Gree Hydro Box NRQR30L/A-T - Preparations for Installation

Hydro Box
5
2.3 Configuration of Main Unit and Hydro Box
Outdoor unit model
Limit of indoor unit ratio to outdoor unit
rated capacity
Limit of hydro box ratio to
outdoor unit rated capacity
GMV-VQ224WM/C-X~
GMV-VQ2460WM/C-X
50%~135% ≤100%
Notes:
①
The Hydro box must be installing with indoor units according the rule of the table above, otherwise it cannot
work normally.
②
A single modular outdoor unit can be connected to 2 hydro boxes at most; 2 modular outdoor units can be
connected to 4 hydro boxes at most; 3 or 4 modular outdoor units can be connected to 6 hydro boxes at
most.
3 Preparations for Installation
3.1 Standard Fittings
Use the following provided accessories according to the requirement.
No.
Name
Appearance
Q'ty
Usage
1 Wired Controller
1
To control the Hydro
Box.
2 Owner’s manual
—
1
—
3 Temperature sensor
—
2
To setup them with
the solar and return
water pump.
4 Teflon tape
—
2
With Teflon tape to
ensure a watertight
seal.
5 Swell screw
—
4
—
6 Discharge valve
—
2
Discharge air when
debugging the water
system.
7 Safety valve
—
1
For pressure relief of
the circulating water
system.
8
Automatic discharge
valve
—
1
Discharge the air
inside the system
automatically for
ensuring excellent
heat exchange.
9 Strainer
—
1
For filtrating the
impurities in the
replenishing water.