SECOP FRK7.5G Compressor - Technical Data

General Information

Model and Sales Information
Model	Designation	Sales Code
FRK7.5G	FRK7.5G	106G5653

Compressor Design

Oil type	Polyolester
Oil viscosity	19,2 cSt
Oil quantity	240 cm³ / 8,1 fl.oz
Refrigerant charge - technical limit	700 g / 24,7 oz
Free gas volume compressor	1535 cm³ / 51,9 fl.oz
Weight	9,5 kg / 20,9 lbs
Motor protection	external
Winding resistance main	10,7 Ω (at 25°C)
Winding resistance auxiliary	17 Ω (at 25°C)
Max. winding temperature	125°C / 257°F
Max. discharge temperature	130°C / 266°F
Additional notes	Very good robustness against liquid intake. Ice-cube maker optimization - indirect suction intake. Special design for high refrigerant charge.

Refrigerant(s)	R134a, R513A
Displacement	5,6 cm³ / 0,34 cu.in
Compressors on pallet	100

Image: A SECOP FRK-Series compressor unit.

Configurations

General Configurations

General Configurations with FRK7.5G
Parameter	Conf. 1	Conf. 2
Motor configuration	CSIR	CSIR
Power supply (nominal)	220-240V/50Hz	208-230V/60Hz
Number of phases	1	1
Voltage range	187-254V	198-253V
Approvals	VDE, CB, UL	VDE, CB, UL
Starting torque	HST	HST
Note	-/-	-/-

Applications

Applications with FRK7.5G
Parameter	Conf. 1	Conf. 2
Refrigerant	R134a	R134a
Application	LBP+MBP+HBP	LBP+MBP
System cooling	fan 3m/s	fan 3m/s
Hot gas defrost	OK ✔️	OK ✔️
Long interval pull down	OK ✔️	OK ✔️

Electrical Data

Electrical Data - Configurations with FRK7.5G
Parameter	Conf. 1	Conf. 2
Starting device type	relay	relay
Run capacitor	-/-	-/-
Start capacitor	80µF	80µF
LRA (locked rotor amps / 4s/ U(N))	11,4A	-/-A
RLA (rated load amps / 1s/ U(N))	1,2A	-/-A
Cut in current (U(N))	10,7A	-/-A

Dimensions and Physical Data

Diagram: Shows the overall dimensions of the compressor labeled A (Height), B (Height), C (Length shell), D (Length w. cover), and E (Width), with corresponding measurements in mm and inches.

Compressor Dimensions - Housing
Dimension	Value (mm)	Value (in)
A Height	182	7,17
B Height	175	6,89
C Length shell	198	7,8
D Length w. cover	238	9,37
E Width	160	6,3

Connectors

Connectors Data
Parameter	Connector Type
Parameter	Suction (X)	Discharge (Y)	Process (Z)
Diameter [mm] (i:inside, o:outside)	øi 8,11-8,29	øi 6,11-6,29	øi 6,11-6,29
Diameter [in] (i:inside, o:outside)	øi 0,32-0,33	øi 0,24-0,25	øi 0,24-0,25
Material	copper	copper	copper
Horizontal angle	+2°	35°	13°	0°
Vertical angle	+2°	30°	40°	145°
Position l/h/w [mm]	119/73/59	117/107/66	-88/101/71
Position l/h/w [in]	4,7/2,9/2,3	4,6/4,2/2,6	-3,5/4/2,8
Straight tube l. [mm]	14	14	14
Straight tube l. [in]	0,5	0,5	0,5

Compressor Fixation

Diagram: Illustrates the compressor fixation points, including baseplate dimensions (BI, Bw, E), large holes (Ll, Lw, ØL), and small holes (Sl, Sw, ØS). It also shows mounting accessories like bolt joints and snap-on types with their corresponding part numbers.

Compressor Fixation - Baseplate Dimensions
Feature	Dimensions
Feature	[mm]	[inch]
Baseplate BI	204	8.03
Baseplate Bw	132	5.2
Baseplate ØE	9.7	0.38
Large holes Ll	165	6.5
Large holes Lw	101.6	4
Large holes ØL	Ø 19	Ø 0.75
Small holes Sl	170	6.7
Small holes Sw	70	2.76
Small holes ØS	Ø 16	Ø 0.63

Mounting Accessories

Bolt joint | M6 | Ø16mm: one comp. 118-1917, multi pack 118-1918
Bolt joint | Ø1/4" | Ø16mm: 118-1946
Bolt joint | Ø1/4" | Ø19mm: 118-1949
Snap-on | Ø7,3 | Ø16mm: 118-1947, 118-1919

Application Notes

Provision for PE Grounding is located at the PE Stamp on the compressor.
Suction gas connector and Process connector can be switched (minor loss of cooling capacity).

