Rinnai MC-503RC Installation And Operation Manual

Wireless water controller

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MC-503RC Installation and Operation Manual
Before starting, to avoid damage to electrical components, switch off
and remove the power plug of the water heater.
Do not fix or permanently attach either the transceiver or controller
until you have tested that both are working correctly.
Rinnai Wireless Transceivers can be connected to the water heater models listed by the end
user in accordance with these instructions. A licensed tradesperson is not required. A licensed
tradesperson is only required if connecting more than 2 cables. This installation would normally
be a wired/wireless installation, where more than 1 wired controller is fitted in combination
with a wireless controller.
Please retain this manual for future reference.
Rinnai New Zealand
WIRELESS WATER
CONTROLLER
Suitability
Water Heater
On/Off
Temp. Volume
Max Temp.
Maintenance
Entry
Controllers
MC
No. 1
No. 2
No. 3
NOT compatible with Rinnai MC-502RC Wireless
Controllers and Transceivers.
Suitable for the following Rinnai continuous
flow water heaters with Quick Connect cable
connector and controllers:
Rinnai Infinity XR models
Rinnai Heavy Duty models
Rinnai Efficiency models
Compact Controller
Deluxe Kitchen
Deluxe Bathroom
Wireless Installation and Operation: C 03-09

MC-91 (Universal)
MC-100V
MC-BC-100V

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Table of Contents
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Summary of Contents for Rinnai MC-503RC

  • Page 1 Do not fix or permanently attach either the transceiver or controller until you have tested that both are working correctly. Rinnai Wireless Transceivers can be connected to the water heater models listed by the end user in accordance with these instructions. A licensed tradesperson is not required. A licensed tradesperson is only required if connecting more than 2 cables.
  • Page 2 3 below, Rinnai New Zealand Limited supervising gas fitter’s registration number (“Rinnai”) will, at its own discretion, either and the gas fitting certification number. replace or repair any defective product at 4. This warranty commences from the date of no charge to the customer.
  • Page 3: Table Of Contents

    WARNING Improper installation, adjustment, alteration, service or maintenance can cause property damage, personal injury or loss of life. For assistance or additional information contact Rinnai on 0800 RINNaI (0800 746 624). Rinnai New Zealand Wireless Installation and Operation: C 03-09...
  • Page 4: Before Installation

    Up to 2 BC-100V (Bathroom Deluxe) water controllers can be fitted • a MC-503RC or MC-91 must be the fourth water controller in any installation When installing combinations of both wired and wireless controllers, all wired water controllers must be connected BEFORE the wireless water controllers are assigned to a transceiver channel.
  • Page 5: General Information

    It may be necessary to locate the transceiver in a central location inside the building. For such locations extended lengths of communication cable are available from Rinnai. alternatively double insulated flex with a minimum area of 0.5 mm may be used.
  • Page 6 Water controllers and transceivers do not contain serviceable parts and must only be serviced and repaired by an authorised Rinnai Service Centre. Water resistance The MC-503RC Wireless Water Controller is a water resistant device, however excessive exposure to water may result in damage to the controller. •...
  • Page 7: Wireless Controller Batteries

    • use different types of batteries at the same time • heat or expose to flame • take apart or short circuit • attempt to recharge alkaline batteries Rinnai New Zealand Wireless Installation and Operation: C 03-09...
  • Page 8: Quick Start Instructions

    Following remaining programmed sequence as shown below. Repeat from step 6 for any remaining wireless controllers. Press once Press approximately 3 seconds Press once to start the tuning process, this takes approximately 5 seconds Press once Rinnai New Zealand Wireless Installation and Operation: C 03-09...
  • Page 9: Communication Cable

    Return Quick Connect cable connector to original position taking care not to damage cable wires in the process and replace retaining screw. Positioning of various components pictured may differ depending on the water heater model Rinnai New Zealand Wireless Installation and Operation: C 03-09...
  • Page 10: Transceiver Installation 0

    Push adhesive surface to the side of the water heater in the (mm) desired location. Press the transceiver into the side of the water heater for a couple of seconds. Rinnai New Zealand Wireless Installation and Operation: C 03-09...
  • Page 11: Wireless Water Controller Installation

    Installing multiple wireless water controllers To install subsequent wireless water controllers, repeat steps 1 - 6 for each additional controller. Screw transceiver cover in place once all wireless controllers are installed. Rinnai New Zealand Wireless Installation and Operation: C 03-09...
  • Page 12 DO NOT use powered tools to tighten fixings. Slide the wireless water controller back to its wall mounting bracket 81.7 31.5 13.8 (mm) 66.6 Rinnai New Zealand Wireless Installation and Operation: C 03-09...
  • Page 13: Wireless Water Controller Operation 3

    °C. For safety reasons is cannot be raised above 43 °C until all hot water taps are closed. If the water heater is turned off while hot water taps are on, it can not be turned back on until all the hot water taps have been turned off. Rinnai New Zealand Wireless Installation and Operation: C 03-09...
  • Page 14 When the water heater is turned off while the child lock is activated, it can not be turned on again from a controller where the child lock is activated • Child lock is deactivated during a battery change or when batteries fail Rinnai New Zealand Wireless Installation and Operation: C 03-09...
  • Page 15 BC100V or MC91 (not programmed as a master controller) will automatically be assigned to an available channel other than the MC channel • Install the wireless water controllers to any unassigned channels following steps outlined on page  Rinnai New Zealand Wireless Installation and Operation: C 03-09...
  • Page 16: Troubleshooting

    Troubleshooting The Rinnai continuous flow water heaters have a self diagnostic capability. If a fault occurs, an error code will flash on the digital monitor of your water controllers. Error Code Fault Remedy ‘Out of Range’ due to distance from Move controller, transceiver or obstruction.

Table of Contents