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13.7 Trial Operation
After installation has been completed, it is of the utmost impor-
tance that trial operation of the Lossnay unit and any external
device such as an air conditioner is carried out.
When power supply is supplied to the remote controller the [HO] display will flash (for approximately 40 seconds); following this,
the system will switch to operation-start mode.
Relevant
button
1
2
3
4
5
Note that when the Ventilation Mode selector button is pressed, it will take up to 40 seconds before the operation of the
damper changes accordingly.
If an inspection number should be flashed, refer to the following
table and take the required action.
Inspection
number
The SW2 trial-operation switch from the Lossnay
0900
unit's controll box is On.
If two or more Lossnay units are currently being used
together, this number will indicate that the correct set-
ting has not been performed using the units' Main/Sub
switches.
If two remote controllers are currently being used
together, this number may indicate that one of these
6608
controllers is not connected.
If two remote controllers are used together, this num-
ber may indicate that both of these controllers are not
set automatically when the power supply is turned on.
Multi-core cable has been used in place of a number
of signal wires.
A circuit abnormality has occurred in the Lossnay unit.
4000
A breakdown has occurred in the Lossnay thermo (OA side).
5101
A breakdown has occurred in the Lossnay thermo (RA side).
5102
A breakdown has occurred in the damper motor.
3602
Relevant display
items
AUTO
BY-PASS
HEAT EX.
Cause
Initiate the supply of power to the Lossnay unit. (The [HO] display will
flash for approximately 40 seconds)
Press the ON/OFF button. The Operation lamp will turn on and the
Lossnay unit will begin to operate.
Press the Function selector button: Each time it is pressed, the corre-
sponding display will change in accordance with the sequence [HEAT
EX.] (non-automatic) → [BY-PASS] (non-automatic) → [AUTO].
Press the Fan Speed Adjustment button to toggle between Low and
High.
Press the Operation switch. The Operation lamp will turn off and the
Lossnay unit will stop operating.
Turn off the trial-operation switch. (refer to page 169)
Turn off the power supply and use the Main/Sub switches
to specify one Lossnay unit as the Main and the others as
Sub. Following this, turn the supply of power back on.
Note that all Lossnay units are specified as Main before
shipment from the manufacturing plant. (refer to page 164)
Turn off the power supply, connect the remote con-
troller, and turn the power supply back on.
(refer to page 174)
Turn off the power supply and turn the power supply
back on.
Switch back to the use of standard wiring and install
each signal wire separately.
Turn off the supply of power and contact the retail out-
let from where this product was purchased for further
instructions.
Sequence
Required action
175
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