Mitsubishi Electric LGH-250RVXT-E Handbook page 14

Lossnay energy recovery ventilator
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3 Monitor output signal cable
No.
1 Is the signal cable wired by multicore cable?
2 Are the signal cables and transmission cables wired
in the same piping duct?
3 Is the power supply cable wired at least 5 cm away
from signal cables?
4 Is the signal cable connected to the designated
terminal block? (See Table 3-1.)
5 Is the signal cable incorrectly wired, is there a faulty
connection or are screws loose?
6 Is the output capacity of the signal cable within rat-
ing? (See Table 3-1.)
7 Is the function selection for the external output
signal set correctly?
Table 3-1 Monitor Output Specifications
Terminal block
Function Name
Signal specifications
Output rating
Min. applicable load
4 Function setting (See the Lossnay technical manual for details.)
No.
1 Is the main Lossnay set correctly?
2 Are the function selection switches on the circuit
board set correctly to suit the required application?
3 Is the applicable model used as the Lossnay re-
mote controller?
4 When PZ-61DR-E is used, are the function selec-
tions set correctly to suit the required application?
5 Was a function set with the function selection
switches on the circuit board after the function is set
with PZ-61DR-E?
6 Is the Lossnay address set correctly?
Check Item
TM3 9 0
Operation monitor
Malfunction monitor
220 V AC, 100 mA
Check Item
Wire the cable using a 2-core cable.
Wire the signal cables away from the transmission
cables.
Wire the power supply cable at least 5 cm away
from the signal cables.
Connect the signal cable to the designated terminal
block.
Connect the cable securely and correctly, and
tighten the screws firmly.
Use the signal cable within rating.
Set the function selection switches (SW2-8, 5-2,
and 5-6) on the circuit board correctly.
Set the function settings (No. 57 and 58) of PZ-
61DR-E correctly.
(See the Lossnay technical manual.)
TM3 8 0
Bypass monitor or
Volt-free contact
240 V AC, 1 A
24 V DC, 1 A
5 V DC, 100 mA
Check the function selection switch (SW5-10) on
the circuit board.
When an external signal is input to multiple Lossnay
units, set one of the units in the group as the main
Lossnay (SW5-10 ON).
Set the function selection switches (SW2 and SW5)
on the circuit board correctly.
Use PZ-61DR-E or PZ-43SMF-E.
(The air conditioner remote controller including
PAR-31MAA cannot be used.)
Set the function selections correctly.
Set the function again with PZ-61DR-E.
For the function that can be set with both PZ-
61DR-E and the function selection switches, if the
function is set to other than "DIP-SW priority" with
PZ-61DR-E, setting with the function selection
switches is disabled.
Set the address setting switches (SA1 and SA2)
correctly.
─ 14 ─
Corrective action
TM3 70
Pre-heater
Corrective action

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