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Winchester,

 

OH

 

76106

                        

61MH0028A

                                

Page

 

5

 

Provisions shall be made to permit the air in the rooms and the 
living spaces to return to the furnace. Failure to comply may 
cause a reduction in the amount of return air available to the 
blower, causing reduced air flow resulting in improper heating 
of the living space. The reduced air flow may cause the 
furnace to cycle on the limit causing premature heating 
element failure. 
 

 

Figure 4: Typical Alcove Installations 

 

 

Figure 5: Clearance – Access for Service 
 

Air Distribution System 

The furnace is designed to operate at a 0.30 inch WC static 
pressure. In order to assure proper air flow through the furnace 
the duct distribution system must be designed so that the 
external static pressure from the furnace, thru the duct system 
must not exceed 0.30 inch WC. It is recommended you review 
the manual 

“Manufactured Housing Duct Systems Guide to 

Best Practices”

 by Manufactured Housing Research Alliance 

(MHI-MHRA)

 before selecting the air distribution system 

you are going to use.  

SECTION IV: SUPPLY AIR AND DUCT 
CONNECTOR INSTALLATION 

Duct Connectors 
90-DCU0-XX Duct Connectors 

The duct connector is used to provide a sealed connection 
between the furnace base and a under the floor duct system. 
The duct connector allows the furnace to be installed on a 
combustible floor without the use of a separate sub base 
providing insulation is placed between the duct connector and 
the combustible floor. Table 5 indicates the duct connector 
needed for your application. 

DEPTH FROM FLOOR 
TO DUCT

DUCT CONNECTOR 
NODEL NUMBER

1"

90-DCUO-01

2"

90-DCUO-01

3"

90-DCUO-01

4"

90-DCUO-01

5"

90-DCUO-02

6"

90-DCUO-02

7"

90-DCUO-02

8"

90-DCUO-02

9"

90-DCUO-03

10"

90-DCUO-03

11"

90-DCUO-03

12"

90-DCUO-03

 

Table 5: Duct Connectors 

 

 

Figure 6: Duct Connector Depths 

 

 

 
 
 
 
 
 
 
 
 
 
 
 
 

Duct connector can be installed on combustible flooring, 

except carpeting

. It is recommended to use insulation 

having a rating of R-12 or higher is used between the floor 
base and the combustible floor. 
The use of insulation with a rating of R-12 or higher 
between the floor base and a combustible floor is a 
precautionary measure to prevent the combustible floor 
from getting to warm. The use of R-12 insulation between 
the duct connector and the floor is not a requirement. 

Содержание WE30 Series

Страница 1: ...er Location 11 29 Wiring Diagram 20 kW w C T Blower Motor 22 15 Control Box Power Low Voltage Wire Locations 13 LIST OF TABLES 1 Electric Furnace Model Specifications 2 8 Electrical Data 10 2 Model No...

Страница 2: ...Single Stage Heating 30 Table 2 Furnace Model Nomenclature Coil Cabinet Model Front Door of Cabinet Open Top 17 3 4 x 21 3 4 Maximum Air Flow CFM 1 Pleated Air Filter In The Door 2 Pleated Air Filter...

Страница 3: ...ce heating cooling equipment Untrained service personnel can perform basic maintenance functions such as cleaning of exterior surfaces and replacing the air filters Observe all precautions in the manu...

Страница 4: ...y a closet or alcove must have a certain total free area opening for the return air For A C and HP Furnaces 1 3 HP Blower Minimum 200 in free area opening Use Return Grille or Coil Cabinet For A C and...

Страница 5: ...to use SECTION IV SUPPLY AIR AND DUCT CONNECTOR INSTALLATION Duct Connectors 90 DCU0 XX Duct Connectors The duct connector is used to provide a sealed connection between the furnace base and a under...

Страница 6: ...the insulation around the perimeter of the duct connector opening 5 Install the floor base over the floor opening with the flanges on the 11 x 13 inch opening facing down Refer to Figures 8 and 9 6 Lo...

Страница 7: ...to the floor by drilling two holes through the furnace base and the floor base at the right and left front inside corners of the cabinet Use two screws to secure the furnace to the floor Figure 10 Re...

