Hoshizaki Essential Service Manual for Icemakers - KM-2400SRH3

Please review this manual. It should be read carefully before the icemaker is serviced or maintenance operations are performed. Only qualified service technicians should service and maintain the icemaker. This manual should be made available to the technician prior to service or maintenance.

	CONTENTS
		PAGE
I. SPECIFICATIONS		5
1.	KM-2400SRF3, KM-2400SRH3 (Remote air-cooled, 3 phase)	5
2.	CONDENSING UNIT, URC-24F	6
II. GENERAL INFORMATION		8
1.	CONSTRUCTION	8
2.	CONTROLLER BOARD	9
	[a] SOLID-STATE CONTROL	9
	[b] CONTROLLER BOARD	9
	[c] SEQUENCE	14
	[d] CONTROLS AND ADJUSTMENTS	17
	[e] CHECKING THE CONTROLLER BOARD	20
III. TECHNICAL INFORMATION		22
1.	WATER CIRCUIT AND REFRIGERANT CIRCUIT	22
2.	WIRING DIAGRAM	23
3.	TIMING CHART	24
4.	PERFORMANCE DATA	26
IV. SERVICE DIAGNOSIS		27
1.	NO ICE PRODUCTION	27
2.	EVAPORATOR IS FROZEN UP	30
3.	LOW ICE PRODUCTION	31
4.	ABNORMAL ICE	31
5.	OTHERS	31
V. REMOVAL AND REPLACEMENT OF COMPONENTS		32
1.	SERVICE FOR REFRIGERANT LINES	32
	[a] REFRIGERANT RECOVERY	32
	[b] EVACUATION AND RECHARGE	32
2. BRAZING		33
3. REMOVAL AND REPLACEMENT OF COMPRESSOR		34
4. REMOVAL AND REPLACEMENT OF DRIER		35
5. REMOVAL AND REPLACEMENT OF EXPANSION VALVE		36
6. REMOVAL AND REPLACEMENT OF HOT GAS VALVE
	AND LINE VALVE	37

3