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4. Installation
4-1. PU(H)-7,8,10
4-1-1. Install
Accessory assy 1
Wiring sticker Earth stickerScrew
Connector cap Spring
Connector assy
Grommet
Accessory assy 2Accessory assy 1
Use
Not
use
Attachment Attachment
Insert the thermistor
Thermistor Thermistor holder
Spring
ONLY PU(H)-7,8,10
Accessory assy 2
Attachment Pipe cover
Band
11
1
19
Screw
3
1
11131532
Accumulator
Compressor
Thermistor
holder position
Thermistor position
Wiring sticker
1. The service panel and control box
cover are removed.
Service panel
Control box cover
2. Penetrate the knockout holes at
the pillar L.
The grommet (2 pieces)
install to the hole for wiring
in the pillar L.
Pillar L
Grommet
Wiring hole
3. The attachment (3 pieces)
install to the unit with the
screw (6 pieces).
5. Confirm the thermistor holder position.
The spring insert in the thermistor holder.
The thermistor (black wiring) which is connected to the fan controller
is put in the holder.
Install to
the top panel.
(Screw 2 pieces)
Install to
the pillar L.
(Screw 1 piece)
Fan
controller
Thermistor wiring
only
4. Wiring from the fan controller is passed through the hole of procedure 2.
The thermistor and other wiring should use separate wiring hole.
The fan controller install to the attachments with the screw (3 pieces).
Other wiring
Thermistor wiring
only
Other wiring
7. The earth sticker and wiring sticker are put on the following place.
1. The earth sticker is put on the top panel.
2. The wiring sticker is put on the control box cover (inside).
Unit wiring
sticker
Put a wiring stickerPut a earth sticker
Fan controller
wiring sticker
Control box
cover
Earth sticker
Fan
controller
Fan
controller
1. The wiring from the printed circuit board CN04 is pulled out.
(In case of PU-7,8,10 only)
CN04
Fan controller inside
2.
Disconnect connector C11 - C11 and C21 - C21.
The connector C11 and C21 remove to the
motor side and the control box side.
F/C N
Control box
MF2
MF3
Terminal block
C11
C11
C21
C21
3. Cover the connector C11 (control box side) is cap with the connector cap .
The connector assy connect as shown in the figure below.
When it is connected, the connector is connected in the control box.
The wiring from CN04 connect to the terminal block (F/C, N)
in the control box. (In case of PUH-7,8,10 only)
Connector assy
Connector cap
CN04
UVW L1 L2L3
Fan controllerControl box
MF2
MF3
Terminal
block
C11
C11
C21
C21
This wiring is
PUH-7,8,10 only.
Please be careful, do not damage wires by the sheet metal edges or the fin, etc.
pull out
6. Please use the pipe cover (1 piece) and fix with the band (2 pieces).
4-1-2. Wiring
4. After connect wiring, to prevent wiring being damaged with the fin,
the pipe cover (2 pieces) and band (4 pieces) are used.
In that time, never bundle the thermistor wiring with other wiring.
Fan
controller
Thermistor
wiring only
Other wiring
Pillar L
Control box
Comp cover
Band
Pipe cover
Thermistor
wiring only
Other wiring
5. After wiring ends, the wiring is bundled with a remaining band.
Never bundle the thermistor and other wiring together.
6. Ensure there is not wiring mistake found, then only install the controller
box cover and service panel.
Attachment
Please use the following parts during installation of fan controller.
There are two kinds of wiring sticker, please use writing as "ONLY PU(H)-7,8,10".
Pipe cover Band
Pipe
The thermistor wiring is
bundled as follows before
the pipe cover is installed.
F/C N