KFM-SC-40-S - Air conditioner Hydra Kool - Free user manual and instructions
Find the device manual for free KFM-SC-40-S Hydra Kool in PDF.
| Product Type | Refrigerated Display Case (Seafood Curved Glass) |
| Model | KFM-SC-40-S |
| Brand | Hydra Kool |
| Dimensions (L x D x H) | 40 1/2" x 49 1/8" x 61 1/8" |
| Service Dimensions (L x D x H) | 40 1/2" x 49 1/8" x 62 1/8" |
| Volume | 6.0 ft³ |
| Refrigerant | R404A, 14.10 oz |
| Electrical Supply | 115V, 60Hz, 1 Phase |
| Total Amps (Self-Contained) | 12.68 A |
| Compressor FLA / LRA | 8.4 A / 43 A |
| Defrost Type | Automatic, 3 cycles per day |
| Controller | Carel IR33FOAHEO Electronic Controller |
| Lighting | LED |
| Fan Types | Condenser Fan and Evaporator Fan |
| Self-Contained | Yes |
| Temperature Setting | 32°F (for deli/meat/fish) |
| Loading Limit (Decks) | 31 lb/ft² |
| Loading Limit (Glass Shelves) | 5.5 lb/ft² |
| Construction | Curved glass front with stainless steel panels |
| Warranty | 12 months on parts |
| Cleaning | Exterior and interior with mild detergent; avoid abrasives |
| Safety | Requires properly grounded dedicated NEMA receptacle |
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Download the instructions for your Air conditioner in PDF format for free! Find your manual KFM-SC-40-S - Hydra Kool and take your electronic device back in hand. On this page are published all the documents necessary for the use of your device. KFM-SC-40-S by Hydra Kool.
USER MANUAL KFM-SC-40-S Hydra Kool

MVP GROUP CORPORATION www.mvpgroupcorp.com



HYDRA KOOL
5659 ROYALMOUNT AVE.
MONTREAL, QC H4P2P9
TEL: 514-737-9701 1-888-275-4538
FAX: 514-342-3854 1-877-453-8832
12000 BISCAYNE BLVD. STE 108
MIAMI, FL 33181
TEL: 786-600-4687 1-844-218-8477
FAX: 786-661-4100
sales@mvpgroupcorp.com www.mvpgroupcorp.com
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1 General information 5
1.1 Case description 5
2 Getting started with your KFM series 25
2.1 Location 25
2.2 Uncrating 25
2.2.1 Front and sides assemblies 27
2.3 Check for damage 29
2.4 Control panel and main features 30
2.5 Check serial, model numbers and requested options 32
2.6 Warning/Caution labels 34
2.7 Check your electrical installation 38
2.8 Electrical, drain and refrigeration connections (remotes only) 38
2.9 Joining 39
2.10 Plugging and start 47
3 Refrigeration 49
3.1 Self contained refrigeration equipment and defrost 49
3.2 Refrigeration loads (remotes only) 51
4 Electrical 52
4.1. Electrical specifications data 52
4.2 Electrical service receptacles (optional) 54
4.3 Electrical diagrams 55
4.4 Electronic controller 63
5 Maintenance 66
5.1 Exterior cleaning 66
5.2 Interior cleaning 67
5.3 Shelf removing 67
5.4 Sliding doors removal 68
5.5 Light substitution 69
5.6 Panels and protection grill removal 70
5.7 Condensator cleaning 70
5.8 Evaporator cleaning 71
5.9 Evap Pan cleaning 71
5.10 Fish Pans cleaning 72
5.11 Drain inspection 73
5.12 Glass type conversion model 73
6 Troubleshooting/Service 74
6.1 Troubleshooting 74
6.2 Service 75
7 Warranty 77
8 Notes 78
7 Warranty
12 month warranty for all parts from the invoice date. A new part will be provided free of charge. Defective part must be returned to the manufacturer.
Warranty claims: All claims must include model number, serial number, date of purchase, date of installation and additional information about the supposed defect.
All service work must be authorized by MVP group.
MVP group reserves the right to select the service company.
Loss of food or other damages caused by faulty equipment aren't covered by this warranty.
Warranty does not cover damage when uncrating.
Work made necessary, by lack of maintenance or cleaning are not covered by this warranty.
Warranty does not cover damage or malfunction result of improper use or installation.
Warranty does not cover negligence, misuse and operation on wrong voltage.
Warranty does not apply if the serial number is altered or defaced.
Failure to comply with the instructions in this manual shall avoid warranty.
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| Service by | Type of action | Date | Serial number and model |
1 General information
1.1 Case description
KFM series model (number) system.
KFM CG 40 S
AAA BB CC D
AAA
B
U
D
Basic model
Model variation
Length
Type of Unit.
CG-Curved glass tilt forward
40"
S-Self Contained
FG-Flat glass tilt forward
50"
R-Remote
OF-Open front
60"
D-Dry
SC-Seafood curved glass tilt
80"
forward
100"
SF-Seafood flat glass tilt
120"
forward
SO-Seafood open front
KFM SERIES

KFM-CG-S(R)(D)

