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COND-09-01 COND-12-01 COND-18-01 COND-24-01 Manufactured by : Dettson Industries Inc. 3400, Industrial Boulevard Sherbrooke (Quebec) Canada J1L 1V8 www.dettson.ca/ INSTALLER / SERVICE TECHNICIAN: Use the information in this manual for the installation / servicing and keep the document near the furnace for future reference.
QUICK SETUP Simple startup using communicating thermostat Turn off the breaker of the outdoor unit and the furnace Connect COND1 and COND2 on the interface board to N(1) and 2 at the outdoor unit (See Figure 13 to Figure 15) Connect the RJ-11 wire between the interface and the furnace control board (See Figure 13 to Figure 15) Turn the outdoor unit “ON”...
Have all wiring connected tightly. Loose connection may lead to 1- SAFETY PRECAUTIONS ⇒ overheating and a possible fire hazard. Installing, starting up, and servicing air conditioner can be hazardous due All installation or repair work shall be performed by your dealer or a to system pressure, electrical components, and equipment location, etc.
1.5- CAPACITY VARIATION RATIO ACCORDING TO TEMPERATURE Figure 4: 9/12K Capacity ratio vs outdoor temperature Figure 5: 18/24K Capacity ratio vs outdoor temperature...
3- REGRIGERANT SYSTEM DIAGRAM Figure 12: refrigerant system diagram Properly insulate ALL refrigerant tubing from outdoor units to the interior cooling coil to prevent water dripping. 4- SCHEMATIC DIAGRAMS 4.1- ELECTRICAL DIAGRAMS Figure 13: 9/12K Electrical diagram...
5.1- THERMOSTAT 5.3.1- 09/12K Unit 5.1.1- Communicating thermostat (R02P030) The unit must be used with the Dettson communicating thermostat 5.3.1.1 Temperature Parameters (R02P030) in order to work as a fully modulating unit. In this case, the Indoor thermostat temperature ( •...
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(2) When Overload protection , the unit will keep its previous : measured temperature of outdoor heat exchanger under cooling operation status. mode; and measured temperature of indoor heat exchanger under (3) When heating mode. (1) Cooling overload compressor will stop operation and in 30s later, the outdoor the unit will return to its fan will stop operation;...
Blow residual heat Conditions for turning off: it will be turned off when meeting any condition below: In heating mode, when temperature reaches the set temperature, the • Compressor is operating compressor and outdoor fan will stop. When the unit is in heating mode, and the compressor and indoor fan •...
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5.3.2.6 Control of outdoor fan only be resumed by turning the thermostat to OFF or cooling mode. During operation, if operation time of compressor is (1) When turn off the unit by thermostat, stop operation because over, the times of stop operation because of overload of protection or stop operation after reaching the temperature protection will be cleared.
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and compressor has (3) If the unit stops operation because of overload protection for compressor for 3 times successively, it cannot resume stopped for 3minm the complete unit will resume operation. operation automatically, it can only be resumed by turning (3) If the unit is stopped because of overheating of compressor thermostat to OFF setting.
Select a dry place, and do not expose the unit to direct sunlight 6- INSTALLATION MANUAL nor strong wind; Make sure that the outdoor unit is installed in accordance with 6.1- NOTICES FOR INSTALLATION the installation instructions, and is convenient for maintenance and repair;...
6.6- INSTALLATION DRAWING Figure 19: Installation schematic and clearances 20 in 50 cm Side 12 in 30cm Air inlet side 12 in 30 cm Air outlet side 24 in 61 cm Side 20 in 50 cm 6.7- INSTALLATION OF INDOOR COOLING COIL In downflow and counter flow configurations, aluminum foil tape must be applied to seal the top edge of the insulation to the cabinet.
Replace the top plate, and apply sealant to seal any air gaps. Installation of the interface card is made easy on the Dettson’s Chinook Before re-inserting the coil assembly, cut the front flange on and Supreme furnaces.
Figure 26: Supreme electric furnace See electrical diagrams, Figure 13, Figure 14 and Figure 15 for proper connections with thermostat, furnace and outdoor unit. For all other brand of furnaces, see Figure 27 for proper connections. Note that the performance of the outdoor unit will be affected and will not modulate.
Figure 28: Tubing tightening 6.10- INSTALLATION OF OUTDOOR UNIT 6.10.1- Electrical wiring 6.10.3- Outdoor unit condensate drainage Remove the handle on the right side plate of outdoor unit; During heating operation, the condensate and defrosting water should Take off wire cord anchorage. Connect and fix power be drained out reliably through the drain hose.
7.1- PRECAUTIONS BEFORE PERFORMING INSPECTION OR REPAIR Be cautious during installation and maintenance. Follow the codes and regulations to avoid electric shock and casualty or even death. Static maintenance is the maintenance during de-energization of the heat pump. For static maintenance, make sure that the unit is de-energized. Dynamic maintenance is the maintenance during energization of the unit.
