Daikin VRV Plus Series General Information Manual page 164

Si33-003.book Page 160 Monday, June 25, 2001 9:06 AM
Before Operation
When installing the switch box lid, if there is a gap caused by the electrical wires, apply the sealing material
to fill the gap to prevent bugs from entering.
Incombustibility
(Choose an appropriate thickness for each location.)
8.2.4 How to Operate Stop Valves
1. To Open
1. Remove the cap (1) and turn the shaft (2) counterclockwise with hexagon socket screw keys (JIS B
2. Turn it all the way until the shaft stops.
3. Tighten the cap firmly.
2. To Close
1. Remove the cap and turn the shaft clockwise.
2. Tighten the shaft firmly until it reaches the sealed area (4) of the body.
3. Tighten the cap firmly.
Notes:
160
Equivalent to UL94HF-1
3
5
4648 nominal size 6 mm and 10 mm).
Refer to the table at the end of this chapter for tightening torques and dimensions of the flares.
Be sure to use both, a spanner and a torque wrench, when connecting or disconnecting pipes to or from
the unit.
When connecting a flare nut, apply ether or ester oil on the flare area (both internal and external face),
and screw it with your hand a few times first.
Use a charging hose with push rod when using the service port 5.
Check for refrigerant gas leakage after tightening the cap.
Make sure to apply ether oil or ester oil around the flare portions (both inner and outer face) when
connecting flare nuts, and give 3 turns by hand before applying spanners.
Make sure to keep stop valve open during operation.
1
2
4
Fig. 31
(V0884)
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SiE33-003
Installation Manual