Hitachi RPC-1.5FSR - H-Link Relay: Psc-5 HR; H-LINK Relay: PSC-5 HR

FEATURES
1-32
TCI-20007-rev.1
1.4.12 H-LINK Relay: PSC-5HR
215 230
8 Holes: φ670 49 56 38 56
250
15 200 15
Outdoor Unit
P/C

Central Station

H-LINK
Relay
H-LINK
Relay
Indoor Unit
H-LINK
Relay
H-LINK
Relay
H-LINK No.1
H-LINK No.2
H-LINK No.5H-LINK No.4
Four H-LINK Relays can be installed at a maximum.
H-LINK is divided into blocks by H-LINK relay.
The number of connectable refrigerant cycles and
indoor units is limited as shown below.
H-LINK No.3
<Compared with H-LINK System>
No. of Max. Ref.
Group / System
No. of Max.Indoor
Unit / System
Item H-LINk
16
128 163
64
H-LINk ll
l
In the case of the above gure, H-LINK is divided into ve blocks. Set up Terminal Resistance in each
H-LINK. (Refer to “Operation & Installation Manual” of H-LINK Relay for details.)
l
It is recommended to use twist pair cable (1P-0.75mm
2
). The cable type is shown in the following table.
l
If twist pair cable is used, the maximum length of each divided H-LINK is 1000m.
l
Either shielded or non-shielded cable can be used.
l
Twist Pair Cable is available as an optional system accessory.
Model: PRC-50L (50m), PRC-100L (100m), PRC-200L (200m)
TYPE
NIHONDENSEN
KOUGYOUKAI
HITACHIDENSEN
NIHONDENSEN
KOUGYOUKAI
SEKISAIKISAI
SIRYOU
without Shield JKEV KPEV KNPEV KPEV
with Shield
(Copper foil)
JKEV-S KPEV-S KNPEV-S KPEV-S
with Shield
(stranded)
JKEV-SB KPEV-SB KNPEV-SB KPEV-SV
< System Conguration >
< Adapted Wires and Wire Length >