7.3- MALFUNCTION & STATUS CODES OF THE INTERFACE CARD FLASHING LEDS Locate the various colored leds on the interface card on the figure below: Figure 29: Interface card Table 4: Malfunction and status display of interface card Blinking Cause (If abnormal) Solution COLOR Green...
7.4- MALFUNCTION & STATUS CODES OF THE OUTDDOR UNIT FLASHING LEDS Table 5: Malfunction and status display of outdoor unit 9/12K > > > > > W& & & & & & & WZKD & Remark: the lamps blink 0.5 sec on, 0.5 off. Between 2 error cycles it will be 2sec off interval.
Table 6: Malfunction and status display of outdoor unit 18/24K Display method Outdoor Unit (indicator has 3 kinds of display status and they will be displayed circularly every Malfunction’s 5 s.) A/C Status Possible Causes name = OFF ■ = Illuminated = Blink (D40) (D41)
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Display method Outdoor Unit (indicator has 3 kinds of display status and they will be displayed circularly every Malfunction’s 5 s.) A/C Status Possible Causes name = OFF ■ = Illuminated = Blink (D40) (D41) (D42) (D43) 1- Outdoor temperature sensor has not been connected well Outdoor or is damaged.
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Display method Outdoor Unit (indicator has 3 kinds of display status and they will be displayed circularly every Malfunction’s 5 s.) A/C Status Possible Causes name = OFF ■ = Illuminated = Blink (D40) (D41) (D42) (D43) Refer to the malfunction analysis System is During operation, the complete (overload, high temperature...
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Display method Outdoor Unit (indicator has 3 kinds of display status and they will be displayed circularly every Malfunction’s 5 s.) A/C Status Possible Causes name = OFF ■ = Illuminated = Blink (D40) (D41) (D42) (D43) dropping for DC bus-bar 1- Measure the voltage of position L and N on wiring...
7.5.2- Capacity charging malfunction (outdoor unit malfunction) (AP1 BELOW IS THE CONTROL BOARD OF OUTDOOR UNIT) USUAL SYMPTOMS: Check if the voltage of L and N terminal of wiring board is between 210AC-250AC using multimeter. Is the inductor (L) well connected? Is the connection wire loosened or pull-out? Is the inductor (L) damaged?
USUAL SYMPTOMS Are the control board AP1 and the compressor COMP well connected? Are they loosened? Is the connection sequence correct? Is the voltage input in the normal range (test the voltage between L, N of wiring board XT by DC voltage meter)? Is the coil resistance of compressor normal? Is the compressor coil insulating to copper pipe correctly? Is the work load of unit too high? Is the heat of the unit well dissipated? Is the refrigerant charged appropriately?
USUAL SYMPTOMS Is the outdoor ambient temperature in a normal range? Is the indoor and outdoor fans are running normal? How is the radiating environment of the indoor and outdoor unit? 7.5.4- Anti-high temperature, overload protection (AP1 BELOW IS THE CONTROL BOARD OF OUTDOOR UNIT)
USUAL SYMPTOMS Is the compressor wiring correct? Is the stop time of the compressor enough? Is the compressor damaged? Is the refrigerant charged too much? 7.5.5- Failure start up malfunction (AP1 BELOW IS THE CONTROL BOARD OF OUTDOOR UNIT)
USUAL SYMPTOMS: Is the system pressure over-high? Is the supply voltage under-low 7.5.6- Compressor synchronism (AP1 BELOW IS THE CONTROL BOARD OF OUTDOOR UNIT)
USUAL SYMPTOMS Is the electronic expansion valve connected correctly? Is the expansion valve damaged? Is the refrigerant leaking? Is the overload protector damaged? 7.5.7- Overload and discharge malfunction (AP1 BELOW IS THE CONTROL BOARD OF OUTDOOR UNIT)
7.5.8- PFC (correction for power factor) malfunction (AP1 BELOW IS THE CONTROL BOARD OF OUTDOOR UNIT) Check if the inductor (L) of outdoor unit and PFC capacity are damaged.
USUAL SYMPTOMS Check if the connection wire and the built-in wiring of the indoor and the outdoor are connected correctly and not damaged. Is the communication circuit of the indoor mainboard is damaged? Is the communication circuit of the outdoor mainboard (AP1) damaged? 7.5.9- Communication malfunction (AP1 BELOW IS THE CONTROL BOARD OF OUTDOOR UNIT)
8- REMOVAL PROCEDURE OF OUTDOOR UNIT WARNING Be sure to wait for a minimum of 10 minutes after turning off all power supplier before disassembly NOTE: Electric heater band is not shown below. Models: COND-09-01 ET COND-12-01...
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WARNING Be sure to wait for a minimum of 10 minutes after turning off all power supplier before disassembly Models: COND-18-01...
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WARNING Be sure to wait for a minimum of 10 minutes after turning off all power supplier before disassembly Models: COND-24-01...
E) Installation by a qualified person: The product Dettson Industries inc. shall not be liable for any default or delay must be installed by a qualified fitter in accordance with Dettson in execution of this warranty caused by any contingency beyond Industries inc.’s installation instructions, applicable local and...
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