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

1
Product
Product

2
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