Specifications

-42-
a.
b.
c.
d.
e.
Power supply
Main switch/fuse (field supply)
Power supply wiring for unit
unit
LCD remote controller (PAC-204RC)
f.
Connection wiring for unit /
remote controller
Earth
a
b
c
g
PE
d
PRHG-8 ~ 20Y
g.
e
f
In case of PRHG-15, 20Y
(2) Electrical wiring
Remove the panel on the right side (PRHG-8,10Y) or the rear side (PRHG-15,20Y) of the unit and connect the units power
supply wiring to the proper terminals in the control box.
Connect the wires on the basis of the following wiring diagram. If mistook the connection, the controller is damaged.
(1) Connect the wires on the basis of the following wiring diagram.
(2) Connecting work is different each models.
(3) LCD remote controller cables must be installed away from the power cables so that they are not influenced by electrical
noise from the power cables. (Do not place the LCD remote controller cables and power cables in the same conduit.)
Caution : This controller is damaged if mistook the connection.
PRHG-8,10 PRHG-15,20
CZ
FZ
GRAY
Tr
TB2
1
7
GRAY
36
TCZ
4
24VAC (L)
24VAC (N)
COMP1
FAN HI
COMP2
PAC-204RC
HZ1
5
4WV
CZ HZ
FZ
GRAY TB2
1
6
GRAY
35
4
24VAC(N)
COMP1
4WV
FAN HI
24VAC(L)
PAC-204RC
AC
24V
AC
24V
Tr
33
C03
3
33
C03
3
F2
(3.15A)
C03
1
C04
1
C03
1
F2
(3.15A)
C03
1
C04
1
C03
1
Method for connecting electric wire
Please do the wiring after consulting the electric power company of jurisdiction beforehand in the instruction.
(1) The entire wiring diagram of unit.