KFM-CG-S(R)(D)
Equipment runs constantly:
Condenser
dirty.
Condenser
fan
malfunction.
Temperature and relative humidity too high.
Starting relay burns out:
Low
voltage.
High
voltage.
Compressor
short
cycles.
Incorrect
running
capacitor.
Incorrect
relay.
Head pressure too high:
Unit
overcharged.
Air or other non condensable gases in the system.
Clogged
condenser.
Defective condenser fan motor.
Unit location too hot.
Restriction in charge line.
Head pressure too low:
Insufficient
refrigerant
charge.
Leak in the system.
Cold
location.
Noisy unit:
Compressor oil charge low.
Fan blade causing vibrations.
Tube
rattle.
Loose
parts.
Case not leveled.
6.2 Service

operation must be performed by a qualified technician.

pare parts, contact your distributor.
6 Troubleshooting/Service
6.1 Troubleshooting

Service must be performed by a qualified technician.
Doors not closing:
Check for leveled floor.
Check
for
obstruction.
Remove doors and check the bearings.
Lights not working:
Check light switch position.
Check
light
connections.
Warm case temperature:
Check for air return grille obstruction.
Check for air drafts.
Check
store
temperature.
Check for condenser obstruction and cleaning.
Check for frozen evaporator.
Check
set
point.
Display area is over filled.
Fans not working:
Check electrical connections.
Check for any debris.
Case not aligning:
Check for leveled floor.
Check instructions for joining.
Display not working:
Check main power switch position..
Check
electrical
connections.
Compressor not starting:
Disconnect switch open.
Blown
fuse.
Overload
protective
tripped.
Low charge of refrigerant.
Relay
defective.

KFM-SC-S(R)

KFM-SC-S(R)

KFM-FG-S(R)(D)

KFM-FG-S(R)(D)
5.11 Drain inspection

Check for drain obstruction and correct position every month (Remotes only).

5.12 Glass type conversion model

This operation must be performed by a qualified technician.
Contact distributor for specific manual to assist in conversion.
To access the evap pan:
- Remove protection grille.
- Unplug the evap pan.
- Relieve the screws and take the evap pan off.
- Clean with soft detergent or warm water.

5.10 Fish Pans cleaning
This operation must be performed by a qualified technician.
All operations must be done with the unit disconnected.
To access the fish pan:
- Remove the front glass
- Empty the fish pan
- Clean the pan with adequate detergent and warm water
- Remove all particles from the drain


KFM-SF-S(R)

KFM-SF-S(R)

KFM-OF-S(R)(D)

KFM-OF-S(R)(D)
5.8 Evaporator cleaning

This operation must be performed by a qualified technician.

operations must be done with the unit disconnected.
To access the evaporator:
- Open your unit
- Lift and remove exposition panels
- Use tool for the screws and clean


5.9 Evap Pan cleaning
This operation must be performed by a qualified technician.
All operations must be done with the unit disconnected.
Pan! can be hot!
This operation must be done weekly.
5.6 Panels and protection grille removal

KFM-SO-S(R)
This operation must be performed by a qualified technician.
All operations must be done with the unit disconnected.
Condenser must be regularly cleaned (every month). Use a brush or vacuum it. To get to the condenser must remove frontal panel.
5.7 Condenser cleaning

KFM-SO-S(R)
Implantation

Drain outlet

Electrical board

Refrigeration piping
5.5 Light substitution
To replace lights follow the steps:

operations must be done with the unit disconnected.
- Disconnect the light
- Unscrew the light holder and remove the light
- Insert a new light in the same place of the old one, screw the holder connect it
- Screw the light and connect it
- Plug and turn on the light
← Front

KFM-CG-xx-S

5.4. Back Sliding doors removal
Back sliding doors are easy to take off.
- Grab door push up and then tilt the bottom towards you.
To put the door back on, just reverse the previous step.

KFM-CG-xx-R

Drain outlet

Electrical board

Refrigeration piping

Electrical wiring
For easier cleaning remove the front glass (instructions below).

5.2 Interior cleaning
All operations must be done with the unit disconnected.
Clean surfaces (glass/metal/plastic) with soft detergent or warm water. Do not use abrasive cleanser.

5.3 Shelf removing
All operations must be done with the unit disconnected.
To remove or adjust shelves take care with light connections.
KFM-FG-xx-S
Main parameters:
| Symbol | Code | Parameter | Models | UOM | Type | Min | Max | Def. |
| /3 Probe display response MSYF | - | C | 0 | 15 | 0 | |||
| /5 | Select °C or °F0: °C1: °F | MSYF | β og | C | 0 | 1 | 0 | |
| /4.2 | Configuration of probe 2 (S2)0: Probe absent1: Product probe (display only)2: Defrost probe3: Condenser probe4: Antifreeze probe | YFSM | - | CC | 00 | 44 | 22 | |
| /c1 | Calibration of probe 1 | MSYF | °C/°F | C | -20 | 20 | 0,0 | |
| SI | Temperature set point | MSYF | °C/°F | F | rl | r2 | 0,0 | |
| rd | Control delta | SYF | °C/°F | F | 0,1 | 20 | 2,0 | |
| c2 | Minimum compressor OFF time | SYF | min | C | 0 | 15 | 0 | |
| d1 | Interval between defcosts | SYF | hours | f | 0 | 250 | 8 | |
| dP1 | Maximum defrost duration, evaporator | SYF | min | f | 1 | 250 | 30 | |
5 Maintenance
5.1 Exterior cleaning

All operations must be done with the unit disconnected.
Clean surfaces (glass/metal/plastic) with soft detergents or warm water. Do not use abrasive cleanser.