Operating Conditions

Ambient/Machine Room Temperatures Minimum/Maximum

Ambient temperature range: 10 - 43°C / 50 - 110°F
Machine room temperature range: 10 - 48°C / 50 - 119°F

Compressor Cooling: fan 3m/s

Diagram: Two graphs illustrating the operation pressure range. The top graph shows Condensing Pressure (bar) versus Temperature (°C/°F), indicating continuous and transitory operation zones. The bottom graph shows Condensing Pressure (bar) versus Evaporation Pressure (bar), also indicating continuous and transitory operation zones.

Operation Pressure Range

Condensing pressure (sat. temp.) vs. Evaporation pressure (sat. temp.)

Note: Graphs are illustrative and show typical operating envelopes.

Electrical Accessories and Wiring Diagram

Diagram: Shows the electrical accessories and wiring schematic for the compressor, including components like a current relay (a5) and a start capacitor (c), along with cover and clamp parts (b, d). A list of components and their part numbers is provided.

Components

a5 current relay (T0089/L6-S2): 117U7070
c start capacitor (80µF, 6.3mm): 117U5001
b, d cover + clamp + screws(5VA-compl.): 103N0600

Alternative Components

b, d 100x cover + clamp + screws(5VA): 103N2060
b, d cover + clamp + screws(5VA) in bag: 103N1060

Performance Data

Optimization + Standard Conditions

Performance Data - Optimization + Standard Conditions (Conf. 1: 220-240V/50Hz)
Condition	Evaporating pressure (saturation temperature)			Condensing pressure (saturation temperature)			Return gas temp.	Liquid temp.	Cooling capacity			COP [W/W]	EER		Power consumption	Ref. mass flow [kg/h]
Condition	pe [°C]	pe [°F]	pc [°C]	pc [°F]	[W]	[Btu/h]	Return gas temp.	Liquid temp.	[kcal/h]	[Btu/Wh]	[kcal/Wh]	COP [W/W]	P1 [W]	I [A]		Ref. mass flow [kg/h]
ASHRAE LBP	-23	-10	54	130	32	32	151,7	518	130,6	1,28	4,38	1,10	118,3	1,06	2,95
ASHRAE MBP	-7	20	54	130	35	95	325,4	1111	280,1	1,86	6,37	1,60	174,6	1,21	7,10
ASHRAE HBP	7,2	45	54	130	35	95	583,4	1992	502,1	2,65	9,06	2,28	219,9	1,36	12,94
EN12900 LBP	-35	-31	40	104	20	68	79,0	270	68,0	0,96	3,28	0,83	82,2	0,99	1,73
EN12900 MBP	-10	14	45	113	20	45	281,1	960	241,9	1,87	6,37	1,61	150,6	1,14	6,58
EN12900 HBP	5	41	50	122	20	50	497,7	1700	428,3	2,45	8,37	2,11	203,1	1,30	12,54

Performance Data - Optimization + Standard Conditions (Conf. 2: 208-230V/60Hz)
Condition	Evaporating pressure (saturation temperature)			Condensing pressure (saturation temperature)			Return gas temp.	Liquid temp.	Cooling capacity			COP [W/W]	EER		Power consumption	Ref. mass flow [kg/h]
Condition	pe [°C]	pe [°F]	pc [°C]	pc [°F]	[W]	[Btu/h]	Return gas temp.	Liquid temp.	[kcal/h]	[Btu/Wh]	[kcal/Wh]	COP [W/W]	P1 [W]	I [A]		Ref. mass flow [kg/h]
ASHRAE LBP	-23	-10	54	130	32	32	187,0	639	160,9	1,34	4,56	1,15	140,0	1,18	3,63
ASHRAE MBP	-7	20	54	130	35	95	384,7	1314	331,1	1,89	6,45	1,63	203,7	1,35	8,39
ASHRAE HBP	7,2	45	54	130	35	95	681,9	2329	586,8	2,65	9,04	2,28	257,7	1,53	15,13
EN12900 LBP	-35	-31	40	104	20	68	96,1	328	82,7	1,05	3,58	0,90	91,6	1,08	2,11
EN12900 MBP	-10	14	45	113	20	45	330,6	1129	284,6	1,86	6,34	1,60	178,1	1,27	7,74
EN12900 HBP	5	41	50	122	20	50	580,4	1982	499,5	2,40	8,20	2,07	241,6	1,47	14,62

