mrcool 13seer r410 cond install manual 4web

Unitary Ducted Split AC & HP

3.5 Preparation for Next Step

After all connections have been brazed, disconnect manifold gauge set from service ports.

Apply water saturated cloths to both services valves to cool piping. Once piping is cool, remove all

water saturated cloths.Reinstall service cap and core.Refer to the unit installation instructions for

the next step in preparing the unit.

4. Check Piston

There is a piston located in outdoor condensing unit, please verify the piston size based on the

below table. When matching with air handler, please make sure replace this piston in air handler.

Table 3

OUTDOOR UNIT INDOOR UNIT PISTON KIT PART NO.

MAC13018 MAH13018 053

MAC13024 MAH13024 054

MAC13030 MAH13030 064

MAC13036 MAH13036 067

MAC13042 MAH13042 071

MAC13048 MAH13048 079

MAC13060 MAH13060 084

MHP13018 MAH13018 055

MHP13024 MAH13024 057

MHP13030 MAH13030 068

MHP13036 MAH13036 067

MHP13042 MAH13042 073

MHP13048 MAH13048 082

MHP13060 MAH13060 091

Liquid line orifice housing

Distributor assembly

Fixed orifice

Teflon ring

Liquid line assembly

(includes strainer)

Liquid line

Brass nut

Vapor line

Fig.10

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