KFM-CG-xx-R

Drain outlet

Electrical board

Refrigeration piping
▲ Front
KFM-OF-xx-S
Signals on the display
The blinking status indicates a request for activatin that cannot be implemented until the end of the corresponding delay times.
| Icon | Function COMPRESS. FAN | ON compressor ON comp. OFF compressor request | blink | Startups | |
| fan ON | fan OFF | fan request | |||
| DEFROST | defrost in progress | defrost not required | defrost request | ||
| AUX | AUX | auxiliary output AUX active | auxiliary output anti-AUX not active | sweat heater function active | |
| ALARM | delayed external alarm (before the expiry of the time '47') | no alarm present | alarms in normal operation (eg. high/low temp.) or alarm from ext. digital input immediate or delayed | ||
| CLOCK | at least one timed defrost has been set | no timed defrost is present | clock alarm | ON if Real-Time Clock present | |
| LIGHT | auxiliary output LIGHT ACTIVE | auxiliary output LIGHT NOT ACTIVE | anti-sweat heater function active | ||
| SERVICE | no malfunction | malfunction (eg. EEPROM error or probe fault) | |||
| HACCP | HACCP | HACCP function | HACCP function enabled | HACCP alarm (HA and/or HF) not enabled | |
| CONTINUOUS CYCLE | enabled | not enabled | request | ||

Controller must be handled by a qualified technician.
Buttons on the keypad
Normal operation
Button|Press, the button alone Pressing together with other buttons
| Prgmute | · if pressed for more than 5 s accessed the menu for setting type "F" (frequent) parameters · in the event of alarm: silences the audible · if pressed for more than 1 s, enables/disables the auxiliary output | · if pressed for more than 5 s together with the SET button, accesses the menu for setting the type "C" (configuration) or downloading the parameters pressed for more than 5 s together the UP/AUX button resets any alarm with manual reset | Start-up : if Automatic address pressed for assignment: more than if pressed for 1 s enters 5 s at start-up, the automatic serial starts the address assigning default procedure parameter setting | |
| aux | if pressed for more than 1 s, enables/disables the auxiliary output | · if pressed for more than 5 s together with DOWN/DEF button, enables/disables the continuous cycle operation · if pressed for more than 5 s with SET button, starts the procedure for printing the reports (function available, with management to be implemented) · if pressed for more than 5 s together with PRG/MUTE button, resets any active alarm with manual reset | ||
| def▼ | if pressed for more than 5 s, enables/disables a manual defrost | · if pressed for more than 5 s together with UP/AUX button, enables/disables the continuous cycle operation · if pressed for more than 1 s together with SET button, displays a submenu with the HACCP alarm parameters (HA, HAn, HF, HFr) | ||
| Set | if pressed for more than 1 s, displays and/or set the set point | · if pressed for more than 5 s together with PRG/MUTE button, accesses the menu for setting the type "C" parameters "C" (configuration) or downloading the parameters if pressed for more than 1 s together with DOWN/DEF button, displays a submenu with the HACCP alarm parameters (HA, HAn, HF, HFr) if pressed for more than 5 s together with UP/AUX, starts the procedure for printing the report (function available, with management to be implemented) | ||
Relay outputs depending on the model
| EN 60730-1 UL B7/3 | ||||
| model | relay | 250 V~ | operating cycles cycles | 250 V~ operating |
| iRxxxx(T,A)(P,O,S,U,V,X,Y,Z)xxx | R2 (*) | 5(1)A 5 A resistive | 100000 | 6 LRA C 300 |
| iRxxxx(E,A)(N,R,C,B,A,M,L,T)xxx | R3 (*) | 5(1)A | 100000 | 5 A resistive 1FLA6 LRA C 300 |
| iRxxxx(E,A)(N,R,C,B,A,M,L,T)xxx | R1,R2 | 8 (4)A N.O.6 (4)A N.C.2 (2)A N.O./N.C. | 100000 | 8 A resistive 2FLA12 LRA C300 |
| iRxxxx(O,L,H)(N,R,C,B,A,M,L,T)xxx | R2,R3R4 (*) | |||
| iRxxxx(E,A)(P,O,S,U,V,X,Y,Z)xxx | R1 | 12 (2)A N.O./N.C. | 100000 | 12 A resistive 5FLA30 LRA C300 |
| iRxxxx(O,L,H)(N,R,C,B,A,M,L,T)xxx | R1 (*) | |||
| insulation from very low voltage parts | reinforced | |||
| 6 mm clearance, 8 mm creepage | ||||
| 3750 V insulation | ||||
| insulation between the relay outputs independent | basic | |||
| 3 mm clearance, 4 mm creepage | ||||
| 1250 V insulation | ||||
SSR outputs | Max output voltage: 12 Vdc, Output resistance: 600 Ω, Max output current: 20 mA
(*). Relay not suitable for fluorescent loads (neon lights, ...) that use starters (ballasts) with phase-shift capacitors. Fluorescent lamps with electronic control devices or without phase-shift capacitors can be used, within the operating limits specified for each type of relay.
| Connessioni | Type of connection | Cross-section Max. current | |||
| Model Relay P. Supply Probes for wires from 12 A IRxxxxxx0xx screw screw screw IRxxxx(E,A)x1xx IRxxxxxx2xx removable removable removal IRxxxx(E,A)x3xx IRxxxx(E,A)x5xx vertical screw vertical screw vertical screw vertical screw vertical screw vertical screw vertical screw vertical screw vertical screw vertical screw vertical screw vertical screw vertical screw vertical screw vertical screw vertical screw vertical screw vertical screw vertical screw vertical screw vertical screw vertical screw vertical screw vertical screw vertical screw vertical screw vertical screw vertical screw vertical screw vertical screw vertical screw vertical screw vertical screw vertical screw vertical screw vertical screw vertical screw vertical screw vertical screw vertical screw vertical screw vertical screw vertical screw vertical screw vertical screw vertical screw vertical screw vertical screw vertical screw vertical screw vertical ScrewVertical ScrewVertical ScrewVertical ScrewVertical ScrewVertical ScrewVertical 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Removableremovableremovableremovableremovableremovableremovableremovableremovableremovableremovableremovableremovableremovableremovableremovableremovableremovableremovableremovableremovableremovableremovableremovableremovableremovableremovableremovableremovableremovableremovableremovableremovableremovableremovableremovableremovableremovableremovableremovableremovableremovableremovableremovableremovableremovableremovableremovableremovableremovableremovablereserve | Type of connection | Cross-sectionMax. current | ||
the installer has to provide the correct dimensioning of the power supply and cable connection between the instruments and the loads. Depending on the model, the maximum current in the common terminals 1, 3 or 5 is 12 A. When using the controller at maximum operating temperature and full load, use cables featuring a maximum operating temperature of 105 °C at least.

