Parameter Table; Preparation Before Installation; Standard Accessory - Gree NCHS1B(U) Owner's Manual

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GMV5 HR Heat Recovery Cooling and Heating Mode Exchanger

2.2 Parameter table

Model
Rated voltage
Max. quantity of connecting indoor
unit
Max. branch quantity of
connecting indoor unit
Max. quantity of connecting indoor
unit for each branch
Max. total capacity of connecting
indoor unit for each branch
Total capacity of connecting
indoor unit for mode convertor
Size of high pressure pipe (mode
convertor connects outdoor unit)
Size of low pressure gas pipe
(mode convertor connects outdoor
unit)
Size of liquid pipe (mode
convertor
connects outdoor unit)
Size of gas pipe (mode convertor
connects indoor unit)
Size of liquid pipe (mode
convertor connects indoor unit)

3 Preparation before installation

NOTICE ! The product photos are only for reference. The unit for size is mm(in.), except otherwise
stated.

3.1 Standard Accessory

Please use below provided standard parts according to requirement.
No.
Name
M10X8
1
Nut with washer M10X8
Nut M10
2
(hesagon nut M10X8.4)
Washer 10
3
(spring washer M10X2.6)
4
High-tenperature tieline
5
Installation template
M4X12
6
(green bonding screw M4X12)
7
silencer 1
Unit
NCHS1B(U)
V
208/230V
-
8
-
1
-
8
Btu/h
48500
Btu/h
48500
mm(in.)
15.9(5/8)
mm(in.)
22.2(7/8)
mm(in.)
9.52(3/8)
mm(in.)
15.9(5/8)
mm(in.)
9.52(3/8)
Photo
/
3
NCHS2B(U)
NCHS4B(U)
208/230V
208/230V
16
32
2
4
8
8
48500
48500
96000
154000
19.05(3/4)
22.2(7/8)
22.2(7/8)
28.6(1-1/8)
9.52(3/8)
12.7(1/2)
15.9(5/8)
15.9(5/8)
9.52(3/8)
9.52(3/8)
Quantity
Used for hanging mode
4
exchanger
Used for hanging mode
4
exchanger
Used for hanging mode
4
exchanger
Wrap sponges at the
8
connection position
Used for drilling holes at the
1
ceiling
Used for connecting the
1
earthing cord
The sizes of both nozzles
are IDΦ19.3 (3/4)and
ODΦ19(3/4),nozzle
1
ODΦ19(3/4) is used for
connecting the high
pressure gas pipe of
NCHS2B(U).
NCHS8B(U)
208/230V
64
8
8
48500
232000
22.2(7/8)
28.6(1-1/8)
15.9(5/8)
15.9(5/8)
9.52(3/8)
Purpose

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