Performance Tables

Performance Tables (Conf. 1: 220-240V/50Hz)
Condition	pe		Cooling capacity			COP [W/W]	EER		Power consumption			Ref. mass flow [kg/h]
Condition	[°C]	[°F]	[W]	[Btu/h]	[kcal/h]	COP [W/W]	[Btu/Wh]	[kcal/Wh]	[W]	[A]		Ref. mass flow [kg/h]
cond. pressure pc= 45/113	-35	-31	74,4	254	64,0	0,91	3,11	0,78	81,7	0,99	1,60
	-25	-13	131,0	447	112,7	1,20	4,08	1,03	109,5	1,04	2,84
return gas temp. RGT= 32/90	-15	5	227,1	776	195,5	1,66	5,66	1,43	136,9	1,11	4,95
	-10	14	291,6	996	251,0	1,94	6,61	1,67	150,6	1,14	6,38
liquid temp Tliq= 45/113	0	32	456,4	1559	392,8	2,56	8,75	2,20	178,2	1,22	10,09
	5	41	558,1	1906	480,3	2,90	9,92	2,50	192,1	1,27	12,42
	15	59	802,8	2742	690,9	3,64	12,43	3,13	220,5	1,37	18,18
cond. pressure pc= 55/131	-35	-31	61,0	208	52,5	0,80	2,72	0,69	76,6	0,98	1,45
	-25	-13	111,2	380	95,7	0,99	3,37	0,85	112,6	1,05	2,66
return gas temp. RGT= 32/90	-15	5	195,0	666	167,8	1,32	4,52	1,14	147,2	1,13	4,69
	-10	14	250,9	857	216,0	1,53	5,22	1,32	164,1	1,18	6,07
liquid temp Tliq= 55/131	0	32	394,2	1346	339,3	2,00	6,82	1,72	197,4	1,28	9,64
	5	41	482,7	1649	415,5	2,26	7,71	1,94	213,9	1,34	11,90
	15	59	696,7	2379	599,6	2,83	9,65	2,43	246,6	1,46	17,50

Performance Tables (Conf. 2: 208-230V/60Hz)
Condition	pe		Cooling capacity			COP [W/W]	EER		Power consumption			Ref. mass flow [kg/h]
Condition	[°C]	[°F]	[W]	[Btu/h]	[kcal/h]	COP [W/W]	[Btu/Wh]	[kcal/Wh]	[W]	[A]		Ref. mass flow [kg/h]
cond. pressure pc= 45/113	-35	-31	89,5	306	77,0	0,99	3,38	0,85	90,5	1,08	1,93
	-25	-13	160,4	548	138,0	1,26	4,32	1,09	126,9	1,15	3,47
return gas temp. RGT= 32/90	-15	5	270,2	923	232,5	1,68	5,73	1,44	161,1	1,23	5,89
	-10	14	343,0	1172	295,2	1,93	6,58	1,66	178,1	1,27	7,51
liquid temp Tliq= 45/113	0	32	531,1	1814	457,1	2,49	8,52	2,15	212,9	1,38	11,75
	5	41	649,0	2217	558,6	2,81	9,58	2,41	231,3	1,44	14,45
	15	59	939,2	3208	808,3	3,46	11,82	2,98	271,3	1,57	21,27
cond. pressure pc= 55/131	-35	-31	70,0	239	60,2	0,76	2,60	0,65	91,9	1,08	1,67
	-25	-13	137,4	469	118,2	1,03	3,50	0,88	134,0	1,16	3,28
return gas temp. RGT= 32/90	-15	5	235,2	803	202,4	1,36	4,65	1,17	172,9	1,26	5,66
	-10	14	298,8	1021	257,2	1,56	5,32	1,34	191,8	1,31	7,23
liquid temp Tliq= 55/131	0	32	462,1	1578	397,7	2,01	6,86	1,73	229,9	1,43	11,30
	5	41	564,5	1928	485,8	2,26	7,72	1,95	249,6	1,50	13,91
	15	59	817,1	2790	703,2	2,80	9,57	2,41	291,4	1,65	20,52

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