Haier MRV 5-RC AS072MNERA User Manual

111
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 conrmation.
• 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:
Table 2: Capacity measure and selected capacity of the model of indoor unit
Valve box Total capacity of indoor unit (kW) Quantity of indoor unit
112B Less than 11.2 Less than 5
180B 11.2~18.0 Less than 8
280B 18.0~28.0 Less than 8
Capacity measure 072 092 122 162 182 242 282 302 382 482 722 962
selected capacity (kW) 2.2 2.8 3.6 4.5 5.6 7.0 8.0 9.0 11.2 14.0 22.6 28
Do not connect the fresh air unit (AD*MPERA, YV4VXH*WAR--GX) to this system.
<Selected example> one AD072MLERA, YVDVXH022WAR--GX,
two AD182MLERA,YVDVXH056WAR--GX, upon connection:
Total capacity of indoor units =2.2 kW+5.6 kW×2=13.4 kW
Select 180B
(2) Inspection upon delivery
Inspection item Inspection column
If the electric box cover is installed
If the installation specication is transferred to the customer
Inspection item
Pay much attention to the following during installation. Check them again after completion.
(1) Inspection items after installation
Inspection item Defect
Inspection
column
If the installation of valve box is secure ? Falling off, vibration and noise
If gas leakage inspection is completed ? No heating/cooling
If complete insulation is achieved (refrigerant piping and tubing
connections) ?
Water leakage
If the voltage of the power supply is consistent with that on the
nameplate ?
Out of service, burnt
If there is improper wiring or piping ? Out of service, burnt
If there is construction without grounding ? Danger in electric leakage
If the thickness of the wire is as specied ? Out of service, burnt

Haier MRV 5-RC AS072MNERA Specifications

General

Brand	Haier
Model	MRV 5-RC AS072MNERA
Category	Heat Pump
Language	English