Gree FP-22LM/D-K User manual

Service Manual

Change for life

Exposed fan coil unit

Contents

PRODUCT ........................................................................................................2

1 Introduction ....................................................................................................2

1.1 lineup ......................................................................................................2

1.2 Nomenclature .........................................................................................2

1.3 Feature ...................................................................................................3

1.4 Working principle ....................................................................................3

1.5 Specications..........................................................................................4

1.5.1 General data (nominal conditions) ..................................................4

1.5.2 Electrical data .................................................................................5

1.5.3 Capacity correction .........................................................................6

2 Exploded views and parts list.........................................................................8

3 Scope of supply ...........................................................................................17

DESIGN AND SELECTION.............................................................................19

1 Selection principle........................................................................................19

1.1 Selection steps .....................................................................................19

1.2 Example for selection............................................................................19

2 Power supply specication...........................................................................20

UNIT CONTROL .............................................................................................22

UNIT INSTALLATION......................................................................................24

1 Flow chart ....................................................................................................24

2 Precautions for engineering work.................................................................24

3 Tools ............................................................................................................26

4 Installation....................................................................................................27

4.1 Installation conditions ...........................................................................27

4.2 Dismensional data ................................................................................27

4.3 Installation and maintenance space......................................................28

4.4 Installation process ...............................................................................28

4.4.1 Supports xing ..............................................................................28

4.4.2 Precautions for installation............................................................29

4.4.3 Installation of water pipes .............................................................31

4.4.4 Installation of drain hose ...............................................................32

4.4.5 Installation of water valve..............................................................32

5 Electric wiring...............................................................................................34

5.1 Precautions for electric wiring ...............................................................34

5.2 Wiring steps ..........................................................................................34

5.3 External wiring diagram ........................................................................35

TEST OPERATION, TROUBLESHOOTING AND MAINTENANCE.................37

1 Commissioning ............................................................................................37

2 Troubleshooting ...........................................................................................37

3 Maintenance ................................................................................................38

3.1 Replacement of motor...........................................................................38

3.2 Replacement of cooling coil ..................................................................40

Product

PRODUCT

1 Introduction

1.1 lineup

Name Model Product

code

Cooling

capacity

(kW/ton)

Heating

capacity

(kW/ton)

Power

supply Appearance

Vertical mounted type

FP-22LM/D-K EM51600300 1.4/0.40 2/0.57

220-240V

AC 50Hz

FP-34LM/D-K EM51600280 1.9/0.54 2.3/0.65

FP-51LM/D-K EM51600290 2.8/0.80 3.4/0.97

FP-68LM/D-K EM51600250 3.2/0.91 3.8/1.08

FP-85LM/D-K EM51600270 4.25/1.21 4.9/1.39

FP-102LM/D-K EM51600310 5.0/1.42 5.9/1.68

FP-119LM/D-K EM51600260 5.3/1.51 6.45/1.83

FP-136LM/D-K EM51600330 5.8/1.65 6.7/1.91

FP-170LM/D-K EM51600320 9.2/2.62 10.7/3.04

FP-204LM/D-K EM51600340 10.1/2.87 11.5/3.27

Note: 1ton =12000Btu/h = 3.517kW

1.2 Nomenclature

Fan coil unit

Nominal airflow

Vertical mounted

Exposed

Static pressure: omit/H (12Pa/30Pa)

Heat exchanger: omit/S (standard/3-row pipes)

Design code: A, B, C, D...

Power supply frequency: K/D (50Hz/60Hz)

(_x10m /h)：

334/51/68/85/102/119136/170/204

Product

1.3 Feature

(1) Extensive application

With the airow ranging from 300 to 1900 m3/h and cooling capacity of 1.4 to 10.1kW, the FCU provides

three air speed settings to satisify users.

(2) High quality and reliability

Good materials and strict technical processing ensure high quality and normal service life of units.

(3) Low noise

In terms of dynamics, the optimized proportion of fan blade angle to impeller inner and outer diameters

improves airow and reduces noises.

(4) Lightweight and compactness

With aesthetic appeal, the unit is only 230mm thick, thus saving installation space.

The decoration panels have a curved surface presenting much thinness visually, which makes the unit

harmonize with any interior.

A track-like design of the top and the margin between castings and sheet metals increase its

uniqueness in appearance.

The color of castings on the top and bottom could be changed in accordance with clients’ needs.

(5) Intelligent control

The control system through micro-computer programs is connected with its thermostat that has a LCD

touch screen displaying many functions such as the cooling mode, heating mode, fan mode, timer and

child lock.

