SIGNA MR355 / SIGNA MR360
Service Manual
5856356-3EN Revision 5.0
Basic Service Documentation. Copyright General Electric Company.
Object ID: 00000018WIA30153F20GYZ
Topic ID: id_13106647 Version: 1.3
Date: Sep 18, 2020 4:37:43 AM

Cooling Unit

Cooling Assy for Cabinet or BRM

Figure 1. Cooling Assy for Cabinet or BRM

Table 1. Cooling Assy for Cabinet or BRM
Item	Part Number	Description	Qty	FRU	Lower Assy
	5364449	4 KW LCS FRU kit		Yes	Spare parts for 4 KW LCS
	5364448	8 KW LCS FRU kit		Yes
	5364447	SV MCS FRU kit		Yes	SV MCS FRU kit
	5174313-4	SV Cabinet Coolant Water~ 5L		Yes
	2222564-30	50 and 60 HZ BRM chiller by Lytron		Yes
	5727409	2 RUBBER HOSE WITH 8 CLAMPS		Yes

Spare parts for 4 KW LCS

Table 2. Spare Parts for 4 KW LCS
Item	Part Number	Description	Qty	FRU	Lower Assy
1	2222564-29	LYTRON PUMP	1	Yes
2	2222564-25	LYTRON MOTOR	1	Yes
3	2222564-31	Motor Coupling Kit	1	Yes

SV MCS FRU kit

Table 3. SV MCS FRU kit
Item	Part Number	Description	Qty	FRU	Lower Assy
1	5789467	Circuit Breaker	1	Yes

BRM Chiller (with equipment room configuration)

Figure 2.

Table 4. Cooling Unit (for BRM Chiller)
Item	Part Number	Description	Qty	FRU	Lower Assy
1	2222564–30	LYTRON CHILLER, 50Hz OR 60Hz		Yes
2	2222564–23	LYTRON CIRCUIT BREAKER		Yes
3	2222564–29	LYTRON PUMP		Yes
4	2222564–25	LYTRON MOTOR		Yes
5	2222564–26	LYTRON KEY PAD		Yes
6	2222564–27	LYTRON FLOW SWITCH		Yes
7	2222564–28	LYTRON HOSE FITTINGS		Yes
8	2260427	COOLANT (1 GALLON) (LYTRON ONLY)		Yes
9	2222564-31	Motor Coupler used on Lytron pump and motor.		Yes

Shield/Cryo Cooler Compressor

Figure 3. Shield/Cryo Cooler Compressor

Table 5. F-50
Part Number	Description	Qty	FRU	Lower Assy
5335002	Flow Control Adapter, NPT	1	Yes
5271637	Return Gas Line Adaptor, F-50 Compressor	1	Yes
5265687	Gas Line Adaptor, Supply, 180 degree, F-50 compressor	1	Yes
5314887	Service Spare, Sumitomo F-50H Compressor	1	Yes
5368565	Service Spare, Sumitomo F-50L Compressor	1	Yes
5812867	F-50SH compressor service FRU	1	Yes
5823886	Fuse Kit, Sumitomo F-50SH Compressor		Yes

Table 6. Air Cooled Compressor 2180914
Item	Part Number	Description	Qty	FRU	Lower Assy
1	5497024	Compressor~ Sumitomo~ CSA-71		Yes
2	5330743	Transformer for Sumitomo CSA-71A compressor		Yes
3	2172240	CABLE, INPUT POWER, AIR COOLEDCOMPRESSOR, SUMITOMO CSA-71A		Yes
4	2154502-2	(621) GAS LINE, FLEXIBLE (SUPPLY) 65.6 FT. OR 20 M LONG		Yes
5	2154505-2	(622) GAS LINE, FLEXIBLE (RETURN) 65.6 FT. OR 20 M LONG		Yes
6	2259837	CABLE ASM,COLD HEAD CONTROL,LCC		No	2155316-22218292
7	2155316-2	(623) CBL COMPRESSOR TO PEN PNL, OBO 49.21 FT OR 15.00 M LONG		Yes
8	2191112-13	2A FUSE, SUMITOMO CRYOCOOLER SUMITOMO P/N RE71WT0600		Yes
9	2218292	(624) CONTROL CABLE, COLDHEAD		Yes

Spare Parts for Airsys 11kW Chiller

Figure 4. 11kW Chiller

Table 7. Spare Parts for Airsys 11kW Chiller
Item	Part Number	Description	Qty	FRU	Lower Assy
	2297672	Propylene Glycol		Yes

Spare Parts for Blower

Figure 5. Blower

Table 8. Spare Parts for Blower
Item	Part Number	Description	Qty	FRU	Lower Assy
	2279001	Air Filter (Includes 10 pieces)		Yes
	2121199-8	Small blower w/mtg bracket and capacitor asm		Yes
	2121199-9	Large blower w/mtg bracket and capacitor asm		Yes
	5727515	BLOWER. HOSE KIT		Yes