EMRQ8~16ABY1
Daikin Altherma outdoor unit
4P501819-1 – 2017.08
Installation manual
14
For front connection, please remove the front cover as follows:
For side connections, the knock-out hole on the bottom plate
should be removed:
2.
Remove the pinched pipes
1
Remove the valve cover and make sure that the stop valves are
fully closed.
2
Connect the vacuuming/recovery unit to service ports of all stop
valves.
3
Recover gas and oil from the pinched piping by using a recovery
unit.
4
When all gas and oil is recovered from the pinched piping,
disconnect the charge hose and close the service ports.
1
Large knock-out hole
2
Drill
3
Points for drilling
NOTE
Precautions when knocking out knock-out holes
■
Be sure to avoid damaging the casing
■
After knocking out the knock-out holes, we
recommend you remove the burrs and paint the
edges and areas around the edges using repair
paint to prevent rusting.
■
When passing electrical wiring through the knock-
out holes, wrap the wiring with protective tape to
prevent damage as shown above.
3x
1 2
3
NOTE
Any gas or oil remaining inside the stop valve may
blow off the pinched piping. Failure to observe the
instructions in procedure below properly may
result in property damage or personal injury, which
may be serious depending on the circumstances.
Use the following procedure to remove the pinched piping:
1
Gauge manifold
2
Nitrogen
3
Measuring instrument
4
Refrigerant R410A tank (siphon system)
5
Vacuum pump
6
Charge hose
7
Refrigerant charge port
8
Discharge pipe stop valve
9
Suction gas pipe stop valve (not used)
10
Liquid pipe stop valve
11
Valve A
12
Valve B
13
Valve C
14
Outdoor unit
15
To indoor unit
16
Stop valve
17
Service port
18
Field piping
19
Gas flow
Do not vent gases into the atmosphere.
1
Service port and service port cover
2
Stop valve
3
Field piping connection
4
Stop valve cover
3
4
1
2
18
10
9
1
2
4
3
5
7
8
19
6
16
17
14
13
12
11
15
4PEN501819-1.book Page 14 Wednesday, September 13, 2017 12:52 PM
