Press and hold 'BOOST' and 'ENTER' buttons to 'SIGN ON or 'PAIR' the HRT4-ZW thermostat.
Stage 1A - only used if ‘L’ is displayed instead of ‘I’
1) Turn the dial of the HRT4-ZW until the letter P appears in the display.
2) Press the dial twice and PP should appear in the display.
3) Turn the dial until the letter ‘I’ appears in the display and return to the main
instruction.
Under normal circumstances the HRT4-ZW thermostat and CentaurPlus C17 ZW will
be ‘paired’ easily by following the procedure shown under Stage 1 of the pairing
instructions.
Only use Stage 2 if a radio link cannot be successfully established between the two
devices.
Stage 2 - only used if above procedure does not establish a successful
communication link
1) Turn the dial of the HRT4-ZW until the letter P appears in the display.
2) Press the dial twice and PP should appear in the display.
3) Now turn the dial until letter E appears in the display.
4) Press the dial once and the display should flash ‘E’.
5) Press and hold the ‘Boost’ and ‘Enter’ buttons on the CentaurPlus ZW.
6) Turn the thermostat dial until ‘I’ appears in the display and return to the main
instruction.
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