1.4 Working principle

The chilled (or hot) water go in the fan coil and make heat exchange with the indoor circulated air

(outdoor air), to realize cooling(heating), dehumidifying, ltrating or purifying. The processed air will be

supplied to indoor directly or by air duct.

Water outlet pipe Water inlet pipe

Air return Air supply

Filter screen

Fan

Product

1.5 Specications

1.5.1 General data (nominal conditions)

Model FP-22LM/D-K FP-34LM/D-K FP-51LM/D-K FP-68LM/D-K

Performance

Airow

m³/h

300 400 580 680

Mid 250 350 500 530

Low 200 300 420 380

Cooling capacity kW 1.4 1.9 2.8 3.2

Heating capacity kW 2 2.3 3.4 3.8

Water resistance kPa 10 15 18 21

Sound level dB(A) 36 38 39 42

Coil Type Copper, high-efciency louvered ns

Pressure MPa ≤1.6

Power supply 220-240VAC 50Hz

Input power W 35 46 56 66

Electric shock resistance class I

Fan Low-noise centrifugal fan

Connection

pipe

Inlet Rc3/4(inner thread)

Outlet Rc3/4(inner thread)

Condensate Outer diameter of 22mm

Net weight kg 23 23 27 27

Dimensions mm 895×680×230 1050×680×230

Themostat model Z5L5010AJ

Model FP-85LM/D-K FP-102LM/D-K FP-119LM/D-K

Performance

Airow

m³/h

760 1000 1100

Mid 600 740 860

Low 400 510 610

Cooling capacity kW 4.25 5 5.3

Heating capacity kW 4.9 5.9 6.45

Water resistance kPa 27 18 20

Sound level dB(A) 45 48 50

Coil Type Copper, high-efciency louvered ns

Pressure MPa ≤1.6

Power supply 220-240VAC 50Hz

Input power W 68 110 124

Electric shock resistance class I

Fan Low-noise centrifugal fan

Connection pipe

Inlet Rc3/4(inner thread)

Outlet Rc3/4(inner thread)

Condensate Outer diameter of 22mm

Net weight kg 28 33 33

Dimensions mm 1050×680×230 1350×680×230 1350×680×230

Themostat model Z5L5010AJ

Product

Model FP-136LM/D-K FP-170LM/D-K FP-204LM/D-K

Performance

Airow

m³/h

1100 1700 1900

Mid 870 1275 1425

Low 620 850 950

Cooling capacity kW 5.8 9.2 10.1

Heating capacity kW 6.7 10.7 11.5

Water resistance kPa 25 45 55

Sound level dB(A) 50 49 52

Coil Type Copper, high-efciency louvered ns

Pressure MPa ≤1.6

Power supply 220-240VAC 50Hz

Input power W 128 155 195

Electric shock resistance class I

Fan Low-noise centrifugal fan

Connection pipe

Inlet Rc3/4(inner thread)

Outlet Rc3/4(inner thread)

Condensate Outer diameter of 22mm

Net weight kg 34.5 47 47.5

Dimensions mm 1350×680×230 1773×680×230 1773×680×230

Themostat model Z5L5010AJ

Notes:

(a) Nominal cooling conditions: indoor dry/wet bulb temperature of 27/19°C, entering and leaving water

temperature of 7/12°C. Nominal heating conditions: indoor dry bulb temperature of 20°C, indoor

wet bulb temperature of no more than 15°C, enteringwater temperature of 45°C and leaving water

temperature of 40°C .

(b) The sound level is tested under the semi-anechoic chamber and the actual value will change under

different conditions.

1.5.2 Electrical data

Model Power supply Fan quantity

FP-22LM/D-K 220-240V AC 50Hz 1

FP-34LM/D-K 220-240V AC 50Hz 1

FP-51LM/D-K 220-240V AC 50Hz 2

FP-68LM/D-K 220-240V AC 50Hz 2

FP-85LM/D-K 220-240V AC 50Hz 2

FP-102LM/D-K 220-240V AC 50Hz 2

FP-119LM/D-K 220-240V AC 50Hz 2

FP-136LM/D-K 220-240V AC 50Hz 2

FP-170LM/D-K 220-240V AC 50Hz 4

FP-204LM/D-K 220-240V AC 50Hz 4

Product

1.5.3 Capacity correction

(1) Cooling and heating capacity correction factor

Model FP-22 FP-34 FP-51 FP-68 FP-85 FP-102 FP-119 FP-136 FP-170 FP-204

Middle

speed

Cooling 0.81 0.82 0.75 0.71 0.72 0.73 0.74 0.79 0.76 0.77

Heating 0.80 0.80 0.73 0.68 0.69 0.70 0.72 0.78 0.74 0.72

Low

speed

Cooling 0.67 0.65 0.59 0.55 0.63 0.52 0.66 0.63 0.62 0.59

Heating 0.63 0.62 0.56 0.52 0.60 0.50 0.63 0.60 0.60 0.57

(2) Cooling capacity correction factor

Entering

water

temp. (°C)