Controller must be handled by a qualified technician.
KFM-OF-xx-R

Drain outlet

Electrical board

Refrigeration piping
4.4. Electronic controller

Carel - IR33FOAHEO
TECHNICAL SPECIFICATIONS
| Model Voltage Power | |||
| Power supply | IRxxxxExxxx | 230 V~, 50/60 Hz 3 VA, 25 mA~max. | |
| IRxxxxAxxxx | 115V~, 50/60 Hz 3 VA, 50 mA~max. | ||
| IRxxxxHxxxx | 115 to 220 V~, 50/60 Hz 6 VA, 50 mA~max. | A~max. | |
| IRxxxxLxxxx | 12 to 24V~, 50/60 Hz, 12 to 30 Vdc | 3 VA, 300 mA~/mAdc max. | |
| IRxxxx0xxxx | 12V~, 50/60 Hz, 12 to 18 Vdc | Use only SELV power supply | |
| Insulation guaranteed by the power supply | IRxxxxExxxx | insulation in reference to very low voltage parts | reinforced6mm clearance, 8 mm creepage3750 V insulation |
| IRxxxxAxxxxIRxxxxHxxxx | basic3mm clearance, 4 mm creepage1250V insulation | ||
| insulation from relay outputs | externally guaranteed by safety transformer (SELV power supply) | ||
| IRxxxxLxxxxIRxxxx0xxxx | insulation in reference to very low voltage parts | reinforced6mm clearance, 8 mm creepage3750 V insulation | |
| insulation from relay outputs | |||
| Inputs | S1 (probe 1) | NTC (IRxxx0xxxxx) o NTC e PTC (IRxxx7xxxxx) | |
| S2 (probe 2) | NTC (IRxxx0xxxxx) o NTC e PTC (IRxxx7xxxxx) | ||
| DI 1 | free contact, contact resistance < 10 Ω, closing current 6 mA | ||
| S3 (probe 3) | NTC (IRxxx0xxxxx) o NTC e PTC (IRxxx7xxxxx) | ||
| DI 2 | free contact, contact resistance < 10 Ω, closing current 6 mA | ||
| S4 (probe 4) | NTC (IRxxx0xxxxx) o NTC e PTC (IRxxx7xxxxx) | ||
| Maximum distance of probes and digital inputs less than 10 m.Note: during installation keep the power and loads connection separate from probe cables,digital inputs, repeater display and supervisory system. | |||
| Probe type | Std. CAREL NTC | 10 kΩ at 25 °C, - 50T90 °C range | |
| measurement error: | 1 °C in the - 50T50 °C range | ||
| 3 °C in the - 50T90 °C range | |||
| NTC high temperature | 50 kΩ at 25 °C, - 40T150 °C range | ||
| measurement error: | 1,5 °C in the - 20T115 °C range | ||
| 4 °C in the - 20T115 °C range | |||
| PTC std. CAREL(specifi c model) | 985 Ω a 25 °C, range da - 50T150 °C | ||
| measurement error: | 2 °C in the - 50T50 °C range | ||
| 4 °C in the - 50T150 °C range | |||
←Front
KFM-SC-xx-S
©Z
9 Terminal block
12 Evaporator fan
20 | Light switch
21 | Pilot light
22 | Switch
29 | Transformer
30 | Led lighting
Discription
KFM-SC-xx-R

