8. OPTIONAL PARTS
30
MEE16K008_U
8-7. External heater adapter
External heater adapter PAC-YU25HT is a set of special wiring parts for controlling the electric heater* with the air conditioner system.
*The electric heater should be designed and prepared at the site.
A basic connection method is shown as follows:(For details, refer to its Installation Manual.)
Item
External output cable
Connector
(for use with the panel heater)
Quantity
2
3
Shape
Wiring details and Installation details should be refrerred to its Installation Manual.
Outdoor unit
control board
• PUHY, PURY-P-
TGMU type
Dip switch SW5-2
“ON/OFF”
• PUHY, PURY-P-
THMU/YHMU/
TJMU/YJMU type
Dip switch SW5-10
“ON/OFF”
• PUHY, PURY-P-
TKMU/YKMU,
PUHY, PURY-P-
TLMU/YLMU,
PURY-HP-TKMU/
YKMU type
Dip switch SW4: 932
“ON/OFF”
• PUMY series
Dip switch SW4-4
“ON/OFF”
For relay X use the specifications given below Operation coil
Rated voltage : 12VDC
Power consumption : 1W or less
* Use the diode that is recommended by the relay manufacturer at both ends of the relay coil.
The length of the electrical wiring for the PAC-YU25HT is 2 meters (6-1/2 ft).
To extend this length, use sheathed 2-core cable.
Control cable type : CVV, CVS, CPEV or equivalent.
Cable size : 0.5 mm
2
~ 1.25 mm
2
(16 to 22 AWG)
Don’t extend the cable more than 10 meters (32ft).
1-phase power
supply
208V, 230V/60Hz
Control board
FS1, 2 ----- Thermal fuse
H1, H2 ----- Electric heater
26H --------- Overheat protection thermostat
88H --------- Electromagnetic contactor
FS1
FS2
FS1
FS2
R
S
R
S
CN24
H2
88H
H1
88H
26H
88H
(1) Basic wiring
(2) Recommended circuit
CN24
X
X
Remote control board
Relay circuit
Adapter
Indoor unit
control board
ret
ae
H
cirt
cel
E
ec
ru
os
re
wo
p
Red
1
White
2
Preparations in the field
Maximum cable length
is 10 m (32ft)
wol
le
Y
Electric Heater
or panel
heater
0000004082.BOOK 30 ページ ２０１６年９月８日 木曜日 午後２時４３分
