Rinnai REU-2018W Service Manual page 11

Connecting remote control cables
Do not attempt to connect the remote control cable terminals to the appliance with the
power on.
Connecting One or Two Controllers
1. Isolate the power supply.
2. Remove the front cover from the Appliance (4 screws) fig. 1.
3. Thread the cable(s) through the cable access hole at the base of
the appliance.
4. Locate the terminals for controls, the position of which is marked on
the Printed Circuit Board casing. Connect the space connectors to
the terminals on the P.C.B. (Fig. 2). Polarity is not important. Either
wire colour can be connected to either terminal.
5. Replace cover of the Appliance. Ensure that the special screw is
placed at the bottom right hand corner for earthing purposes.
Connecting Three Controllers
1. Isolate the power supply.
2. Remove the front cover from the Appliance (4 screws) fig.1.
3. Cut the spade connectors from 2 of the controller cables to be
connected to the appliance (4 spade connectors should be cut off)
and discard. Connect the wires from these two cables and
terminate into two new spade connectors as shown in fig.3. Spade
connectors are available from your local electrical component
retailer.
4. Located the terminals for controls, the position of which is marked
on the Printed Circuit Board casing. Connect the 4 spade
connectors to the terminals on the P.C.B. (Fig. 2). Polarity is not
important. Either wire colour can be connected to either terminal.
5. Replace cover of the Appliance. Ensure that the special screw is
placed at the bottom right hand corner for earthing purposes.
MC-91A Controller Programming
Is there a label on the appliance casing that contains the text.
"THIS APPLIANCE DELIVERS WATER NOT EXCEEDING 50° C
IF YES:No further action required.
IF NO: You will need to program Kitchen controller to enable selection of
temperatures higher than 50º C.
STEP 1:
For the controller in the KITCHEN only, press and hold the 'Transfer'
and 'On/Off' buttons simultaneously (see Fig 7.) until a 'beep' is heard
(approximately 5 seconds).
STEP 2:
When the controller fitted in the KITCHEN is switched on, it should be
possible to select temperatures higher than 50º C. If not, repeat Step 1.
Note:
• If the kitchen controller is replaced, repeat STEP 1 above for the replacement controller.
• If the kitchen controller is swapped with another controller (for example, the controller fitted in a
bathroom), repeat STEP 1 for the controller moved from the kitchen to the bathroom. Then perform
STEP 1 for the controller moved from the bathroom to the kitchen.
Infinity REU-2425W
RISK OF ELECTRICAL SHOCK
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fig.1.
Issue 2 - 5/07/04 ©Rinnai