INSTALL ALL POWER AND INTERCONNECTING
WIRING TO OUTDOOR UNIT
1.
Mount the outdoor power disconnect.
2.
Run power wiring from the main box to the disconnect per
NEC and local codes.
3.
Remove the field wiring cover (if available) from the unit
by loosening the screws.
4.
Remove the caps on the conduit panel.
5.
Connect the conduit to the conduit panel (see
6.
Properly connect both the power supply and control lines to
the terminal block per the connection diagram.
7.
Ground the unit in accordance with NEC and local electrical
codes.
8.
Use the lock nuts to secure the conduit.
9.
Reinstall the field wiring cover.
!
WARNING
FIRE HAZARD
!
Failure to follow this caution may result in
a fire and
or
equipment
damage or improper operation.
S
C
omply with
all
local codes while running wire
from
indoor unit to outdoor unit.
S
Connect e
very wire firmly. Loose wiring may
cause the
terminal to overheat or result in unit
malfunction. A fire
hazard may also exist
.
Therefore,
ensure all wiring is
tightly connected.
S
No wire should be allowed to touch the refrigerant
tubing, compressor or any moving parts.
S
Disconnecting means must be provided and shall be
located within sight and readily accessible from the air
conditioner.
S
Connecting cable with conduit shall be routed through
hole in the conduit panel.
G
Over
1.57" (40mm)
Terminal Block
Conduit panel
Conduit
Outdoor unit
FIGURE 1
1
-
Field Wiring
DRAIN CONNECTIONS
Install drains must meet local sanitation codes.
Install the outdoor unit drain joint
Fit the seal into the drain joint, then insert the drain joint into the
base pan hole of the outdoor unit. Rotate 90
_
to securely assemble
them. Connect the drain joint with an extension drain hose to avoid
condensate from draining off the outdoor unit during the heating
mode.
Seal
Base pan hole
Drain joint
Seal
Base pan
Drain
joint
FIGURE 1
2
-
Drain Joint
Images are for illustration purposes only.
In cold climates, ensure the drain hose is as vertical
as
possible to ensure swift water drainage.
If water drains too slowly, it can freeze in the hose
and
flood the unit.
CAUTION
!
NOTE
: Base
pan built−in with multiple holes for proper draining
during defrost. For applications where it is required to seal these
holes, and re−direct the condensate drain, rubber plugs are
available through RCD.
Table
8
—Rubber Plugs
Outdoor Unit
Model Number
Basepan Base
Rubber Plugs
RCD Part Number
Quantity per unit
12600801A00077
5
12600801A00117
5
DHMZ
4
36DA
12600801A00118
5
ELECTRICAL DATA
Table
9
—Multi−zone Outdoor Unit
UNIT SIZE
SYSTEM VOLTAGE
OPERATING VOLTAGE
COMPRESSOR
OUTDOOR FAN
MCA
HARC
Breaker
V/ph/Hz
MAX / MIN*
RLA
FLA
hp
W
18
208
-
230/1/60
253/187
10
0.74
0.07
50
18
25
2
7
15
0.9
0.16
120
25
35
36
21
1.0x2
0.11
85
35
50
*Permissible limits of the voltage range at which the unit will operate satisfactorily.
LEGEND
FLA - Full Load Amps
MCA - Minimum Circuit Amps
RLA - Rated Load Amps
!
DHMZ
3
27DA
DHMZ
2
18DA
MAX Time
Delay Fuse or
1
2
615000259 REV
C
, [
10
/
01
/
20
2
1
]