Polyaire airtouch, Installer Manual

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48
Commissioning Notes
1. Wire AirTouch 4, gateway and AC indoor as per diagram in the drawing and
leave the dipswitches on the gateway at their default position. Make sure all
wires are connected properly.
2. Set positions 2 and 3 of S1 on the gateway as per the table below according to
the indoor fan speeds:
Switches of S1 [1 2 3 4] Binary Value Description
x off off x x00x Indoor unit has 1 Fan Speeds
x off on x x01x Indoor unit has 2 Fan Speeds
x on off x x10x Indoor unit has 3 Fan Speeds
x on on x x11x Indoor unit has 4 Fan Speeds
3. Initialise the AC Unit with MHI AC Wall Controller connected. The MHI wall
controller can be wired to X and Y terminals in parallel with the gateway.
If the MHI wall controller is not going to be used after commissioning and the
return air sensor is used for AC temperature control:
Turn off power and disconnect the AC Wall Controller from AC Indoor Unit, and
set position 1 of S1 on the gateway to ON (1). Then restart the AC and gateway
first and then power up AirTouch 4. Or power them up at the same time.
4. If AirTouch 4 sensors are used for AC temperature control:
Go to AirTouch 4 AC setting and choose the proper sensor from the Control
Thermistor list on AC setup.
MHI gateway firmware versions:
V0.13 and below will not work RC-EX3
V0.14 and higher works with RC-EX3
(657216) Commissioning notes
Wiring Diagrams contd.