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WARNING 

Risk of fire. 

The conductor sizing must conform to the last edition  of the 
local or national codes. 

Failure to  follow this  rule can result in  death, bodily  injury 
and/or property damage. 

Power supply to the unit can be done using copper or aluminum 
wires. The wire size must be decided in accordance to the unit 
power  consumption,  the  over  current  protection  type  and 
capacity, the wire type and length, and the environment where 
the  unit  is  installed.  If  an  aluminum  wire  is  used,  other 
precautions  must  be  taken  to  insure  the  conformity  of  the 
installation. In all cases, all the factors affecting the wire gauge 
must be considered and the installation codes followed. 
 
The exterior of the unit must have an uninterrupted ground to 
minimize the risk of bodily harm.  A  ground terminal is supplied 
with the control box for that purpose. A connector is supplied on 
the ground terminal to ground an added accessory. 
 
In the event that wires inside the unit require replacement, these 
must be copper wires only with same  temperature rating and 
sizes as originals. 
 
The models of 27 kW and more are pre-wired in factory with two 
terminal blocks allowing the usage of two smaller gauge wires. 

2.4.1-  Conversion from two to one supply  wires for 
model over 27 kW  

 

WARNING 

Risk of fire. 

When using  one terminal block on models over 27 kW,  the 
installation  must  be  performed with  copper  wire ONLY  in 
order  to  comply  with  the  Canadian  electrical  code.  The 
usage  of  an  aluminum  or  copper  wire  is  acceptable  on 
models 25 kW and lower. 

 
Move  all  wires  from the  two  pole terminal to  the  three  pole 
terminal following the corresponding colors as shown in  Figure 
4.
 
 

The breaker and the supply conductors must be sized by adding 
the ampacities of the two terminals indicated on the nameplate. 
Refer to the electrical diagram  (Figure 16). 

Figure 4 : Conversion from two to one supply  wires 

Before   

 

 

After 

 

2.5-  INSTALLATION  OF THE THERMOSTAT 

A thermostat must be installed to control the temperature of the 
area to  be  heated.   Follow the  instructions supplied with  the 
thermostat. Some thermostats need to connect the C terminal 
on  the  furnace and  thermostat.  Install  the  thermostat  on  an 
interior wall in a  location where it  will not  be subject to  direct 
sunlight, lamps, air diffusers, fireplaces, etc. Seal openings in 
walls to avoid air currents that may influence the operation of the 
thermostat. Also refer to the wiring diagrams provided with the 
heating/air conditioning unit. The connections must be made as 
indicated on Figure 5 to Figure 9. Refer to the electrical diagram 
(Figure 16). 

Figure 5: 1-stage thermostat, electric heating only 

 

Figure 6: 2-stage thermostat, electric heating only 

 

Figure 7: 1-stage thermostat, electric heat and cooling 

application 

 

 

Summary of Contents for OFEA 000-1HVV Series

Page 1: ...l a qualified service technician INSTALLER SERVICE TECHNICIAN USE THE INFORMATION IN THIS MANUAL FOR THE INSTALLATION AND SERVICING OF THE FURNACE AND KEEP THE DOCUMENTNEAR THE UNIT FOR FUTURE REFERENCE HOMEOWNER PLEASE KEEP THIS MANUAL NEAR THE FURNACE FOR FUTURE REFERENCE Manufactured by Industries Dettson inc Sherbrooke Québec Canada www dettson ca www ouellet com 1 800 463 7043 ...

Page 2: ... stage 9 3 3 4 Cooling mode dehumidification 9 3 3 5 Electric heating mode 1 stage 9 3 3 6 Electric heating mode 2 stage 9 3 3 7 Heat pump heating mode single stage 9 3 3 8 Heat pump heating mode two stage 9 3 4 AIRFLOW VERIFICATION 10 3 4 1 Supply Air Temperature Rise Test 10 3 4 2 High limit verification 10 4 MAINTENANCE 10 4 1 AIR FILTER 10 4 2 MOTOR LUBRICATION 10 5 FURNACE INFORMATION 11 TABL...

Page 3: ...d explain to you the following items i The main disconnect switchor circuit breaker ii The air filter and how to change it check monthly and clean or replace if necessary f Before calling for service be sure to have the information of section 5 of your manual close by in order to be able to provide the contractor with the required information such as the model and serial numbers of the furnace IMP...

Page 4: ... 3 CONFIGURATIONS This furnace requires suitable ductwork 2 3 1 Upflow installation The return duct may be installed to the back to the bottom on the leftside or on the rightside of the unit The supply ductshall be installed on the top of the unit Care should be taken not to damage the wires inside while cutting the opening It is also recommended to install the blower door before handling or movin...

Page 5: ...G Risk of fire When using one terminal block on models over 27 kW the installation must be performed with copper wire ONLY in order to comply with the Canadian electrical code The usage of an aluminum or copper wire is acceptable on models 25 kW and lower Move all wires from the two pole terminal to the three pole terminal following the corresponding colors as shown in Figure 4 The breaker and the...

Page 6: ...r plenum b Cover the vertical sections of the supply and return air duct with soundproofing material c Use baffles in shortradius elbows d Use flexible hangers to suspend the ducts A heat pump or an air conditioner can be added to this furnace in either the supply or return air duct Carefully follow the instructions provided with these appliances to ensure proper installation and hook up to the el...