Water

ow

(multiple)

Inlet air

DB24°C DB25°C DB26°C DB27°C DB28°C

WB17°C WB18°C WB19°C WB19.5°C WB21°C

SH TH SH TH SH TH SH TH SH TH

0.8 0.70 0.80 0.73 0.88 0.75 0.97 0.79 1.02 0.80 1.16

1.0 0.74 0.89 0.78 0.98 0.79 1.07 0.84 1.13 0.84 1.29

1.2 0.77 0.96 0.80 1.05 0.82 1.15 0.87 1.21 0.87 1.38

0.8 0.67 0.76 0.71 0.84 0.72 0.91 0.76 0.96 0.77 1.10

1.0 0.72 0.85 0.75 0.93 0.76 1.02 0.80 1.07 0.81 1.22

1.2 0.74 0.90 0.77 1.00 0.79 1.09 0.83 1.14 0.84 1.31

0.8 0.66 0.71 0.68 0.78 0.70 0.86 0.74 0.90 0.74 1.03

1.0 0.70 0.79 0.73 0.87 0.74 0.95 0.78 1.00 0.79 1.14

1.2 0.72 0.85 0.75 0.93 0.77 1.02 0.81 1.07 0.82 1.22

0.8 0.61 0.69 0.64 0.76 0.65 0.83 0.68 0.87 0.69 1.05

1.0 0.65 0.77 0.68 0.84 0.69 0.92 0.73 0.97 0.73 1.11

1.2 0.67 0.82 0.70 0.90 0.71 0.99 0.75 1.04 0.76 1.18

0.8 0.61 0.62 0.64 0.68 0.65 0.74 0.68 0.78 0.69 0.89

1.0 0.65 0.69 0.68 0.76 0.69 0.83 0.73 0.87 0.73 0.99

1.2 0.67 0.74 0.70 0.81 0.71 0.88 0.75 0.93 0.76 1.06

Notes:

(a) TH: total heat (W)

(b) SH: sensible heat (W)

(d) WB: wet bulb temperature (°C)

Product

(3) Heating capacity correction factor

Entering water

temp. (°C)

Water ow

(multiple)

Inlet air

DB16°C DB18°C DB20°C DB21°C DB22°C DB24°C

0.8 0.56 0.52 0.48 0.46 0.44 0.41

1.0 0.58 0.54 0.50 0.48 0.46 0.42

1.2 0.60 0.55 0.51 0.49 0.47 0.44

0.8 0.71 0.66 0.61 0.59 0.56 0.52

1.0 0.74 0.68 0.63 0.61 0.59 0.54

1.2 0.76 0.70 0.65 0.63 0.60 0.55

0.8 0.86 0.80 0.74 0.71 0.68 0.63

1.0 0.90 0.83 0.77 0.74 0.71 0.65

1.2 0.92 0.85 0.79 0.76 0.73 0.67

0.8 1.01 0.94 0.87 0.84 0.80 0.73

1.0 1.05 0.97 0.90 0.87 0.84 0.77

1.2 1.08 1.00 0.93 0.90 0.86 0.79

0.8 1.16 1.08 1.00 0.96 0.92 0.84

1.0 1.21 1.12 1.04 1.00 0.96 0.88

1.2 1.25 1.15 1.07 1.03 0.99 0.91

0.8 1.20 1.16 1.11 1.08 1.06 1.01

1.0 1.25 1.21 1.15 1.13 1.11 1.05

1.2 1.29 1.25 1.19 1.16 1.14 1.08

0.8 1.34 1.29 1.23 1.21 1.19 1.13

1.0 1.40 1.35 1.29 1.26 1.23 1.17

1.2 1.44 1.39 1.32 1.30 1.27 1.21

0.8 1.49 1.43 1.37 1.34 1.31 1.25

1.0 1.55 1.50 1.43 1.40 1.37 1.30

1.2 1.60 1.54 1.47 1.44 1.41 1.34

Notes:

(a) TH: total heat (W)

(b) SH: sensible heat (W)

(d) WB: wet bulb temperature (°C)

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