Drain outlet

Electrical board

Refrigeration piping

Electrical wiring
KFM-CG/FG-40/50/60/80/100/120-D
← Front
![graph TD A["Switch"] --> B["Motor"] C["Switch"] --> D["Motor"] E["Motor"] --> F["Ground"] G["Ground"] --> H["Ground"] I["Ground"] --> J["Ground"] K["Ground"] --> L["Ground"] M["Ground"] --> N["Ground"] O["Ground"] --> P["Ground"] Q["Ground"] --> R["Ground"] S["Ground"] --> T["Ground"] U["Ground"] --…](/content/2026/06/1220570/images/bcfe15b25744b89b30477b2db45d78870ded9de18abc23aef63957ada1d7a5c8.jpg)
KFM-SF-xx-S
6 Controller
7 Temperature probe
9 Terminal block
11 Ground connection
12 Evaporator fan
20 | Light switch
21 Pilot light
22 | Switch
29 Transformer
30 Led lighting
36 Fan anti-condensation
39 Solenoide valve
KFM-SF-xx-R

Drain outlet

Electrical board

Refrigeration piping

Electrical wiring
KFM-CG/FG-40/50/60/80/100/120-R
← Front
![graph TD A["①"] --> B["②"] B --> C["③"] C --> D["④"] D --> E["⑤"] E --> F["⑥"] F --> G["⑦"] G --> H["⑧"] H --> I["⑨"] I --> J["⑩"] J --> K["⑪"] K --> L["⑫"] L --> M["⑬"] M --> N["⑭"] N --> O["⑮"] O --> P["⑯"] P --> Q["⑰"] Q --> R["⑱"] R --> S["⑲"] S --> T["⑳"] T --> U["㉑"] U --> V["㉒"] V --> W["㉓"]…](/content/2026/06/1220570/images/3442ca2d05dc28773172ef705efabea372c058f5ced05c043eb7ea815c2755df.jpg)
KFM-SO-xx-S
1 | Compressor
2 Overload
3 | Relay
4 | Start capacitor
5 | Condenser fan
6 | Controller
7 | Temperature probe
8 Earth two pin plug
9 | Terminal block
11 Ground connection
12 Evaporator fan
13 | Compressor relay
20 | Light switch
21 | Pilot light
22 | Switch
29 | Transformer
30 | Led lighting
36 | Fan anti-condensation
31 | Socket
41 Evaporative condensate pan
KFM-SO-xx-R
KFM series intended for deli, meat and fish are type 1 equipment - 75°F/55%RH. Temperature of deli, meat and fish cases is set for 32°F.
The decks have a 31 lb/ft 2 loading limit.
Glass shelves are for non refrigerated products only and have a 5.5 lb/ft 2 loading limit.
| Model | Dimensions (LxDxH in inches) | Service dimensions (LxDxH in inches) | Volume (ft3) |
| KFM-CG/SC-40-S(R) | 401/2'' × 491/8'' × 611/8'' | 401/2'' × 491/8'' × 621/8'' | 6,0/2,5 |
| KFM-CG/SC-50-S(R) | 521/8'' × 491/8'' × 611/8'' | 521/8'' × 491/8'' × 621/8'' | 8,0/3,4 |
| KFM-CG/SC-60-S(R) | 601/8'' × 491/8'' × 611/8'' | 601/8'' × 491/8'' × 621/8'' | 9,3/4,0 |
| KFM-CG/SC-80-S(R) | 771/8'' × 491/8'' × 611/8'' | 771/8'' × 491/8'' × 621/8'' | 12,1/5,1 |
| KFM-CG-100-S(R) | 1011/8'' × 491/8'' × 611/8'' | 1011/8'' × 491/8'' × 621/8'' | 16,0 |
| KFM-CG-120-S(R) | 1161/8'' × 491/8'' × 611/8'' | 1161/8'' × 491/8'' × 621/8'' | 18,6 |
| KFM-FG/SF-40-S(R) | 401/2'' × 441/2'' × 611/8'' | 401/2'' × 441/2'' × 681/8'' | 6,0/2,5 |
| KFM-FG/SF-50-S(R) | 521/8'' × 441/2'' × 611/8'' | 521/8'' × 441/2'' × 681/8'' | 8,0/3,4 |
| KFM-FG/SF-60-S(R) | 601/8'' × 441/2'' × 611/8'' | 601/8'' × 441/2'' × 681/8'' | 9,3/4,0 |
| KFM-FG/SF-80-S(R) | 771/8'' × 441/2'' × 611/8'' | 771/8'' × 441/2'' × 681/8'' | 12,1/5,1 |
| KFM-FG-100-S(R) | 1011/8'' × 441/2'' × 611/8'' | 1011/8'' × 441/2'' × 681/8'' | 16,0 |
| KFM-FG-120-S(R) | 1161/8'' × 441/2'' × 611/8'' | 1161/8'' × 441/2'' × 681/8'' | 18,6 |
| KFM-OF/SO-40-S(R) | 401/2'' × 341/8'' × 611/8'' | 401/2'' × 491/8'' × 611/8'' | 6,0/2,5 |
| KFM-OF/SO-50-S(R) | 521/8'' × 341/8'' × 611/8'' | 521/8'' × 341/8'' × 611/8'' | 8,0/3,4 |
| KFM-OF/SO-60-S(R) | 601/8'' × 341/8'' × 611/8'' | 601/8'' × 341/8'' × 611/8'' | 9,3/4,0 |
| KFM-OF/SO-80-S(R) | 771/8'' × 341/8'' × 611/8'' | 771/8'' × 341/8'' × 611/8'' | 12,1/5,1 |
| KFM-OF-100-S(R) | 1011/8'' × 341/8'' × 611/8'' | 1011/8'' × 341/8'' × 611/8'' | 16,0 |
| KFM-OF-120-S(R) | 1161/8'' × 341/8'' × 611/8'' | 1161/8'' × 341/8'' × 611/8'' | 18,6 |
KFM-CG/FG-100/120-S
![graph TD A["1"] --> B["2"] B --> C["3"] C --> D["4"] D --> E["5"] E --> F["6"] F --> G["7"] G --> H["8"] H --> I["9"] I --> J["10"] J --> K["11"] K --> L["12"] L --> M["13"] M --> N["14"] N --> O["15"] O --> P["16"] P --> Q["17"] Q --> R["18"] R --> S["19"] S --> T["20"] T --> U["21"] U --> V["22"]…](/content/2026/06/1220570/images/6e68af57722dfad3522510a12c96b443eb8371bf89094c9cccfd3dcda172ae2c.jpg)
1 | Compressor
2 Overload
3 Relay
4 | Start capacitor
5 | Condenser fan
6 Controller
7 | Temperature probe
8 Earth two pin plug
9 | Terminal block
11 | Ground connection
12 Evaporator fan
13 | Compressor relay
20 | Light switch
21 | Pilot light
22 | Switch
29 | Transformer
30 Led lighting
36 Fan anti-condensation
31 | Socket
41 Evaporative condensate pan
2 Getting started with your KFM series
2.1 Location
To your new equipment perform well please respect the following warnings:
This is type 1 equipment, intended to work with 75°F / 55% RH .
This equipment is intended for maintaining temperature only.
Be sure products are not ambient temperature (must be cold)
This equipment must be located in an indoor environment.
Check for airdrafts and avoid them.
Air movement from ac units shouldn't be directed to the equipment.
The equipment must not be directly or indirectly exposed to the sun.
Check for rejected heat from another refrigeration units and avoid that.
Place the equipment in a levelled floor.
Do not obstruct the air way in front of the condenser.
Make sure there is a drain preparation (remotes and fish display cases only).
Models to be positioned against a wall keep a safe distance of 2 3/8 .
After servicing always close the doors.
Make sure you have a suitable electrical installation.
This equipment should be handled by a qualified technician.
2.2 Uncrating
All operations must be done carefully.
All plastic protective films must be removed before using the equipment for the first time.

