PUHY-YMC
Contents
Before getting installed
Safety precautions
Before installation and electric work
Before getting installed moved electrical work
Before starting the test run
Combination with indoor units
Confirmation of parts attached
Outdoor unit configuration
Selection of installation site
Model Name Connecting pipe Elbow Shape
Variable capacity unit Constant capacity unit
Individual installation
When inlet air enters from right and left sides of unit
When there is an obstruction above the unit
Space required around unit
Be very careful to carry product
Lifting method and weight of product
Collective installation and continu- ous installation
Installation of unit
Installation
Example of collective installation
Location of anchor bolt
Connecting direction for refrigerant piping
Down piping and down wiring precautions
60/61 dB A-weighted
Noise level
Snow and seasonal wind
Countermeasure to seasonal wind
PUHY-400/500YMC
PUHN-200/250YMC
Never perform a pump down. This will damage the compressor
Refrigerant piping installation
Areas of caution
Refrigerant piping system
+ α
Multiple line/header
Precautions concerning piping connection and valve operation
For variable capacity unit
Gas side Liquid side Oil balance side
Figure shows valve fully open
50 to 57.5 / 500 to
75 to 750 to
100 to 1000 to Tightening angle standard Pipe diameter mm
60 to
Oil balance pipe connection method
Distributor gas connection method
Part could be damaged if not cooled sufficiently
How to install branch pipe
Joint
Restrictions on the posture for attaching joints
Gram below
Evacuation
Airtight test and evacuation
Airtight test
No heat insulation must be provided for electric wires
Thermal insulation of refrigerant piping
Penetrations
Inner wall concealed Floor fireproofing
Electrical work
Constant capacity unit
Control box and connecting posi- tion of wiring
Variable capacity unit
For details, see item 11.3. Wiring transmission cables
Plate
Hole
Transmission booster optional
Wiring transmission cables
Connecting a transmission booster
Wiring examples
Name, code and possible unit connections
Wiring method, address setting
Remote control RC terminal block TB6
One remote control unit for each indoor unit
Within Address Unit Remote control operation Same as above
For details, see wire connection example C
Wiring Line
Same group to the remote control RC terminal block TB6
Unit Range Setting method
Main remote controller
Extended length and the length to the most remote unit
Capability Number of connected indoor units that can be
Wiring
Booster RP
Wiring of main power supply and equipment capacity
Operation procedure
Test run
Checking before getting test run
Test run method
How to cope with test run abnormality
Abnormality
6603 Transmission error Transmission route Busy Error
Power on
Display at LED lighting blinking Remarks Flag Relay output
Flag 8 always lights
Coping with remote controller abnormality
Following phenomena do not represent abnormality emergency
NMK
Nknk
Nkok
NKPK#$%&*+
Nkqk
#$%&*+#,%&- ./0123145&6789#$%&=?@. !#
Sknk
Skok
#$% +,-.Ü
TK=
Uknk
Ukok
Ukpk Ukqk
Vkok
NMK=
Nmknk =
NMKOK=
$%&*+,-./01
#$%&*+QMã
NMKPK=L
NMKQK=
Ãã ! k·ãLâÖJÅã
#$%&#*#%+, -. !*#
NMKRK=
NMKSK=
#$%& *+& 012345678 .#$%&*+,-./0 1$%#234
NNK=
NNKNK=
NNKOK=
NNKPK=
Rsrv
#$% +,-./012
NRO
#$% +,-./0/12`kQN
=EqRF= !# $%&*+
NNKQK=
Vwt
NOKNK=
NOKOK=
NOKPK=
EptNF EibaF
NOKQK=
Nokrk
`ççäáåÖ EÉ~íáåÖ
NMK
Nknk
Nkqk
#$%&!*+
Sknk
Skok
TK=
Ukok
Ukpk Ukqk
Vkok
NMK=
NMKOK=
#$%&*+QMã
NMKPK=L
NMKQK=
#$%&#*#%+, -. !*#
NMKRK=
NMKSK=
#$%& *+& 012345678 .#$%&*+,-./0 1$%#234
NNK=
NNKOK=
NNKPK=
#$% +,-./012
NRO
#$#%&* +,-./0123456
=EqRF= !# $%&*+
NNKQK=
NOK=
NOKPK=
EptNF EibaF
NOKQK=
Nokrk
WT02922X02