to Section 5.2) •... -
Page 21: Spare Parts
6 SPARE PARTS C° C° L/min Figure 6-1: Spare Parts Table 6-1: Key to Figure 6-1 Key No. Description Part No. Flow valve assembly (Red) Return valve assembly (Blue) Safety valve assembly (6 bar) Pressure gauge Grundfos Solar UPM3 15-75 Circulating Pump Air separator assembly Fill/flush valve and flow regulator assembly (2-14 L/min) Section 6: Spare Parts... -
Page 22: Notes
Notes Page 22 Notes... - Page 23 Notes Notes Page 23...
- Page 24 GRANT ENGINEERING (UK) LIMITED Frankland Road, Blagrove Industrial Estate, Swindon, SN5 8YG Tel: +44 (0)1380 736920 Fax: +44 (0)1380 736991 Email: info@grantuk.com www.grantuk.com...
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