4.3. Electrical diagrams
KFM-CG/FG-40/50/60/80-S
![graph TD A["1"] --> B["2"] B --> C["3"] C --> D["4"] D --> E["5"] E --> F["6"] F --> G["7"] G --> H["8"] H --> I["9"] I --> J["10"] J --> K["11"] K --> L["12"] L --> M["13"] M --> N["14"] N --> O["15"] O --> P["16"] P --> Q["17"] Q --> R["18"] R --> S["19"] S --> T["20"] T --> U["21"] U --> V["22"]…](/content/2026/06/1220570/images/c2074dccb894fa58d9a8101ba73715e8e8d7fcfd5c3ef486524ea587cd411b8a.jpg)
4.2. Electrical service receptacles (optional)

Service receptacles are not intended nor suitable for large motors or other I appliances. Only for scales and lighted displays.

erations must be done with the unit disconnected
Receptacle ampacity
| Type | Max. amps |
| GFCI | 2 |
2.2.1 Front and sides assemblies

1

2

3

4

5

6

115V/60Hz/1 phase
| Model | Compressor F.L.A./L.R.A. | Lights | Fans | Evap pan | Anti condensation system | Total amps (self contained) |
| EVP CND | FANS | |||||
| KFM-SO-60-S | 9,6/49 | 0,30 | 0,45 | 13,68 | ||
| KFM-SO-80-S | 8,9/47 | 0,30 | 0,90 | 13,43 | ||
| KFM-SO-100-S | 16/64 | 0,40 | 0,90 | 20,63 | ||
| KFM-SO-120-S | 16/64 | 0,50 | 0,90 | 20,73 | ||
The data regards to standard options only.
| Model | Total amps (remotes only) | Model | Total amps (remotes only) |
| KFM-CG/FG-40-R | 0,5 | KFM-OF-60-R | 0,3 |
| KFM-CG/FG-50-R | 0,51 | KFM-OF-80-R | 0,3 |
| KFM-CG/FG-60-R | 0,63 | KFM-OF-100-R | 0,4 |
| KFM-CG/FG-80-R | 0,78 | KFM-OF-120-R | 0,5 |
| KFM-CG/FG-100-R | 0,91 | KFM-SO-40-R | 0,2 |
| KFM-CG/FG-120-R | 1,16 | KFM-SO-50-R | 0,2 |
| KFM-SC/SF-40-R | 0,5 | KFM-SO-60-R | 0,3 |
| KFM-SC/SF-50-R | 0,51 | KFM-SO-80-R | 0,3 |
| KFM-SC/SF-60-R | 0,63 | KFM-SO-100-R | 0,4 |
| KFM-SC/SF-80-R | 0,78 | KFM-SO-120-R | 0,5 |
| KFM-SC/SF-100-R | 0,91 | ||
| KFM-SC/SF-120-R | 1,16 | ||
| KFM-OF-40-R | 0,2 | ||
| KFM-OF-50-R | 0,2 |
4 Electrical
4.1. Electrical specifications data