Page 7: ...es are provided to customize and enhance system operation Refer to Figure 10 and Figure 16 Selection options are 1 0 90 No ON delay and 90 second OFF delay at 100 airflow factory setting 2 30 90 30 second ON delay with no airflow and 90 second OFF delay at100 airflowprofile Used whenitis desirable to allow system coils time to heat up cool down in conjunction with the airflow 3 0 0 No delay option...

Page 8: ...its contacts When the contact closes again the airflows comes back to 100 of the cooling airflow selected 2 7 4 Use of a heat pump When using a heat pump a thermostat with dual fuel option or a fossil fuel kit is required that prevents the operation of the electric elements and the heat pump atthe same time Refer to the instructions provided with the thermostator the Fossil Fuel kit for the proper...

Page 9: ...nd humidistatopens circuit R to DH The furnace delivers airflow which is approximately 80 of the nominal coolingairflow to increase the latentcapacity of the system 3 3 5 Electric heating mode 1 stage Thermostatcloses circuit R to W1 or W2 Furnace delivers the selected electric heat airflow and maximum heating capacity is powered starting the heating elements in sequence with a delay of 3 seconds ...

Page 10: ...er need to engage during the normal functioning of the appliance They are strictly designed to engage during the improper functioning of the blower or when the filter was improperly maintained 3 4 2 High limit verification After operating the furnace for at least 15 minutes restrict the return air supply by blocking the filters or the return air register and allow the furnace to shut off on High L...

Page 11: ...e technician nameand address START UP RESULTS Voltage Total currentconsumed by the elements Supply air temperature Return air temperature Supply air ductstatic pressure Return air ductstatic pressure Total pressure Calculated air flow Currentconsumed by the blower motor Currentconsumed by the accessories ...

Page 12: ...ON Fan ON after delays at selected Cooling CFM OFF Compressor OFF Fan OFF after selected cooling delays ON Compressor ON Fan ON after delays at 80 of the selected Cooling CFM OFF Compressor OFF Fan OFF after selected cooling delays ON Compressor ON Fan ON after delays at 80 of the selected Heat Pump CFM OFF Compressor OFF Fan OFF after selected Heat Pump delays ON Compressor ON Fan ON after delays...

Page 13: ...5 2 6 0 5 2 6 0 5 2 6 0 Heating Elements Consumption 240V 208V Amp 41 4 35 9 62 1 53 8 75 8 65 7 82 8 71 8 96 5 83 6 103 5 89 7 113 6 98 5 124 3 107 7 Total Consumption 240V 208V Amp 43 7 38 6 64 4 56 5 78 1 68 4 85 1 74 5 101 7 89 6 108 7 95 7 118 8 104 5 129 5 113 7 Ampacity Terminal block 1 240V 208V 54 0 47 8 78 6 69 2 94 7 83 2 103 2 90 5 122 7 108 3 131 1 115 6 53 1 48 0 57 3 51 7 Ampacity T...

Page 14: ...1 and or W2 25 25 715 1359 23 20 23 620 1178 23 20 20 620 1178 18 15 18 450 855 18 15 15 450 855 10 10 238 452 ON OFF DELAY Adjustment WHITE wire position ON Delay Time OFF Delay CFM Time 0 90 0 sec 100 90 sec 30 90 30 sec 100 90 sec 0 0 0 sec 0 sec ENH 30 sec 70 150 sec No adjustment required ON Delay Time OFF Delay CFM Time 0 sec 50 60 sec Remove the Jumper J2 when a 2 stages thermostat is used ...

Page 15: ...7 30 715 1424 30 27 27 715 1424 25 25 675 1345 23 23 620 1235 20 20 477 950 ON OFF DELAY Adjustment WHITE wire position ON Delay Time OFF Delay CFM Time 0 90 0 sec 100 90 sec 30 90 30 sec 100 90 sec 0 0 0 sec 0 sec ENH 30 sec 70 150 sec No adjustment required ON Delay Time OFF Delay CFM Time 0 sec 50 60 sec ON OFF DELAY FOR COOLING AND HEAT PUMP HEATING MODE DELAY PROFILE FOR ELECTRIC HEATING MODE...

Page 16: ...16 Figure 15 Furnace dimensions ...

Page 17: ...17 Figure 16 Electrical diagram UNIQUE Advantage ECM ...

Page 18: ...18 Figure 17 Parts list UNIQUE Advantage ECM ...

Page 19: ... OFE 18 20kw 26 OFE B04284 Electrical sequencer kit OFE 15kw 27 OFE B04280 Electrical sequencer kit OFE 10kw 28 OFE B04275 Plastic top door 29 OFE X50053 Label logo Ouellet 30 OFE B04349 Bottom door assembly 31 OFE B04357 01 Blower assembly OFE 10 20kw 1 2hp ECM 32 OFE B04357 02 Blower assembly OFE 23 30kw 1hp ECM 33 OFE Z01I036 Blower 112 9R OFE 23 30kw 1hp ECM 34 OFE Z01I035 Blower 112 8R OFE 10...

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