Daikin VRV - Page 19

Piping and Electrical Wiring Guide
Branch Selector Box Connections
19
Liquid
L
Suction Gas
S
Hi/Lo Gas
HL
Single-Port Boxes
Pipe reducers are provided with each box
for when the connection does not match
the required pipe size (either upstream or
downstream). DO NOT DISCARD any
accessory until it is clear they are not
required
BSQ36
BSQ60
BSQ96
DAIKIN SUPPLIED REDUCERS
S
HL
L
Multi-Port Boxes
S
HL
L
Single & multi-port box pipe orders differ
All piping on BS boxes are female connectors
UPSTREAM
(to ODU)
Cut first for
3/8” 5/8”
Connect as is
for 1/4” 1/2”
Local pipe
DOWNSTREAM
(to IDUs)
Model Suction Hi/Lo Gas Liquid
BS4Q54 7/8" 3/4" 3/8"
BS6Q54 1 1/8" 3/4" 1/2"
BS8Q54 1 1/8" 3/4" 1/2"
BS10Q54 1 1/8" 1 1/8" 5/8"
BS12Q54 1 1/8" 1 1/8" 5/8"
NOTE: Any pipe
reducers required
on the ODU side
are field supply
If connecting pipe is ”
”
CUT THE PIPE
If connecting pipe is ” ”
CONNECT AS IS
Multi-Port Twinning Joint
Port
Twinning
Options:
A & B
C & D
E & F
G & H
I & J
K & L
SUCTION
LIQUID
Female connection for
” pipe
Supplied reducer for
” pipe
KHRP26A250T
When larger indoor units (72 & 96 MBH
models) are connected to a multi-port box
a “twinning” joint is required to join 2 ports
Liquid
L
Suction Gas
S
Hi/Lo Gas
HL