Electrical data can be found on the marking plate.
Standard equipment includes led lighting and anti condensation system.
115V/60Hz/1 phase
| Model | Compressor F.L.A./L.R.A. | Lights | Fans | Evap pan | Anti condensation system | Total amps (self contained) | |
| EVP | CND | FANS | |||||
| KFM-CG/FG-40-S | 8,4/43 | 0,04 | 0,20 | 0,45 | 3,33 | 0,26 | 12,68 |
| KFM-CG/FG-50-S | 9,6/49 | 0,05 | 0,20 | 0,45 | 3,33 | 0,26 | 13,89 |
| KFM-CG/FG-60-S | 9,6/49 | 0,07 | 0,30 | 0,45 | 3,33 | 0,26 | 14,01 |
| KFM-CG/FG-80-S | 8,9/47 | 0,09 | 0,30 | 0,90 | 3,33 | 0,39 | 13,91 |
| KFM-CG/FG-100-S | 16/64 | 0,12 | 0,40 | 0,90 | 3,33 | 0,39 | 21,14 |
| KFM-CG/FG-120-S | 16/64 | 0,14 | 0,50 | 0,90 | 3,33 | 0,52 | 21,39 |
| KFM-SC/SF-40-S | 8,4/43 | 0,04 | 0,20 | 0,45 | 0,26 | 12,68 | |
| KFM-SC/SF-50-S | 9,6/49 | 0,05 | 0,20 | 0,45 | 0,26 | 13,89 | |
| KFM-SC/SF-60-S | 9,6/49 | 0,07 | 0,30 | 0,45 | 0,26 | 14,01 | |
| KFM-SC/SF-80-S | 8,9/47 | 0,09 | 0,30 | 0,90 | 0,39 | 13,91 | |
| KFM-SC/SF-100-S | 16/64 | 0,12 | 0,40 | 0,90 | 0,39 | 21,14 | |
| KFM-SC/SF-120-S | 16/64 | 0,14 | 0,50 | 0,90 | 0,52 | 21,39 | |
| KFM-OF-40-S | 8,4/43 | 0,20 | 0,45 | 3,33 | 12,38 | ||
| KFM-OF-50-S | 9,6/49 | 0,20 | 0,45 | 3,33 | 13,58 | ||
| KFM-OF-60-S | 9,6/49 | 0,30 | 0,45 | 3,33 | 13,68 | ||
| KFM-OF-80-S | 8,9/47 | 0,30 | 0,90 | 3,33 | 13,43 | ||
| KFM-OF-100-S | 16/64 | 0,40 | 0,90 | 3,33 | 20,63 | ||
| KFM-OF-120-S | 16/64 | 0,50 | 0,90 | 3,33 | 20,73 | ||
| KFM-SO-40-S | 8,4/43 | 0,20 | 0,45 | 12,38 | |||
| KFM-SO-50-S | 9,6/49 | 0,20 | 0,45 | 13,58 | |||
The data regards to standard options only.
7

8

2.3 Check for damage
At the end of production HYDRA KOOL products are carefully inspected. No damaged units are sent out.
HYDRA KOOL doesn't take responsibility for damage between factory and client.
Possible damage on the unit must be checked to file a claim near the transportation company.
The unit must be checked in the following points:
Exterior panels
Doors
Shelves
Glasses
Paint job
Door handles
Base structure
Fish pans
2.4 Control panel and main features
The pictures below, shows the main features and all necessary controls.

Remote control panel (KFM-CG/FG/OF/SC/SF/SO)
All self contained KFM series use the following equipment: capillary tube, finned coil ventilated systems (condenser/evaporator), hermetic compressor, electrical water evaporation system.
| Model | Circuit pressure (psig) | Refrigerant and charge (OZ) | Defrost | |
| High side | Low side | |||
| KFM-CG/SC/FG/SF/OF/SO-40-S | 331 | 174 | R 404A 14,10 | Automatic 3/day |
| KFM-CG/SC/FG/SF/OF/SO-50-S | 331 | 174 | R 404A 19,40 | Automatic 3/day |
| KFM-CG/SC/FG/SF/OF/SO-60-S | 331 | 174 | R 404A 19,40 | Automatic 3/day |
| KFM-CG/SC/FG/SF/OF/SO-80-S | 331 | 174 | R 404A 25,39 | Automatic 3/day |
| KFM-CG/SC/FG/SF/OF/SO-100-S | 331 | 174 | R 404A 37,74 | Automatic 3/day |
| KFM-CG/SC/SF/FG/OF/SO-120-S | 331 | 174 | R 404A 42,33 | Automatic 3/day |
3.2 Refrigeration loads (remotes only)
Installation of remote equipment must be done by a qualified technician.
| Model | BTU*/h | Expansion valve type | |
| KFM-CG/SC/FG/SF/OF/SO-40-R | 2548 | TS2 | 00 |
| KFM-CG/SC/FG/SF/OF/SO-50-R | 3015 | TS2 | 00 |
| KFM-CG/SC/FG/SF/OF/SO-60-R | 3159 | TS2 | 00 |
| KFM-CG/SC/FG/SF/OF/SO-80-R | 4345 | TS2 | 00 |
| KFM-CG/SC/FG/SF/OF/SO-100-R | 5112 | TS2 | 00 |
| KFM-CG/SC/FG/SF/OF/SO-120-R | 5472 | TS2 | 00 |
*values presented are indicative for 14°F evap, and 90°F ambient.


