RUTLAND HRSi CHARGE REGULATOR
RUTLAND HRSi
CHARGE REGULATOR
INSTALLATION &
OPERATION
Doc No: SM-346 Iss A 07.01.08
HRSi Charge Regulator
Installation & Operation
Congratulations and thank you for purchasing Marlec’s new HRSi
Charge Regulator. This product has been introduced as the latest
technology for voltage regulation of small wind turbines and solar
panels. You may have ordered the previous model, the HRS, and we
have substituted this with the new HRSi type regulator to give you
improved performance and simpler installation. We are confident
that you will be fully satisfied with this product and if you have any
questions please contact your local dealer.
WARNINGS!
Never disconnect the battery from the system without first switching
off the charge current by moving the Charge/Stop switch to the Stop
position. Note that even a momentary disconnection that may occur
when applying a changeover or similar switch between batteries can
cause system damage. It is therefore necessary to operate the stop
switch on the HRSi prior to any other switching.
To avoid damage from any potential surges from other charge
sources always move the Charge/Stop switch to the Stop position
before starting, e.g. an engine or mains battery charger. Once
running the Charge/Stop switch can be moved back to the Charge
position. In high levels of auxiliary charge the HRSi may enter
regulation mode.
Never connect an open circuit running wind turbine to the regulator,
ensure the turbine is stationary and the Charge/Stop switch is in the
Stop position before connecting.
If a solar module or array exceeding 160W is to be used, it must be
regulated using a separate regulator & not connected through the
HRSi.
Doc No: SM-346 Iss A 07.01.08
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Marlec Engineering Co Ltd
HRSi Charge Regulator
Installation & Operation
INTRODUCTION
Please read and understand these instructions before installing the regulator.
The HRSi Charge Regulator is designed for regulating the charge current to a single
battery bank from any one of the Rutland 503, 913, FM910-3 or 914 Windchargers plus
a solar array up to 160W maximum. An internal blocking diode allows connection of
additional charge sources (e.g. engine alternator, mains charger) to the system.
Note: Additional charge sources must be connected directly to the battery and not to
the input of the HRSi regulator.
The HRSi protects batteries from overcharge, avoiding the loss of electrolyte through
gassing and prolongs battery life. This also helps protect other electronic equipment from
damage due to high battery voltage.
The HRSi can be used on 12 or 24v systems & will automatically configure itself for the
system voltage when the correct connection sequence is observed. Temperature
compensation & multi stage charging features ensure the optimum charge regime for
your battery. A built in switch enables the charge current to be switched off & the wind
turbine to be stalled during installation/maintenance.
PRINCIPLE OF OPERATION
The HRSi uses multi stage charge regulation to ensure optimum charging of your battery.
During the Bulk/Absorption phase, the unit controls all available wind/solar power to
ensure the batteries are fully charged as quickly as possible. Following a full charge the
Float phase ensures charge is maintained while minimising gassing & maximising battery
life. Discharging the battery will re-trigger the Bulk/Float cycle. Battery charge voltage
levels are automatically adjusted for the ambient temperature to always ensure optimum
battery charging. During regulation of charging current the Charge/Reg LED on the front
of the unit will light Red or Amber & the wind turbine will be seen to slow down.
LED1
LED2
Charge/Stop
Switch
Doc No: SM-346 Iss A 07.01.08
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Marlec Engineering Co Ltd
HRSi Charge Regulator
Installation & Operation
Unless stated otherwise when ordered, the regulator is programmed in accordance
with table 1. This setting is suitable for lead-acid, absorbed glass matt and most gel
batteries. (Check the max voltage rating for the battery before wiring your
system). If the regulator is to be used with any other battery type e.g. Nickel
Cadmium and some gel types, the regulator may require re-programming according to
the battery manufacturer’s recommendations.
Table 1
Nominal Battery Voltage
Max Voltage (Float) Max Voltage (Bulk)
12
13.8
14.4v
24
27.6
28.8v
* voltages stated above are at 25°C, these will be automatically adjusted for different
ambient temperatures.
LED1 Indicates the mode of operation, either charging or regulating or both.
Green
All available power from both the wind and solar inputs is
charging the battery.
Amber
The HRSi is regulating the charge current to the battery, current
is still flowing into the battery but at a reduced level.
Red
The HRSi is in fully regulating mode & no charge current will
be flowing into the battery. The wind turbine will be running at
a slow idle speed.
