H-Link Relay: Psc-5Hr; H-Link Relay: Psc-5Hr - Hitachi RPC-1.5FSR Technical Catalogue

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1.4.12 H-LINK Relay: PSC-5HR

< System Configuration >
P/C
H-LINK No.1
H-LINK
Relay
H-LINK
Relay
H-LINK No.4
< Adapted Wires and Wire Length >
l In the case of the above figure, H-LINK is divided into five 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
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
without Shield
with Shield
(Copper foil)
with Shield
(stranded)
1-32
70 49
Outdoor Unit
Central Station
Indoor Unit
H-LINK No.2
H-LINK
Relay
NIHONDENSEN
HITACHIDENSEN
KOUGYOUKAI
JKEV
JKEV-S
JKEV-SB
56 38 56
250
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.
<Compared with H-LINK System>
Item
No. of Max. Ref.
Group / System
No. of Max.Indoor
Unit / System
H-LINK
Relay
H-LINK No.5
). The cable type is shown in the following table.
2
NIHONDENSEN
KOUGYOUKAI
KPEV KNPEV
KPEV-S KNPEV-S
KPEV-SB KNPEV-SB
8 Holes: φ6
H-LINk H-LINk ll
16 64
128 163
H-LINK No.3
SEKISAIKISAI
SIRYOU
KPEV
KPEV-S
KPEV-SV
TCI-20007-rev.1