Dry control panel (KFM-CG/FG/OF)



2.5 Check serial, model numbers and requested options
Before start your equipment, check the serial number, model numbers and requested options.
This inspection should be made visually in the following items:

Maintain doors closed after servicing.
9 - If any problem encountered, see troubleshooting or call a qualified technician!
3 Refrigeration
3.1 Self contained refrigeration equipment and defrost
The refrigeration equipment it's laid out in the base of the equipment.

6 - Check air movement in the anti condensation system.

7 - Before loading, leave the equipment working for about 2h.
8 - Load your KFM-Series.
Loading must be done respecting loading limits and weight per square foot mentioned in page xx. This equipment is intended for maintaining temperature, be sure the products are cold, and not ambient temperature.
After loading check for any obstruction in the discharge and return air grilles.
Self contained numbers


Remote numbers


2.6 Warning/Caution labels
Before starting, HYDRA KOOL products have caution and warning labels to be respected.
Self contained labels

Remote labels

Dry labels

2.10 Plugging and start
To start your equipment follow the steps:
1 - Check for page with parameters inside the manual.
2 - After uncrating and placed the equipment respecting all warnings set in 2.1 chapter, and all switches are set to off position, connect the equipment.
Make sure you have the correct outlet!

Nema-5-15P Nema-5-20P

3 - Check lights, using button referenced on chapter 2.4. If not working consult the maintenance chapter.
4 - Turn ON power button referenced in 2.4 chapter.
Noise will be heard when compressor starts! If compressor doesn't start, call a technician!
5 - Open the door and check for air movement in the discharge air grille.


Self contained labels

Remote labels

Dry labels

Self contained, Remote, Dry and Seafood labels (evaporator)

Label 1 Label 2
CAUTION
MOVING PARTS. DO NOT OPERATE UNIT WITH (PART) REMOVED
Label 3 Label 4
-NOTE- THIS A TYPE 1 CASE AND IS DESIGNED TO OPERATE AT THE FOLLOWING STORE CONDITIONS THAT DOES NOT EXCEED 75 F AND 55% R.H.
Label 5 Label 6
-NOTE-
THIS EQUIPMENT IS INTENDED FOR THE STORAGE AND DISPLAY OF PACKAGED FOOD PRODUCTS ONLY
ATTENTION
PIÈCES MOBILES. NE FAIRE PAS FONCTIONNER AVEC DES PIÈCES ENLEVER
-NOTE-
CETTE VITRINE TYPE 1 EST CONÇUE POUR FONCTIONNER SELON LES CONDITIONS DU MAGASIN ET NE DOIT DÉPASSER 75 F AND 55% R.H.
-NOTE-
CET EQUIPEMENT EST PREVU UNIQUEMENT POUR LE STOCKAGE ET EXPOSITION DE PRODUITS ALIMENTAIRES EMBALLER




1x - DIN7380 M5x50


1x - DIN7380 M5x10


1x - DIN912 M4x12

HOT PARTS. DO NOT OPERATE UNIT WITH (PART) REMOVED
Label 13 Label 14
CAUTION
HAZARDOUS MOVING PARTS. DO NOT OPERATE UNIT WITH DECK PANS
ATTENTION
DEBRANCHER TOUTE COURANT. IL PEUT AVOIR PLUS D'UN INTERRUPTEUR
ATTENTION
RISQUE DE CHOC ELECTRIQUE. AVANT TOUT TRAVAIL COUPER LE COURANT
ATTENTION
PIÈCES BRULANTES. NE FAIRE PAS FONCTIONNER AVEC LES PIÈCES ENLEVER
ATTENTION
PIÈCES MOBILES DANGEREUSES. NE FAIRE PAS FONCTIONNER AVEC DES PIÈCES ENLEVER
Label 15
Warning
- This appliance requires a properly grounded dedicated circuit using a NEMA rated wall receptacle do not remove the grounding prong on the plug or the risk of an injury due to shock from the ungrounded electrical service may occur.
- This product can expose an individual to chemicals that have been identified by the state of California to possibly be dangerous leading to various diseases birth defects or other human reproductive system harm. For more information go to www.p65wamings.ca.gov.
2.7 Check your electrical installation

This equipment is intended to be connected to an outlet with 115V/60Hz/1 phase.

Nema-5-15P

Nema-5-20P
2.8 Electrical, drain and refrigeration connections (remotes only)

ation and service must be performed by a qualified technician.

Prepare a drain installation
All electrical connections must be done from the electrical board Equipments for remote installation come with nitrogen under pressure and an easy prep kit (tubing connections needed only) for installation.




2X - FIT00000427 (91%")

2.9 Joining
For joining follow the steps described.


3x - PAR00601013 DIN933 M6x80

4x - PAR00801102 DIN912 8.8

2x - PAR00601007 DIN933 M6x20

4x - ANL00101006 DIN 127-B

14x- ANL00501006 DIN9021 M6

2x - BRA09M02000 VA 71

5x - PRC00101006 DIN934 M6

2X FIT00000202 A100 04 (153%)

2x KFM-CG

KIT0005U02000