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Duct type
4-Way
Cassette Type
CHV6-36URBM 0
CHV6-48URBM
0
100%
Model Connection ratio
Indoor Unit Type
When the system is connected one-to-one, the connection ratio must be 100%, and the additional refrigerant need
to be reduced as the following requirements：
CHV6-60URBM
0
0
5.
Notice of Additional Charge
18
_
Follow below, setting the Dip-Switch for piping length.
4.
Dip-Switch Setting for Piping Length
2. Charging Work
3. Record of Additional Charge
Record the refrigerant charging quantity in order to facilitate maintenance
and servicing activities.
Total refrigerant charge of this system is calculated in the following formula.
Total Ref. Charge of This System = 0W12
This System = + = lbs
Charge refrigerant (R410A) into the system as follows.
(1) For charging refrigerant, connect the gauge mani-fold using charging hoses with a refrigerant cylinder to the check joint
of the liquid line stop valve.
(2) Fully open the gas line stop valve and slightly open the liquid line stop valve.
Charge refrigerant by opening the gauge manifold valve.
(3) Charge the required refrigerant by operating the system in cooling.
Ensure to charge correct volume by utilizing a weight scale. An excess or shortage of refrigerant is the main cause
of trouble to the units.
Fully open the liquid line stop valve after completing refrigerant charge.
lbs
lbs
Total Additional Charge
Total Ref. Charge of This System
Date of Ref. Charge Work
Day Month Year
Mark
Show Switch Key Position)
Shipment
I.U.is located
higher
O.U.is located
1
Tabe 5.10 Refrigerant Charge
than O.U.66ft(20m)
higher
than O.U.0ft(25m)
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