LED2 Indicates the approximate battery voltage
Green
Battery voltage is above 13v (26v)
Amber
Battery voltage is between 12v & 13v (24v & 26v)
Red
Battery voltage is below 12v
Flashing Red – Warning battery voltage is very low. Loads should be switched off
Charge/Stop Switch
All charge current switched off, wind turbine in stall mode.
Refer to Warnings section with reference to battery
disconnection and other system switches.
Charge mode
Doc No: SM-346 Iss A 07.01.08
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Marlec Engineering Co Ltd
HRSi Charge Regulator
Installation & Operation
INSTALLATION
Mounting
• Choose a suitable location for the regulator within a maximum run of 1.5m of cable
from the battery. Mount the regulator to a vertical flat, surface via the mounting
holes provided. Ensure the ventilation slots are not obstructed.
Electrical Connection
• Select suitable wiring and connectors for the interconnections that are capable of
continuously carrying 10Amps minimum.
• Keep wiring lengths to a minimum to eliminate unnecessary voltage drop,
maximum cable length between regulator and battery should be 1.5m to ensure
accurate voltage sensing.
• Ensure that the wind generator is restrained from turning, solar panels are
covered, the Charge/Stop switch is in the Stop position, all other charge
sources are switched off and the battery cables are not connected to the
battery before connecting the regulator to the system. Ensure correct polarity
is observed at all times during connection. Failure to do this at time of
installation and on subsequent disconnection and reconnection may
irreparably damage the regulator, invalidating the warranty.
• Follow the basic wiring diagram overleaf. Connect wires to the appropriate
terminals on the regulator. If a solar array is connected ensure the appropriate
blocking diodes are fitted to each solar module.
Commissioning
• Connect the wires to the battery. It is important that this is the first live connection
to allow the regulator to measure the battery voltage when first connected, to
determine the system voltage.
• Uncover the solar modules & remove the restraint from the wind turbine.
• Move the Charge/Stop switch to the Charge position.
Doc No: SM-346 Iss A 07.01.08
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Marlec Engineering Co Ltd
HRSi Charge Regulator
Installation & Operation
WG WIND GENERATOR
TYPES: 503,
913, FM910-3 OR 914
HRS-2 CHARGE
REGULATOR
-
PV -SOLAR MODULE
MAX 160W.
BLOCKING DIODE
MUST BE FITTED!
+
-
+
BATTERY
BAT-
BAT+
PV-
PV+
WG-
WG+
Fig 2. Basic wiring schematic – Windcharger + Solar Module + HRSi Regulator
Fig 3. Terminal identification
Doc No: SM-346 Iss A 07.01.08
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Marlec Engineering Co Ltd
HRSi Charge Regulator
Doc No: SM-346 Iss A 07.01.08
Installation & Operation
7
Marlec Engineering Co Ltd
HRSi Charge Regulator
Installation & Operation
LI M I T E D W A R R A N T Y
The Marlec Engineering Company Limited Warranty provides free replacement
cover for all defects in parts and workmanship for 12 months from the date of
purchase. Marlec's obligation in this respect is limited to replacing parts which
have been promptly reported to the seller and are in the seller’s opinion defective
and are so found by Marlec upon inspection. A valid proof of purchase will be
required if making a warranty claim.
Defective parts must be returned by prepaid post to the manufacturer Marlec
Engineering Company Limited, Rutland House, Trevithick Road, Corby,
Northamptonshire, NN17 5XY, England, or to an authorised Marlec agent.
This Warranty is void in the event of improper installation, owner neglect,
misuse, damage caused by flying debris or natural disasters including lightning
and hurricane force winds. This warranty does not extend to support posts,
inverters, batteries or ancillary equipment not supplied by the manufacturer.
No responsibility is assumed for incidental damage. No responsibility is assumed
for consequential damage. No responsibility is assumed for damage caused by
the use of any unauthorised components.
No responsibility is assumed for use of a non "furling" versions of the Rutland
Windcharger where Marlec or one of its authorised agents finds that a generator
incorporating a furling device should have been used.
Manufactured in the UK by
Marlec Engineering Co Ltd
Rutland House,
Trevithick Rd,
Corby, Northants,
NN17 5XY UK
Tel: +44 (0)1536 201588 Fax: +44 (0)1536 400211
Email: [email protected]
www.marlec.co.uk
Doc No: SM-346 Iss A 07.01.08
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Marlec Engineering Co Ltd
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