Gree FHBQGL-D5DA-T User Manual

Energy Recovery Ventilation System
20
Table7 Selection of Communication Wire between Unit and VRF ODU
Material Type
Total Length L
(m) of
Commu
nication
Cable between
Indoor Unit and
Indoor (Outdoor)
Unit
Wire size
(mm
2
)
Material
Standard
Remarks
Light/Ordinary
polyvinyl
chloride
sheathed cord.
(60227 IEC 52
/60227 IEC 53)
L≤1000m
≥2×0.75
IEC
60227-
5:2007
1. If the wire diameter is enlarged
to 2×1 mm
2
, the total
communication line length can
reach 1500 m.
2. The cord shall be Circular cord
(the cores shall be twisted
together).
3. If unit is installed in places with
intense magnetic field or strong
interference, it is necessary to
use shielded wire.
4.6 Wiring Work
(1) The unit must be grounded securely, or it may cause electric shock.
(2) Please carefully read the nameplate and the wiring diagram before carry
out the wiring work, incorrect wiring could cause malfunction or even
damage the unit.
(3) The capacity of power supply must be sufficient and the sectional area of
wires in the room should be above 1mm
2
.
(4) The unit should be powered by independent circuit and specific socket.
(5) The wiring should be in accordance with related regulations in order to
ensure the units operate reliably.
(6) Install circuit breaker for branch circuit according to related regulations
and electrical standards.
(7) All wiring must use pressure terminal or single wire. Multi-twisted wire
that connects directly to the wiring board may cause fire hazard.
(8) Keep cable away from fan and other motional parts.
(9) Do not alter the inner wires of unit.
(10) If the unit is installed in places with strong electromagnetic interference,
it's recommended to use twin-twisted shield wire. During wire connection,
please pay attention that the metal shield layer of the twin-twisted wire

Gree FHBQGL-D5DA-T Specifications

General

Brand	Gree
Model	FHBQGL-D5DA-T
Category	Fan
Language	English