Mitsubishi Electric QAHV-N560YA-HPB Data Book page 12

1. Product Specifications
3. Flow sensor wiring connection
Connect the wiring by following steps (1) through (4) below.
(1) Open the panel.
Using a screwdriver, remove the SERVICE PANEL and the CONTROL BOX (SUB) cover.
SERVICE PANEL
(2) Thread the wiring into the unit.
C
B
A
(3) Connect the wiring.
Terminal block box
1
2
(4) Close the panel.
Using a screwdriver, re-place the SERVICE PANEL and the CONTROL BOX (SUB) cover.
4. Cautionary notes
Note the following when performing wiring work.
Turn off the power before performing wiring work to avoid electrocution.
Watch for sharp edges of sheet metal.
Keep external wiring at least 5 cm away from wiring that carries 100 V or higher.
Do not bundle the wiring together with strong current wiring.
Connect wiring in a way that minimizes electrical noise interference. Shield the wiring to minimize external effects.
Install the flow sensor indoors, and insulate it as necessary to keep it from being exposed to subzero temperatures.
Keep the wiring and the terminal block dry.
MEES19K001
CONTROL BOX (SUB)
1 Flow sensor
Black
15
14
13
Wiring
(not supplied)
Terminal block
(not supplied)
1 Thread the flow sensor wiring through A in the
figure.
2 Hold the wiring with the cable strap inside
the unit indicated as B in the figure to keep
it out of contact with the pipes and other
components.
3 Thread the wiring through the rubber bush
indicated as C in the figure (second one from
the left).
* Refer to the Installation/Operation Manual of QAHV-
N560YA-HPB for the detailed explanation on how to
open the part indicated as A and how to route the
wiring indicated as B in the figure.
* Perform wiring work for the flow output adjustment
device and the thermistor at the same time.
2 Flow adjusting device
(Reference)
Red
0-10V
White
+10V
Connect the flow sensor
wiring to the terminal block
inside the BOX. The numbers
on the wirings correspond to
the numbers on the terminal
block.
Connect each wiring to the
correct terminal.
When done, hold the excess
wiring with the supplied cable
tie (long).
Also, hold the wirings in
place with a cable tie (long)
where indicated as B in the
figure to keep them out of
GND contact with the pipes and
other components.
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