Clearing The Wireless Trv System Id - heat-timer TRV Installation And Operation Manual

b. Press and hold the System ID Set/Reset button (2) on the MSI Hub for 5 seconds or until the red LED starts blinking.
c. Hold the Wireless TRV close to the MSI Hub, then connect the 9V Battery Pack (Heat‐Timer p/n 904292‐00) to the RJ11
jack (3) on the Wireless TRV.
d. Observe the red and green status LEDs (4). When the LEDs stop blinking, the TRV is programmed and ready to install.
NOTE: If the red LED remains lit for more than 20 seconds, the Wireless TRV has already been programmed with a
System ID. The System ID must be cleared before proceeding. Refer to "Clearing the Wireless TRV System ID" on page 7.
e. Disconnect the battery pack from the Wireless TRV. Repeat this procedure for any additional Wireless TRVs.
f. After the System ID has been programmed on all Wireless TRVs, press the System ID Set/Reset button on the MSI Hub to
return the device to normal operation.
g. Continue with "Mounting the Wireless TRV" on page 8.
• Manually Program the System ID using the Hand‐Held Wireless Programmer
NOTE: Use this procedure to program the System ID in a system that is not self‐addressing.
a. On the Wireless TRV, locate the DIP switches (1) and disable auto‐addressing by placing switch 4 in the "on" position.
b. Connect the Hand‐Held Wireless Programmer to program the System ID and Net Address. Refer to the Hand‐Held
Wireless Programmer manual for information.
c. Continue with "Mounting the Wireless TRV" on page 8.
Clearing the Wireless TRV System ID
NOTE: This procedure is only necessary if installing a Wireless TRV that already has the System ID set.
1. Disconnect power from the Wireless TRV (disconnect the black MSI RJ11 communications cable or the 9V Battery Pack).
2. Press and hold the Send Packet Button (1) on the Wireless TRV. While holding the button, reconnect power to the Wireless TRV.
3. Continue holding the button until the red and green LED start blinking together. The System ID has been cleared.
4. Return to Step 2 on page 6 to reprogram the System ID on the Wireless TRV.
Heat‐Timer Corp.
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Installation Instructions 7
059052-00 Rev. F