01-06
Check Item Check contents Judgement Present Status
Number of ref. circuit connected in the network system: ______, Ref. addresses: ______________(00
99)
Transmission line
Transmission line layout
(Between RB unit & IU)
Correct
Not correct
If not correct, pls.
rectify the connection
Correct Layout
Not Correct Layout
Example
-1
Not Correct Layout
Example - 2
Not Correct Layout
Example
-3
RB
From outdoor
unit
To indoor
unit
Reference:
Reference:
(Piping Layout)
Check Item Check contents Judgement Present Status
Number of ref. circuit connected in the network system: ______, Ref. addresses: ______________(00 - 99)
VRF
Network
System
Transmission wire
Outlook
Is it LonWorks compatible?
Yes / No
Maker name?
Wire specification 0.33mm
2
, shield wire
(AWG)
Transmission line
connection points
For cooling only IU
Between RB unit & IU
Must be properly connected (Between RB unit & IU)
RB unit
Tterminal (OUT/U) : X1, X2, Earth
IU Terminal (IN/U) : X1, X2, Earth
Yes / No
For Heat Recovery IU
Between RB unit & IU
Must be properly connected (Between RB unit & IU)
RB unit Ttermina l (IN/U) : X1, X2, Earth
IU Termina l (IN/U) : X1, X2, Ea rth
Yes / No
Between
RB unit & Master OU
Must be properly connected
(Between RB unit & Master OU)
RB unit Terminal (OUT/U) : X1, X2, Earth
Master OU
Terminal (RB/U) : X1, X2, Earth
Yes / No
Between Master OUs
Must be properly connected (Between Master OUs)
Master OUs
Terminal: Z1 & Z2
Yes / No
Between Master OU &
Slave OU or
In between Salve OUs
Must be properly connected (Between Master OU and
Slave OU / Slave OU and Slave OU )
Terminal: H1 & H2
Yes / No
Shield wire connection
Both ends of shield wire must be grounded
Yes / No
Wiring connection Wiring connection per terminal (
2)
Yes / No
OU
RB
IU
IU
IU
IU
RB
OU
RB
IU
IU
IU
IU
RB
OU
RB
IU
IU
IU
IU
RB
OU
RB
IU
IU
IU
IU
RB
RB Gr.
RB Gr.
OU
RB
IU
IU
IU
IU
RB
1-2-5 Transmission wire installation inspection sheet 1/3
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