Haier MRV 5-RC VP1-112B Service Manual page 137

VP4-450B Auxiliary pipe
Quantity 2
-9
Ø16.1
Shape
Ø22.22
VP4-450B Nut
Quantity 4
Shape
Ø9.52
Ø15.88
<Entrustment>
Before the installation is completed, do not abandon the accessories needed in installation.
Combinations
• This series is cooling and heating heat recovery models. Only when the system is equipped
with valve box, indoor units under different valve boxes can achieve cooling and heating
simultaneously. The modes of the indoors which under the same valve box should be the
same. If the indoors connected without valve box, the indoors only can do cooling mode.
Do not connect the valve box to the common multi-split system, as the former is dedicated to
the cooling & heating multi-split system.
• Concerning the model of the connectible indoor unit, see the sample brochure, etc. for
confirmation.
• Concerning the total capacity of the indoor unit connected at the downstream of the valve box
(the total selected capacity of the models), select in Table 1 according to the quantity (refer to
Table 2 for the selected capacity of the model of each indoor unit)
Table1: Total capacity of indoor unit:
Valve Box
Total capacity of indoor
unit (kW)
VP4-450B less than 45
Table 2: Capacity measure and selected capacity of the model of indoor unit
Capacity measure
selected capacity (KW)
Do not connect the fresh air unit to this system.
Wiring
harness
1 42
-10
Ø19.2
Ø22.22
Specification
4 1
Total of four branches
Quantity of indoor unit
less than 20
072 092 122 162
2.2 2.8 3.6 4.5
Insulation tube
4 4
Ø10
Ø16
Per branch
Total capacity of indoor
unit (kW)
less than 11.2
182 242 282
5.6 7.0 8.0
134
4 4
Ø28
Ø46
Quantity of indoor unit
less than 5
302 382
9.0 11.2