Страница 8: ...e coil cabinet 11 Place the cooling cabinet front door on the unit by inserting the tabs in the bottom of the door into the slots in the coil shelf line up the strike in the front flange of the top co...

Страница 9: ...Electrical Code Part I CSA C22 1 and local codes for additional requirements concerning supply circuit wiring Electrical data can be found in Tables 6 7 and 8 IMPORTANT All installation on field wiri...

Страница 10: ...er supply will require circuit breaker jumper bar or a jumper wire Refer to the National Electrical Code Table 250 95 for Non Sheathed Conductor Ground Wire Ground conductor must be the same size and...

Страница 11: ...le codes Figure 14 Control Box Cover and Circuit Breaker Location Dual Element Box For personal safety be sure to turn the electrical power OFF at the main circuit panel Home Circuit Breaker Box and a...

Страница 12: ...cated on the blower housing 6 Follow the instructions in the USERS INFORMATION MANUAL to properly start up the air handler POWER SUPPLY CONNECTIONS If the air handler has been installed prior to insta...

Страница 13: ...Installation The thermostat heat anticipator must be set at 0 7 Amps if the thermostat has a manual heat anticipator adjustment This setting should be checked at the time of installation The thermost...

Страница 14: ...R Figure 16 Separate Thermostats Separate Air handler and Cooling Unit G R W R G Y Heating Thermostat Cooling Thermostat C Y R G W C COM HEAT COOL Thermostat Interlock Switch Air Handler 24 VAC Transf...

Страница 15: ...8 strain relief in the control box and place the thermostat wire cable next to the low voltage terminal block 6 Connect the Red 24 VAC supply thermostat wire to the red pigtail wire and secure the two...

Страница 16: ...peratureSwitch W2 J u m p e r Figure 22 Typical Heat Pump 2 Stage Heating Cooling Connections SECTION X MOTOR BLOWER AND FURNACE START UP Selecting the Constant Torque Blower Speed This furnace uses t...

Страница 17: ...s to the furnace at the main circuit panel House Circuit Breaker 14 Set the thermostat to the desired temperature Figure 24 Blower Assembly and Blower Deck SECTION XI FINAL SYSTEM CHECKOUT 1 Refer to...

Страница 18: ...BLK W H T G R N Y E L L2 B L K WHT B LU B L K BM G R N GGS Y E L C L A S S 2 CLASS 2 CC COMPRESSOR CONTACTOR RVS REVERSING VALVE SOLENOID LEGEND TB TERMINAL BLOCK BMFP 6 PIN MOLEX BLOWER MOTOR PLUG A...

Страница 19: ...L1 HC1 T2 L2 G R N GGS C L A S S 2 WHT W H T WHT CLASS 2 CC COMPRESSOR CONTACTOR RVS REVERSING VALVE SOLENOID LEGEND TR TRANSFORMER BMFP 6 PIN MOLEX BLOWER MOTOR PLUG ASSEMBLY GND GROUND CONNECTION B...

Страница 20: ...N B R N BRN BLK WHT BLK BLK THERMOSTAT W2 BLK BLK BLK BLK B L K B L K B R N BRN B R N BRN B R N HPM 7 RED ST1 8 BLK L1 9 BLU ST4 Y E L L 2 G R N G N D P R P S T 3 B L K S T 5 B R N 2 4 V C O M BRN G N...

Страница 21: ...40 VAC 24 VAC BLK 1 BLK SUPPLY WIRING XMC0 402EBBC Contactor L1 T1 L2 T2 HC1 BLU BLU L1 GND G BLK WHT G R N R E D HC1 HTR1 BLK BLU RED RED T1 C B L1 C irc u it 1 L2 C B C irc u it 1 B L K HC1 T2 L2 1...

Страница 22: ...BRN BLU GND BLU PRR ST3 ORN ST2 B R N 2 4 V C O M B L U S T 4 O R N S T 2 P R P S T 3 B L U O R N P U R B L U B L U W H T W B R N BLU B L U B L K B L K R E D R E D FOR A TWO STAGE HEATING THERMOSTAT R...

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