Service manual
P23 OF 34
>18"
>18"
Brackets Heavy-Duty PVC Riser
Coated Brackets
W A ccessories
Bracket Accessories
INSTALLATION & PICTURES-WALL MOUNT BRACKET FOR OUTDOOR UNIT(S)
(PART VARIES UPON MODELS/AVAILABILITY)
INSTALLATION-OUTDOOR UNIT
INSTALL OUTDOOR UNIT
Select a secured location where the outdoor unit will be installed properly.
Orient the unit rear side (intake grill) towards wall and front side (discharge grill) away from wall.
For ground installation, use factory-provided riser and accessories. Not to bolt unit feet directly onto ground.
Riser or brackets shall be levelled at outdoor unit foot surfaces. Secure unit foot by tightening bolts, nuts and
anti-vibration pads.
For wall mount installation, use factory-provided brackets, anchors and accessories.
Strongly suggest to install the outdoor unit above the ground either on platform or brackets as shown below.
Heat pump unit must be lift up from ground level, since condensate must be drained out of the drain pan in
condensing unit; othewise, condensate may be iced up to damage the condensing unit.
Suggest to use YMGI-provided brackets and condensate drainage fitting accessories.
YMGI, A COMFORT MAKER, A JOY COMPANION, A SATISFACTION GUARANTOR...
(Actual unit/parts looking/installation may vary from the illustrated)
P24 OF 34
CONNECT WIRING BETWEEN OUTDOOR UNIT AND INDOOR UNIT
Check the nameplate for rated electrical data.
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Check power and wire length and sizes. Use NEC, 105 C/221 F type copper wire. Refer to the following tables,
for proper selection of wire gauge and colour.
Remove the wiring diagram cover where also the
handle for moving unit is located.
Follow the wiring diagrams on the unit or the wiring
diagram manual that comes with the indoor unit to
get familiar with wiring and make sure nothing is
made wrong. If there is any discrepancy, always
use the one put in the units.
Connect wires between indoor unit and outdoor
unit-power wire from outdoor to Indoor, control
wires from Indoor unit to outdoor unit. Pass wire
through certified wire pipes, harnesses and
knockouts. Enough length shall be left for future
service. Only copper wire is allowed.
Bring in line-voltage power input wires from circuit
breaker to line-voltage wire terminal block at
outdoor unit. Pass through certified wire pipes,
harnesses and knockouts. Enough length shall be
left for future service. Only copper wire is allowed.
Strictly follow NEC or state or local codes to select
wires, circuit breaker, conduits and to perform
installation work.
Disconnect switch box for outdoor unit
OUTDOOR WIRING: OUTDOOR-INDOOR UNIT & DISCONNECT SWITCH
BOX/CIRCUIT BREAKER/FUSE
WIRING OUTDOOR UNIT
(Field-Supplied, Not Spliced and Not Knotted,
Water-Proof Sealed Tight, UL Approved)
YMGI, A COMFORT MAKER, A JOY COMPANION, A SATISFACTION GUARANTOR...
PIPING AND WIRING SIZES
Model
Liquid/
Gas Line
Min/Max.
Length/
+/-Elevation
Power Wire
Disconnect Switch Box to
Outdoor Unit
Power/ Control Wire
Outdoor to Indoor Unit
HVAC Circuit
Breaker/Fuse AMP
(to Outdoor Unit)
09K
1/4” & 3/8”
15/70/25/35
L/N/G, 115/1/60, 14AWG Power: L/N/G Control: AC-2 HP-2/3/4
20/10
12K
1/4” & 1/2”
15/70/25/35
L/N/G, 115/1/60, 14AWG
25/10
18K
3/8” & 5/8”
15/100/30/50
L1/L2/G, 208-230/1/60, 14AWG Power: L1/L2/G Control: AC-2 HP-2/3/4
20
24K
15/100/30/50
L1/L2/G, 208-230/1/60, 14AWG
25
3/8” & 5/8”
Power: L/N/G Control: AC-2 HP-2/3/4
Power: L1/L2/G Control: AC-2 HP-2/3/4