HRS Owners Manual
RUTLAND HRS
CHARGE REGULATOR
INSTALLATION &
OPERATION
Models:
HRS503/12 12v
HRS913/12 12v
HRS913/24 24v
Document No. SM-318 Issue: A
HRS Charge Regulator
Installation & Operation
Congratulations and thank you for purchasing Marlec’s new HRS
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 SR200 Shunt
Regulator, and we have substituted this with the new HRS 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.
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HRS Charge Regulator
Installation & Operation
INTRODUCTION
Please read and understand these instructions before installing the regulator.
The HRS503 and HRS913 Charge Regulators are designed for regulating the charge
current to a single battery bank from the Rutland 503, 913 or FM910-3 Windcharger
plus solar array up to 100w maximum. Ensure the regulator selected corresponds to
the type of windcharger used. An internal blocking diode allows connection of
additional charge sources (e.g. engine alternator, mains charger).
Note: Additional charge sources must be connected directly to the battery and not
to the input of the HRS regulator.
The HRS 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.
PRINCIPLE OF OPERATION
The HRS constantly monitors the battery voltage and when the pre-set cut-in level is
reached (see table 1.) tapers the charge current down until no charge current is flowing
into the battery. The regulator will be fully on (ie no current flowing into the battery)
at approx 0.5v above the initial cut-in voltage. The regulator achieves this by shunting
excess current and slowing the generator, reducing it’s output. The charging /
regulating LED indicator on the front of the unit will light red/amber when the
regulator cuts in.
LED indicates:
Green : Charging
Amber : Charging & regulating
Red : Regulating
LED indicates Battery Voltage:
Green : >13v (>26v)
Amber : 12v – 13v (24v – 26v)
Red : < 12v (< 24v)
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HRS Charge Regulator
Installation & Operation
Unless stated otherwise when ordered, the regulator is set 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-setting according to the battery manufacturer’s
recommendations.
Nominal Battery Voltage
12
24
Table 1
Cut-in Voltage
13.8
27.6
Max Voltage
14.4v
28.8v
INSTALLATION
Ensure the voltage indicated on the label on the HRS is correct for your battery
system and the correct model of regulator is used for the type of windcharger.
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 flat, surface via the two mounting
holes provided. Ensuring the aluminium plate and screw heads on the back of the
unit cannot touch anything metallic which may be connected to ground or other
system potential.
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, and all other charge sources are switched off 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 (Fig 2, or 3 overleaf) as appropriate.
• Connect the regulator BLACK lead to the battery and charge source negative.
• Connect the regulator BROWN lead to the charge source positive lead.
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HRS Charge Regulator
Installation & Operation
• Connect the regulator RED lead to the battery positive via the charge fuse.
HRS CHARGE
REGULATOR
WIND
GENERATOR
TYPES:
913, FM910-3
OR 503
RED
BROWN
BLACK
BLACK
RED
CHARGE FUSE
-
+
BATTERY
Fig 2. Basic wiring schematic – Windcharger + HRS Regulator
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HRS Charge Regulator
Installation & Operation
HRS CHARGE
REGULATOR
WIND
GENERATOR
TYPES:
913, FM910-3
OR 503
SOLAR MODULE
MAX 100w
BLOCKING DIODE
MUST BE FITTED
RED
BLACK
RED
BROWN
BLACK
BLACK
RED
CHARGE FUSE
-
+
BATTERY
Fig 3. Basic wiring schematic – Windcharger + HRS Regulator + 100W Solar Module.
Note: If a solar module or array exceeding 100w is to be used, it must be
regulated using a separate regulator.
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HRS 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
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