YMGI WMMS-36CH Manuel d'utilisateur télécharger pdf (Page 9)

INSTALLATION

INSTUCTIONS

INSTALLATION

INSTUCTIONS

PIPING AND WIRING SIZES-UNITS MADE AFTER 09/2012

Unit Connection Copper

Pipe Sizes

Min/Max.Length

+/- Elevation

Wires from Outdoor

to Each Indoor Unit

Mini. Wire Size

Outdoor-Each Indoor Unit

HVAC Type

Circuit Breaker

21/30CH 2*(1/4+3/8") 15/30/30/15 N(1)/2/3/G 16AWG 30AMP

24/36CH 3*(1/4+3/8") 15/75/30/15 N(1)/2/3/G 16AWG

42CH

48CH

60CH

4*(1/4+3/8") 15/30/30/15 N(1)/2/3/G 16AWG

P16 OF 30

YMGI, A COMFORT MAKER, A JOY COMPANION, A SATISFACTION GUARANTOR...

P15 OF 30

YMGI, A COMFORT MAKER, A JOY COMPANION, A SATISFACTION GUARANTOR...

ELECTRICAL CONNECTIONS

1) Remove the handle at the right side plate of the outdoor unit (one screw).

2) Remove the cable clamp, connect the power connection cable with the terminal at the row of connection and

fix the connection. The fitting line distributing must be consistent with the indoor unit.

terminal of line bank. Wiring should meet that of indoor unit.

3) Fix power connection wire by wire clamp.

4) Ensure wire has been fastened well.

5) Replace handle when done.

An all-pole disconnection switch having a

contact separation of at least 1/10" all poles

should be connected in with wires that are

secured to the unit meta structure.

Wrong wire connection may cause malfunction

of some electric components. After fixing cable,

ensure that leads between connection to fixed

point are well separated..

The connection pipes and the connectiong

wiring of the unit A and unit B must be

corresponding to each other respectively.

The system shall be installed in accordance

with NEC.

WMMS-21CH-V2B(59)(2) (1 to 2) / WMMS-30CH-V2B(59)(2) (1 to 2)

Handle

Indoor Unit B Indoor Unit A

N(1)

Interconnection

cable

N(1)

Interconnection

cable

Incoming Power

208~230/1/60

Power cord

N(1)

B A

N(1)

Outdoor unit

Indoor unit

B A

4*(1/4+3/8")

2*(1/4+3/8")+2*(1/4+1/2")

+(1/4+5/8")

15/30/30/15

N(1)/2/3/G

16AWG

30AMP

40AMP

50AMP

(Left) (Right)

Disconnect switch box for outdoor unit

Non-Metalic Power Whip

for Outdoor Use

(Field-Supplied, Not Spliced

and Not Knotted,

Water-Proof Sealed Tight,

UL Approved)

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.

>18"

Other Brackets Heavy-Duty PVC Riser

for Ground Mounting

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 of the

condensing unit; othewise, condensate may be iced and built up to damage the condensing unit.

Suggest to use YMGI-provided brackets and condensate drainage fitting accessories.

(Actual unit/parts or installation may look differently from the illustrated)

* 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.

CONNECT WIRING BETWEEN OUTDOOR UNIT AND INDOOR UNIT

OUTDOOR WIRING: OUTDOOR-INDOOR UNIT & DISCONNECT SWITCH

BOX/CIRCUIT BREAKER/FUSE

WIRING OUTDOOR UNIT

* Check the nameplate for rated electrical data. Connect unit to the correct electrical power source.

* Select power wire of proper type and size. Suggest to use UL approved 105 C/221 F multi-strand copper wire

for outdoor use. Refer to the following tables, for proper selection of wire gauge, size and circuit breaker.

WIRING OUTDOOR UNIT

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

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YMGI WMMS-36CH Manuel d'utilisateur Page 9

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