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These systems have no manual speed selection capability. The thermostat wires must be connected 
directly to terminals C and T on the controller. 
 

 

W35F and W50F 

The thermostat wires must be connected with one wire to the “T” terminal on the Speed Board (or 

 

Merlin II 

if installed), and the other to the vacant terminal of the high temperature cut-out mounted on the 

condensing coil. There is a factory installed white wire connecting the “C” terminal to the other 
terminal on the high temperature cut-out. 
 

 

       Evaporator type 

Compressor speed, refer  Compressor speed, freezer 

 

80F 

                   2000 

                ------------- 

 

130H / 130F 

                   2500 

                   3000 

 

160H / 160F / 180F-SS 

                   2500 

                   3500 

 

200H / 200B / 200F/ 250B 

                   3000 

                   3500 

 

340B/ 380F-SS 

                   3500 

                   3500 

 
 
10:6  Connections, Fan

 

The wires from the fan on air cooled condensing units will be factory installed on the terminals marked 
“F” (Black or Blue), and “+” (Red). If the wires are reversed the fan will not run. The K50F and W50F 
models have a small oil cooler fan installed. Full instructions are included with the W35F and W50F. 

 
10:7  Connections, Pump

 

The W35F and W50F model use a 12v pump that must be connected through a relay (PN E251002) 
that is activated from the fan terminals on the controller. This relay is supplied with W35F and W50F 
compressors. 
 
See separate instructions for wiring multiple W35 or W50 systems to one pump. 
 
It is important to note that the output voltage at the fan terminals will be 12v even if the power supply 
to the controller is 24v, so a relay with a 12v coil must always be used. 
 
The W35F and W50F have temperature sensors on the water-cooled heat exchanger that is connected 
in series with the thermostat and will stop the system if the cooling water flow is insufficient. Full 
wiring instructions are included with the system. 

Summary of Contents for Frigoboat Capri 35F

Page 1: ...s Air Cooled Pumped Water Cooled Keel Cooled and Keel plus Air Cooled Systems using Secop formally Danfoss BD 35 or BD 50 compressors It is important to read this manual thoroughly before installing a...

Page 2: ...it or an Air Add On air cooled condenser is installed together with a Keel Cooler ensure that the fan is operated only when the boat is out of the water and then switched off when the boat is launched...

Page 3: ...Capri 35F Capri 50F Air cooled These units are designed to be mounted with compressor right way up on a horizontal surface in areas where they will not be susceptible to physical or water damage but...

Page 4: ...ll deliver 12v even if the system is connected to a 24v supply Full wiring instructions are included with the compressor If more than one W35 or W50 is sharing a single water pump they must be plumbed...

Page 5: ...ion of the transom that is below the waterline when at rest Keep the two tubes from the Keel Cooler separate from each other and do not insulate them It is extremely important to orientate the cylindr...

Page 6: ...control running at 2000 RPM All others must have either a manually adjustable compressor speed controller like a Speed Board or alternatively an automatic smart speed control such as the Merlin II Sma...

Page 7: ...to the controller there may be a delay of up to 30 seconds before the compressor starts Note 2 If initial power is applied that is above the low voltage threshold but below the cut in voltage value se...

Page 8: ...els in the evaporator Never attempt to bend a plate downwards over a pipe as damage may result The area to be bent should be warmed with a hair dryer or heat gun to approximately 200 F before bending...

Page 9: ...lastic plate on the evaporator so that it lays in the special grooves of the plastic plate Finish by tightening the clamping screw If using the Coastal MK3 digital thermostat the sensor mounts on the...

Page 10: ...refully coiled up and secured out of the way to avoid damage When securing the sensing tube make sure contact is made only with the evaporator at the point where it is attached under the plastic mount...

Page 11: ...top of the barrier 1 should be sufficient or 3 or more holes of the same size as the one behind the spillover fan All other holes gaps etc in the barrier must be completely sealed including drains 8...

Page 12: ...talled until the very last moment when you are ready to connect the system together Once the dust caps have been removed it is imperative that the exposed components and surfaces be kept free of dust...

Page 13: ...tion Use either a breaker or fast blow fuse with 15 amp rating for a 12v supply or 7 5 amp for 24v 10 4 Connections Power Connect the power supply to the controller on the top two terminals using slip...

Page 14: ...factory installed on the terminals marked F Black or Blue and Red If the wires are reversed the fan will not run The K50F and W50F models have a small oil cooler fan installed Full instructions are i...

Page 15: ...oller or compressor to be faulty Controller can be removed by unscrewing the retaining screw or by levering the plastic case over the screw head 11 1 Compressor not running no start attempt Probable c...

Page 16: ...ty or inadequate power supply Most likely Monitor the supply voltage at the power terminals on the controller before during and after start attempts to ensure that it does not fall below threshold lev...

Page 17: ...ng in others the system may be low on refrigerant or overcharged Call Veco NA for advice or go to www veco na com Technical Information 7 Drain left unplugged If your icebox is equipped with a drain i...

Page 18: ...lation 11 5 Excessive frost build up Note This is the result of moist air being allowed to enter the box Problems are compounded when cold dense air leaks from the lower area of the box through an ope...

Page 19: ...cation Acts of God or service by personnel other than those pre authorized by the Company Damage failure or malfunction resulting from inadequate or faulty power supply to the system or improper fault...

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